1 files changed, 0 insertions, 691 deletions

diff --git a/third_party/git/archive.c b/third_party/git/archive.c
deleted file mode 100644
index 3c1541af9e2d..000000000000
--- a/third_party/git/archive.c
+++ /dev/null
@@ -1,691 +0,0 @@
-#include "cache.h"
-#include "config.h"
-#include "refs.h"
-#include "object-store.h"
-#include "commit.h"
-#include "tree-walk.h"
-#include "attr.h"
-#include "archive.h"
-#include "parse-options.h"
-#include "unpack-trees.h"
-#include "dir.h"
-
-static char const * const archive_usage[] = {
-	N_("git archive [<options>] <tree-ish> [<path>...]"),
-	N_("git archive --list"),
-	N_("git archive --remote <repo> [--exec <cmd>] [<options>] <tree-ish> [<path>...]"),
-	N_("git archive --remote <repo> [--exec <cmd>] --list"),
-	NULL
-};
-
-static const struct archiver **archivers;
-static int nr_archivers;
-static int alloc_archivers;
-static int remote_allow_unreachable;
-
-void register_archiver(struct archiver *ar)
-{
-	ALLOC_GROW(archivers, nr_archivers + 1, alloc_archivers);
-	archivers[nr_archivers++] = ar;
-}
-
-void init_archivers(void)
-{
-	init_tar_archiver();
-	init_zip_archiver();
-}
-
-static void format_subst(const struct commit *commit,
-			 const char *src, size_t len,
-			 struct strbuf *buf)
-{
-	char *to_free = NULL;
-	struct strbuf fmt = STRBUF_INIT;
-	struct pretty_print_context ctx = {0};
-	ctx.date_mode.type = DATE_NORMAL;
-	ctx.abbrev = DEFAULT_ABBREV;
-
-	if (src == buf->buf)
-		to_free = strbuf_detach(buf, NULL);
-	for (;;) {
-		const char *b, *c;
-
-		b = memmem(src, len, "$Format:", 8);
-		if (!b)
-			break;
-		c = memchr(b + 8, '$', (src + len) - b - 8);
-		if (!c)
-			break;
-
-		strbuf_reset(&fmt);
-		strbuf_add(&fmt, b + 8, c - b - 8);
-
-		strbuf_add(buf, src, b - src);
-		format_commit_message(commit, fmt.buf, buf, &ctx);
-		len -= c + 1 - src;
-		src  = c + 1;
-	}
-	strbuf_add(buf, src, len);
-	strbuf_release(&fmt);
-	free(to_free);
-}
-
-static void *object_file_to_archive(const struct archiver_args *args,
-				    const char *path,
-				    const struct object_id *oid,
-				    unsigned int mode,
-				    enum object_type *type,
-				    unsigned long *sizep)
-{
-	void *buffer;
-	const struct commit *commit = args->convert ? args->commit : NULL;
-	struct checkout_metadata meta;
-
-	init_checkout_metadata(&meta, args->refname,
-			       args->commit_oid ? args->commit_oid :
-			       (args->tree ? &args->tree->object.oid : NULL), oid);
-
-	path += args->baselen;
-	buffer = read_object_file(oid, type, sizep);
-	if (buffer && S_ISREG(mode)) {
-		struct strbuf buf = STRBUF_INIT;
-		size_t size = 0;
-
-		strbuf_attach(&buf, buffer, *sizep, *sizep + 1);
-		convert_to_working_tree(args->repo->index, path, buf.buf, buf.len, &buf, &meta);
-		if (commit)
-			format_subst(commit, buf.buf, buf.len, &buf);
-		buffer = strbuf_detach(&buf, &size);
-		*sizep = size;
-	}
-
-	return buffer;
-}
-
-struct directory {
-	struct directory *up;
-	struct object_id oid;
-	int baselen, len;
-	unsigned mode;
-	int stage;
-	char path[FLEX_ARRAY];
-};
-
-struct archiver_context {
-	struct archiver_args *args;
-	write_archive_entry_fn_t write_entry;
-	struct directory *bottom;
-};
-
-static const struct attr_check *get_archive_attrs(struct index_state *istate,
