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-rw-r--r--third_party/git/refspec.c276
1 files changed, 0 insertions, 276 deletions
diff --git a/third_party/git/refspec.c b/third_party/git/refspec.c
deleted file mode 100644
index 8af357a0a35d..000000000000
--- a/third_party/git/refspec.c
+++ /dev/null
@@ -1,276 +0,0 @@
-#include "cache.h"
-#include "strvec.h"
-#include "refs.h"
-#include "refspec.h"
-
-static struct refspec_item s_tag_refspec = {
-	0,
-	1,
-	0,
-	0,
-	0,
-	"refs/tags/*",
-	"refs/tags/*"
-};
-
-/* See TAG_REFSPEC for the string version */
-const struct refspec_item *tag_refspec = &s_tag_refspec;
-
-/*
- * Parses the provided refspec 'refspec' and populates the refspec_item 'item'.
- * Returns 1 if successful and 0 if the refspec is invalid.
- */
-static int parse_refspec(struct refspec_item *item, const char *refspec, int fetch)
-{
-	size_t llen;
-	int is_glob;
-	const char *lhs, *rhs;
-	int flags;
-
-	is_glob = 0;
-
-	lhs = refspec;
-	if (*lhs == '+') {
-		item->force = 1;
-		lhs++;
-	} else if (*lhs == '^') {
-		item->negative = 1;
-		lhs++;
-	}
-
-	rhs = strrchr(lhs, ':');
-
-	/* negative refspecs only have one side */
-	if (item->negative && rhs)
-		return 0;
-
-	/*
-	 * Before going on, special case ":" (or "+:") as a refspec
-	 * for pushing matching refs.
-	 */
-	if (!fetch && rhs == lhs && rhs[1] == '\0') {
-		item->matching = 1;
-		return 1;
-	}
-
-	if (rhs) {
-		size_t rlen = strlen(++rhs);
-		is_glob = (1 <= rlen && strchr(rhs, '*'));
-		item->dst = xstrndup(rhs, rlen);
-	} else {
-		item->dst = NULL;
-	}
-
-	llen = (rhs ? (rhs - lhs - 1) : strlen(lhs));
-	if (1 <= llen && memchr(lhs, '*', llen)) {
-		if ((rhs && !is_glob) || (!rhs && !item->negative && fetch))
-			return 0;
-		is_glob = 1;
-	} else if (rhs && is_glob) {
-		return 0;
-	}
-
-	item->pattern = is_glob;
-	item->src = xstrndup(lhs, llen);
-	flags = REFNAME_ALLOW_ONELEVEL | (is_glob ? REFNAME_REFSPEC_PATTERN : 0);
-
-	if (item->negative) {
-		struct object_id unused;
-
-		/*
-		 * Negative refspecs only have a LHS, which indicates a ref
-		 * (or pattern of refs) to exclude from other matches. This
-		 * can either be a simple ref, or a glob pattern. Exact sha1
-		 * match is not currently supported.
-		 */
-		if (!*item->src)
-			return 0; /* negative refspecs must not be empty */
-		else if (llen == the_hash_algo->hexsz && !get_oid_hex(item->src, &unused))
-			return 0; /* negative refpsecs cannot be exact sha1 */
-		else if (!check_refname_format(item->src, flags))
-			; /* valid looking ref is ok */
-		else
-			return 0;
-
-		/* the other rules below do not apply to negative refspecs */
-		return 1;
-	}
-
-	if (fetch) {
-		struct object_id unused;
-
-		/* LHS */
-		if (!*item->src)
-			; /* empty is ok; it means "HEAD" */
-		else if (llen == the_hash_algo->hexsz && !get_oid_hex(item->src, &unused))
-			item->exact_sha1 = 1; /* ok */
-		else if (!check_refname_format(item->src, flags))
-			; /* valid looking ref is ok */
-		else
-			return 0;
-		/* RHS */
-		if (!item->dst)
-			; /* missing is ok; it is the same as empty */
-		else if (!*item->dst)
-			; /* empty is ok; it means "do not store" */
-		else if (!check_refname_format(item->dst, flags))
-			; /* valid looking ref is ok */
-		else
-			return 0;
-	} else {
-		/*
-		 * LHS
-		 * - empty is allowed; it means delete.
-		 * - when wildcarded, it must be a valid looking ref.
-		 * - otherwise, it must be an extended SHA-1, but
-		 *   there is no existing way to validate this.
