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Diffstat (limited to 'builtin/reflog.c')
-rw-r--r--builtin/reflog.c125
1 files changed, 74 insertions, 51 deletions
diff --git a/builtin/reflog.c b/builtin/reflog.c
index 8182b648b9..920c16dac0 100644
--- a/builtin/reflog.c
+++ b/builtin/reflog.c
@@ -13,15 +13,17 @@ static const char reflog_expire_usage[] =
"git reflog expire [--expire=<time>] [--expire-unreachable=<time>] [--rewrite] [--updateref] [--stale-fix] [--dry-run | -n] [--verbose] [--all] <refs>...";
static const char reflog_delete_usage[] =
"git reflog delete [--rewrite] [--updateref] [--dry-run | -n] [--verbose] <refs>...";
+static const char reflog_exists_usage[] =
+"git reflog exists <ref>";
-static unsigned long default_reflog_expire;
-static unsigned long default_reflog_expire_unreachable;
+static timestamp_t default_reflog_expire;
+static timestamp_t default_reflog_expire_unreachable;
struct cmd_reflog_expire_cb {
struct rev_info revs;
int stalefix;
- unsigned long expire_total;
- unsigned long expire_unreachable;
+ timestamp_t expire_total;
+ timestamp_t expire_unreachable;
int recno;
};
@@ -53,14 +55,14 @@ struct collect_reflog_cb {
#define STUDYING (1u<<11)
#define REACHABLE (1u<<12)
-static int tree_is_complete(const unsigned char *sha1)
+static int tree_is_complete(const struct object_id *oid)
{
struct tree_desc desc;
struct name_entry entry;
int complete;
struct tree *tree;
- tree = lookup_tree(sha1);
+ tree = lookup_tree(oid);
if (!tree)
return 0;
if (tree->object.flags & SEEN)
@@ -71,7 +73,7 @@ static int tree_is_complete(const unsigned char *sha1)
if (!tree->buffer) {
enum object_type type;
unsigned long size;
- void *data = read_sha1_file(sha1, &type, &size);
+ void *data = read_sha1_file(oid->hash, &type, &size);
if (!data) {
tree->object.flags |= INCOMPLETE;
return 0;
@@ -82,8 +84,8 @@ static int tree_is_complete(const unsigned char *sha1)
init_tree_desc(&desc, tree->buffer, tree->size);
complete = 1;
while (tree_entry(&desc, &entry)) {
- if (!has_sha1_file(entry.sha1) ||
- (S_ISDIR(entry.mode) && !tree_is_complete(entry.sha1))) {
+ if (!has_sha1_file(entry.oid->hash) ||
+ (S_ISDIR(entry.mode) && !tree_is_complete(entry.oid))) {
tree->object.flags |= INCOMPLETE;
complete = 0;
}
@@ -124,7 +126,7 @@ static int commit_is_complete(struct commit *commit)
struct commit_list *parent;
c = (struct commit *)study.objects[--study.nr].item;
- if (!c->object.parsed && !parse_object(c->object.sha1))
+ if (!c->object.parsed && !parse_object(&c->object.oid))
c->object.flags |= INCOMPLETE;
if (c->object.flags & INCOMPLETE) {
@@ -150,7 +152,7 @@ static int commit_is_complete(struct commit *commit)
for (i = 0; i < found.nr; i++) {
struct commit *c =
(struct commit *)found.objects[i].item;
- if (!tree_is_complete(c->tree->object.sha1)) {
+ if (!tree_is_complete(&c->tree->object.oid)) {
is_incomplete = 1;
c->object.flags |= INCOMPLETE;
}
@@ -184,13 +186,13 @@ static int commit_is_complete(struct commit *commit)
return !is_incomplete;
}
-static int keep_entry(struct commit **it, unsigned char *sha1)
+static int keep_entry(struct commit **it, struct object_id *oid)
{
struct commit *commit;
- if (is_null_sha1(sha1))
+ if (is_null_oid(oid))
return 1;
- commit = lookup_commit_reference_gently(sha1, 1);
+ commit = lookup_commit_reference_gently(oid, 1);
if (!commit)
return 0;
@@ -216,9 +218,8 @@ static int keep_entry(struct commit **it, unsigned char *sha1)
*/
static void mark_reachable(struct expire_reflog_policy_cb *cb)
{
- struct commit *commit;
struct commit_list *pending;
- unsigned long expire_limit = cb->mark_limit;
+ timestamp_t expire_limit = cb->mark_limit;
struct commit_list *leftover = NULL;
for (pending = cb->mark_list; pending; pending = pending->next)
@@ -226,11 +227,8 @@ static void mark_reachable(struct expire_reflog_policy_cb *cb)
pending = cb->mark_list;
while (pending) {
- struct commit_list *entry = pending;
struct commit_list *parent;
- pending = entry->next;
- commit = entry->item;
- free(entry);
+ struct commit *commit = pop_commit(&pending);
if (commit->object.flags & REACHABLE)
continue;
if (parse_commit(commit))
@@ -253,17 +251,17 @@ static void mark_reachable(struct expire_reflog_policy_cb *cb)
cb->mark_list = leftover;
}
-static int unreachable(struct expire_reflog_policy_cb *cb, struct commit *commit, unsigned char *sha1)
+static int unreachable(struct expire_reflog_policy_cb *cb, struct commit *commit, struct object_id *oid)
{
/*
* We may or may not have the commit yet - if not, look it
* up using the supplied sha1.
