diff options
Diffstat (limited to 'third_party/git/ref-filter.c')
| -rw-r--r-- | third_party/git/ref-filter.c | 2503 |
1 files changed, 0 insertions, 2503 deletions
diff --git a/third_party/git/ref-filter.c b/third_party/git/ref-filter.c deleted file mode 100644 index f27cfc8c3e..0000000000 --- a/third_party/git/ref-filter.c +++ /dev/null @@ -1,2503 +0,0 @@ -#include "builtin.h" -#include "cache.h" -#include "parse-options.h" -#include "refs.h" -#include "wildmatch.h" -#include "object-store.h" -#include "repository.h" -#include "commit.h" -#include "remote.h" -#include "color.h" -#include "tag.h" -#include "quote.h" -#include "ref-filter.h" -#include "revision.h" -#include "utf8.h" -#include "git-compat-util.h" -#include "version.h" -#include "trailer.h" -#include "wt-status.h" -#include "commit-slab.h" -#include "commit-graph.h" -#include "commit-reach.h" -#include "worktree.h" -#include "hashmap.h" -#include "argv-array.h" - -static struct ref_msg { - const char *gone; - const char *ahead; - const char *behind; - const char *ahead_behind; -} msgs = { - /* Untranslated plumbing messages: */ - "gone", - "ahead %d", - "behind %d", - "ahead %d, behind %d" -}; - -void setup_ref_filter_porcelain_msg(void) -{ - msgs.gone = _("gone"); - msgs.ahead = _("ahead %d"); - msgs.behind = _("behind %d"); - msgs.ahead_behind = _("ahead %d, behind %d"); -} - -typedef enum { FIELD_STR, FIELD_ULONG, FIELD_TIME } cmp_type; -typedef enum { COMPARE_EQUAL, COMPARE_UNEQUAL, COMPARE_NONE } cmp_status; -typedef enum { SOURCE_NONE = 0, SOURCE_OBJ, SOURCE_OTHER } info_source; - -struct align { - align_type position; - unsigned int width; -}; - -struct if_then_else { - cmp_status cmp_status; - const char *str; - unsigned int then_atom_seen : 1, - else_atom_seen : 1, - condition_satisfied : 1; -}; - -struct refname_atom { - enum { R_NORMAL, R_SHORT, R_LSTRIP, R_RSTRIP } option; - int lstrip, rstrip; -}; - -static struct expand_data { - struct object_id oid; - enum object_type type; - unsigned long size; - off_t disk_size; - struct object_id delta_base_oid; - void *content; - - struct object_info info; -} oi, oi_deref; - -struct ref_to_worktree_entry { - struct hashmap_entry ent; /* must be the first member! */ - struct worktree *wt; /* key is wt->head_ref */ -}; - -static int ref_to_worktree_map_cmpfnc(const void *unused_lookupdata, - const void *existing_hashmap_entry_to_test, - const void *key, - const void *keydata_aka_refname) -{ - const struct ref_to_worktree_entry *e = existing_hashmap_entry_to_test; - const struct ref_to_worktree_entry *k = key; - return strcmp(e->wt->head_ref, - keydata_aka_refname ? keydata_aka_refname : k->wt->head_ref); -} - -static struct ref_to_worktree_map { - struct hashmap map; - struct worktree **worktrees; -} ref_to_worktree_map; - -/* - * An atom is a valid field atom listed below, possibly prefixed with - * a "*" to denote deref_tag(). - * - * We parse given format string and sort specifiers, and make a list - * of properties that we need to extract out of objects. ref_array_item - * structure will hold an array of values extracted that can be - * indexed with the "atom number", which is an index into this - * array. - */ -static struct used_atom { - const char *name; - cmp_type type; - info_source source; - union { - char color[COLOR_MAXLEN]; - struct align align; - struct { - enum { - RR_REF, RR_TRACK, RR_TRACKSHORT, RR_REMOTE_NAME, RR_REMOTE_REF - } option; - struct refname_atom refname; - unsigned int nobracket : 1, push : 1, push_remote : 1; - } remote_ref; - struct { - enum { C_BARE, C_BODY, C_BODY_DEP, C_LINES, C_SIG, C_SUB, C_TRAILERS } option; - struct process_trailer_options trailer_opts; - unsigned int nlines; - } contents; - struct { - cmp_status cmp_status; - const char *str; - } if_then_else; - struct { - enum { O_FULL, O_LENGTH, O_SHORT } option; - unsigned int length; - } objectname; - struct refname_atom refname; - char *head; - } u; -} *used_atom; -static int used_atom_cnt, need_tagged, need_symref; - -/* - * Expand string, append it to strbuf *sb, then return error code ret. - * Allow to save few lines of code. - */ -static int strbuf_addf_ret(struct strbuf *sb, int ret, const char *fmt, ...) -{ - va_list ap; - va_start(ap, fmt); - strbuf_vaddf(sb, fmt, ap); - va_end(ap); - return ret; -} - -static int color_atom_parser(const struct ref_format *format, struct used_atom *atom, - const char *color_value, struct strbuf *err) -{ - if (!color_value) - return strbuf_addf_ret(err, -1, _("expected format: %%(color:<color>)")); - if (color_parse(color_value, atom->u.color) < 0) - return strbuf_addf_ret(err, -1, _("unrecognized color: %%(color:%s)"), - color_value); - /* - * We check this after we've parsed the color, which lets us complain - * about syntactically bogus color names even if they won't be used. - */ - if (!want_color(format->use_color)) - color_parse("", atom->u.color); - return 0; -} - -static int refname_atom_parser_internal(struct refname_atom *atom, const char *arg, - const char *name, struct strbuf *err) -{ - if (!arg) - atom->option = R_NORMAL; - else if (!strcmp(arg, "short")) - atom->option = R_SHORT; - else if (skip_prefix(arg, "lstrip=", &arg) || - skip_prefix(arg, "strip=", &arg)) { - atom->option = R_LSTRIP; - if (strtol_i(arg, 10, &atom->lstrip)) - return strbuf_addf_ret(err, -1, _("Integer value expected refname:lstrip=%s"), arg); - } else if (skip_prefix(arg, "rstrip=", &arg)) { - atom->option = R_RSTRIP; - if (strtol_i(arg, 10, &atom->rstrip)) - return strbuf_addf_ret(err, -1, _("Integer value expected refname:rstrip=%s"), arg); - } else - return strbuf_addf_ret(err, -1, _("unrecognized %%(%s) argument: %s"), name, arg); - return 0; -} - -static int remote_ref_atom_parser(const struct ref_format *format, struct used_atom *atom, - const char *arg, struct strbuf *err) -{ - struct string_list params = STRING_LIST_INIT_DUP; - int i; - - if (!strcmp(atom->name, "push") || starts_with(atom->name, "push:")) - atom->u.remote_ref.push = 1; - - if (!arg) { - atom->u.remote_ref.option = RR_REF; - return refname_atom_parser_internal(&atom->u.remote_ref.refname, - arg, atom->name, err); - } - - atom->u.remote_ref.nobracket = 0; - string_list_split(¶ms, arg, ',', -1); - - for (i = 0; i < params.nr; i++) { - const char *s = params.items[i].string; - - if (!strcmp(s, "track")) - atom->u.remote_ref.option = RR_TRACK; - else if (!strcmp(s, "trackshort")) - atom->u.remote_ref.option = RR_TRACKSHORT; - else if (!strcmp(s, "nobracket")) - atom->u.remote_ref.nobracket = 1; - else if (!strcmp(s, "remotename")) { - atom->u.remote_ref.option = RR_REMOTE_NAME; - atom->u.remote_ref.push_remote = 1; - } else if (!strcmp(s, "remoteref")) { - atom->u.remote_ref.option = RR_REMOTE_REF; - atom->u.remote_ref.push_remote = 1; - } else { - atom->u.remote_ref.option = RR_REF; - if (refname_atom_parser_internal(&atom->u.remote_ref.refname, - arg, atom->name, err)) { - string_list_clear(¶ms, 0); - return -1; - } - } - } - - string_list_clear(¶ms, 0); - return 0; -} - -static int objecttype_atom_parser(const struct ref_format *format, struct used_atom *atom, - const char *arg, struct strbuf *err) -{ - if (arg) - return strbuf_addf_ret(err, -1, _("%%(objecttype) does not take arguments")); - if (*atom->name == '*') - oi_deref.info.typep = &oi_deref.type; - else - oi.info.typep = &oi.type; - return 0; -} - -static int objectsize_atom_parser(const struct ref_format *format, struct used_atom *atom, - const char *arg, struct strbuf *err) -{ - if (!arg) { - if (*atom->name == '*') - oi_deref.info.sizep = &oi_deref.size; - else - oi.info.sizep = &oi.size; - } else if (!strcmp(arg, "disk")) { - if (*atom->name == '*') - oi_deref.info.disk_sizep = &oi_deref.disk_size; - else - oi.info.disk_sizep = &oi.disk_size; - } else - return strbuf_addf_ret(err, -1, _("unrecognized %%(objectsize) argument: %s"), arg); - return 0; -} - -static int deltabase_atom_parser(const struct ref_format *format, struct used_atom *atom, - const char *arg, struct strbuf *err) -{ - if (arg) - return strbuf_addf_ret(err, -1, _("%%(deltabase) does not take arguments")); - if (*atom->name == '*') - oi_deref.info.delta_base_sha1 = oi_deref.delta_base_oid.hash; - else - oi.info.delta_base_sha1 = oi.delta_base_oid.hash; - return 0; -} - -static int body_atom_parser(const struct ref_format *format, struct used_atom *atom, - const char *arg, struct strbuf *err) -{ - if (arg) - return strbuf_addf_ret(err, -1, _("%%(body) does not take arguments")); - atom->u.contents.option = C_BODY_DEP; - return 0; -} - -static int subject_atom_parser(const struct ref_format *format, struct used_atom *atom, - const char *arg, struct strbuf *err) -{ - if (arg) - return strbuf_addf_ret(err, -1, _("%%(subject) does not take arguments")); - atom->u.contents.option = C_SUB; - return 0; -} - -static int trailers_atom_parser(const struct ref_format *format, struct used_atom *atom, - const char *arg, struct strbuf *err) -{ - struct string_list params = STRING_LIST_INIT_DUP; - int i; - - atom->u.contents.trailer_opts.no_divider = 1; - - if (arg) { - string_list_split(¶ms, arg, ',', -1); - for (i = 0; i < params.nr; i++) { - const char *s = params.items[i].string; - if (!strcmp(s, "unfold")) - atom->u.contents.trailer_opts.unfold = 1; - else if (!strcmp(s, "only")) - atom->u.contents.trailer_opts.only_trailers = 1; - else { - strbuf_addf(err, _("unknown %%(trailers) argument: %s"), s); - string_list_clear(¶ms, 0); - return -1; - } - } - } - atom->u.contents.option = C_TRAILERS; - string_list_clear(¶ms, 0); - return 0; -} - -static int contents_atom_parser(const struct ref_format *format, struct used_atom *atom, - const char *arg, struct strbuf *err) -{ - if (!arg) - atom->u.contents.option = C_BARE; - else if (!strcmp(arg, "body")) - atom->u.contents.option = C_BODY; - else if (!strcmp(arg, "signature")) - atom->u.contents.option = C_SIG; - else if (!strcmp(arg, "subject")) - atom->u.contents.option = C_SUB; - else if (skip_prefix(arg, "trailers", &arg)) { - skip_prefix(arg, ":", &arg); - if (trailers_atom_parser(format, atom, *arg ? arg : NULL, err)) - return -1; - } else if (skip_prefix(arg, "lines=", &arg)) { - atom->u.contents.option = C_LINES; - if (strtoul_ui(arg, 10, &atom->u.contents.nlines)) - return strbuf_addf_ret(err, -1, _("positive value expected contents:lines=%s"), arg); - } else - return strbuf_addf_ret(err, -1, _("unrecognized %%(contents) argument: %s"), arg); - return 0; -} - -static int objectname_atom_parser(const struct ref_format *format, struct used_atom *atom, - const char *arg, struct strbuf *err) -{ - if (!arg) - atom->u.objectname.option = O_FULL; - else if (!strcmp(arg, "short")) - atom->u.objectname.option = O_SHORT; - else if (skip_prefix(arg, "short=", &arg)) { - atom->u.objectname.option = O_LENGTH; - if (strtoul_ui(arg, 10, &atom->u.objectname.length) || - atom->u.objectname.length == 0) - return strbuf_addf_ret(err, -1, _("positive value expected objectname:short=%s"), arg); - if (atom->u.objectname.length < MINIMUM_ABBREV) - atom->u.objectname.length = MINIMUM_ABBREV; - } else - return strbuf_addf_ret(err, -1, _("unrecognized %%(objectname) argument: %s"), arg); - return 0; -} - -static int refname_atom_parser(const struct ref_format *format, struct used_atom *atom, - const char *arg, struct strbuf *err) -{ - return refname_atom_parser_internal(&atom->u.refname, arg, atom->name, err); -} - -static align_type parse_align_position(const char *s) -{ - if (!strcmp(s, "right")) - return ALIGN_RIGHT; - else if (!strcmp(s, "middle")) - return ALIGN_MIDDLE; - else if (!strcmp(s, "left")) - return ALIGN_LEFT; - return -1; -} - -static int align_atom_parser(const struct ref_format *format, struct used_atom *atom, - const char *arg, struct strbuf *err) -{ - struct align *align = &atom->u.align; - struct string_list params = STRING_LIST_INIT_DUP; - int i; - unsigned int width = ~0U; - - if (!arg) - return strbuf_addf_ret(err, -1, _("expected format: %%(align:<width>,<position>)")); - - align->position = ALIGN_LEFT; - - string_list_split(¶ms, arg, ',', -1); - for (i = 0; i < params.nr; i++) { - const char *s = params.items[i].string; - int position; - - if (skip_prefix(s, "position=", &s)) { - position = parse_align_position(s); - if (position < 0) { - strbuf_addf(err, _("unrecognized position:%s"), s); - string_list_clear(¶ms, 0); - return -1; - } - align->position = position; - } else if (skip_prefix(s, "width=", &s)) { - if (strtoul_ui(s, 10, &width)) { - strbuf_addf(err, _("unrecognized width:%s"), s); - string_list_clear(¶ms, 0); - return -1; - } - } else if (!strtoul_ui(s, 10, &width)) - ; - else if ((position = parse_align_position(s)) >= 0) - align->position = position; - else { - strbuf_addf(err, _("unrecognized %%(align) argument: %s"), s); - string_list_clear(¶ms, 0); - return -1; - } - } - - if (width == ~0U) { - string_list_clear(¶ms, 0); - return strbuf_addf_ret(err, -1, _("positive width expected with the %%(align) atom")); - } - align->width = width; - string_list_clear(¶ms, 0); - return 0; -} - -static int if_atom_parser(const struct ref_format *format, struct used_atom *atom, - const char *arg, struct strbuf *err) -{ - if (!arg) { - atom->u.if_then_else.cmp_status = COMPARE_NONE; - return 0; - } else if (skip_prefix(arg, "equals=", &atom->u.if_then_else.str)) { - atom->u.if_then_else.cmp_status = COMPARE_EQUAL; - } else if (skip_prefix(arg, "notequals=", &atom->u.if_then_else.str)) { - atom->u.if_then_else.cmp_status = COMPARE_UNEQUAL; - } else - return strbuf_addf_ret(err, -1, _("unrecognized %%(if) argument: %s"), arg); - return 0; -} - -static int head_atom_parser(const struct ref_format *format, struct used_atom *atom, - const char *arg, struct strbuf *unused_err) -{ - atom->u.head = resolve_refdup("HEAD", RESOLVE_REF_READING, NULL, NULL); - return 0; -} - -static struct { - const char *name; - info_source source; - cmp_type cmp_type; - int (*parser)(const struct ref_format *format, struct used_atom *atom, - const char *arg, struct strbuf *err); -} valid_atom[] = { - { "refname", SOURCE_NONE, FIELD_STR, refname_atom_parser }, - { "objecttype", SOURCE_OTHER, FIELD_STR, objecttype_atom_parser }, - { "objectsize", SOURCE_OTHER, FIELD_ULONG, objectsize_atom_parser }, - { "objectname", SOURCE_OTHER, FIELD_STR, objectname_atom_parser }, - { "deltabase", SOURCE_OTHER, FIELD_STR, deltabase_atom_parser }, - { "tree", SOURCE_OBJ }, - { "parent", SOURCE_OBJ }, - { "numparent", SOURCE_OBJ, FIELD_ULONG }, - { "object", SOURCE_OBJ }, - { "type", SOURCE_OBJ }, - { "tag", SOURCE_OBJ }, - { "author", SOURCE_OBJ }, - { "authorname", SOURCE_OBJ }, - { "authoremail", SOURCE_OBJ }, - { "authordate", SOURCE_OBJ, FIELD_TIME }, - { "committer", SOURCE_OBJ }, - { "committername", SOURCE_OBJ }, - { "committeremail", SOURCE_OBJ }, - { "committerdate", SOURCE_OBJ, FIELD_TIME }, - { "tagger", SOURCE_OBJ }, - { "taggername", SOURCE_OBJ }, - { "taggeremail", SOURCE_OBJ }, - { "taggerdate", SOURCE_OBJ, FIELD_TIME }, - { "creator", SOURCE_OBJ }, - { "creatordate", SOURCE_OBJ, FIELD_TIME }, - { "subject", SOURCE_OBJ, FIELD_STR, subject_atom_parser }, - { "body", SOURCE_OBJ, FIELD_STR, body_atom_parser }, - { "trailers", SOURCE_OBJ, FIELD_STR, trailers_atom_parser }, - { "contents", SOURCE_OBJ, FIELD_STR, contents_atom_parser }, - { "upstream", SOURCE_NONE, FIELD_STR, remote_ref_atom_parser }, - { "push", SOURCE_NONE, FIELD_STR, remote_ref_atom_parser }, - { "symref", SOURCE_NONE, FIELD_STR, refname_atom_parser }, - { "flag", SOURCE_NONE }, - { "HEAD", SOURCE_NONE, FIELD_STR, head_atom_parser }, - { "color", SOURCE_NONE, FIELD_STR, color_atom_parser }, - { "worktreepath", SOURCE_NONE }, - { "align", SOURCE_NONE, FIELD_STR, align_atom_parser }, - { "end", SOURCE_NONE }, - { "if", SOURCE_NONE, FIELD_STR, if_atom_parser }, - { "then", SOURCE_NONE }, - { "else", SOURCE_NONE }, - /* - * Please update $__git_ref_fieldlist in git-completion.bash - * when you add new atoms - */ -}; - -#define REF_FORMATTING_STATE_INIT { 0, NULL } - -struct ref_formatting_stack { - struct ref_formatting_stack *prev; - struct strbuf output; - void (*at_end)(struct ref_formatting_stack **stack); - void *at_end_data; -}; - -struct ref_formatting_state { - int quote_style; - struct ref_formatting_stack *stack; -}; - -struct atom_value { - const char *s; - int (*handler)(struct atom_value *atomv, struct ref_formatting_state *state, - struct strbuf *err); - uintmax_t value; /* used for sorting when not FIELD_STR */ - struct used_atom *atom; -}; - -/* - * Used to parse format string and sort specifiers - */ -static int parse_ref_filter_atom(const struct ref_format *format, - const char *atom, const char *ep, - struct strbuf *err) -{ - const char *sp; - const char *arg; - int i, at, atom_len; - - sp = atom; - if (*sp == '*' && sp < ep) - sp++; /* deref */ - if (ep <= sp) - return strbuf_addf_ret(err, -1, _("malformed field name: %.*s"), - (int)(ep-atom), atom); - - /* Do we have the atom already used elsewhere? */ - for (i = 0; i < used_atom_cnt; i++) { - int len = strlen(used_atom[i].name); - if (len == ep - atom && !memcmp(used_atom[i].name, atom, len)) - return i; - } - - /* - * If the atom name has a colon, strip it and everything after - * it off - it specifies the format for this entry, and - * shouldn't be used for checking against the valid_atom - * table. - */ - arg = memchr(sp, ':', ep - sp); - atom_len = (arg ? arg : ep) - sp; - - /* Is the atom a valid one? */ - for (i = 0; i < ARRAY_SIZE(valid_atom); i++) { - int len = strlen(valid_atom[i].name); - if (len == atom_len && !memcmp(valid_atom[i].name, sp, len)) - break; - } - - if (ARRAY_SIZE(valid_atom) <= i) - return strbuf_addf_ret(err, -1, _("unknown field name: %.