1 files changed, 0 insertions, 724 deletions

diff --git a/third_party/git/help.c b/third_party/git/help.c
deleted file mode 100644
index 919cbb9206ae..000000000000
--- a/third_party/git/help.c
+++ /dev/null
@@ -1,724 +0,0 @@
-#include "cache.h"
-#include "config.h"
-#include "builtin.h"
-#include "exec-cmd.h"
-#include "run-command.h"
-#include "levenshtein.h"
-#include "help.h"
-#include "command-list.h"
-#include "string-list.h"
-#include "column.h"
-#include "version.h"
-#include "refs.h"
-#include "parse-options.h"
-
-struct category_description {
-	uint32_t category;
-	const char *desc;
-};
-static uint32_t common_mask =
-	CAT_init | CAT_worktree | CAT_info |
-	CAT_history | CAT_remote;
-static struct category_description common_categories[] = {
-	{ CAT_init, N_("start a working area (see also: git help tutorial)") },
-	{ CAT_worktree, N_("work on the current change (see also: git help everyday)") },
-	{ CAT_info, N_("examine the history and state (see also: git help revisions)") },
-	{ CAT_history, N_("grow, mark and tweak your common history") },
-	{ CAT_remote, N_("collaborate (see also: git help workflows)") },
-	{ 0, NULL }
-};
-static struct category_description main_categories[] = {
-	{ CAT_mainporcelain, N_("Main Porcelain Commands") },
-	{ CAT_ancillarymanipulators, N_("Ancillary Commands / Manipulators") },
-	{ CAT_ancillaryinterrogators, N_("Ancillary Commands / Interrogators") },
-	{ CAT_foreignscminterface, N_("Interacting with Others") },
-	{ CAT_plumbingmanipulators, N_("Low-level Commands / Manipulators") },
-	{ CAT_plumbinginterrogators, N_("Low-level Commands / Interrogators") },
-	{ CAT_synchingrepositories, N_("Low-level Commands / Syncing Repositories") },
-	{ CAT_purehelpers, N_("Low-level Commands / Internal Helpers") },
-	{ 0, NULL }
-};
-
-static const char *drop_prefix(const char *name, uint32_t category)
-{
-	const char *new_name;
-
-	if (skip_prefix(name, "git-", &new_name))
-		return new_name;
-	if (category == CAT_guide && skip_prefix(name, "git", &new_name))
-		return new_name;
-	return name;
-
-}
-
-static void extract_cmds(struct cmdname_help **p_cmds, uint32_t mask)
-{
-	int i, nr = 0;
-	struct cmdname_help *cmds;
-
-	if (ARRAY_SIZE(command_list) == 0)
-		BUG("empty command_list[] is a sign of broken generate-cmdlist.sh");
-
-	ALLOC_ARRAY(cmds, ARRAY_SIZE(command_list) + 1);
-
-	for (i = 0; i < ARRAY_SIZE(command_list); i++) {
-		const struct cmdname_help *cmd = command_list + i;
-
-		if (!(cmd->category & mask))
-			continue;
-
-		cmds[nr] = *cmd;
-		cmds[nr].name = drop_prefix(cmd->name, cmd->category);
-
-		nr++;
-	}
-	cmds[nr].name = NULL;
-	*p_cmds = cmds;
-}
-
-static void print_command_list(const struct cmdname_help *cmds,
-			       uint32_t mask, int longest)
-{
-	int i;
-
-	for (i = 0; cmds[i].name; i++) {
-		if (cmds[i].category & mask) {
-			size_t len = strlen(cmds[i].name);
-			printf("   %s   ", cmds[i].name);
-			if (longest > len)
-				mput_char(' ', longest - len);
-			puts(_(cmds[i].help));
-		}
-	}
-}
-
-static int cmd_name_cmp(const void *elem1, const void *elem2)
-{
-	const struct cmdname_help *e1 = elem1;
-	const struct cmdname_help *e2 = elem2;
-
-	return strcmp(e1->name, e2->name);
-}
-
-static void print_cmd_by_category(const struct category_description *catdesc,
-				  int *longest_p)
-{
-	struct cmdname_help *cmds;