-		 */
-		if (!*item->src)
-			; /* empty is ok */
-		else if (is_glob) {
-			if (check_refname_format(item->src, flags))
-				return 0;
-		}
-		else
-			; /* anything goes, for now */
-		/*
-		 * RHS
-		 * - missing is allowed, but LHS then must be a
-		 *   valid looking ref.
-		 * - empty is not allowed.
-		 * - otherwise it must be a valid looking ref.
-		 */
-		if (!item->dst) {
-			if (check_refname_format(item->src, flags))
-				return 0;
-		} else if (!*item->dst) {
-			return 0;
-		} else {
-			if (check_refname_format(item->dst, flags))
-				return 0;
-		}
-	}
-
-	return 1;
-}
-
-int refspec_item_init(struct refspec_item *item, const char *refspec, int fetch)
-{
-	memset(item, 0, sizeof(*item));
-	return parse_refspec(item, refspec, fetch);
-}
-
-void refspec_item_init_or_die(struct refspec_item *item, const char *refspec,
-			      int fetch)
-{
-	if (!refspec_item_init(item, refspec, fetch))
-		die(_("invalid refspec '%s'"), refspec);
-}
-
-void refspec_item_clear(struct refspec_item *item)
-{
-	FREE_AND_NULL(item->src);
-	FREE_AND_NULL(item->dst);
-	item->force = 0;
-	item->pattern = 0;
-	item->matching = 0;
-	item->exact_sha1 = 0;
-}
-
-void refspec_init(struct refspec *rs, int fetch)
-{
-	memset(rs, 0, sizeof(*rs));
-	rs->fetch = fetch;
-}
-
-static void refspec_append_nodup(struct refspec *rs, char *refspec)
-{
-	struct refspec_item item;
-
-	refspec_item_init_or_die(&item, refspec, rs->fetch);
-
-	ALLOC_GROW(rs->items, rs->nr + 1, rs->alloc);
-	rs->items[rs->nr++] = item;
-
-	ALLOC_GROW(rs->raw, rs->raw_nr + 1, rs->raw_alloc);
-	rs->raw[rs->raw_nr++] = refspec;
-}
-
-void refspec_append(struct refspec *rs, const char *refspec)
-{
-	refspec_append_nodup(rs, xstrdup(refspec));
-}
-
-void refspec_appendf(struct refspec *rs, const char *fmt, ...)
-{
-	va_list ap;
-
-	va_start(ap, fmt);
-	refspec_append_nodup(rs, xstrvfmt(fmt, ap));
-	va_end(ap);
-}
-
-void refspec_appendn(struct refspec *rs, const char **refspecs, int nr)
-{
-	int i;
-	for (i = 0; i < nr; i++)
-		refspec_append(rs, refspecs[i]);
-}
-
-void refspec_clear(struct refspec *rs)
-{
-	int i;
-
-	for (i = 0; i < rs->nr; i++)
-		refspec_item_clear(&rs->items[i]);
-
-	FREE_AND_NULL(rs->items);
-	rs->alloc = 0;
-	rs->nr = 0;
-
-	for (i = 0; i < rs->raw_nr; i++)
-		free((char *)rs->raw[i]);
-	FREE_AND_NULL(rs->raw);
-	rs->raw_alloc = 0;
-	rs->raw_nr = 0;
-
-	rs->fetch = 0;
-}
-
-int valid_fetch_refspec(const char *fetch_refspec_str)
-{
-	struct refspec_item refspec;
-	int ret = refspec_item_init(&refspec, fetch_refspec_str, REFSPEC_FETCH);
-	refspec_item_clear(&refspec);
-	return ret;
-}
-
-void refspec_ref_prefixes(const struct refspec *rs,
-			  struct strvec *ref_prefixes)
-{
-	int i;
-	for (i = 0; i < rs->nr; i++) {
-		const struct refspec_item *item = &rs->items[i];
-		const char *prefix = NULL;
-
-		if (item->exact_sha1 || item->negative)
-			continue;
-		if (rs->fetch == REFSPEC_FETCH)
-			prefix = item->src;
-		else if (item->dst)
-			prefix = item->dst;
-		else if (item->src && !item->exact_sha1)
-			prefix = item->src;
-
-		if (prefix) {
-			if (item->pattern) {
-				const char *glob = strchr(prefix, '*');
-				strvec_pushf(ref_prefixes, "%.*s",
-					     (int)(glob - prefix),
-					     prefix);
-			} else {
-				expand_ref_prefix(ref_prefixes, prefix);
-			}
-		}
-	}
-}