*s"), - (int)(ep-atom), atom); - if (valid_atom[i].source != SOURCE_NONE && !have_git_dir()) - return strbuf_addf_ret(err, -1, - _("not a git repository, but the field '%.*s' requires access to object data"), - (int)(ep-atom), atom); - - /* Add it in, including the deref prefix */ - at = used_atom_cnt; - used_atom_cnt++; - REALLOC_ARRAY(used_atom, used_atom_cnt); - used_atom[at].name = xmemdupz(atom, ep - atom); - used_atom[at].type = valid_atom[i].cmp_type; - used_atom[at].source = valid_atom[i].source; - if (used_atom[at].source == SOURCE_OBJ) { - if (*atom == '*') - oi_deref.info.contentp = &oi_deref.content; - else - oi.info.contentp = &oi.content; - } - if (arg) { - arg = used_atom[at].name + (arg - atom) + 1; - if (!*arg) { - /* - * Treat empty sub-arguments list as NULL (i.e., - * "%(atom:)" is equivalent to "%(atom)"). - */ - arg = NULL; - } - } - memset(&used_atom[at].u, 0, sizeof(used_atom[at].u)); - if (valid_atom[i].parser && valid_atom[i].parser(format, &used_atom[at], arg, err)) - return -1; - if (*atom == '*') - need_tagged = 1; - if (!strcmp(valid_atom[i].name, "symref")) - need_symref = 1; - return at; -} - -static void quote_formatting(struct strbuf *s, const char *str, int quote_style) -{ - switch (quote_style) { - case QUOTE_NONE: - strbuf_addstr(s, str); - break; - case QUOTE_SHELL: - sq_quote_buf(s, str); - break; - case QUOTE_PERL: - perl_quote_buf(s, str); - break; - case QUOTE_PYTHON: - python_quote_buf(s, str); - break; - case QUOTE_TCL: - tcl_quote_buf(s, str); - break; - } -} - -static int append_atom(struct atom_value *v, struct ref_formatting_state *state, - struct strbuf *unused_err) -{ - /* - * Quote formatting is only done when the stack has a single - * element. Otherwise quote formatting is done on the - * element's entire output strbuf when the %(end) atom is - * encountered. - */ - if (!state->stack->prev) - quote_formatting(&state->stack->output, v->s, state->quote_style); - else - strbuf_addstr(&state->stack->output, v->s); - return 0; -} - -static void push_stack_element(struct ref_formatting_stack **stack) -{ - struct ref_formatting_stack *s = xcalloc(1, sizeof(struct ref_formatting_stack)); - - strbuf_init(&s->output, 0); - s->prev = *stack; - *stack = s; -} - -static void pop_stack_element(struct ref_formatting_stack **stack) -{ - struct ref_formatting_stack *current = *stack; - struct ref_formatting_stack *prev = current->prev; - - if (prev) - strbuf_addbuf(&prev->output, ¤t->output); - strbuf_release(¤t->output); - free(current); - *stack = prev; -} - -static void end_align_handler(struct ref_formatting_stack **stack) -{ - struct ref_formatting_stack *cur = *stack; - struct align *align = (struct align *)cur->at_end_data; - struct strbuf s = STRBUF_INIT; - - strbuf_utf8_align(&s, align->position, align->width, cur->output.buf); - strbuf_swap(&cur->output, &s); - strbuf_release(&s); -} - -static int align_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state, - struct strbuf *unused_err) -{ - struct ref_formatting_stack *new_stack; - - push_stack_element(&state->stack); - new_stack = state->stack; - new_stack->at_end = end_align_handler; - new_stack->at_end_data = &atomv->atom->u.align; - return 0; -} - -static void if_then_else_handler(struct ref_formatting_stack **stack) -{ - struct ref_formatting_stack *cur = *stack; - struct ref_formatting_stack *prev = cur->prev; - struct if_then_else *if_then_else = (struct if_then_else *)cur->at_end_data; - - if (!if_then_else->then_atom_seen) - die(_("format: %%(if) atom used without a %%(then) atom")); - - if (if_then_else->else_atom_seen) { - /* - * There is an %(else) atom: we need to drop one state from the - * stack, either the %(else) branch if the condition is satisfied, or - * the %(then) branch if it isn't. - */ - if (if_then_else->condition_satisfied) { - strbuf_reset(&cur->output); - pop_stack_element(&cur); - } else { - strbuf_swap(&cur->output, &prev->output); - strbuf_reset(&cur->output); - pop_stack_element(&cur); - } - } else if (!if_then_else->condition_satisfied) { - /* - * No %(else) atom: just drop the %(then) branch if the - * condition is not satisfied. - */ - strbuf_reset(&cur->output); - } - - *stack = cur; - free(if_then_else); -} - -static int if_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state, - struct strbuf *unused_err) -{ - struct ref_formatting_stack *new_stack; - struct if_then_else *if_then_else = xcalloc(sizeof(struct if_then_else), 1); - - if_then_else->str = atomv->atom->u.if_then_else.str; - if_then_else->cmp_status = atomv->atom->u.if_then_else.cmp_status; - - push_stack_element(&state->stack); - new_stack = state->stack; - new_stack->at_end = if_then_else_handler; - new_stack->at_end_data = if_then_else; - return 0; -} - -static int is_empty(const char *s) -{ - while (*s != '\0') { - if (!isspace(*s)) - return 0; - s++; - } - return 1; -} - -static int then_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state, - struct strbuf *err) -{ - struct ref_formatting_stack *cur = state->stack; - struct if_then_else *if_then_else = NULL; - - if (cur->at_end == if_then_else_handler) - if_then_else = (struct if_then_else *)cur->at_end_data; - if (!if_then_else) - return strbuf_addf_ret(err, -1, _("format: %%(then) atom used without an %%(if) atom")); - if (if_then_else->then_atom_seen) - return strbuf_addf_ret(err, -1, _("format: %%(then) atom used more than once")); - if (if_then_else->else_atom_seen) - return strbuf_addf_ret(err, -1, _("format: %%(then) atom used after %%(else)")); - if_then_else->then_atom_seen = 1; - /* - * If the 'equals' or 'notequals' attribute is used then - * perform the required comparison. If not, only non-empty - * strings satisfy the 'if' condition. - */ - if (if_then_else->cmp_status == COMPARE_EQUAL) { - if (!strcmp(if_then_else->str, cur->output.buf)) - if_then_else->condition_satisfied = 1; - } else if (if_then_else->cmp_status == COMPARE_UNEQUAL) { - if (strcmp(if_then_else->str, cur->output.buf)) - if_then_else->condition_satisfied = 1; - } else if (cur->output.len && !is_empty(cur->output.buf)) - if_then_else->condition_satisfied = 1; - strbuf_reset(&cur->output); - return 0; -} - -static int else_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state, - struct strbuf *err) -{ - struct ref_formatting_stack *prev = state->stack; - struct if_then_else *if_then_else = NULL; - - if (prev->at_end == if_then_else_handler) - if_then_else = (struct if_then_else *)prev->at_end_data; - if (!if_then_else) - return strbuf_addf_ret(err, -1, _("format: %%(else) atom used without an %%(if) atom")); - if (!if_then_else->then_atom_seen) - return strbuf_addf_ret(err, -1, _("format: %%(else) atom used without a %%(then) atom")); - if (if_then_else->else_atom_seen) - return strbuf_addf_ret(err, -1, _("format: %%(else) atom used more than once")); - if_then_else->else_atom_seen = 1; - push_stack_element(&state->stack); - state->stack->at_end_data = prev->at_end_data; - state->stack->at_end = prev->at_end; - return 0; -} - -static int end_atom_handler(struct atom_value *atomv, struct ref_formatting_state *state, - struct strbuf *err) -{ - struct ref_formatting_stack *current = state->stack; - struct strbuf s = STRBUF_INIT; - - if (!current->at_end) - return strbuf_addf_ret(err, -1, _("format: %%(end) atom used without corresponding atom")); - current->at_end(&state->stack); - - /* Stack may have been popped within at_end(), hence reset the current pointer */ - current = state->stack; - - /* - * Perform quote formatting when the stack element is that of - * a supporting atom. If nested then perform quote formatting - * only on the topmost supporting atom. - */ - if (!current->prev->prev) { - quote_formatting(&s, current->output.buf, state->quote_style); - strbuf_swap(¤t->output, &s); - } - strbuf_release(&s); - pop_stack_element(&state->stack); - return 0; -} - -/* - * In a format string, find the next occurrence of %(atom). - */ -static const char *find_next(const char *cp) -{ - while (*cp) { - if (*cp == '%') { - /* - * %( is the start of an atom; - * %% is a quoted per-cent. - */ - if (cp[1] == '(') - return cp; - else if (cp[1] == '%') - cp++; /* skip over two % */ - /* otherwise this is a singleton, literal % */ - } - cp++; - } - return NULL; -} - -/* - * Make sure the format string is well formed, and parse out - * the used atoms. - */ -int verify_ref_format(struct ref_format *format) -{ - const char *cp, *sp; - - format->need_color_reset_at_eol = 0; - for (cp = format->format; *cp && (sp = find_next(cp)); ) { - struct strbuf err = STRBUF_INIT; - const char *color, *ep = strchr(sp, ')'); - int at; - - if (!ep) - return error(_("malformed format