-						  const char *path)
-{
-	static struct attr_check *check;
-	if (!check)
-		check = attr_check_initl("export-ignore", "export-subst", NULL);
-	git_check_attr(istate, path, check);
-	return check;
-}
-
-static int check_attr_export_ignore(const struct attr_check *check)
-{
-	return check && ATTR_TRUE(check->items[0].value);
-}
-
-static int check_attr_export_subst(const struct attr_check *check)
-{
-	return check && ATTR_TRUE(check->items[1].value);
-}
-
-static int write_archive_entry(const struct object_id *oid, const char *base,
-		int baselen, const char *filename, unsigned mode, int stage,
-		void *context)
-{
-	static struct strbuf path = STRBUF_INIT;
-	struct archiver_context *c = context;
-	struct archiver_args *args = c->args;
-	write_archive_entry_fn_t write_entry = c->write_entry;
-	int err;
-	const char *path_without_prefix;
-	unsigned long size;
-	void *buffer;
-	enum object_type type;
-
-	args->convert = 0;
-	strbuf_reset(&path);
-	strbuf_grow(&path, PATH_MAX);
-	strbuf_add(&path, args->base, args->baselen);
-	strbuf_add(&path, base, baselen);
-	strbuf_addstr(&path, filename);
-	if (S_ISDIR(mode) || S_ISGITLINK(mode))
-		strbuf_addch(&path, '/');
-	path_without_prefix = path.buf + args->baselen;
-
-	if (!S_ISDIR(mode)) {
-		const struct attr_check *check;
-		check = get_archive_attrs(args->repo->index, path_without_prefix);
-		if (check_attr_export_ignore(check))
-			return 0;
-		args->convert = check_attr_export_subst(check);
-	}
-
-	if (S_ISDIR(mode) || S_ISGITLINK(mode)) {
-		if (args->verbose)
-			fprintf(stderr, "%.*s\n", (int)path.len, path.buf);
-		err = write_entry(args, oid, path.buf, path.len, mode, NULL, 0);
-		if (err)
-			return err;
-		return (S_ISDIR(mode) ? READ_TREE_RECURSIVE : 0);
-	}
-
-	if (args->verbose)
-		fprintf(stderr, "%.*s\n", (int)path.len, path.buf);
-
-	/* Stream it? */
-	if (S_ISREG(mode) && !args->convert &&
-	    oid_object_info(args->repo, oid, &size) == OBJ_BLOB &&
-	    size > big_file_threshold)
-		return write_entry(args, oid, path.buf, path.len, mode, NULL, size);
-
-	buffer = object_file_to_archive(args, path.buf, oid, mode, &type, &size);
-	if (!buffer)
-		return error(_("cannot read %s"), oid_to_hex(oid));
-	err = write_entry(args, oid, path.buf, path.len, mode, buffer, size);
-	free(buffer);
-	return err;
-}
-
-static void queue_directory(const unsigned char *sha1,
-		struct strbuf *base, const char *filename,
-		unsigned mode, int stage, struct archiver_context *c)
-{
-	struct directory *d;
-	size_t len = st_add4(base->len, 1, strlen(filename), 1);
-	d = xmalloc(st_add(sizeof(*d), len));
-	d->up	   = c->bottom;
-	d->baselen = base->len;
-	d->mode	   = mode;
-	d->stage   = stage;
-	c->bottom  = d;
-	d->len = xsnprintf(d->path, len, "%.*s%s/", (int)base->len, base->buf, filename);
-	hashcpy(d->oid.hash, sha1);
-}
-
-static int write_directory(struct archiver_context *c)
-{
-	struct directory *d = c->bottom;
-	int ret;
-
-	if (!d)
-		return 0;
-	c->bottom = d->up;
-	d->path[d->len - 1] = '\0'; /* no trailing slash */
-	ret =
-		write_directory(c) ||
-		write_archive_entry(&d->oid, d->path, d->baselen,
-				    d->path + d->baselen, d->mode,
-				    d->stage, c) != READ_TREE_RECURSIVE;
-	free(d);
-	return ret ? -1 : 0;
