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authorLibravatar Junio C Hamano <gitster@pobox.com>2022-01-10 11:52:52 -0800
committerLibravatar Junio C Hamano <gitster@pobox.com>2022-01-10 11:52:52 -0800
commit626f2cabe609ce5f186c3ab4c13133c4f3011f01 (patch)
tree6013326deeab4a2d5812d8684ac05ddb25a110fa
parentMerge branch 'ab/do-not-limit-stash-help-to-push' (diff)
parentreflog + refs-backend: move "verbose" out of the backend (diff)
downloadtgif-626f2cabe609ce5f186c3ab4c13133c4f3011f01.tar.xz
Merge branch 'ab/reflog-prep'
Code refactoring in the reflog part of refs API. * ab/reflog-prep: reflog + refs-backend: move "verbose" out of the backend refs files-backend: assume cb->newlog if !EXPIRE_REFLOGS_DRY_RUN reflog: reduce scope of "struct rev_info" reflog expire: don't use lookup_commit_reference_gently() reflog expire: refactor & use "tip_commit" only for UE_NORMAL reflog expire: use "switch" over enum values reflog: change one->many worktree->refnames to use a string_list reflog expire: narrow scope of "cb" in cmd_reflog_expire() reflog delete: narrow scope of "cmd" passed to count_reflog_ent()
-rw-r--r--builtin/reflog.c223
-rw-r--r--refs.h3
-rw-r--r--refs/files-backend.c44
3 files changed, 150 insertions, 120 deletions
diff --git a/builtin/reflog.c b/builtin/reflog.c
index 175c83e7cc..a4b1dd27e1 100644
--- a/builtin/reflog.c
+++ b/builtin/reflog.c
@@ -28,7 +28,6 @@ static timestamp_t default_reflog_expire;
static timestamp_t default_reflog_expire_unreachable;
struct cmd_reflog_expire_cb {
- struct rev_info revs;
int stalefix;
timestamp_t expire_total;
timestamp_t expire_unreachable;
@@ -46,18 +45,12 @@ struct expire_reflog_policy_cb {
struct cmd_reflog_expire_cb cmd;
struct commit *tip_commit;
struct commit_list *tips;
+ unsigned int dry_run:1;
};
-struct collected_reflog {
- struct object_id oid;
- char reflog[FLEX_ARRAY];
-};
-
-struct collect_reflog_cb {
- struct collected_reflog **e;
- int alloc;
- int nr;
- struct worktree *wt;
+struct worktree_reflogs {
+ struct worktree *worktree;
+ struct string_list reflogs;
};
/* Remember to update object flag allocation in object.h */
@@ -310,10 +303,15 @@ static int should_expire_reflog_ent(struct object_id *ooid, struct object_id *no
return 1;
if (timestamp < cb->cmd.expire_unreachable) {
- if (cb->unreachable_expire_kind == UE_ALWAYS)
- return 1;
- if (unreachable(cb, old_commit, ooid) || unreachable(cb, new_commit, noid))
+ switch (cb->unreachable_expire_kind) {
+ case UE_ALWAYS:
return 1;
+ case UE_NORMAL:
+ case UE_HEAD:
+ if (unreachable(cb, old_commit, ooid) || unreachable(cb, new_commit, noid))
+ return 1;
+ break;
+ }
}
if (cb->cmd.recno && --(cb->cmd.recno) == 0)
@@ -322,6 +320,28 @@ static int should_expire_reflog_ent(struct object_id *ooid, struct object_id *no
return 0;
}
+static int should_expire_reflog_ent_verbose(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;
+ int expire;
+
+ expire = should_expire_reflog_ent(ooid, noid, email, timestamp, tz,
+ message, cb);
+
+ if (!expire)
+ printf("keep %s", message);
+ else if (cb->dry_run)
+ printf("would prune %s", message);
+ else
+ printf("prune %s", message);
+
+ return expire;
+}
+
static int push_tip_to_list(const char *refname, const struct object_id *oid,
int flags, void *cb_data)
{