string %s"), sp); - /* sp points at "%(" and ep points at the closing ")" */ - at = parse_ref_filter_atom(format, sp + 2, ep, &err); - if (at < 0) - die("%s", err.buf); - cp = ep + 1; - - if (skip_prefix(used_atom[at].name, "color:", &color)) - format->need_color_reset_at_eol = !!strcmp(color, "reset"); - strbuf_release(&err); - } - if (format->need_color_reset_at_eol && !want_color(format->use_color)) - format->need_color_reset_at_eol = 0; - return 0; -} - -static int grab_objectname(const char *name, const struct object_id *oid, - struct atom_value *v, struct used_atom *atom) -{ - if (starts_with(name, "objectname")) { - if (atom->u.objectname.option == O_SHORT) { - v->s = xstrdup(find_unique_abbrev(oid, DEFAULT_ABBREV)); - return 1; - } else if (atom->u.objectname.option == O_FULL) { - v->s = xstrdup(oid_to_hex(oid)); - return 1; - } else if (atom->u.objectname.option == O_LENGTH) { - v->s = xstrdup(find_unique_abbrev(oid, atom->u.objectname.length)); - return 1; - } else - BUG("unknown %%(objectname) option"); - } - return 0; -} - -/* See grab_values */ -static void grab_common_values(struct atom_value *val, int deref, struct expand_data *oi) -{ - int i; - - for (i = 0; i < used_atom_cnt; i++) { - const char *name = used_atom[i].name; - struct atom_value *v = &val[i]; - if (!!deref != (*name == '*')) - continue; - if (deref) - name++; - if (!strcmp(name, "objecttype")) - v->s = xstrdup(type_name(oi->type)); - else if (!strcmp(name, "objectsize:disk")) { - v->value = oi->disk_size; - v->s = xstrfmt("%"PRIuMAX, (uintmax_t)oi->disk_size); - } else if (!strcmp(name, "objectsize")) { - v->value = oi->size; - v->s = xstrfmt("%"PRIuMAX , (uintmax_t)oi->size); - } else if (!strcmp(name, "deltabase")) - v->s = xstrdup(oid_to_hex(&oi->delta_base_oid)); - else if (deref) - grab_objectname(name, &oi->oid, v, &used_atom[i]); - } -} - -/* See grab_values */ -static void grab_tag_values(struct atom_value *val, int deref, struct object *obj) -{ - int i; - struct tag *tag = (struct tag *) obj; - - for (i = 0; i < used_atom_cnt; i++) { - const char *name = used_atom[i].name; - struct atom_value *v = &val[i]; - if (!!deref != (*name == '*')) - continue; - if (deref) - name++; - if (!strcmp(name, "tag")) - v->s = xstrdup(tag->tag); - else if (!strcmp(name, "type") && tag->tagged) - v->s = xstrdup(type_name(tag->tagged->type)); - else if (!strcmp(name, "object") && tag->tagged) - v->s = xstrdup(oid_to_hex(&tag->tagged->oid)); - } -} - -/* See grab_values */ -static void grab_commit_values(struct atom_value *val, int deref, struct object *obj) -{ - int i; - struct commit *commit = (struct commit *) obj; - - for (i = 0; i < used_atom_cnt; i++) { - const char *name = used_atom[i].name; - struct atom_value *v = &val[i]; - if (!!deref != (*name == '*')) - continue; - if (deref) - name++; - if (!strcmp(name, "tree")) { - v->s = xstrdup(oid_to_hex(get_commit_tree_oid(commit))); - } - else if (!strcmp(name, "numparent")) { - v->value = commit_list_count(commit->parents); - v->s = xstrfmt("%lu", (unsigned long)v->value); - } - else if (!strcmp(name, "parent")) { - struct commit_list *parents; - struct strbuf s = STRBUF_INIT; - for (parents = commit->parents; parents; parents = parents->next) { - struct commit *parent = parents->item; - if (parents != commit->parents) - strbuf_addch(&s, ' '); - strbuf_addstr(&s, oid_to_hex(&parent->object.oid)); - } - v->s = strbuf_detach(&s, NULL); - } - } -} - -static const char *find_wholine(const char *who, int wholen, const char *buf) -{ - const char *eol; - while (*buf) { - if (!strncmp(buf, who, wholen) && - buf[wholen] == ' ') - return buf + wholen + 1; - eol = strchr(buf, '\n'); - if (!eol) - return ""; - eol++; - if (*eol == '\n') - return ""; /* end of header */ - buf = eol; - } - return ""; -} - -static const char *copy_line(const char *buf) -{ - const char *eol = strchrnul(buf, '\n'); - return xmemdupz(buf, eol - buf); -} - -static const char *copy_name(const char *buf) -{ - const char *cp; - for (cp = buf; *cp && *cp != '\n'; cp++) { - if (!strncmp(cp, " <", 2)) - return xmemdupz(buf, cp - buf); - } - return ""; -} - -static const char *copy_email(const char *buf) -{ - const char *email = strchr(buf, '<'); - const char *eoemail; - if (!email) - return ""; - eoemail = strchr(email, '>'); - if (!eoemail) - return ""; - return xmemdupz(email, eoemail + 1 - email); -} - -static char *copy_subject(const char *buf, unsigned long len) -{ - char *r = xmemdupz(buf, len); - int i; - - for (i = 0; i < len; i++) - if (r[i] == '\n') - r[i] = ' '; - - return r; -} - -static void grab_date(const char *buf, struct atom_value *v, const char *atomname) -{ - const char *eoemail = strstr(buf, "> "); - char *zone; - timestamp_t timestamp; - long tz; - struct date_mode date_mode = { DATE_NORMAL }; - const char *formatp; - - /* - * We got here because atomname ends in "date" or "date<something>"; - * it's not possible that <something> is not ":<format>" because - * parse_ref_filter_atom() wouldn't have allowed it, so we can assume that no - * ":" means no format is specified, and use the default. - */ - formatp = strchr(atomname, ':'); - if (formatp != NULL) { - formatp++; - parse_date_format(formatp, &date_mode); - } - - if (!eoemail) - goto bad; - timestamp = parse_timestamp(eoemail + 2, &zone, 10); - if (timestamp == TIME_MAX) - goto bad; - tz = strtol(zone, NULL, 10); - if ((tz == LONG_MIN || tz == LONG_MAX) && errno == ERANGE) - goto bad; - v->s = xstrdup(show_date(timestamp, tz, &date_mode)); - v->value = timestamp; - return; - bad: - v->s = xstrdup(""); - v->value = 0; -} - -/* See grab_values */ -static void grab_person(const char *who, struct atom_value *val, int deref, void *buf) -{ - int i; - int wholen = strlen(who); - const char *wholine = NULL; - - for (i = 0; i < used_atom_cnt; i++) { - const char *name = used_atom[i].name; - struct atom_value *v = &val[i]; - if (!!deref != (*name == '*')) - continue; - if (deref) - name++; - if (strncmp(who, name, wholen)) - continue; - if (name[wholen] != 0 && - strcmp(name + wholen, "name") && - strcmp(name + wholen, "email") && - !starts_with(name + wholen, "date")) - continue; - if (!wholine) - wholine = find_wholine(who, wholen, buf); - if (!wholine) - return; /* no point looking for it */ - if (name[wholen] == 0) - v->s = copy_line(wholine); - else if (!strcmp(name + wholen, "name")) - v->s = copy_name(wholine); - else if (!strcmp(name + wholen, "email")) - v->s = copy_email(wholine); - else if (starts_with(name + wholen, "date")) - grab_date(wholine, v, name); - } - - /* - * For a tag or a commit object, if "creator" or "creatordate" is - * requested, do something special. - */ - if (strcmp(who, "tagger") && strcmp(who, "committer")) - return; /* "author" for commit object is not wanted */ - if (!wholine) - wholine = find_wholine(who, wholen, buf); - if (!wholine) - return; - for (i = 0; i < used_atom_cnt; i++) { - const char *name = used_atom[i].name; - struct atom_value *v = &val[i]; - if (!!deref != (*name == '*')) - continue; - if (deref) - name++; - - if (starts_with(name, "creatordate")) - grab_date(wholine, v, name); - else if (!strcmp(name, "creator")) - v->s = copy_line(wholine); - } -} - -static void find_subpos(const char *buf, - const char **sub, unsigned long *sublen, - const char **body, unsigned long *bodylen, - unsigned long *nonsiglen, - const char **sig, unsigned long *siglen) -{ - const char *eol; - /* skip past header until we hit empty line */ - while (*buf && *buf != '\n') { - eol = strchrnul(buf, '\n'); - if (*eol) - eol++; - buf = eol; - } - /* skip any empty lines */ - while (*buf == '\n') - buf++; - - /* parse signature first; we might not even have a subject line */ - *sig = buf + parse_signature(buf, strlen(buf)); - *siglen = strlen(*sig); - - /* subject is first non-empty line */ - *sub = buf; - /* subject goes to first empty line */ - while (buf < *sig && *buf && *buf != '\n') { - eol = strchrnul(buf, '\n'); - if (*eol) - eol++; - buf = eol; - } - *sublen = buf - *sub; - /* drop trailing newline, if present */ - if (*sublen && (*sub)[*sublen - 1] == '\n') - *sublen -= 1; - - /* skip any empty lines */ - while (*buf == '\n') - buf++; - *body = buf; - *bodylen = strlen(buf); - *nonsiglen = *sig - buf; -} - -/* - * If 'lines' is greater than 0, append that many lines from the given - * 'buf' of length 'size' to the given strbuf. - */ -static void append_lines(struct strbuf *out, const char *buf, unsigned long size, int lines) -{ - int i; - const char *sp, *eol; - size_t len; - - sp = buf; - - for (i = 0; i < lines && sp < buf + size; i++) { - if (i) - strbuf_addstr(out, "\n "); - eol = memchr(sp, '\n', size - (sp - buf)); - len = eol ? eol - sp : size - (sp - buf); - strbuf_add(out, sp, len); - if (!eol) - break; - sp = eol + 