-	int longest = 0;
-	int i, nr = 0;
-	uint32_t mask = 0;
-
-	for (i = 0; catdesc[i].desc; i++)
-		mask |= catdesc[i].category;
-
-	extract_cmds(&cmds, mask);
-
-	for (i = 0; cmds[i].name; i++, nr++) {
-		if (longest < strlen(cmds[i].name))
-			longest = strlen(cmds[i].name);
-	}
-	QSORT(cmds, nr, cmd_name_cmp);
-
-	for (i = 0; catdesc[i].desc; i++) {
-		uint32_t mask = catdesc[i].category;
-		const char *desc = catdesc[i].desc;
-
-		printf("\n%s\n", _(desc));
-		print_command_list(cmds, mask, longest);
-	}
-	free(cmds);
-	if (longest_p)
-		*longest_p = longest;
-}
-
-void add_cmdname(struct cmdnames *cmds, const char *name, int len)
-{
-	struct cmdname *ent;
-	FLEX_ALLOC_MEM(ent, name, name, len);
-	ent->len = len;
-
-	ALLOC_GROW(cmds->names, cmds->cnt + 1, cmds->alloc);
-	cmds->names[cmds->cnt++] = ent;
-}
-
-static void clean_cmdnames(struct cmdnames *cmds)
-{
-	int i;
-	for (i = 0; i < cmds->cnt; ++i)
-		free(cmds->names[i]);
-	free(cmds->names);
-	cmds->cnt = 0;
-	cmds->alloc = 0;
-}
-
-static int cmdname_compare(const void *a_, const void *b_)
-{
-	struct cmdname *a = *(struct cmdname **)a_;
-	struct cmdname *b = *(struct cmdname **)b_;
-	return strcmp(a->name, b->name);
-}
-
-static void uniq(struct cmdnames *cmds)
-{
-	int i, j;
-
-	if (!cmds->cnt)
-		return;
-
-	for (i = j = 1; i < cmds->cnt; i++) {
-		if (!strcmp(cmds->names[i]->name, cmds->names[j-1]->name))
-			free(cmds->names[i]);
-		else
-			cmds->names[j++] = cmds->names[i];
-	}
-
-	cmds->cnt = j;
-}
-
-void exclude_cmds(struct cmdnames *cmds, struct cmdnames *excludes)
-{
-	int ci, cj, ei;
-	int cmp;
-
-	ci = cj = ei = 0;
-	while (ci < cmds->cnt && ei < excludes->cnt) {
-		cmp = strcmp(cmds->names[ci]->name, excludes->names[ei]->name);
-		if (cmp < 0)
-			cmds->names[cj++] = cmds->names[ci++];
-		else if (cmp == 0) {
-			ei++;
-			free(cmds->names[ci++]);
-		} else if (cmp > 0)
-			ei++;
-	}
-
-	while (ci < cmds->cnt)
-		cmds->names[cj++] = cmds->names[ci++];
-
-	cmds->cnt = cj;
-}
-
-static void pretty_print_cmdnames(struct cmdnames *cmds, unsigned int colopts)
-{
-	struct string_list list = STRING_LIST_INIT_NODUP;
-	struct column_options copts;
-	int i;
-
-	for (i = 0; i < cmds->cnt; i++)
-		string_list_append(&list, cmds->names[i]->name);
-	/*
-	 * always enable column display, we only consult column.*
-	 * about layout strategy and stuff
-	 */
-	colopts = (colopts & ~COL_ENABLE_MASK) | COL_ENABLED;
-	memset(&copts, 0, sizeof(copts));
-	copts.indent = "  ";
-	copts.padding = 2;
-	print_columns(&list, colopts, &copts);
-	string_list_clear(&list, 0);
-}
-
-static void list_commands_in_dir(struct cmdnames *cmds,
-					 const char *path,
-					 const char *prefix)
-{
-	DIR *dir = opendir(path);
-	struct dirent *de;
-	struct strbuf buf = STRBUF_INIT;
-	int len;
-
-	if (!dir)
-		return;
-	if (!prefix)
-		prefix = "git-";
-
-	strbuf_addf(&buf, "%s/", path);
-	len = buf.len;
-
-	while ((de = readdir(dir)) != NULL) {
-		const char *ent;
-		size_t entlen;
-
-		if (!skip_prefix(de->d_name, prefix, &ent))
-			continue;
-
-		strbuf_setlen(&buf, len);
-		strbuf_addstr(&buf, de->d_name);
-		if (!is_executable(buf.buf))
-			continue;
-
-		entlen = strlen(ent);
-		strip_suffix(ent, ".exe", &entlen);
-
-		add_cmdname(cmds, ent, entlen);
-	}
-	closedir(dir);
-	strbuf_release(&buf);
-}
-
-void load_command_list(const char *prefix,