-}
-
-static int queue_or_write_archive_entry(const struct object_id *oid,
-		struct strbuf *base, const char *filename,
-		unsigned mode, int stage, void *context)
-{
-	struct archiver_context *c = context;
-
-	while (c->bottom &&
-	       !(base->len >= c->bottom->len &&
-		 !strncmp(base->buf, c->bottom->path, c->bottom->len))) {
-		struct directory *next = c->bottom->up;
-		free(c->bottom);
-		c->bottom = next;
-	}
-
-	if (S_ISDIR(mode)) {
-		size_t baselen = base->len;
-		const struct attr_check *check;
-
-		/* Borrow base, but restore its original value when done. */
-		strbuf_addstr(base, filename);
-		strbuf_addch(base, '/');
-		check = get_archive_attrs(c->args->repo->index, base->buf);
-		strbuf_setlen(base, baselen);
-
-		if (check_attr_export_ignore(check))
-			return 0;
-		queue_directory(oid->hash, base, filename,
-				mode, stage, c);
-		return READ_TREE_RECURSIVE;
-	}
-
-	if (write_directory(c))
-		return -1;
-	return write_archive_entry(oid, base->buf, base->len, filename, mode,
-				   stage, context);
-}
-
-struct extra_file_info {
-	char *base;
-	struct stat stat;
-};
-
-int write_archive_entries(struct archiver_args *args,
-		write_archive_entry_fn_t write_entry)
-{
-	struct archiver_context context;
-	struct unpack_trees_options opts;
-	struct tree_desc t;
-	int err;
-	struct strbuf path_in_archive = STRBUF_INIT;
-	struct strbuf content = STRBUF_INIT;
-	struct object_id fake_oid = null_oid;
-	int i;
-
-	if (args->baselen > 0 && args->base[args->baselen - 1] == '/') {
-		size_t len = args->baselen;
-
-		while (len > 1 && args->base[len - 2] == '/')
-			len--;
-		if (args->verbose)
-			fprintf(stderr, "%.*s\n", (int)len, args->base);
-		err = write_entry(args, &args->tree->object.oid, args->base,
-				  len, 040777, NULL, 0);
-		if (err)
-			return err;
-	}
-
-	memset(&context, 0, sizeof(context));
-	context.args = args;
-	context.write_entry = write_entry;
-
-	/*
-	 * Setup index and instruct attr to read index only
-	 */
-	if (!args->worktree_attributes) {
-		memset(&opts, 0, sizeof(opts));
-		opts.index_only = 1;
-		opts.head_idx = -1;
-		opts.src_index = args->repo->index;
-		opts.dst_index = args->repo->index;
-		opts.fn = oneway_merge;
-		init_tree_desc(&t, args->tree->buffer, args->tree->size);
-		if (unpack_trees(1, &t, &opts))
-			return -1;
-		git_attr_set_direction(GIT_ATTR_INDEX);
-	}
-
-	err = read_tree_recursive(args->repo, args->tree, "",
-				  0, 0, &args->pathspec,
-				  queue_or_write_archive_entry,
-				  &context);
-	if (err == READ_TREE_RECURSIVE)
-		err = 0;
-	while (context.bottom) {
-		struct directory *next = context.bottom->up;
-		free(context.bottom);
-		context.bottom = next;
-	}
-
-	for (i = 0; i < args->extra_files.nr; i++) {
-		struct string_list_item *item = args->extra_files.items + i;
-		char *path = item->string;
-		struct extra_file_info *info = item->util;
-
-		put_be64(fake_oid.hash, i + 1);
-
-		strbuf_reset(&path_in_archive);
-		if (info->base)
-			strbuf_addstr(&path_in_archive, info->base);
-		strbuf_addstr(&path_in_archive, basename(path));
-
-		strbuf_reset(&content);
-		if (strbuf_read_file(&content, path, info->stat.st_size) < 0)
-			err = error_errno(_("could not read '%s'"), path);
-		else