1; - } -} - -/* See grab_values */ -static void grab_sub_body_contents(struct atom_value *val, int deref, void *buf) -{ - int i; - const char *subpos = NULL, *bodypos = NULL, *sigpos = NULL; - unsigned long sublen = 0, bodylen = 0, nonsiglen = 0, siglen = 0; - - for (i = 0; i < used_atom_cnt; i++) { - struct used_atom *atom = &used_atom[i]; - const char *name = atom->name; - struct atom_value *v = &val[i]; - if (!!deref != (*name == '*')) - continue; - if (deref) - name++; - if (strcmp(name, "subject") && - strcmp(name, "body") && - !starts_with(name, "trailers") && - !starts_with(name, "contents")) - continue; - if (!subpos) - find_subpos(buf, - &subpos, &sublen, - &bodypos, &bodylen, &nonsiglen, - &sigpos, &siglen); - - if (atom->u.contents.option == C_SUB) - v->s = copy_subject(subpos, sublen); - else if (atom->u.contents.option == C_BODY_DEP) - v->s = xmemdupz(bodypos, bodylen); - else if (atom->u.contents.option == C_BODY) - v->s = xmemdupz(bodypos, nonsiglen); - else if (atom->u.contents.option == C_SIG) - v->s = xmemdupz(sigpos, siglen); - else if (atom->u.contents.option == C_LINES) { - struct strbuf s = STRBUF_INIT; - const char *contents_end = bodylen + bodypos - siglen; - - /* Size is the length of the message after removing the signature */ - append_lines(&s, subpos, contents_end - subpos, atom->u.contents.nlines); - v->s = strbuf_detach(&s, NULL); - } else if (atom->u.contents.option == C_TRAILERS) { - struct strbuf s = STRBUF_INIT; - - /* Format the trailer info according to the trailer_opts given */ - format_trailers_from_commit(&s, subpos, &atom->u.contents.trailer_opts); - - v->s = strbuf_detach(&s, NULL); - } else if (atom->u.contents.option == C_BARE) - v->s = xstrdup(subpos); - } -} - -/* - * We want to have empty print-string for field requests - * that do not apply (e.g. "authordate" for a tag object) - */ -static void fill_missing_values(struct atom_value *val) -{ - int i; - for (i = 0; i < used_atom_cnt; i++) { - struct atom_value *v = &val[i]; - if (v->s == NULL) - v->s = xstrdup(""); - } -} - -/* - * val is a list of atom_value to hold returned values. Extract - * the values for atoms in used_atom array out of (obj, buf, sz). - * when deref is false, (obj, buf, sz) is the object that is - * pointed at by the ref itself; otherwise it is the object the - * ref (which is a tag) refers to. - */ -static void grab_values(struct atom_value *val, int deref, struct object *obj, void *buf) -{ - switch (obj->type) { - case OBJ_TAG: - grab_tag_values(val, deref, obj); - grab_sub_body_contents(val, deref, buf); - grab_person("tagger", val, deref, buf); - break; - case OBJ_COMMIT: - grab_commit_values(val, deref, obj); - grab_sub_body_contents(val, deref, buf); - grab_person("author", val, deref, buf); - grab_person("committer", val, deref, buf); - break; - case OBJ_TREE: - /* grab_tree_values(val, deref, obj, buf, sz); */ - break; - case OBJ_BLOB: - /* grab_blob_values(val, deref, obj, buf, sz); */ - break; - default: - die("Eh? Object of type %d?", obj->type); - } -} - -static inline char *copy_advance(char *dst, const char *src) -{ - while (*src) - *dst++ = *src++; - return dst; -} - -static const char *lstrip_ref_components(const char *refname, int len) -{ - long remaining = len; - const char *start = xstrdup(refname); - const char *to_free = start; - - if (len < 0) { - int i; - const char *p = refname; - - /* Find total no of '/' separated path-components */ - for (i = 0; p[i]; p[i] == '/' ? i++ : *p++) - ; - /* - * The number of components we need to strip is now - * the total minus the components to be left (Plus one - * because we count the number of '/', but the number - * of components is one more than the no of '/'). - */ - remaining = i + len + 1; - } - - while (remaining > 0) { - switch (*start++) { - case '\0': - free((char *)to_free); - return xstrdup(""); - case '/': - remaining--; - break; - } - } - - start = xstrdup(start); - free((char *)to_free); - return start; -} - -static const char *rstrip_ref_components(const char *refname, int len) -{ - long remaining = len; - const char *start = xstrdup(refname); - const char *to_free = start; - - if (len < 0) { - int i; - const char *p = refname; - - /* Find total no of '/' separated path-components */ - for (i = 0; p[i]; p[i] == '/' ? i++ : *p++) - ; - /* - * The number of components we need to strip is now - * the total minus the components to be left (Plus one - * because we count the number of '/', but the number - * of components is one more than the no of '/'). - */ - remaining = i + len + 1; - } - - while (remaining-- > 0) { - char *p = strrchr(start, '/'); - if (p == NULL) { - free((char *)to_free); - return xstrdup(""); - } else - p[0] = '\0'; - } - return start; -} - -static const char *show_ref(struct refname_atom *atom, const char *refname) -{ - if (atom->option == R_SHORT) - return shorten_unambiguous_ref(refname, warn_ambiguous_refs); - else if (atom->option == R_LSTRIP) - return lstrip_ref_components(refname, atom->lstrip); - else if (atom->option == R_RSTRIP) - return rstrip_ref_components(refname, atom->rstrip); - else - return xstrdup(refname); -} - -static void fill_remote_ref_details(struct used_atom *atom, const char *refname, - struct branch *branch, const char **s) -{ - int num_ours, num_theirs; - if (atom->u.remote_ref.option == RR_REF) - *s = show_ref(&atom->u.remote_ref.refname, refname); - else if (atom->u.remote_ref.option == RR_TRACK) { - if (stat_tracking_info(branch, &num_ours, &num_theirs, - NULL, atom->u.remote_ref.push, - AHEAD_BEHIND_FULL) < 0) { - *s = xstrdup(msgs.gone); - } else if (!num_ours && !num_theirs) - *s = xstrdup(""); - else if (!num_ours) - *s = xstrfmt(msgs.behind, num_theirs); - else if (!num_theirs) - *s = xstrfmt(msgs.ahead, num_ours); - else - *s = xstrfmt(msgs.ahead_behind, - num_ours, num_theirs); - if (!atom->u.remote_ref.nobracket && *s[0]) { - const char *to_free = *s; - *s = xstrfmt("[%s]", *s); - free((void *)to_free); - } - } else if (atom->u.remote_ref.option == RR_TRACKSHORT) { - if (stat_tracking_info(branch, &num_ours, &num_theirs, - NULL, atom->u.remote_ref.push, - AHEAD_BEHIND_FULL) < 0) { - *s = xstrdup(""); - return; - } - if (!num_ours && !num_theirs) - *s = xstrdup("="); - else if (!num_ours) - *s = xstrdup("<"); - else if (!num_theirs) - *s = xstrdup(">"); - else - *s = xstrdup("<>"); - } else if (atom->u.remote_ref.option == RR_REMOTE_NAME) { - int explicit; - const char *remote = atom->u.remote_ref.push ? - pushremote_for_branch(branch, &explicit) : - remote_for_branch(branch, &explicit); - *s = xstrdup(explicit ? remote : ""); - } else if (atom->u.remote_ref.option == RR_REMOTE_REF) { - int explicit; - const char *merge; - - merge = remote_ref_for_branch(branch, atom->u.remote_ref.push, - &explicit); - *s = xstrdup(explicit ? merge : ""); - } else - BUG("unhandled RR_* enum"); -} - -char *get_head_description(void) -{ - struct strbuf desc = STRBUF_INIT; - struct wt_status_state state; - memset(&state, 0, sizeof(state)); - wt_status_get_state(the_repository, &state, 1); - - /* - * The ( character must be hard-coded and not part of a localizable - * string, since the description is used as a sort key and compared - * with ref names. - */ - strbuf_addch(&desc, '('); - if (state.rebase_in_progress || - state.rebase_interactive_in_progress) { - if (state.branch) - strbuf_addf(&desc, _("no branch, rebasing %s"), - state.branch); - else - strbuf_addf(&desc, _("no branch, rebasing detached HEAD %s"), - state.detached_from); - } else if (state.bisect_in_progress) - strbuf_addf(&desc, _("no branch, bisect started on %s"), - state.branch); - else if (state.detached_from) { - if (state.detached_at) - strbuf_addstr(&desc, HEAD_DETACHED_AT); - else - strbuf_addstr(&desc, HEAD_DETACHED_FROM); - strbuf_addstr(&desc, state.detached_from); - } - else - strbuf_addstr(&desc, _("no branch")); - strbuf_addch(&desc, ')'); - - free(state.branch); - free(state.onto); - free(state.detached_from); - return strbuf_detach(&desc, NULL); -} - -static const char *get_symref(struct used_atom *atom, struct ref_array_item *ref) -{ - if (!ref->symref) - return xstrdup(""); - else - return show_ref(&atom->u.refname, ref->symref); -} - -static const char *get_refname(struct used_atom *atom, struct ref_array_item *ref) -{ - if (ref->kind & FILTER_REFS_DETACHED_HEAD) - return get_head_description(); - return show_ref(&atom->u.refname, ref->refname); -} - -static int get_object(struct ref_array_item *ref, int deref, struct object **obj, - struct expand_data *oi, struct strbuf *err) -{ - /* parse_object_buffer() will set eaten to 0 if free() will be needed */ - int eaten = 1; - if (oi->info.contentp) { - /* We need to know that to use parse_object_buffer properly */ - oi->info.sizep = &oi->size; - oi->info.typep = &oi->type; - } - if (oid_object_info_extended(the_repository, &oi->oid, &oi->info, - OBJECT_INFO_LOOKUP_REPLACE)) - return strbuf_addf_ret(err, -1, _("missing object %s for %s"), - oid_to_hex(&oi->oid), ref->refname); - if (oi->info.disk_sizep && oi->disk_size < 0) - BUG("Object size is less than zero."); - - if (oi->info.contentp) { - *obj = parse_object_buffer(the_repository, &oi->oid, oi->type, oi->size, oi->content, &eaten); - if (!obj) { - if (!eaten) - free(oi->content); - return strbuf_addf_ret(err, -1, _("parse_object_buffer failed on %s for %s"), - oid_to_hex(&oi->oid), ref->refname); - } - grab_values(ref->value, deref, *obj, oi->content); - } - - grab_common_values(ref->value, deref, oi); - if (!eaten) - free(oi->content); - return 0; -} - -static void populate_worktree_map(struct hashmap *map, struct worktree **worktrees) -{ - int i; - - for (i = 0; worktrees[i]; i++) { - if (worktrees[i]->head_ref) { - struct ref_to_worktree_entry *entry; - entry = xmalloc(sizeof(*entry)); - entry->wt = worktrees[i]; - hashmap_entry_init(entry, strhash(worktrees[i]->head_ref)); - - hashmap_add(map, entry); - } - } -} - -static void lazy_init_worktree_map(void) -{ - if (ref_to_worktree_map.worktrees) - return; - - ref_to_worktree_map.worktrees = get_worktrees(0); - hashmap_init(&(ref_to_worktree_map.map), ref_to_worktree_map_cmpfnc, NULL, 0); - populate_worktree_map(&(ref_to_worktree_map.map), ref_to_worktree_map.worktrees); -} - -static char *get_worktree_path(const struct used_atom *atom, const struct ref_array_item *ref) -{ - struct hashmap_entry entry; - struct ref_to_worktree_entry *lookup_result; - - lazy_init_worktree_map(); - - hashmap_entry_init(&entry, strhash(ref->refname)); - lookup_result = hashmap_get(&(ref_to_worktree_map.map), &entry, ref->refname); - - if (lookup_result) - return xstrdup(lookup_result->wt->path); - else - return xstrdup(""); -} - -/* - * Parse the object referred by ref, and grab needed value. - */ -static int populate_value(struct ref_array_item *ref, struct strbuf *err) -{ - struct object *obj; - int i; - struct object_info empty = OBJECT_INFO_INIT; - - ref->value = xcalloc(used_atom_cnt, sizeof(struct atom_value)); - - if (need_symref && (ref->flag & REF_ISSYMREF) && !ref->symref) { - ref->symref = resolve_refdup(ref->refname, RESOLVE_REF_READING, - NULL, NULL); - if (!ref->symref) - ref->symref = xstrdup(""); - } - - /* Fill in specials first */ - for (i = 0; i < used_atom_cnt; i++) { - struct used_atom *atom = &used_atom[i]; - const char *name = used_atom[i].name; - struct atom_value *v = &ref->value[i]; - int deref = 0; - const char *refname; - struct branch *branch = NULL; - - v->handler = append_atom; - v->atom = atom; - - if (*name == '*') { - deref = 1; - name++; - } - - if (starts_with(name, "refname")) - refname = get_refname(atom, ref); - else if (!strcmp(name, "worktreepath")) { - if (ref->kind == FILTER_REFS_BRANCHES) - v->s = get_worktree_path(atom, ref); - else - v->s = xstrdup(""); - continue; - } - else if (starts_with(name, "symref")) - refname = get_symref(atom, ref); - else if (starts_with(name, "upstream")) { - const char *branch_name; - /* only local branches may have an upstream */ - if (!skip_prefix(ref->refname, "refs/heads/", - &branch_name)) { - v->s = xstrdup(""); - continue; - } - branch = branch_get(branch_name); - - refname = branch_get_upstream(branch, NULL); - if (refname) - fill_remote_ref_details(atom, refname, branch, &v->s); - else - v->s = xstrdup(""); - continue; - } else if (atom->u.remote_ref.push) { - const char *branch_name; - v->s = xstrdup(""); - if (!skip_prefix(ref->refname, "refs/heads/", - &branch_name)) - continue; - branch = branch_get(branch_name); - - if (atom->u.remote_ref.push_remote) - refname = NULL; - else { - refname = branch_get_push(branch, NULL); - if (!refname) - continue; - } - /* We will definitely re-init v->s on the next line. */ - free((char *)v->s); - fill_remote_ref_details(atom, refname, branch, &v->s); - continue; - } else if (starts_with(name, "color:")) { - v->s = xstrdup(atom->u.color); - continue; - } else if (!strcmp(name, "flag")) { - char buf[256], *cp = buf; - if (ref->flag & REF_ISSYMREF) - cp = copy_advance(cp, ",symref"); - if (ref->flag & REF_ISPACKED) - cp = copy_advance(cp, ",packed"); - if (cp == buf) - v->s = xstrdup(""); - else { - *cp = '\0'; - v->s = xstrdup(buf + 1); - } - continue; - } else if (!deref && grab_objectname(name, &ref->objectname, v, atom)) { - continue; - } else if (!strcmp(name, "HEAD")) { - if (atom->u.head && !strcmp(ref->refname, atom->u.head)) - v->s = xstrdup("*"); - else - v->s = xstrdup(" "); - continue; - } else if (starts_with(name, "align")) { - v->handler = align_atom_handler; - v->s = xstrdup(""); - continue; - } else if (!strcmp(name, "end")) { - v->handler = end_atom_handler; - v->s = xstrdup(""); - continue; - } else if (starts_with(name, "if")) { - const char *s; - if (skip_prefix(name, "if:", &s)) - v->s = xstrdup(s); - else - v->s = xstrdup(""); - v->handler = if_atom_handler; - continue; - } else if (!strcmp(name, "then")) { - v->handler = then_atom_handler; - v->s = xstrdup(""); - continue; - } else if (!strcmp(name, "else")) { - v->handler = else_atom_handler; - v->s = xstrdup(""); - continue; - } else - continue; - - if (!deref) - v->s = xstrdup(refname); - else - v->s = xstrfmt("%s^{}", refname); - free((char *)refname); - } - - for (i = 0; i < used_atom_cnt; i++) { - struct atom_value *v = &ref->value[i]; - if (v->s == NULL && used_atom[i].source == SOURCE_NONE) - return strbuf_addf_ret(err, -1, _("missing object %s for %s"), - oid_to_hex(&ref->objectname), ref->refname); - } - - if (need_tagged) - oi.info.contentp = &oi.content; - if (!memcmp(&oi.info, &empty, sizeof(empty)) && - !memcmp(&oi_deref.info, &empty, sizeof(empty))) - return 0; - - - oi.oid = ref->objectname; - if (get_object(ref, 0, &obj, &oi, err)) - return -1; - - /* - * If there is no atom that wants to know about tagged - * object, we are done. - */ - if (!need_tagged || (obj->type != OBJ_TAG)) - return 0; - - /* - * If it is a tag object, see if we use a value that derefs - * the object, and if we do grab the object it refers to. - */ - oi_deref.oid = ((struct tag *)obj)->tagged->oid; - - /* - * NEEDSWORK: This derefs tag only once, which - * is good to deal with chains of trust, but - * is not consistent with what deref_tag() does - * which peels the onion to the core. - */ - return get_object(ref, 1, &obj, &oi_deref, err); -} - -/* - * Given a ref, return the value for the atom. This lazily gets value - * out of the object by calling populate value. - */ -static int get_ref_atom_value(struct ref_array_item *ref, int atom, - struct atom_value **v, struct strbuf *err) -{ - if (!ref->value) { - if (populate_value(ref, err)) - return -1; - fill_missing_values(ref->value); - } - *v = &ref->value[atom]; - return 0; -} - -/* - * Return 1 if the refname matches one of the patterns, otherwise 0. - * A pattern can be a literal prefix (e.g. a refname "refs/heads/master" - * matches a pattern "refs/heads/mas") or a wildcard (e.g. the same ref - * matches "refs/heads/mas*", too). - */ -static int match_pattern(const struct ref_filter *filter, const char *refname) -{ - const char **patterns = filter->name_patterns; - unsigned flags = 0; - - if (filter->ignore_case) - flags |= WM_CASEFOLD; - - /* - * When no '--format' option is given we need to skip the prefix - * for matching refs of tags and branches. - */ - (void)(skip_prefix(refname, "refs/tags/", &refname) || - skip_prefix(refname, "refs/heads/", &refname) || - skip_prefix(refname, "refs/remotes/", &refname) || - skip_prefix(refname, "refs/", &refname)); - - for (; *patterns; patterns++) { - if (!wildmatch(*patterns, refname, flags)) - return 1; - } - return 0; -} - -/* - * Return 1 if the refname matches one of the patterns, otherwise 0. - * A pattern can be path prefix (e.g. a refname "refs/heads/master" - * matches a pattern "refs/heads/" but not "refs/heads/m") or a - * wildcard (e.g. the same ref matches "refs/heads/m*", too). - */ -static int match_name_as_path(const struct ref_filter *filter, const char *refname) -{ - const char **pattern = filter->name_patterns; - int namelen = strlen(refname); - unsigned flags = WM_PATHNAME; - - if (filter->ignore_case) - flags |= WM_CASEFOLD; - - for (; *pattern; pattern++) { - const char *p = *pattern; - int plen = strlen(p); - - if ((plen <= namelen) && - !strncmp(refname, p, plen) && - (refname[plen] == '\0' || - refname[plen] == '/' || - p[plen-1] == '/')) - return 1; - if (!wildmatch(p, refname, flags)) - return 1; - } - return 0; -} - -/* Return 1 if the refname matches one of the patterns, otherwise 0. */ -static int filter_pattern_match(struct ref_filter *filter, const char *refname) -{ - if (!