@@ -355,75 +375,71 @@ static void reflog_expiry_prepare(const char *refname,
void *cb_data)
{
struct expire_reflog_policy_cb *cb = cb_data;
+ struct commit_list *elem;
+ struct commit *commit = NULL;
if (!cb->cmd.expire_unreachable || is_head(refname)) {
- cb->tip_commit = NULL;
cb->unreachable_expire_kind = UE_HEAD;
} else {
- cb->tip_commit = lookup_commit_reference_gently(the_repository,
- oid, 1);
- if (!cb->tip_commit)
- cb->unreachable_expire_kind = UE_ALWAYS;
- else
- cb->unreachable_expire_kind = UE_NORMAL;
+ commit = lookup_commit(the_repository, oid);
+ cb->unreachable_expire_kind = commit ? UE_NORMAL : UE_ALWAYS;
}
if (cb->cmd.expire_unreachable <= cb->cmd.expire_total)
cb->unreachable_expire_kind = UE_ALWAYS;
- cb->mark_list = NULL;
- cb->tips = NULL;
- 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);
- } else {
- commit_list_insert(cb->tip_commit, &cb->mark_list);
- }
- cb->mark_limit = cb->cmd.expire_total;
- mark_reachable(cb);
+ switch (cb->unreachable_expire_kind) {
+ case UE_ALWAYS:
+ return;
+ case UE_HEAD:
+ 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);
+ break;
+ case UE_NORMAL:
+ commit_list_insert(commit, &cb->mark_list);
+ /* For reflog_expiry_cleanup() below */
+ cb->tip_commit = commit;
}
+ cb->mark_limit = cb->cmd.expire_total;
+ mark_reachable(cb);
}
static void reflog_expiry_cleanup(void *cb_data)
{
struct expire_reflog_policy_cb *cb = cb_data;
+ struct commit_list *elem;
- if (cb->unreachable_expire_kind != UE_ALWAYS) {
- if (cb->unreachable_expire_kind == UE_HEAD) {
- struct commit_list *elem;
- for (elem = cb->tips; elem; elem = elem->next)
- clear_commit_marks(elem->item, REACHABLE);
- free_commit_list(cb->tips);
- } else {
- clear_commit_marks(cb->tip_commit, REACHABLE);
- }
+ switch (cb->unreachable_expire_kind) {
+ case UE_ALWAYS:
+ return;
+ case UE_HEAD:
+ for (elem = cb->tips; elem; elem = elem->next)
+ clear_commit_marks(elem->item, REACHABLE);
+ free_commit_list(cb->tips);
+ break;
+ case UE_NORMAL:
+ clear_commit_marks(cb->tip_commit, REACHABLE);
+ break;
}
}
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;
+ struct worktree_reflogs *cb = cb_data;
+ struct worktree *worktree = cb->worktree;
struct strbuf newref = STRBUF_INIT;
/*
* Avoid collecting the same shared ref multiple times because
* they are available via all worktrees.
*/
- if (!cb->wt->is_current && ref_type(ref) == REF_TYPE_NORMAL)
+ if (!worktree->is_current && ref_type(ref) == REF_TYPE_NORMAL)
return 0;
- strbuf_worktree_ref(cb->wt, &newref, ref);
- FLEX_ALLOC_STR(e, reflog, newref.buf);
- strbuf_release(&newref);
+ strbuf_worktree_ref(worktree, &newref, ref);
+ string_list_append_nodup(&cb->reflogs, strbuf_detach(&newref, NULL));
- oidcpy(&e->oid, oid);
- ALLOC_GROW(cb->e, cb->nr + 1, cb->alloc);
- cb->e[cb->nr++] = e;
return 0;
}
@@ -541,11 +557,13 @@ 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;
+ struct cmd_reflog_expire_cb cmd = { 0 };
timestamp_t now = time(NULL);
int i, status, do_all, all_worktrees = 1;
int explicit_expiry = 0;
unsigned int flags = 0;
+ int verbose = 0;
+ reflog_expiry_should_prune_fn *should_prune_fn = should_expire_reflog_ent;
default_reflog_expire_unreachable = now - 30 * 24 * 3600;
default_reflog_expire = now - 90 * 24 * 3600;
@@ -553,10 +571,9 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
save_commit_buffer = 0;