-			err = write_entry(args, &fake_oid, path_in_archive.buf,
-					  path_in_archive.len,
-					  info->stat.st_mode,
-					  content.buf, content.len);
-		if (err)
-			break;
-	}
-	strbuf_release(&path_in_archive);
-	strbuf_release(&content);
-
-	return err;
-}
-
-static const struct archiver *lookup_archiver(const char *name)
-{
-	int i;
-
-	if (!name)
-		return NULL;
-
-	for (i = 0; i < nr_archivers; i++) {
-		if (!strcmp(name, archivers[i]->name))
-			return archivers[i];
-	}
-	return NULL;
-}
-
-struct path_exists_context {
-	struct pathspec pathspec;
-	struct archiver_args *args;
-};
-
-static int reject_entry(const struct object_id *oid, struct strbuf *base,
-			const char *filename, unsigned mode,
-			int stage, void *context)
-{
-	int ret = -1;
-	struct path_exists_context *ctx = context;
-
-	if (S_ISDIR(mode)) {
-		struct strbuf sb = STRBUF_INIT;
-		strbuf_addbuf(&sb, base);
-		strbuf_addstr(&sb, filename);
-		if (!match_pathspec(ctx->args->repo->index,
-				    &ctx->pathspec,
-				    sb.buf, sb.len, 0, NULL, 1))
-			ret = READ_TREE_RECURSIVE;
-		strbuf_release(&sb);
-	}
-	return ret;
-}
-
-static int path_exists(struct archiver_args *args, const char *path)
-{
-	const char *paths[] = { path, NULL };
-	struct path_exists_context ctx;
-	int ret;
-
-	ctx.args = args;
-	parse_pathspec(&ctx.pathspec, 0, 0, "", paths);
-	ctx.pathspec.recursive = 1;
-	ret = read_tree_recursive(args->repo, args->tree, "",
-				  0, 0, &ctx.pathspec,
-				  reject_entry, &ctx);
-	clear_pathspec(&ctx.pathspec);
-	return ret != 0;
-}
-
-static void parse_pathspec_arg(const char **pathspec,
-		struct archiver_args *ar_args)
-{
-	/*
-	 * must be consistent with parse_pathspec in path_exists()
-	 * Also if pathspec patterns are dependent, we're in big
-	 * trouble as we test each one separately
-	 */
-	parse_pathspec(&ar_args->pathspec, 0,
-		       PATHSPEC_PREFER_FULL,
-		       "", pathspec);
-	ar_args->pathspec.recursive = 1;
-	if (pathspec) {
-		while (*pathspec) {
-			if (**pathspec && !path_exists(ar_args, *pathspec))
-				die(_("pathspec '%s' did not match any files"), *pathspec);
-			pathspec++;
-		}
-	}
-}
-
-static void parse_treeish_arg(const char **argv,
-		struct archiver_args *ar_args, const char *prefix,
-		int remote)
-{
-	const char *name = argv[0];
-	const struct object_id *commit_oid;
-	time_t archive_time;
-	struct tree *tree;
-	const struct commit *commit;
-	struct object_id oid;
-	char *ref = NULL;
-
-	/* Remotes are only allowed to fetch actual refs */
-	if (remote && !remote_allow_unreachable) {
-		const char *colon = strchrnul(name, ':');
-		int refnamelen = colon - name;
-
-		if (!dwim_ref(name, refnamelen, &oid, &ref, 0))
-			die(_("no such ref: %.*s"), refnamelen, name);
-	} else {
-		dwim_ref(name, strlen(name), &oid, &ref, 0);
-	}
-
-	if (get_oid(name, &oid))
-		die(_("not a valid object name: %s"), name);
-
-	commit = lookup_commit_reference_gently(ar_args->repo, &oid, 1);
-	if (commit) {
-		commit_oid = &commit->object.oid;
-		archive_time = commit->date;
-	} else {
-		commit_oid = NULL;
-		archive_time = time(NULL);
-	}
-
-	tree = parse_tree_indirect(&oid);
-	if (tree == NULL)
-		die(_("not a tree object: %s"), oid_to_hex(&oid));
-
-	if (prefix) {
-		struct object_id tree_oid;