*filter->name_patterns) - return 1; /* No pattern always matches */ - if (filter->match_as_path) - return match_name_as_path(filter, refname); - return match_pattern(filter, refname); -} - -static int qsort_strcmp(const void *va, const void *vb) -{ - const char *a = *(const char **)va; - const char *b = *(const char **)vb; - - return strcmp(a, b); -} - -static void find_longest_prefixes_1(struct string_list *out, - struct strbuf *prefix, - const char **patterns, size_t nr) -{ - size_t i; - - for (i = 0; i < nr; i++) { - char c = patterns[i][prefix->len]; - if (!c || is_glob_special(c)) { - string_list_append(out, prefix->buf); - return; - } - } - - i = 0; - while (i < nr) { - size_t end; - - /* - * Set "end" to the index of the element _after_ the last one - * in our group. - */ - for (end = i + 1; end < nr; end++) { - if (patterns[i][prefix->len] != patterns[end][prefix->len]) - break; - } - - strbuf_addch(prefix, patterns[i][prefix->len]); - find_longest_prefixes_1(out, prefix, patterns + i, end - i); - strbuf_setlen(prefix, prefix->len - 1); - - i = end; - } -} - -static void find_longest_prefixes(struct string_list *out, - const char **patterns) -{ - struct argv_array sorted = ARGV_ARRAY_INIT; - struct strbuf prefix = STRBUF_INIT; - - argv_array_pushv(&sorted, patterns); - QSORT(sorted.argv, sorted.argc, qsort_strcmp); - - find_longest_prefixes_1(out, &prefix, sorted.argv, sorted.argc); - - argv_array_clear(&sorted); - strbuf_release(&prefix); -} - -/* - * This is the same as for_each_fullref_in(), but it tries to iterate - * only over the patterns we'll care about. Note that it _doesn't_ do a full - * pattern match, so the callback still has to match each ref individually. - */ -static int for_each_fullref_in_pattern(struct ref_filter *filter, - each_ref_fn cb, - void *cb_data, - int broken) -{ - struct string_list prefixes = STRING_LIST_INIT_DUP; - struct string_list_item *prefix; - int ret; - - if (!filter->match_as_path) { - /* - * in this case, the patterns are applied after - * prefixes like "refs/heads/" etc. are stripped off, - * so we have to look at everything: - */ - return for_each_fullref_in("", cb, cb_data, broken); - } - - if (filter->ignore_case) { - /* - * we can't handle case-insensitive comparisons, - * so just return everything and let the caller - * sort it out. - */ - return for_each_fullref_in("", cb, cb_data, broken); - } - - if (!filter->name_patterns[0]) { - /* no patterns; we have to look at everything */ - return for_each_fullref_in("", cb, cb_data, broken); - } - - find_longest_prefixes(&prefixes, filter->name_patterns); - - for_each_string_list_item(prefix, &prefixes) { - ret = for_each_fullref_in(prefix->string, cb, cb_data, broken); - if (ret) - break; - } - - string_list_clear(&prefixes, 0); - return ret; -} - -/* - * Given a ref (sha1, refname), check if the ref belongs to the array - * of sha1s. If the given ref is a tag, check if the given tag points - * at one of the sha1s in the given sha1 array. - * the given sha1_array. - * NEEDSWORK: - * 1. Only a single level of inderection is obtained, we might want to - * change this to account for multiple levels (e.g. annotated tags - * pointing to annotated tags pointing to a commit.) - * 2. As the refs are cached we might know what refname peels to without - * the need to parse the object via parse_object(). peel_ref() might be a - * more efficient alternative to obtain the pointee. - */ -static const struct object_id *match_points_at(struct oid_array *points_at, - const struct object_id *oid, - const char *refname) -{ - const struct object_id *tagged_oid = NULL; - struct object *obj; - - if (oid_array_lookup(points_at, oid) >= 0) - return oid; - obj = parse_object(the_repository, oid); - if (!obj) - die(_("malformed object at '%s'"), refname); - if (obj->type == OBJ_TAG) - tagged_oid = &((struct tag *)obj)->tagged->oid; - if (tagged_oid && oid_array_lookup(points_at, tagged_oid) >= 0) - return tagged_oid; - return NULL; -} - -/* - * Allocate space for a new ref_array_item and copy the name and oid to it. - * - * Callers can then fill in other struct members at their leisure. - */ -static struct ref_array_item *new_ref_array_item(const char *refname, - const struct object_id *oid) -{ - struct ref_array_item *ref; - - FLEX_ALLOC_STR(ref, refname, refname); - oidcpy(&ref->objectname, oid); - - return ref; -} - -struct ref_array_item *ref_array_push(struct ref_array *array, - const char *refname, - const struct object_id *oid) -{ - struct ref_array_item *ref = new_ref_array_item(refname, oid); - - ALLOC_GROW(array->items, array->nr + 1, array->alloc); - array->items[array->nr++] = ref; - - return ref; -} - -static int ref_kind_from_refname(const char *refname) -{ - unsigned int i; - - static struct { - const char *prefix; - unsigned int kind; - } ref_kind[] = { - { "refs/heads/" , FILTER_REFS_BRANCHES }, - { "refs/remotes/" , FILTER_REFS_REMOTES }, - { "refs/tags/", FILTER_REFS_TAGS} - }; - - if (!strcmp(refname, "HEAD")) - return FILTER_REFS_DETACHED_HEAD; - - for (i = 0; i < ARRAY_SIZE(ref_kind); i++) { - if (starts_with(refname, ref_kind[i].prefix)) - return ref_kind[i].kind; - } - - return FILTER_REFS_OTHERS; -} - -static int filter_ref_kind(struct ref_filter *filter, const char *refname) -{ - if (filter->kind == FILTER_REFS_BRANCHES || - filter->kind == FILTER_REFS_REMOTES || - filter->kind == FILTER_REFS_TAGS) - return filter->kind; - return ref_kind_from_refname(refname); -} - -struct ref_filter_cbdata { - struct ref_array *array; - struct ref_filter *filter; - struct contains_cache contains_cache; - struct contains_cache no_contains_cache; -}; - -/* - * A call-back given to for_each_ref(). Filter refs and keep them for - * later object processing. - */ -static int ref_filter_handler(const char *refname, const struct object_id *oid, int flag, void *cb_data) -{ - struct ref_filter_cbdata *ref_cbdata = cb_data; - struct ref_filter *filter = ref_cbdata->filter; - struct ref_array_item *ref; - struct commit *commit = NULL; - unsigned int kind; - - if (flag & REF_BAD_NAME) { - warning(_("ignoring ref with broken name %s"), refname); - return 0; - } - - if (flag & REF_ISBROKEN) { - warning(_("ignoring broken ref %s"), refname); - return 0; - } - - /* Obtain the current ref kind from filter_ref_kind() and ignore unwanted refs. */ - kind = filter_ref_kind(filter, refname); - if (!(kind & filter->kind)) - return 0; - - if (!filter_pattern_match(filter, refname)) - return 0; - - if (filter->points_at.nr && !match_points_at(&filter->points_at, oid, refname)) - return 0; - - /* - * A merge filter is applied on refs pointing to commits. Hence - * obtain the commit using the 'oid' available and discard all - * non-commits early. The actual filtering is done later. - */ - if (filter->merge_commit || filter->with_commit || filter->no_commit || filter->verbose) { - commit = lookup_commit_reference_gently(the_repository, oid, - 1); - if (!commit) - return 0; - /* We perform the filtering for the '--contains' option... */ - if (filter->with_commit && - !commit_contains(filter, commit, filter->with_commit, &ref_cbdata->contains_cache)) - return 0; - /* ...or for the `--no-contains' option */ - if (filter->no_commit && - commit_contains(filter, commit, filter->no_commit, &ref_cbdata->no_contains_cache)) - return 0; - } - - /* - * We do not open the object yet; sort may only need refname - * to do its job and the resulting list may yet to be pruned - * by maxcount logic. - */ - ref = ref_array_push(ref_cbdata->array, refname, oid); - ref->commit = commit; - ref->flag = flag; - ref->kind = kind; - - return 0; -} - -/* Free memory allocated for a ref_array_item */ -static void free_array_item(struct ref_array_item *item) -{ - free((char *)item->symref); - if (item->value) { - int i; - for (i = 0; i < used_atom_cnt; i++) - free((char *)item->value[i].s); - free(item->value); - } - free(item); -} - -/* Free all memory allocated for ref_array */ -void ref_array_clear(struct ref_array *array) -{ - int i; - - for (i = 0; i < array->nr; i++) - free_array_item(array->items[i]); - FREE_AND_NULL(array->items); - array->nr = array->alloc = 0; - - for (i = 0; i < used_atom_cnt; i++) - free((char *)used_atom[i].name); - FREE_AND_NULL(used_atom); - used_atom_cnt = 0; - - if (ref_to_worktree_map.worktrees) { - hashmap_free(&(ref_to_worktree_map.map), 1); - free_worktrees(ref_to_worktree_map.worktrees); - ref_to_worktree_map.worktrees = NULL; - } -} - -static void do_merge_filter(struct ref_filter_cbdata *ref_cbdata) -{ - struct rev_info revs; - int i, old_nr; - struct ref_filter *filter = ref_cbdata->filter; - struct ref_array *array = ref_cbdata->array; - struct commit **to_clear = xcalloc(sizeof(struct commit *), array->nr); - - repo_init_revisions(the_repository, &revs, NULL); - - for (i = 0; i < array->nr; i++) { - struct ref_array_item *item = array->items[i]; - add_pending_object(&revs, &item->commit->object, item->refname); - to_clear[i] = item->commit; - } - - filter->merge_commit->object.flags |= UNINTERESTING; - add_pending_object(&revs, &filter->merge_commit->object, ""); - - revs.limited = 1; - if (prepare_revision_walk(&revs)) - die(_("revision walk setup failed")); - - old_nr = array->nr; - array->nr = 0; - - for (i = 0; i < old_nr; i++) { - struct ref_array_item *item = array->items[i]; - struct commit *commit = item->commit; - - int is_merged = !!