-		struct cmdnames *main_cmds,
-		struct cmdnames *other_cmds)
-{
-	const char *env_path = getenv("PATH");
-	const char *exec_path = git_exec_path();
-
-	load_builtin_commands(prefix, main_cmds);
-
-	if (exec_path) {
-		list_commands_in_dir(main_cmds, exec_path, prefix);
-		QSORT(main_cmds->names, main_cmds->cnt, cmdname_compare);
-		uniq(main_cmds);
-	}
-
-	if (env_path) {
-		char *paths, *path, *colon;
-		path = paths = xstrdup(env_path);
-		while (1) {
-			if ((colon = strchr(path, PATH_SEP)))
-				*colon = 0;
-			if (!exec_path || strcmp(path, exec_path))
-				list_commands_in_dir(other_cmds, path, prefix);
-
-			if (!colon)
-				break;
-			path = colon + 1;
-		}
-		free(paths);
-
-		QSORT(other_cmds->names, other_cmds->cnt, cmdname_compare);
-		uniq(other_cmds);
-	}
-	exclude_cmds(other_cmds, main_cmds);
-}
-
-void list_commands(unsigned int colopts,
-		   struct cmdnames *main_cmds, struct cmdnames *other_cmds)
-{
-	if (main_cmds->cnt) {
-		const char *exec_path = git_exec_path();
-		printf_ln(_("available git commands in '%s'"), exec_path);
-		putchar('\n');
-		pretty_print_cmdnames(main_cmds, colopts);
-		putchar('\n');
-	}
-
-	if (other_cmds->cnt) {
-		printf_ln(_("git commands available from elsewhere on your $PATH"));
-		putchar('\n');
-		pretty_print_cmdnames(other_cmds, colopts);
-		putchar('\n');
-	}
-}
-
-void list_common_cmds_help(void)
-{
-	puts(_("These are common Git commands used in various situations:"));
-	print_cmd_by_category(common_categories, NULL);
-}
-
-void list_all_main_cmds(struct string_list *list)
-{
-	struct cmdnames main_cmds, other_cmds;
-	int i;
-
-	memset(&main_cmds, 0, sizeof(main_cmds));
-	memset(&other_cmds, 0, sizeof(other_cmds));
-	load_command_list("git-", &main_cmds, &other_cmds);
-
-	for (i = 0; i < main_cmds.cnt; i++)
-		string_list_append(list, main_cmds.names[i]->name);
-
-	clean_cmdnames(&main_cmds);
-	clean_cmdnames(&other_cmds);
-}
-
-void list_all_other_cmds(struct string_list *list)
-{
-	struct cmdnames main_cmds, other_cmds;
-	int i;
-
-	memset(&main_cmds, 0, sizeof(main_cmds));
-	memset(&other_cmds, 0, sizeof(other_cmds));
-	load_command_list("git-", &main_cmds, &other_cmds);
-
-	for (i = 0; i < other_cmds.cnt; i++)
-		string_list_append(list, other_cmds.names[i]->name);
-
-	clean_cmdnames(&main_cmds);
-	clean_cmdnames(&other_cmds);
-}
-
-void list_cmds_by_category(struct string_list *list,
-			   const char *cat)
-{
-	int i, n = ARRAY_SIZE(command_list);
-	uint32_t cat_id = 0;
-
-	for (i = 0; category_names[i]; i++) {
-		if (!strcmp(cat, category_names[i])) {
-			cat_id = 1UL << i;
-			break;
-		}
-	}
-	if (!cat_id)
-		die(_("unsupported command listing type '%s'"), cat);
-
-	for (i = 0; i < n; i++) {
-		struct cmdname_help *cmd = command_list + i;
-
-		if (!(cmd->category & cat_id))
-			continue;
-		string_list_append(list, drop_prefix(cmd->name, cmd->category));
-	}
-}
-
-void list_cmds_by_config(struct string_list *list)
-{
-	const char *cmd_list;
-
-	if (git_config_get_string_tmp("completion.commands", &cmd_list))
-		return;
-
-	string_list_sort(list);
-	string_list_remove_duplicates(list, 0);
-
-	while (*cmd_list) {
-		struct strbuf sb = STRBUF_INIT;
-		const char *p = strchrnul(cmd_list, ' ');
-
-		strbuf_add(&sb, cmd_list, p - cmd_list);
-		if (sb.buf[0] == '-')
-			string_list_remove(list, sb.buf + 1, 0);
-		else