-		unsigned short mode;
-		int err;
-
-		err = get_tree_entry(ar_args->repo,
-				     &tree->object.oid,
-				     prefix, &tree_oid,
-				     &mode);
-		if (err || !S_ISDIR(mode))
-			die(_("current working directory is untracked"));
-
-		tree = parse_tree_indirect(&tree_oid);
-	}
-	ar_args->refname = ref;
-	ar_args->tree = tree;
-	ar_args->commit_oid = commit_oid;
-	ar_args->commit = commit;
-	ar_args->time = archive_time;
-}
-
-static void extra_file_info_clear(void *util, const char *str)
-{
-	struct extra_file_info *info = util;
-	free(info->base);
-	free(info);
-}
-
-static int add_file_cb(const struct option *opt, const char *arg, int unset)
-{
-	struct archiver_args *args = opt->value;
-	const char **basep = (const char **)opt->defval;
-	const char *base = *basep;
-	char *path;
-	struct string_list_item *item;
-	struct extra_file_info *info;
-
-	if (unset) {
-		string_list_clear_func(&args->extra_files,
-				       extra_file_info_clear);
-		return 0;
-	}
-
-	if (!arg)
-		return -1;
-
-	path = prefix_filename(args->prefix, arg);
-	item = string_list_append_nodup(&args->extra_files, path);
-	item->util = info = xmalloc(sizeof(*info));
-	info->base = xstrdup_or_null(base);
-	if (stat(path, &info->stat))
-		die(_("File not found: %s"), path);
-	if (!S_ISREG(info->stat.st_mode))
-		die(_("Not a regular file: %s"), path);
-	return 0;
-}
-
-#define OPT__COMPR(s, v, h, p) \
-	OPT_SET_INT_F(s, NULL, v, h, p, PARSE_OPT_NONEG)
-#define OPT__COMPR_HIDDEN(s, v, p) \
-	OPT_SET_INT_F(s, NULL, v, "", p, PARSE_OPT_NONEG | PARSE_OPT_HIDDEN)
-
-static int parse_archive_args(int argc, const char **argv,
-		const struct archiver **ar, struct archiver_args *args,
-		const char *name_hint, int is_remote)
-{
-	const char *format = NULL;
-	const char *base = NULL;
-	const char *remote = NULL;
-	const char *exec = NULL;
-	const char *output = NULL;
-	int compression_level = -1;
-	int verbose = 0;
-	int i;
-	int list = 0;
-	int worktree_attributes = 0;
-	struct option opts[] = {
-		OPT_GROUP(""),
-		OPT_STRING(0, "format", &format, N_("fmt"), N_("archive format")),
-		OPT_STRING(0, "prefix", &base, N_("prefix"),
-			N_("prepend prefix to each pathname in the archive")),
-		{ OPTION_CALLBACK, 0, "add-file", args, N_("file"),
-		  N_("add untracked file to archive"), 0, add_file_cb,
-		  (intptr_t)&base },
-		OPT_STRING('o', "output", &output, N_("file"),
-			N_("write the archive to this file")),
-		OPT_BOOL(0, "worktree-attributes", &worktree_attributes,
-			N_("read .gitattributes in working directory")),
-		OPT__VERBOSE(&verbose, N_("report archived files on stderr")),
-		OPT__COMPR('0', &compression_level, N_("store only"), 0),
-		OPT__COMPR('1', &compression_level, N_("compress faster"), 1),
-		OPT__COMPR_HIDDEN('2', &compression_level, 2),
-		OPT__COMPR_HIDDEN('3', &compression_level, 3),
-		OPT__COMPR_HIDDEN('4', &compression_level, 4),
-		OPT__COMPR_HIDDEN('5', &compression_level, 5),
-		OPT__COMPR_HIDDEN('6', &compression_level, 6),
-		OPT__COMPR_HIDDEN('7', &compression_level, 7),
-		OPT__COMPR_HIDDEN('8', &compression_level, 8),
-		OPT__COMPR('9', &compression_level, N_("compress better"), 9),
-		OPT_GROUP(""),
-		OPT_BOOL('l', "list", &list,
-			N_("list supported archive formats")),
-		OPT_GROUP(""),