*/
if (!commit) {
- if (is_null_sha1(sha1))
+ if (is_null_oid(oid))
return 0;
- commit = lookup_commit_reference_gently(sha1, 1);
+ commit = lookup_commit_reference_gently(oid, 1);
/* Not a commit -- keep it */
if (!commit)
@@ -285,8 +283,8 @@ static int unreachable(struct expire_reflog_policy_cb *cb, struct commit *commit
/*
* Return true iff the specified reflog entry should be expired.
*/
-static int should_expire_reflog_ent(unsigned char *osha1, unsigned char *nsha1,
- const char *email, unsigned long timestamp, int tz,
+static int should_expire_reflog_ent(struct object_id *ooid, struct object_id *noid,
+ const char *email, timestamp_t timestamp, int tz,
const char *message, void *cb_data)
{
struct expire_reflog_policy_cb *cb = cb_data;
@@ -297,13 +295,13 @@ static int should_expire_reflog_ent(unsigned char *osha1, unsigned char *nsha1,
old = new = NULL;
if (cb->cmd.stalefix &&
- (!keep_entry(&old, osha1) || !keep_entry(&new, nsha1)))
+ (!keep_entry(&old, ooid) || !keep_entry(&new, noid)))
return 1;
if (timestamp < cb->cmd.expire_unreachable) {
if (cb->unreachable_expire_kind == UE_ALWAYS)
return 1;
- if (unreachable(cb, old, osha1) || unreachable(cb, new, nsha1))
+ if (unreachable(cb, old, ooid) || unreachable(cb, new, noid))
return 1;
}
@@ -313,14 +311,14 @@ static int should_expire_reflog_ent(unsigned char *osha1, unsigned char *nsha1,
return 0;
}
-static int push_tip_to_list(const char *refname, const unsigned char *sha1,
+static int push_tip_to_list(const char *refname, const struct object_id *oid,
int flags, void *cb_data)
{
struct commit_list **list = cb_data;
struct commit *tip_commit;
if (flags & REF_ISSYMREF)
return 0;
- tip_commit = lookup_commit_reference_gently(sha1, 1);
+ tip_commit = lookup_commit_reference_gently(oid, 1);
if (!tip_commit)
return 0;
commit_list_insert(tip_commit, list);
@@ -328,7 +326,7 @@ static int push_tip_to_list(const char *refname, const unsigned char *sha1,
}
static void reflog_expiry_prepare(const char *refname,
- const unsigned char *sha1,
+ const struct object_id *oid,
void *cb_data)
{
struct expire_reflog_policy_cb *cb = cb_data;
@@ -337,7 +335,7 @@ static void reflog_expiry_prepare(const char *refname,
cb->tip_commit = NULL;
cb->unreachable_expire_kind = UE_HEAD;
} else {
- cb->tip_commit = lookup_commit_reference_gently(sha1, 1);
+ cb->tip_commit = lookup_commit_reference_gently(oid, 1);
if (!cb->tip_commit)
cb->unreachable_expire_kind = UE_ALWAYS;
else
@@ -352,6 +350,7 @@ static void reflog_expiry_prepare(const char *refname,
if (cb->unreachable_expire_kind != UE_ALWAYS) {
if (cb->unreachable_expire_kind == UE_HEAD) {
struct commit_list *elem;
+
for_each_ref(push_tip_to_list, &cb->tips);
for (elem = cb->tips; elem; elem = elem->next)
commit_list_insert(elem->item, &cb->mark_list);
@@ -379,15 +378,13 @@ static void reflog_expiry_cleanup(void *cb_data)
}
}
-static int collect_reflog(const char *ref, const unsigned char *sha1, int unused, void *cb_data)
+static int collect_reflog(const char *ref, const struct object_id *oid, int unused, void *cb_data)
{
struct collected_reflog *e;
struct collect_reflog_cb *cb = cb_data;
- size_t namelen = strlen(ref);
- e = xmalloc(sizeof(*e) + namelen + 1);
- hashcpy(e->sha1, sha1);
- memcpy(e->reflog, ref, namelen + 1);
+ FLEX_ALLOC_STR(e, reflog, ref);
+ hashcpy(e->sha1, oid->hash);
ALLOC_GROW(cb->e, cb->nr + 1, cb->alloc);
cb->e[cb->nr++] = e;
return 0;
@@ -395,9 +392,8 @@ static int collect_reflog(const char *ref, const unsigned char *sha1, int unused