-			string_list_insert(list, sb.buf);
-		strbuf_release(&sb);
-		while (*p == ' ')
-			p++;
-		cmd_list = p;
-	}
-}
-
-void list_guides_help(void)
-{
-	struct category_description catdesc[] = {
-		{ CAT_guide, N_("The Git concept guides are:") },
-		{ 0, NULL }
-	};
-	print_cmd_by_category(catdesc, NULL);
-	putchar('\n');
-}
-
-static int get_alias(const char *var, const char *value, void *data)
-{
-	struct string_list *list = data;
-
-	if (skip_prefix(var, "alias.", &var))
-		string_list_append(list, var)->util = xstrdup(value);
-
-	return 0;
-}
-
-void list_all_cmds_help(void)
-{
-	struct string_list others = STRING_LIST_INIT_DUP;
-	struct string_list alias_list = STRING_LIST_INIT_DUP;
-	struct cmdname_help *aliases;
-	int i, longest;
-
-	printf_ln(_("See 'git help <command>' to read about a specific subcommand"));
-	print_cmd_by_category(main_categories, &longest);
-
-	list_all_other_cmds(&others);
-	if (others.nr)
-		printf("\n%s\n", _("External commands"));
-	for (i = 0; i < others.nr; i++)
-		printf("   %s\n", others.items[i].string);
-	string_list_clear(&others, 0);
-
-	git_config(get_alias, &alias_list);
-	string_list_sort(&alias_list);
-
-	for (i = 0; i < alias_list.nr; i++) {
-		size_t len = strlen(alias_list.items[i].string);
-		if (longest < len)
-			longest = len;
-	}
-
-	if (alias_list.nr) {
-		printf("\n%s\n", _("Command aliases"));
-		ALLOC_ARRAY(aliases, alias_list.nr + 1);
-		for (i = 0; i < alias_list.nr; i++) {
-			aliases[i].name = alias_list.items[i].string;
-			aliases[i].help = alias_list.items[i].util;
-			aliases[i].category = 1;
-		}
-		aliases[alias_list.nr].name = NULL;
-		print_command_list(aliases, 1, longest);
-		free(aliases);
-	}
-	string_list_clear(&alias_list, 1);
-}
-
-int is_in_cmdlist(struct cmdnames *c, const char *s)
-{
-	int i;
-	for (i = 0; i < c->cnt; i++)
-		if (!strcmp(s, c->names[i]->name))
-			return 1;
-	return 0;
-}
-
-static int autocorrect;
-static struct cmdnames aliases;
-
-static int git_unknown_cmd_config(const char *var, const char *value, void *cb)
-{
-	const char *p;
-
-	if (!strcmp(var, "help.autocorrect"))
-		autocorrect = git_config_int(var,value);
-	/* Also use aliases for command lookup */
-	if (skip_prefix(var, "alias.", &p))
-		add_cmdname(&aliases, p, strlen(p));
-
-	return git_default_config(var, value, cb);
-}
-
-static int levenshtein_compare(const void *p1, const void *p2)
-{
-	const struct cmdname *const *c1 = p1, *const *c2 = p2;
-	const char *s1 = (*c1)->name, *s2 = (*c2)->name;
-	int l1 = (*c1)->len;
-	int l2 = (*c2)->len;
-	return l1 != l2 ? l1 - l2 : strcmp(s1, s2);
-}
-
-static void add_cmd_list(struct cmdnames *cmds, struct cmdnames *old)
-{
-	int i;
-	ALLOC_GROW(cmds->names, cmds->cnt + old->cnt, cmds->alloc);
-
-	for (i = 0; i < old->cnt; i++)
-		cmds->names[cmds->cnt++] = old->names[i];
-	FREE_AND_NULL(old->names);
-	old->cnt = 0;
-}
-
-/* An empirically derived magic number */
-#define SIMILARITY_FLOOR 7
-#define SIMILAR_ENOUGH(x) ((x) < SIMILARITY_FLOOR)
-
-static const char bad_interpreter_advice[] =
-	N_("'%s' appears to be a git command, but we were not\n"
-	"able to execute it. Maybe git-%s is broken?");
-
-const char *help_unknown_cmd(const char *cmd)
-{
-	int i, n, best_similarity = 0;
-	struct cmdnames main_cmds, other_cmds;
-	struct cmdname_help *common_cmds;
-
-	memset(&main_cmds, 0, sizeof(main_cmds));