-		OPT_STRING(0, "remote", &remote, N_("repo"),
-			N_("retrieve the archive from remote repository <repo>")),
-		OPT_STRING(0, "exec", &exec, N_("command"),
-			N_("path to the remote git-upload-archive command")),
-		OPT_END()
-	};
-
-	argc = parse_options(argc, argv, NULL, opts, archive_usage, 0);
-
-	if (remote)
-		die(_("Unexpected option --remote"));
-	if (exec)
-		die(_("Option --exec can only be used together with --remote"));
-	if (output)
-		die(_("Unexpected option --output"));
-	if (is_remote && args->extra_files.nr)
-		die(_("Options --add-file and --remote cannot be used together"));
-
-	if (!base)
-		base = "";
-
-	if (list) {
-		for (i = 0; i < nr_archivers; i++)
-			if (!is_remote || archivers[i]->flags & ARCHIVER_REMOTE)
-				printf("%s\n", archivers[i]->name);
-		exit(0);
-	}
-
-	if (!format && name_hint)
-		format = archive_format_from_filename(name_hint);
-	if (!format)
-		format = "tar";
-
-	/* We need at least one parameter -- tree-ish */
-	if (argc < 1)
-		usage_with_options(archive_usage, opts);
-	*ar = lookup_archiver(format);
-	if (!*ar || (is_remote && !((*ar)->flags & ARCHIVER_REMOTE)))
-		die(_("Unknown archive format '%s'"), format);
-
-	args->compression_level = Z_DEFAULT_COMPRESSION;
-	if (compression_level != -1) {
-		if ((*ar)->flags & ARCHIVER_WANT_COMPRESSION_LEVELS)
-			args->compression_level = compression_level;
-		else {
-			die(_("Argument not supported for format '%s': -%d"),
-					format, compression_level);
-		}
-	}
-	args->verbose = verbose;
-	args->base = base;
-	args->baselen = strlen(base);
-	args->worktree_attributes = worktree_attributes;
-
-	return argc;
-}
-
-int write_archive(int argc, const char **argv, const char *prefix,
-		  struct repository *repo,
-		  const char *name_hint, int remote)
-{
-	const struct archiver *ar = NULL;
-	struct archiver_args args;
-	int rc;
-
-	git_config_get_bool("uploadarchive.allowunreachable", &remote_allow_unreachable);
-	git_config(git_default_config, NULL);
-
-	args.repo = repo;
-	args.prefix = prefix;
-	string_list_init(&args.extra_files, 1);
-	argc = parse_archive_args(argc, argv, &ar, &args, name_hint, remote);
-	if (!startup_info->have_repository) {
-		/*
-		 * We know this will die() with an error, so we could just
-		 * die ourselves; but its error message will be more specific
-		 * than what we could write here.
-		 */
-		setup_git_directory();
-	}
-
-	parse_treeish_arg(argv, &args, prefix, remote);
-	parse_pathspec_arg(argv + 1, &args);
-
-	rc = ar->write_archive(ar, &args);
-
-	string_list_clear_func(&args.extra_files, extra_file_info_clear);
-
-	return rc;
-}
-
-static int match_extension(const char *filename, const char *ext)
-{
-	int prefixlen = strlen(filename) - strlen(ext);
-
-	/*
-	 * We need 1 character for the '.', and 1 character to ensure that the
-	 * prefix is non-empty (k.e., we don't match .tar.gz with no actual
-	 * filename).
-	 */
-	if (prefixlen < 2 || filename[prefixlen - 1] != '.')
-		return 0;
-	return !strcmp(filename + prefixlen, ext);
-}
-
-const char *archive_format_from_filename(const char *filename)
-{
-	int i;
-
-	for (i = 0; i < nr_archivers; i++)
-		if (match_extension(filename, archivers[i]->name))
-			return archivers[i]->name;
-	return NULL;
-}