static struct reflog_expire_cfg {
struct reflog_expire_cfg *next;
- unsigned long expire_total;
- unsigned long expire_unreachable;
- size_t len;
+ timestamp_t expire_total;
+ timestamp_t expire_unreachable;
char pattern[FLEX_ARRAY];
} *reflog_expire_cfg, **reflog_expire_cfg_tail;
@@ -409,24 +405,22 @@ static struct reflog_expire_cfg *find_cfg_ent(const char *pattern, size_t len)
reflog_expire_cfg_tail = &reflog_expire_cfg;
for (ent = reflog_expire_cfg; ent; ent = ent->next)
- if (ent->len == len &&
- !memcmp(ent->pattern, pattern, len))
+ if (!strncmp(ent->pattern, pattern, len) &&
+ ent->pattern[len] == '\0')
return ent;
- ent = xcalloc(1, (sizeof(*ent) + len));
- memcpy(ent->pattern, pattern, len);
- ent->len = len;
+ FLEX_ALLOC_MEM(ent, pattern, pattern, len);
*reflog_expire_cfg_tail = ent;
reflog_expire_cfg_tail = &(ent->next);
return ent;
}
-static int parse_expire_cfg_value(const char *var, const char *value, unsigned long *expire)
+static int parse_expire_cfg_value(const char *var, const char *value, timestamp_t *expire)
{
if (!value)
return config_error_nonbool(var);
if (parse_expiry_date(value, expire))
- return error(_("%s' for '%s' is not a valid timestamp"),
+ return error(_("'%s' for '%s' is not a valid timestamp"),
value, var);
return 0;
}
@@ -439,7 +433,7 @@ static int reflog_expire_config(const char *var, const char *value, void *cb)
{
const char *pattern, *key;
int pattern_len;
- unsigned long expire;
+ timestamp_t expire;
int slot;
struct reflog_expire_cfg *ent;
@@ -521,7 +515,7 @@ static void set_reflog_expiry_param(struct cmd_reflog_expire_cb *cb, int slot, c
static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
{
struct expire_reflog_policy_cb cb;
- unsigned long now = time(NULL);
+ timestamp_t now = time(NULL);
int i, status, do_all;
int explicit_expiry = 0;
unsigned int flags = 0;
@@ -621,8 +615,8 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
return status;
}
-static int count_reflog_ent(unsigned char *osha1, unsigned char *nsha1,
- const char *email, unsigned long timestamp, int tz,
+static int count_reflog_ent(struct object_id *ooid, struct object_id *noid,
+ const char *email, timestamp_t timestamp, int tz,
const char *message, void *cb_data)
{
struct expire_reflog_policy_cb *cb = cb_data;
@@ -698,12 +692,38 @@ static int cmd_reflog_delete(int argc, const char **argv, const char *prefix)
return status;
}
+static int cmd_reflog_exists(int argc, const char **argv, const char *prefix)
+{
+ int i, start = 0;
+
+ for (i = 1; i < argc; i++) {
+ const char *arg = argv[i];
+ if (!strcmp(arg, "--")) {
+ i++;
+ break;
+ }
+ else if (arg[0] == '-')
+ usage(reflog_exists_usage);
+ else
+ break;
+ }
+
+ start = i;
+
+ if (argc - start != 1)
+ usage(reflog_exists_usage);
+
+ if (check_refname_format(argv[start], REFNAME_ALLOW_ONELEVEL))
+ die("invalid ref format: %s", argv[start]);
+ return !reflog_exists(argv[start]);
+}
+
/*
* main "reflog"
*/
static const char reflog_usage[] =
-"git reflog [ show | expire | delete ]";
+"git reflog [ show | expire | delete | exists ]";
int cmd_reflog(int argc, const char **argv, const char *prefix)
{
@@ -723,5 +743,8 @@ int cmd_reflog(int argc, const char **argv, const char *prefix)
if (!strcmp(argv[1], "delete"))
return cmd_reflog_delete(argc - 1, argv + 1, prefix);
+ if (!strcmp(argv[1], "exists"))
+ return cmd_reflog_exists(argc - 1, argv + 1, prefix);
+
return cmd_log_reflog(argc, argv, prefix);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 03:14:41 +0000