fsck is a repo-wide operation and should check all references no
matter which worktree they are associated to.
Reported-by: Jeff King <peff@xxxxxxxx>
Helped-by: Elijah Newren <newren@xxxxxxxxx>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
builtin/fsck.c | 55 ++++++++++++++++++++++++++++++++++---------------
t/t1450-fsck.sh | 35 +++++++++++++++++++++++++++++++
2 files changed, 73 insertions(+), 17 deletions(-)
diff --git a/builtin/fsck.c b/builtin/fsck.c
index 24f8a09a3c..71492c158d 100644
--- a/builtin/fsck.c
+++ b/builtin/fsck.c
@@ -19,6 +19,7 @@
#include "packfile.h"
#include "object-store.h"
#include "run-command.h"
+#include "worktree.h"
#define REACHABLE 0x0001
#define SEEN 0x0002
@@ -444,7 +445,11 @@ static int fsck_handle_reflog_ent(struct object_id *ooid, struct object_id *noid
static int fsck_handle_reflog(const char *logname, const struct object_id *oid,
int flag, void *cb_data)
{
- for_each_reflog_ent(logname, fsck_handle_reflog_ent, (void *)logname);
+ struct strbuf refname = STRBUF_INIT;
+
+ strbuf_worktree_ref(cb_data, &refname, logname);
+ for_each_reflog_ent(refname.buf, fsck_handle_reflog_ent, refname.buf);
+ strbuf_release(&refname);
return 0;
}
@@ -482,20 +487,34 @@ static int fsck_handle_ref(const char *refname, const struct object_id *oid,
return 0;
}
-static int fsck_head_link(const char **head_points_at,
+static int fsck_head_link(const char *head_ref_name,
+ const char **head_points_at,
struct object_id *head_oid);
static void get_default_heads(void)
{
+ struct worktree **worktrees, **p;
const char *head_points_at;
struct object_id head_oid;
- fsck_head_link(&head_points_at, &head_oid);
- if (head_points_at && !is_null_oid(&head_oid))
- fsck_handle_ref("HEAD", &head_oid, 0, NULL);
for_each_rawref(fsck_handle_ref, NULL);
- if (include_reflogs)
- for_each_reflog(fsck_handle_reflog, NULL);
+
+ worktrees = get_worktrees(0);
+ for (p = worktrees; *p; p++) {
+ struct worktree *wt = *p;
+ struct strbuf ref = STRBUF_INIT;
+
+ strbuf_worktree_ref(wt, &ref, "HEAD");
+ fsck_head_link(ref.buf, &head_points_at, &head_oid);
+ if (head_points_at && !is_null_oid(&head_oid))
+ fsck_handle_ref(ref.buf, &head_oid, 0, NULL);
+ strbuf_release(&ref);
+
+ if (include_reflogs)
+ refs_for_each_reflog(get_worktree_ref_store(wt),
+ fsck_handle_reflog, wt);
+ }
+ free_worktrees(worktrees);
/*
* Not having any default heads isn't really fatal, but
@@ -584,34 +603,36 @@ static void fsck_object_dir(const char *path)
stop_progress(&progress);
}
-static int fsck_head_link(const char **head_points_at,
+static int fsck_head_link(const char *head_ref_name,
+ const char **head_points_at,
struct object_id *head_oid)
{
int null_is_error = 0;
if (verbose)
- fprintf(stderr, "Checking HEAD link\n");
+ fprintf(stderr, "Checking %s link\n", head_ref_name);
- *head_points_at = resolve_ref_unsafe("HEAD", 0, head_oid, NULL);
+ *head_points_at = resolve_ref_unsafe(head_ref_name, 0, head_oid, NULL);
if (!*head_points_at) {
errors_found |= ERROR_REFS;
- return error("Invalid HEAD");
+ return error("Invalid %s", head_ref_name);
}
- if (!strcmp(*head_points_at, "HEAD"))
+ if (!strcmp(*head_points_at, head_ref_name))
/* detached HEAD */
null_is_error = 1;
else if (!starts_with(*head_points_at, "refs/heads/")) {
errors_found |= ERROR_REFS;
- return error("HEAD points to something strange (%s)",
- *head_points_at);
+ return error("%s points to something strange (%s)",
+ head_ref_name, *head_points_at);
}
if (is_null_oid(head_oid)) {
if (null_is_error) {
errors_found |= ERROR_REFS;
- return error("HEAD: detached HEAD points at nothing");
+ return error("%s: detached HEAD points at nothing",
+ head_ref_name);
}
- fprintf(stderr, "notice: HEAD points to an unborn branch (%s)\n",
- *head_points_at + 11);
+ fprintf(stderr, "notice: %s points to an unborn branch (%s)\n",
+ head_ref_name, *head_points_at + 11);
}
return 0;
}
diff --git a/t/t1450-fsck.sh b/t/t1450-fsck.sh
index 0f2dd26f74..e97e6a7c6d 100755
--- a/t/t1450-fsck.sh
+++ b/t/t1450-fsck.sh
@@ -101,6 +101,41 @@ test_expect_success 'HEAD link pointing at a funny place' '
grep "HEAD points to something strange" out
'
+test_expect_success 'HEAD link pointing at a funny object (from different wt)' '
+ test_when_finished "mv .git/SAVED_HEAD .git/HEAD" &&
+ test_when_finished "rm -rf .git/worktrees wt" &&
+ git worktree add wt &&
+ mv .git/HEAD .git/SAVED_HEAD &&
+ echo $ZERO_OID >.git/HEAD &&
+ # avoid corrupt/broken HEAD from interfering with repo discovery
+ test_must_fail git -C wt fsck 2>out &&
+ grep "main/HEAD: detached HEAD points" out
+'
+
+test_expect_success 'other worktree HEAD link pointing at a funny object' '
+ test_when_finished "rm -rf .git/worktrees other" &&
+ git worktree add other &&
+ echo $ZERO_OID >.git/worktrees/other/HEAD &&
+ test_must_fail git fsck 2>out &&
+ grep "worktrees/other/HEAD: detached HEAD points" out
+'
+
+test_expect_success 'other worktree HEAD link pointing at missing object' '
+ test_when_finished "rm -rf .git/worktrees other" &&
+ git worktree add other &&
+ echo "Contents missing from repo" | git hash-object --stdin >.git/worktrees/other/HEAD &&
+ test_must_fail git fsck 2>out &&
+ grep "worktrees/other/HEAD: invalid sha1 pointer" out
+'
+
+test_expect_success 'other worktree HEAD link pointing at a funny place' '
+ test_when_finished "rm -rf .git/worktrees other" &&
+ git worktree add other &&
+ echo "ref: refs/funny/place" >.git/worktrees/other/HEAD &&
+ test_must_fail git fsck 2>out &&
+ grep "worktrees/other/HEAD points to something strange" out
+'
+
test_expect_success 'email without @ is okay' '
git cat-file commit HEAD >basis &&
sed "s/@/AT/" basis >okay &&
--
2.19.0.341.g3acb95d729
