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Diffstat (limited to 'sha1_name.c')
-rw-r--r--sha1_name.c103
1 files changed, 77 insertions, 26 deletions
diff --git a/sha1_name.c b/sha1_name.c
index bf92417838..2c3a5fb363 100644
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -206,7 +206,9 @@ const char *find_unique_abbrev(const unsigned char *sha1, int len)
if (exists
? !status
: status == SHORT_NAME_NOT_FOUND) {
- hex[len] = 0;
+ int cut_at = len + unique_abbrev_extra_length;
+ cut_at = (cut_at < 40) ? cut_at : 40;
+ hex[cut_at] = 0;
return hex;
}
len++;
@@ -342,7 +344,7 @@ static int get_sha1_1(const char *name, int len, unsigned char *sha1);
static int get_sha1_basic(const char *str, int len, unsigned char *sha1)
{
- static const char *warning = "warning: refname '%.*s' is ambiguous.\n";
+ static const char *warn_msg = "refname '%.*s' is ambiguous.";
char *real_ref = NULL;
int refs_found = 0;
int at, reflog_len;
@@ -390,7 +392,7 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1)
return -1;
if (warn_ambiguous_refs && refs_found > 1)
- fprintf(stderr, warning, len, str);
+ warning(warn_msg, len, str);
if (reflog_len) {
int nth, i;
@@ -426,14 +428,14 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1)
if (read_ref_at(real_ref, at_time, nth, sha1, NULL,
&co_time, &co_tz, &co_cnt)) {
if (at_time)
- fprintf(stderr,
- "warning: Log for '%.*s' only goes "
- "back to %s.\n", len, str,
+ warning("Log for '%.*s' only goes "
+ "back to %s.", len, str,
show_date(co_time, co_tz, DATE_RFC2822));
- else
- fprintf(stderr,
- "warning: Log for '%.*s' only has "
- "%d entries.\n", len, str, co_cnt);
+ else {
+ free(real_ref);
+ die("Log for '%.*s' only has %d entries.",
+ len, str, co_cnt);
+ }
}
}
@@ -659,6 +661,16 @@ static int get_sha1_1(const char *name, int len, unsigned char *sha1)
return get_short_sha1(name, len, sha1, 0);
}
+/*
+ * This interprets names like ':/Initial revision of "git"' by searching
+ * through history and returning the first commit whose message starts
+ * the given regular expression.
+ *
+ * For future extension, ':/!' is reserved. If you want to match a message
+ * beginning with a '!', you have to repeat the exclamation mark.
+ */
+#define ONELINE_SEEN (1u<<20)
+
static int handle_one_ref(const char *path,
const unsigned char *sha1, int flag, void *cb_data)
{
@@ -674,30 +686,26 @@ static int handle_one_ref(const char *path,
if (object->type != OBJ_COMMIT)
return 0;
insert_by_date((struct commit *)object, list);
+ object->flags |= ONELINE_SEEN;
return 0;
}
-/*
- * This interprets names like ':/Initial revision of "git"' by searching
- * through history and returning the first commit whose message starts
- * with the given string.
- *
- * For future extension, ':/!' is reserved. If you want to match a message
- * beginning with a '!', you have to repeat the exclamation mark.
- */
-
-#define ONELINE_SEEN (1u<<20)
static int get_sha1_oneline(const char *prefix, unsigned char *sha1)
{
struct commit_list *list = NULL, *backup = NULL, *l;
int retval = -1;
char *temp_commit_buffer = NULL;
+ regex_t regex;
if (prefix[0] == '!') {
if (prefix[1] != '!')