-	memset(&other_cmds, 0, sizeof(other_cmds));
-	memset(&aliases, 0, sizeof(aliases));
-
-	read_early_config(git_unknown_cmd_config, NULL);
-
-	load_command_list("git-", &main_cmds, &other_cmds);
-
-	add_cmd_list(&main_cmds, &aliases);
-	add_cmd_list(&main_cmds, &other_cmds);
-	QSORT(main_cmds.names, main_cmds.cnt, cmdname_compare);
-	uniq(&main_cmds);
-
-	extract_cmds(&common_cmds, common_mask);
-
-	/* This abuses cmdname->len for levenshtein distance */
-	for (i = 0, n = 0; i < main_cmds.cnt; i++) {
-		int cmp = 0; /* avoid compiler stupidity */
-		const char *candidate = main_cmds.names[i]->name;
-
-		/*
-		 * An exact match means we have the command, but
-		 * for some reason exec'ing it gave us ENOENT; probably
-		 * it's a bad interpreter in the #! line.
-		 */
-		if (!strcmp(candidate, cmd))
-			die(_(bad_interpreter_advice), cmd, cmd);
-
-		/* Does the candidate appear in common_cmds list? */
-		while (common_cmds[n].name &&
-		       (cmp = strcmp(common_cmds[n].name, candidate)) < 0)
-			n++;
-		if (common_cmds[n].name && !cmp) {
-			/* Yes, this is one of the common commands */
-			n++; /* use the entry from common_cmds[] */
-			if (starts_with(candidate, cmd)) {
-				/* Give prefix match a very good score */
-				main_cmds.names[i]->len = 0;
-				continue;
-			}
-		}
-
-		main_cmds.names[i]->len =
-			levenshtein(cmd, candidate, 0, 2, 1, 3) + 1;
-	}
-	FREE_AND_NULL(common_cmds);
-
-	QSORT(main_cmds.names, main_cmds.cnt, levenshtein_compare);
-
-	if (!main_cmds.cnt)
-		die(_("Uh oh. Your system reports no Git commands at all."));
-
-	/* skip and count prefix matches */
-	for (n = 0; n < main_cmds.cnt && !main_cmds.names[n]->len; n++)
-		; /* still counting */
-
-	if (main_cmds.cnt <= n) {
-		/* prefix matches with everything? that is too ambiguous */
-		best_similarity = SIMILARITY_FLOOR + 1;
-	} else {
-		/* count all the most similar ones */
-		for (best_similarity = main_cmds.names[n++]->len;
-		     (n < main_cmds.cnt &&
-		      best_similarity == main_cmds.names[n]->len);
-		     n++)
-			; /* still counting */
-	}
-	if (autocorrect && n == 1 && SIMILAR_ENOUGH(best_similarity)) {
-		const char *assumed = main_cmds.names[0]->name;
-		main_cmds.names[0] = NULL;
-		clean_cmdnames(&main_cmds);
-		fprintf_ln(stderr,
-			   _("WARNING: You called a Git command named '%s', "
-			     "which does not exist."),
-			   cmd);
-		if (autocorrect < 0)
-			fprintf_ln(stderr,
-				   _("Continuing under the assumption that "
-				     "you meant '%s'."),
-				   assumed);
-		else {
-			fprintf_ln(stderr,
-				   _("Continuing in %0.1f seconds, "
-				     "assuming that you meant '%s'."),
-				   (float)autocorrect/10.0, assumed);
-			sleep_millisec(autocorrect * 100);
-		}
-		return assumed;
-	}
-
-	fprintf_ln(stderr, _("git: '%s' is not a git command. See 'git --help'."), cmd);
-
-	if (SIMILAR_ENOUGH(best_similarity)) {
-		fprintf_ln(stderr,
-			   Q_("\nThe most similar command is",
-			      "\nThe most similar commands are",
-			   n));
-
-		for (i = 0; i < n; i++)
-			fprintf(stderr, "\t%s\n", main_cmds.names[i]->name);
-	}
-
-	exit(1);
-}
-
-void get_version_info(struct strbuf *buf, int show_build_options)
-{
-	/*
-	 * The format of this string should be kept stable for compatibility
-	 * with external projects that rely on the output of "git version".