(commit->object.flags & UNINTERESTING); - - if (is_merged == (filter->merge == REF_FILTER_MERGED_INCLUDE)) - array->items[array->nr++] = array->items[i]; - else - free_array_item(item); - } - - clear_commit_marks_many(old_nr, to_clear, ALL_REV_FLAGS); - clear_commit_marks(filter->merge_commit, ALL_REV_FLAGS); - free(to_clear); -} - -/* - * API for filtering a set of refs. Based on the type of refs the user - * has requested, we iterate through those refs and apply filters - * as per the given ref_filter structure and finally store the - * filtered refs in the ref_array structure. - */ -int filter_refs(struct ref_array *array, struct ref_filter *filter, unsigned int type) -{ - struct ref_filter_cbdata ref_cbdata; - int ret = 0; - unsigned int broken = 0; - - ref_cbdata.array = array; - ref_cbdata.filter = filter; - - if (type & FILTER_REFS_INCLUDE_BROKEN) - broken = 1; - filter->kind = type & FILTER_REFS_KIND_MASK; - - init_contains_cache(&ref_cbdata.contains_cache); - init_contains_cache(&ref_cbdata.no_contains_cache); - - /* Simple per-ref filtering */ - if (!filter->kind) - die("filter_refs: invalid type"); - else { - /* - * For common cases where we need only branches or remotes or tags, - * we only iterate through those refs. If a mix of refs is needed, - * we iterate over all refs and filter out required refs with the help - * of filter_ref_kind(). - */ - if (filter->kind == FILTER_REFS_BRANCHES) - ret = for_each_fullref_in("refs/heads/", ref_filter_handler, &ref_cbdata, broken); - else if (filter->kind == FILTER_REFS_REMOTES) - ret = for_each_fullref_in("refs/remotes/", ref_filter_handler, &ref_cbdata, broken); - else if (filter->kind == FILTER_REFS_TAGS) - ret = for_each_fullref_in("refs/tags/", ref_filter_handler, &ref_cbdata, broken); - else if (filter->kind & FILTER_REFS_ALL) - ret = for_each_fullref_in_pattern(filter, ref_filter_handler, &ref_cbdata, broken); - if (!ret && (filter->kind & FILTER_REFS_DETACHED_HEAD)) - head_ref(ref_filter_handler, &ref_cbdata); - } - - clear_contains_cache(&ref_cbdata.contains_cache); - clear_contains_cache(&ref_cbdata.no_contains_cache); - - /* Filters that need revision walking */ - if (filter->merge_commit) - do_merge_filter(&ref_cbdata); - - return ret; -} - -static int cmp_ref_sorting(struct ref_sorting *s, struct ref_array_item *a, struct ref_array_item *b) -{ - struct atom_value *va, *vb; - int cmp; - cmp_type cmp_type = used_atom[s->atom].type; - int (*cmp_fn)(const char *, const char *); - struct strbuf err = STRBUF_INIT; - - if (get_ref_atom_value(a, s->atom, &va, &err)) - die("%s", err.buf); - if (get_ref_atom_value(b, s->atom, &vb, &err)) - die("%s", err.buf); - strbuf_release(&err); - cmp_fn = s->ignore_case ? strcasecmp : strcmp; - if (s->version) - cmp = versioncmp(va->s, vb->s); - else if (cmp_type == FIELD_STR) - cmp = cmp_fn(va->s, vb->s); - else { - if (va->value < vb->value) - cmp = -1; - else if (va->value == vb->value) - cmp = cmp_fn(a->refname, b->refname); - else - cmp = 1; - } - - return (s->reverse) ? -cmp : cmp; -} - -static int compare_refs(const void *a_, const void *b_, void *ref_sorting) -{ - struct ref_array_item *a = *((struct ref_array_item **)a_); - struct ref_array_item *b = *((struct ref_array_item **)b_); - struct ref_sorting *s; - - for (s = ref_sorting; s; s = s->next) { - int cmp = cmp_ref_sorting(s, a, b); - if (cmp) - return cmp; - } - return 0; -} - -void ref_array_sort(struct ref_sorting *sorting, struct ref_array *array) -{ - QSORT_S(array->items, array->nr, compare_refs, sorting); -} - -static void append_literal(const char *cp, const char *ep, struct ref_formatting_state *state) -{ - struct strbuf *s = &state->stack->output; - - while (*cp && (!ep || cp < ep)) { - if (*cp == '%') { - if (cp[1] == '%') - cp++; - else { - int ch = hex2chr(cp + 1); - if (0 <= ch) { - strbuf_addch(s, ch); - cp += 3; - continue; - } - } - } - strbuf_addch(s, *cp); - cp++; - } -} - -int format_ref_array_item(struct ref_array_item *info, - const struct ref_format *format, - struct strbuf *final_buf, - struct strbuf *error_buf) -{ - const char *cp, *sp, *ep; - struct ref_formatting_state state = REF_FORMATTING_STATE_INIT; - - state.quote_style = format->quote_style; - push_stack_element(&state.stack); - - for (cp = format->format; *cp && (sp = find_next(cp)); cp = ep + 1) { - struct atom_value *atomv; - int pos; - - ep = strchr(sp, ')'); - if (cp < sp) - append_literal(cp, sp, &state); - pos = parse_ref_filter_atom(format, sp + 2, ep, error_buf); - if (pos < 0 || get_ref_atom_value(info, pos, &atomv, error_buf) || - atomv->handler(atomv, &state, error_buf)) { - pop_stack_element(&state.stack); - return -1; - } - } - if (*cp) { - sp = cp + strlen(cp); - append_literal(cp, sp, &state); - } - if (format->need_color_reset_at_eol) { - struct atom_value resetv; - resetv.s = GIT_COLOR_RESET; - if (append_atom(&resetv, &state, error_buf)) { - pop_stack_element(&state.stack); - return -1; - } - } - if (state.stack->prev) { - pop_stack_element(&state.stack); - return strbuf_addf_ret(error_buf, -1, _("format: %%(end) atom missing")); - } - strbuf_addbuf(final_buf, &state.stack->output); - pop_stack_element(&state.stack); - return 0; -} - -void show_ref_array_item(struct ref_array_item *info, - const struct ref_format *format) -{ - struct strbuf final_buf = STRBUF_INIT; - struct strbuf error_buf = STRBUF_INIT; - - if (format_ref_array_item(info, format, &final_buf, &error_buf)) - die("%s", error_buf.buf); - fwrite(final_buf.buf, 1, final_buf.len, stdout); - strbuf_release(&error_buf); - strbuf_release(&final_buf); - putchar('\n'); -} - -void pretty_print_ref(const char *name, const struct object_id *oid, - const struct ref_format *format) -{ - struct ref_array_item *ref_item; - ref_item = new_ref_array_item(name, oid); - ref_item->kind = ref_kind_from_refname(name); - show_ref_array_item(ref_item, format); - free_array_item(ref_item); -} - -static int parse_sorting_atom(const char *atom) -{ - /* - * This parses an atom using a dummy ref_format, since we don't - * actually care about the formatting details. - */ - struct ref_format dummy = REF_FORMAT_INIT; - const char *end = atom + strlen(atom); - struct strbuf err = STRBUF_INIT; - int res = parse_ref_filter_atom(&dummy, atom, end, &err); - if (res < 0) - die("%s", err.buf); - strbuf_release(&err); - return res; -} - -/* If no sorting option is given, use refname to sort as default */ -struct ref_sorting *ref_default_sorting(void) -{ - static const char cstr_name[] = "refname"; - - struct ref_sorting *sorting = xcalloc(1, sizeof(*sorting)); - - sorting->next = NULL; - sorting->atom = parse_sorting_atom(cstr_name); - return sorting; -} - -void parse_ref_sorting(struct ref_sorting **sorting_tail, const char *arg) -{ - struct ref_sorting *s; - - s = xcalloc(1, sizeof(*s)); - s->next = *sorting_tail; - *sorting_tail = s; - - if (*arg == '-') { - s->reverse = 1; - arg++; - } - if (skip_prefix(arg, "version:", &arg) || - skip_prefix(arg, "v:", &arg)) - s->version = 1; - s->atom = parse_sorting_atom(arg); -} - -int parse_opt_ref_sorting(const struct option *opt, const char *arg, int unset) -{ - /* - * NEEDSWORK: We should probably clear the list in this case, but we've - * already munged the global used_atoms list, which would need to be - * undone. - */ - BUG_ON_OPT_NEG(unset); - - parse_ref_sorting(opt->value, arg); - return 0; -} - -int parse_opt_merge_filter(const struct option *opt, const char *arg, int unset) -{ - struct ref_filter *rf = opt->value; - struct object_id oid; - int no_merged = starts_with(opt->long_name, "no"); - - BUG_ON_OPT_NEG(unset); - - if (rf->merge) { - if (no_merged) { - return error(_("option `%s' is incompatible with --merged"), - opt->long_name); - } else { - return error(_("option `%s' is incompatible with --no-merged"), - opt->long_name); - } - } - - rf->merge = no_merged - ? REF_FILTER_MERGED_OMIT - : REF_FILTER_MERGED_INCLUDE; - - if (get_oid(arg, &oid)) - die(_("malformed object name %s"), arg); - - rf->merge_commit = lookup_commit_reference_gently(the_repository, - &oid, 0); - if (!rf->merge_commit) - return error(_("option `%s' must point to a commit"), opt->long_name); - - return 0; -} |