die ("Invalid search pattern: %s", prefix);
prefix++;
}
+
+ if (regcomp(&regex, prefix, REG_EXTENDED))
+ die("Invalid search pattern: %s", prefix);
+
for_each_ref(handle_one_ref, &list);
for (l = list; l; l = l->next)
commit_list_insert(l->item, &backup);
@@ -721,12 +729,13 @@ static int get_sha1_oneline(const char *prefix, unsigned char *sha1)
}
if (!(p = strstr(p, "\n\n")))
continue;
- if (!prefixcmp(p + 2, prefix)) {
+ if (!regexec(&regex, p + 2, 0, NULL, 0)) {
hashcpy(sha1, commit->object.sha1);
retval = 0;
break;
}
}
+ regfree(&regex);
free(temp_commit_buffer);
free_commit_list(list);
for (l = backup; l; l = l->next)
@@ -927,14 +936,32 @@ int interpret_branch_name(const char *name, struct strbuf *buf)
return len;
}
+int strbuf_branchname(struct strbuf *sb, const char *name)
+{
+ int len = strlen(name);
+ if (interpret_branch_name(name, sb) == len)
+ return 0;
+ strbuf_add(sb, name, len);
+ return len;
+}
+
+int strbuf_check_branch_ref(struct strbuf *sb, const char *name)
+{
+ strbuf_branchname(sb, name);
+ if (name[0] == '-')
+ return CHECK_REF_FORMAT_ERROR;
+ strbuf_splice(sb, 0, 0, "refs/heads/", 11);
+ return check_ref_format(sb->buf);
+}
+
/*
* This is like "get_sha1_basic()", except it allows "sha1 expressions",
* notably "xyz^" for "parent of xyz"
*/
int get_sha1(const char *name, unsigned char *sha1)
{
- unsigned unused;
- return get_sha1_with_mode(name, sha1, &unused);
+ struct object_context unused;
+ return get_sha1_with_context(name, sha1, &unused);
}
/* Must be called only when object_name:filename doesn't exist. */
@@ -1032,23 +1059,37 @@ static void diagnose_invalid_index_path(int stage,
int get_sha1_with_mode_1(const char *name, unsigned char *sha1, unsigned *mode, int gently, const char *prefix)
{
+ struct object_context oc;
+ int ret;
+ ret = get_sha1_with_context_1(name, sha1, &oc, gently, prefix);
+ *mode = oc.mode;
+ return ret;
+}
+
+int get_sha1_with_context_1(const char *name, unsigned char *sha1,
+ struct object_context *oc,
+ int gently, const char *prefix)
+{
int ret, bracket_depth;
int namelen = strlen(name);
const char *cp;
- *mode = S_IFINVALID;
+ memset(oc, 0, sizeof(*oc));
+ oc->mode = S_IFINVALID;
ret = get_sha1_1(name, namelen, sha1);
if (!ret)
return ret;
/* sha1:path --> object name of path in ent sha1
* :path -> object name of path in index
* :[0-3]:path -> object name of path in index at stage
+ * :/foo -> recent commit matching foo
*/
if (name[0] == ':') {
int stage = 0;
struct cache_entry *ce;
int pos;
if (namelen > 2 && name[1] == '/')
+ /* don't need mode for commit */
return get_sha1_oneline(name + 2, sha1);
if (namelen < 3 ||
name[2] != ':' ||
@@ -1059,6 +1100,11 @@ int get_sha1_with_mode_1(const char *name, unsigned char *sha1, unsigned *mode,
cp = name + 3;
}
namelen = namelen - (cp - name);
+
+ strncpy(oc->path, cp,
+ sizeof(oc->path));
+ oc->path[sizeof(oc->path)-1] = '\0';
+
if (!active_cache)
read_cache();
pos = cache_name_pos(cp, namelen);
@@ -1071,7 +1117,7 @@ int get_sha1_with_mode_1(const char *name, unsigned char *sha1, unsigned *mode,
break;
if (ce_stage(ce) == stage) {
hashcpy(sha1, ce->sha1);
- *mode = ce->ce_mode;
+ oc->mode = ce->ce_mode;
return 0;
}
pos++;
@@ -1098,12 +1144,17 @@ int get_sha1_with_mode_1(const char *name, unsigned char *sha1, unsigned *mode,
}
if (!get_sha1_1(name, cp-name, tree_sha1)) {
const char *filename = cp+1;
- ret = get_tree_entry(tree_sha1, filename, sha1, mode);
+ ret = get_tree_entry(tree_sha1, filename, sha1, &oc->mode);
if (!gently) {
diagnose_invalid_sha1_path(prefix, filename,
tree_sha1, object_name);
free(object_name);
}
+ hashcpy(oc->tree, tree_sha1);
+ strncpy(oc->path, filename,
+ sizeof(oc->path));
+ oc->path[sizeof(oc->path)-1] = '\0';
+
return ret;
} else {
if (!gently)
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-01 16:44:35 +0000