-	 *
-	 * Always show the version, even if other options are given.
-	 */
-	strbuf_addf(buf, "git version %s\n", git_version_string);
-
-	if (show_build_options) {
-		strbuf_addf(buf, "cpu: %s\n", GIT_HOST_CPU);
-		if (git_built_from_commit_string[0])
-			strbuf_addf(buf, "built from commit: %s\n",
-			       git_built_from_commit_string);
-		else
-			strbuf_addstr(buf, "no commit associated with this build\n");
-		strbuf_addf(buf, "sizeof-long: %d\n", (int)sizeof(long));
-		strbuf_addf(buf, "sizeof-size_t: %d\n", (int)sizeof(size_t));
-		strbuf_addf(buf, "shell-path: %s\n", SHELL_PATH);
-		/* NEEDSWORK: also save and output GIT-BUILD_OPTIONS? */
-	}
-}
-
-int cmd_version(int argc, const char **argv, const char *prefix)
-{
-	struct strbuf buf = STRBUF_INIT;
-	int build_options = 0;
-	const char * const usage[] = {
-		N_("git version [<options>]"),
-		NULL
-	};
-	struct option options[] = {
-		OPT_BOOL(0, "build-options", &build_options,
-			 "also print build options"),
-		OPT_END()
-	};
-
-	argc = parse_options(argc, argv, prefix, options, usage, 0);
-
-	get_version_info(&buf, build_options);
-	printf("%s", buf.buf);
-
-	strbuf_release(&buf);
-
-	return 0;
-}
-
-struct similar_ref_cb {
-	const char *base_ref;
-	struct string_list *similar_refs;
-};
-
-static int append_similar_ref(const char *refname, const struct object_id *oid,
-			      int flags, void *cb_data)
-{
-	struct similar_ref_cb *cb = (struct similar_ref_cb *)(cb_data);
-	char *branch = strrchr(refname, '/') + 1;
-
-	/* A remote branch of the same name is deemed similar */
-	if (starts_with(refname, "refs/remotes/") &&
-	    !strcmp(branch, cb->base_ref))
-		string_list_append_nodup(cb->similar_refs,
-					 shorten_unambiguous_ref(refname, 1));
-	return 0;
-}
-
-static struct string_list guess_refs(const char *ref)
-{
-	struct similar_ref_cb ref_cb;
-	struct string_list similar_refs = STRING_LIST_INIT_DUP;
-
-	ref_cb.base_ref = ref;
-	ref_cb.similar_refs = &similar_refs;
-	for_each_ref(append_similar_ref, &ref_cb);
-	return similar_refs;
-}
-
-NORETURN void help_unknown_ref(const char *ref, const char *cmd,
-			       const char *error)
-{
-	int i;
-	struct string_list suggested_refs = guess_refs(ref);
-
-	fprintf_ln(stderr, _("%s: %s - %s"), cmd, ref, error);
-
-	if (suggested_refs.nr > 0) {
-		fprintf_ln(stderr,
-			   Q_("\nDid you mean this?",
-			      "\nDid you mean one of these?",
-			      suggested_refs.nr));
-		for (i = 0; i < suggested_refs.nr; i++)
-			fprintf(stderr, "\t%s\n", suggested_refs.items[i].string);
-	}
-
-	string_list_clear(&suggested_refs, 0);
-	exit(1);
-}