Reported-by: Jeff King <peff@xxxxxxxx>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
Documentation/git-reflog.txt | 7 +++++-
builtin/reflog.c | 46 ++++++++++++++++++++++++++++++++----
t/t1410-reflog.sh | 15 ++++++++++++
3 files changed, 63 insertions(+), 5 deletions(-)
diff --git a/Documentation/git-reflog.txt b/Documentation/git-reflog.txt
index 472a6808cd..ff487ff77d 100644
--- a/Documentation/git-reflog.txt
+++ b/Documentation/git-reflog.txt
@@ -20,7 +20,7 @@ depending on the subcommand:
'git reflog' ['show'] [log-options] [<ref>]
'git reflog expire' [--expire=<time>] [--expire-unreachable=<time>]
[--rewrite] [--updateref] [--stale-fix]
- [--dry-run | -n] [--verbose] [--all | <refs>...]
+ [--dry-run | -n] [--verbose] [--all [--single-worktree] | <refs>...]
'git reflog delete' [--rewrite] [--updateref]
[--dry-run | -n] [--verbose] ref@\{specifier\}...
'git reflog exists' <ref>
@@ -72,6 +72,11 @@ Options for `expire`
--all::
Process the reflogs of all references.
+--single-worktree::
+ By default when `--all` is specified, reflogs from all working
+ trees are processed. This option limits the processing to reflogs
+ from the current working tree only.
+
--expire=<time>::
Prune entries older than the specified time. If this option is
not specified, the expiration time is taken from the
diff --git a/builtin/reflog.c b/builtin/reflog.c
index b5941c1ff3..7a85e4b164 100644
--- a/builtin/reflog.c
+++ b/builtin/reflog.c
@@ -10,6 +10,7 @@
#include "diff.h"
#include "revision.h"
#include "reachable.h"
+#include "worktree.h"
/* NEEDSWORK: switch to using parse_options */
static const char reflog_expire_usage[] =
@@ -52,6 +53,7 @@ struct collect_reflog_cb {
struct collected_reflog **e;
int alloc;
int nr;
+ struct worktree *wt;
};
/* Remember to update object flag allocation in object.h */
@@ -330,13 +332,27 @@ static int push_tip_to_list(const char *refname, const struct object_id *oid,
return 0;
}
+static int is_head(const char *refname)
+{
+ switch (ref_type(refname)) {
+ case REF_TYPE_OTHER_PSEUDOREF:
+ case REF_TYPE_MAIN_PSEUDOREF:
+ if (parse_worktree_ref(refname, NULL, NULL, &refname))
+ BUG("not a worktree ref: %s", refname);
+ break;
+ default:
+ break;
+ }
+ return !strcmp(refname, "HEAD");
+}
+
static void reflog_expiry_prepare(const char *refname,
const struct object_id *oid,
void *cb_data)
{
struct expire_reflog_policy_cb *cb = cb_data;
- if (!cb->cmd.expire_unreachable || !strcmp(refname, "HEAD")) {
+ if (!cb->cmd.expire_unreachable || is_head(refname)) {
cb->tip_commit = NULL;
cb->unreachable_expire_kind = UE_HEAD;
} else {
@@ -388,8 +404,19 @@ static int collect_reflog(const char *ref, const struct object_id *oid, int unus
{
struct collected_reflog *e;
struct collect_reflog_cb *cb = cb_data;
+ 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)
+ return 0;
+
+ strbuf_worktree_ref(cb->wt, &newref, ref);
+ FLEX_ALLOC_STR(e, reflog, newref.buf);
+ strbuf_release(&newref);
- FLEX_ALLOC_STR(e, reflog, ref);
oidcpy(&e->oid, oid);
ALLOC_GROW(cb->e, cb->nr + 1, cb->alloc);
cb->e[cb->nr++] = e;
@@ -512,7 +539,7 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
{
struct expire_reflog_policy_cb cb;
timestamp_t now = time(NULL);
- int i, status, do_all;
+ int i, status, do_all, all_worktrees = 1;
int explicit_expiry = 0;
unsigned int flags = 0;
@@ -549,6 +576,8 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
flags |= EXPIRE_REFLOGS_UPDATE_REF;
else if (!strcmp(arg, "--all"))
do_all = 1;
+ else if (!strcmp(arg, "--single-worktree"))
+ all_worktrees = 0;
else if (!strcmp(arg, "--verbose"))
flags |= EXPIRE_REFLOGS_VERBOSE;
else if (!strcmp(arg, "--")) {
@@ -577,10 +606,19 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
if (do_all) {
struct collect_reflog_cb collected;
+ struct worktree **worktrees, **p;
int i;
memset(&collected, 0, sizeof(collected));
- for_each_reflog(collect_reflog, &collected);
+ worktrees = get_worktrees(0);
+ for (p = worktrees; *p; p++) {
+ if (!all_worktrees && !(*p)->is_current)
+ continue;
+ collected.wt = *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);
diff --git a/t/t1410-reflog.sh b/t/t1410-reflog.sh
index 388b0611d8..3e053532eb 100755
--- a/t/t1410-reflog.sh
+++ b/t/t1410-reflog.sh
@@ -368,4 +368,19 @@ test_expect_success 'continue walking past root commits' '
)
'
+test_expect_success 'expire with multiple worktrees' '
+ git init main-wt &&
+ (
+ cd main-wt &&
+ test_tick &&
+ test_commit foo &&
+ git worktree add link-wt &&
+ test_tick &&
+ test_commit -C link-wt foobar &&
+ test_tick &&
+ git reflog expire --verbose --all --expire=$test_tick &&
+ test_must_be_empty .git/worktrees/link-wt/logs/HEAD
+ )
+'
+
test_done
--
2.19.1.647.g708186aaf9