do_all = status = 0;
- memset(&cb, 0, sizeof(cb));
- cb.cmd.expire_total = default_reflog_expire;
- cb.cmd.expire_unreachable = default_reflog_expire_unreachable;
+ cmd.expire_total = default_reflog_expire;
+ cmd.expire_unreachable = default_reflog_expire_unreachable;
for (i = 1; i < argc; i++) {
const char *arg = argv[i];
@@ -564,17 +581,17 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
if (!strcmp(arg, "--dry-run") || !strcmp(arg, "-n"))
flags |= EXPIRE_REFLOGS_DRY_RUN;
else if (skip_prefix(arg, "--expire=", &arg)) {
- if (parse_expiry_date(arg, &cb.cmd.expire_total))
+ if (parse_expiry_date(arg, &cmd.expire_total))
die(_("'%s' is not a valid timestamp"), arg);
explicit_expiry |= EXPIRE_TOTAL;
}
else if (skip_prefix(arg, "--expire-unreachable=", &arg)) {
- if (parse_expiry_date(arg, &cb.cmd.expire_unreachable))
+ if (parse_expiry_date(arg, &cmd.expire_unreachable))
die(_("'%s' is not a valid timestamp"), arg);
explicit_expiry |= EXPIRE_UNREACH;
}
else if (!strcmp(arg, "--stale-fix"))
- cb.cmd.stalefix = 1;
+ cmd.stalefix = 1;
else if (!strcmp(arg, "--rewrite"))
flags |= EXPIRE_REFLOGS_REWRITE;
else if (!strcmp(arg, "--updateref"))
@@ -584,7 +601,7 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
else if (!strcmp(arg, "--single-worktree"))
all_worktrees = 0;
else if (!strcmp(arg, "--verbose"))
- flags |= EXPIRE_REFLOGS_VERBOSE;
+ verbose = 1;
else if (!strcmp(arg, "--")) {
i++;
break;
@@ -595,54 +612,65 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
break;
}
+ if (verbose)
+ should_prune_fn = should_expire_reflog_ent_verbose;
+
/*
* We can trust the commits and objects reachable from refs
* even in older repository. We cannot trust what's reachable
* from reflog if the repository was pruned with older git.
*/
- if (cb.cmd.stalefix) {
- repo_init_revisions(the_repository, &cb.cmd.revs, prefix);
- cb.cmd.revs.do_not_die_on_missing_tree = 1;
- cb.cmd.revs.ignore_missing = 1;
- cb.cmd.revs.ignore_missing_links = 1;
- if (flags & EXPIRE_REFLOGS_VERBOSE)
+ if (cmd.stalefix) {
+ struct rev_info revs;
+
+ repo_init_revisions(the_repository, &revs, prefix);
+ revs.do_not_die_on_missing_tree = 1;
+ revs.ignore_missing = 1;
+ revs.ignore_missing_links = 1;
+ if (verbose)
printf(_("Marking reachable objects..."));
- mark_reachable_objects(&cb.cmd.revs, 0, 0, NULL);
- if (flags & EXPIRE_REFLOGS_VERBOSE)
+ mark_reachable_objects(&revs, 0, 0, NULL);
+ if (verbose)
putchar('\n');
}
if (do_all) {
- struct collect_reflog_cb collected;
+ struct worktree_reflogs collected = {
+ .reflogs = STRING_LIST_INIT_DUP,
+ };
+ struct string_list_item *item;
struct worktree **worktrees, **p;
- int i;
- memset(&collected, 0, sizeof(collected));
worktrees = get_worktrees();
for (p = worktrees; *p; p++) {
if (!all_worktrees && !(*p)->is_current)
continue;
- collected.wt = *p;
+ collected.worktree = *p;
refs_for_each_reflog(get_worktree_ref_store(*p),
collect_reflog, &collected);
}
free_worktrees(worktrees);
- for (i = 0; i < collected.nr; i++) {
- struct collected_reflog *e = collected.e[i];
- set_reflog_expiry_param(&cb.cmd, explicit_expiry, e->reflog);
- status |= reflog_expire(e->reflog, flags,
+ for_each_string_list_item(item, &collected.reflogs) {
+ struct expire_reflog_policy_cb cb = {
+ .cmd = cmd,
+ .dry_run = !!(flags & EXPIRE_REFLOGS_DRY_RUN),
+ };
+
+ set_reflog_expiry_param(&cb.cmd, explicit_expiry, item->string);
+ status |= reflog_expire(item->string, flags,
reflog_expiry_prepare,
- should_expire_reflog_ent,
+ should_prune_fn,
reflog_expiry_cleanup,
&cb);
- free(e);
}
- free(collected.e);
+ string_list_clear(&collected.reflogs, 0);
}
for (; i < argc; i++) {
char *ref;
+ struct expire_reflog_policy_cb cb = { .cmd = cmd };
+
if (!dwim_log(argv[i], strlen(argv[i]), NULL, &ref)) {
status |= error(_("%s points nowhere!"), argv[i]);
continue;
@@ -650,7 +678,7 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
set_reflog_expiry_param(&cb.cmd, explicit_expiry, ref);
status |= reflog_expire(ref, flags,
reflog_expiry_prepare,
- should_expire_reflog_ent,
+ should_prune_fn,
reflog_expiry_cleanup,
&cb);
free(ref);
@@ -662,19 +690,19 @@ 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;
- if (!cb->cmd.expire_total || timestamp < cb->cmd.expire_total)
- cb->cmd.recno++;
+ struct cmd_reflog_expire_cb *cb = cb_data;
+ if (!cb->expire_total || timestamp < cb->expire_total)
+ cb->recno++;
return 0;
}
static int cmd_reflog_delete(int argc, const char **argv, const char *prefix)
{
- struct expire_reflog_policy_cb cb;
+ struct cmd_reflog_expire_cb cmd = { 0 };
int i, status = 0;
unsigned int flags = 0;
-
- memset(&cb, 0, sizeof(cb));
+ int verbose = 0;
+ reflog_expiry_should_prune_fn *should_prune_fn = should_expire_reflog_ent;
for (i = 1; i < argc; i++) {
const char *arg = argv[i];
@@ -685,7 +713,7 @@ static int cmd_reflog_delete(int argc, const char **argv, const char *prefix)
else if (!strcmp(arg, "--updateref"))
flags |= EXPIRE_REFLOGS_UPDATE_REF;
else if (!strcmp(arg, "--verbose"))
- flags |= EXPIRE_REFLOGS_VERBOSE;
+ verbose = 1;
else if (!strcmp(arg, "--")) {
i++;
break;
@@ -696,6 +724,9 @@ static int cmd_reflog_delete(int argc, const char **argv, const char *prefix)
break;
}
+ if (verbose)
+ should_prune_fn = should_expire_reflog_ent_verbose;
+
if (argc - i < 1)
return error(_("no reflog specified to delete"));
@@ -703,6 +734,9 @@ static int cmd_reflog_delete(int argc, const char **argv, const char *prefix)
const char *spec = strstr(argv[i], "@{");
char *ep, *ref;
int recno;
+ struct expire_reflog_policy_cb cb = {
+ .dry_run = !!(flags & EXPIRE_REFLOGS_DRY_RUN),
+ };
if (!spec) {
status |= error(_("not a reflog: %s"), argv[i]);
@@ -716,17 +750,18 @@ static int cmd_reflog_delete(int argc, const char **argv, const char *prefix)
recno = strtoul(spec + 2, &ep, 10);
if (*ep == '}') {
- cb.cmd.recno = -recno;
- for_each_reflog_ent(ref, count_reflog_ent, &cb);
+ cmd.recno = -recno;
+ for_each_reflog_ent(ref, count_reflog_ent, &cmd);
} else {
- cb.cmd.expire_total = approxidate(spec + 2);
- for_each_reflog_ent(ref, count_reflog_ent, &cb);
- cb.cmd.expire_total = 0;
+ cmd.expire_total = approxidate(spec + 2);
+ for_each_reflog_ent(ref, count_reflog_ent, &cmd);
+ cmd.expire_total = 0;
}
+ cb.cmd = cmd;
status |= reflog_expire(ref, flags,
reflog_expiry_prepare,
- should_expire_reflog_ent,
+ should_prune_fn,
reflog_expiry_cleanup,
&cb);
free(ref);
diff --git a/refs.h b/refs.h
index 92360e55a2..8f91a7f9ff 100644
--- a/refs.h
+++ b/refs.h
@@ -820,8 +820,7 @@ enum ref_type ref_type(const char *refname);
enum expire_reflog_flags {
EXPIRE_REFLOGS_DRY_RUN = 1 << 0,
EXPIRE_REFLOGS_UPDATE_REF = 1 << 1,
- EXPIRE_REFLOGS_VERBOSE = 1 << 2,
- EXPIRE_REFLOGS_REWRITE = 1 << 3
+ EXPIRE_REFLOGS_REWRITE = 1 << 2,
};
/*
diff --git a/refs/files-backend.c b/refs/files-backend.c
index 5c6d49a267..b529fdf237 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -3082,11 +3082,12 @@ cleanup:
}
struct expire_reflog_cb {
- unsigned int flags;
reflog_expiry_should_prune_fn *should_prune_fn;
void *policy_cb;
FILE *newlog;
struct object_id last_kept_oid;
+ unsigned int rewrite:1,
+ dry_run:1;
};
static int expire_reflog_ent(struct object_id *ooid, struct object_id *noid,
@@ -3094,33 +3095,27 @@ static int expire_reflog_ent(struct object_id *ooid, struct object_id *noid,
const char *message, void *cb_data)
{
struct expire_reflog_cb *cb = cb_data;
- struct expire_reflog_policy_cb *policy_cb = cb->policy_cb;
+ reflog_expiry_should_prune_fn *fn = cb->should_prune_fn;
- if (cb->flags & EXPIRE_REFLOGS_REWRITE)
+ if (cb->rewrite)
ooid = &cb->last_kept_oid;
- if ((*cb->should_prune_fn)(ooid, noid, email, timestamp, tz,
- message, policy_cb)) {
- if (!cb->newlog)
- printf("would prune %s", message);
- else if (cb->flags & EXPIRE_REFLOGS_VERBOSE)
- printf("prune %s", message);
- } else {
- if (cb->newlog) {
- fprintf(cb->newlog, "%s %s %s %"PRItime" %+05d\t%s",
- oid_to_hex(ooid), oid_to_hex(noid),
- email, timestamp, tz, message);
- oidcpy(&cb->last_kept_oid, noid);
- }
- if (cb->flags & EXPIRE_REFLOGS_VERBOSE)
- printf("keep %s", message);
- }
+ if (fn(ooid, noid, email, timestamp, tz, message, cb->policy_cb))
+ return 0;
+
+ if (cb->dry_run)
+ return 0; /* --dry-run */
+
+ fprintf(cb->newlog, "%s %s %s %"PRItime" %+05d\t%s", oid_to_hex(ooid),
+ oid_to_hex(noid), email, timestamp, tz, message);
+ oidcpy(&cb->last_kept_oid, noid);
+
return 0;
}
static int files_reflog_expire(struct ref_store *ref_store,
const char *refname,
- unsigned int flags,
+ unsigned int expire_flags,
reflog_expiry_prepare_fn prepare_fn,
reflog_expiry_should_prune_fn should_prune_fn,
reflog_expiry_cleanup_fn cleanup_fn,
@@ -3138,7 +3133,8 @@ static int files_reflog_expire(struct ref_store *ref_store,
const struct object_id *oid;
memset(&cb, 0, sizeof(cb));
- cb.flags = flags;
+ cb.rewrite = !!(expire_flags & EXPIRE_REFLOGS_REWRITE);
+ cb.dry_run = !!(expire_flags & EXPIRE_REFLOGS_DRY_RUN);
cb.policy_cb = policy_cb_data;
cb.should_prune_fn = should_prune_fn;
@@ -3174,7 +3170,7 @@ static int files_reflog_expire(struct ref_store *ref_store,
files_reflog_path(refs, &log_file_sb, refname);
log_file = strbuf_detach(&log_file_sb, NULL);
- if (!(flags & EXPIRE_REFLOGS_DRY_RUN)) {
+ if (!cb.dry_run) {
/*
* Even though holding $GIT_DIR/logs/$reflog.lock has
* no locking implications, we use the lock_file
@@ -3201,7 +3197,7 @@ static int files_reflog_expire(struct ref_store *ref_store,
refs_for_each_reflog_ent(ref_store, refname, expire_reflog_ent, &cb);
(*cleanup_fn)(cb.policy_cb);
- if (!(flags & EXPIRE_REFLOGS_DRY_RUN)) {
+ if (!cb.dry_run) {
/*
* It doesn't make sense to adjust a reference pointed
* to by a symbolic ref based on expiring entries in
@@ -3211,7 +3207,7 @@ static int files_reflog_expire(struct ref_store *ref_store,
*/
int update = 0;
- if ((flags & EXPIRE_REFLOGS_UPDATE_REF) &&
+ if ((expire_flags & EXPIRE_REFLOGS_UPDATE_REF) &&
!is_null_oid(&cb.last_kept_oid)) {
int ignore_errno;
int type;