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-rw-r--r--apply.c2
-rw-r--r--builtin/add.c2
-rw-r--r--builtin/am.c6
-rw-r--r--builtin/checkout-index.c2
-rw-r--r--builtin/checkout.c4
-rw-r--r--builtin/clone.c2
-rw-r--r--builtin/commit.c8
-rw-r--r--builtin/merge.c6
-rw-r--r--builtin/mv.c2
-rw-r--r--builtin/read-tree.c2
-rw-r--r--builtin/reset.c2
-rw-r--r--builtin/rm.c2
-rw-r--r--builtin/update-index.c1
-rw-r--r--lockfile.c12
-rw-r--r--lockfile.h8
-rw-r--r--merge-recursive.c2
-rw-r--r--merge.c2
-rw-r--r--read-cache.c7
-rw-r--r--rerere.c2
-rw-r--r--sequencer.c2
-rw-r--r--t/helper/test-scrap-cache-tree.c2
-rw-r--r--wt-status.c7
22 files changed, 49 insertions, 36 deletions
diff --git a/apply.c b/apply.c
index 705cf56..2ed808d 100644
--- a/apply.c
+++ b/apply.c
@@ -4688,7 +4688,7 @@ static int apply_patch(struct apply_state *state,
state->index_file,
LOCK_DIE_ON_ERROR);
else
- state->newfd = hold_locked_index(state->lock_file, 1);
+ state->newfd = hold_locked_index(state->lock_file, LOCK_DIE_ON_ERROR);
}
if (state->check_index && read_apply_cache(state) < 0) {
diff --git a/builtin/add.c b/builtin/add.c
index e8fb80b..9f53f02 100644
--- a/builtin/add.c
+++ b/builtin/add.c
@@ -361,7 +361,7 @@ int cmd_add(int argc, const char **argv, const char *prefix)
add_new_files = !take_worktree_changes && !refresh_only;
require_pathspec = !(take_worktree_changes || (0 < addremove_explicit));
- hold_locked_index(&lock_file, 1);
+ hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR);
flags = ((verbose ? ADD_CACHE_VERBOSE : 0) |
(show_only ? ADD_CACHE_PRETEND : 0) |
diff --git a/builtin/am.c b/builtin/am.c
index 6981f42..bb5da42 100644
--- a/builtin/am.c
+++ b/builtin/am.c
@@ -1119,7 +1119,7 @@ static void refresh_and_write_cache(void)
{
struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file));
- hold_locked_index(lock_file, 1);
+ hold_locked_index(lock_file, LOCK_DIE_ON_ERROR);
refresh_cache(REFRESH_QUIET);
if (write_locked_index(&the_index, lock_file, COMMIT_LOCK))
die(_("unable to write index file"));
@@ -1976,7 +1976,7 @@ static int fast_forward_to(struct tree *head, struct tree *remote, int reset)
return -1;
lock_file = xcalloc(1, sizeof(struct lock_file));
- hold_locked_index(lock_file, 1);
+ hold_locked_index(lock_file, LOCK_DIE_ON_ERROR);
refresh_cache(REFRESH_QUIET);
@@ -2016,7 +2016,7 @@ static int merge_tree(struct tree *tree)
return -1;
lock_file = xcalloc(1, sizeof(struct lock_file));
- hold_locked_index(lock_file, 1);
+ hold_locked_index(lock_file, LOCK_DIE_ON_ERROR);
memset(&opts, 0, sizeof(opts));
opts.head_idx = 1;
diff --git a/builtin/checkout-index.c b/builtin/checkout-index.c
index 30a49d9..07631d0 100644
--- a/builtin/checkout-index.c
+++ b/builtin/checkout-index.c
@@ -205,7 +205,7 @@ int cmd_checkout_index(int argc, const char **argv, const char *prefix)
if (index_opt && !state.base_dir_len && !to_tempfile) {
state.refresh_cache = 1;
state.istate = &the_index;
- newfd = hold_locked_index(&lock_file, 1);
+ newfd = hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR);
}
/* Check out named files first */
diff --git a/builtin/checkout.c b/builtin/checkout.c
index 512492a..bfe685c 100644
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -274,7 +274,7 @@ static int checkout_paths(const struct checkout_opts *opts,
lock_file = xcalloc(1, sizeof(struct lock_file));
- hold_locked_index(lock_file, 1);
+ hold_locked_index(lock_file, LOCK_DIE_ON_ERROR);
if (read_cache_preload(&opts->pathspec) < 0)
return error(_("index file corrupt"));
@@ -467,7 +467,7 @@ static int merge_working_tree(const struct checkout_opts *opts,
int ret;
struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file));
- hold_locked_index(lock_file, 1);
+ hold_locked_index(lock_file, LOCK_DIE_ON_ERROR);
if (read_cache_preload(NULL) < 0)
return error(_("index file corrupt"));
diff --git a/builtin/clone.c b/builtin/clone.c
index e3cb808..5ef8192 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -711,7 +711,7 @@ static int checkout(int submodule_progress)
setup_work_tree();
lock_file = xcalloc(1, sizeof(struct lock_file));
- hold_locked_index(lock_file, 1);
+ hold_locked_index(lock_file, LOCK_DIE_ON_ERROR);
memset(&opts, 0, sizeof opts);
opts.update = 1;
diff --git a/builtin/commit.c b/builtin/commit.c
index 0ed634b..711f96c 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -351,7 +351,7 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix
if (interactive) {
char *old_index_env = NULL;
- hold_locked_index(&index_lock, 1);
+ hold_locked_index(&index_lock, LOCK_DIE_ON_ERROR);
refresh_cache_or_die(refresh_flags);
@@ -396,7 +396,7 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix
* (B) on failure, rollback the real index.
*/
if (all || (also && pathspec.nr)) {
- hold_locked_index(&index_lock, 1);
+ hold_locked_index(&index_lock, LOCK_DIE_ON_ERROR);
add_files_to_cache(also ? prefix : NULL, &pathspec, 0);
refresh_cache_or_die(refresh_flags);
update_main_cache_tree(WRITE_TREE_SILENT);
@@ -416,7 +416,7 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix
* We still need to refresh the index here.
*/
if (!only && !pathspec.nr) {
- hold_locked_index(&index_lock, 1);
+ hold_locked_index(&index_lock, LOCK_DIE_ON_ERROR);
refresh_cache_or_die(refresh_flags);
if (active_cache_changed
|| !cache_tree_fully_valid(active_cache_tree))
@@ -468,7 +468,7 @@ static const char *prepare_index(int argc, const char **argv, const char *prefix
if (read_cache() < 0)
die(_("cannot read the index"));
- hold_locked_index(&index_lock, 1);
+ hold_locked_index(&index_lock, LOCK_DIE_ON_ERROR);
add_remove_files(&partial);
refresh_cache(REFRESH_QUIET);
update_main_cache_tree(WRITE_TREE_SILENT);
diff --git a/builtin/merge.c b/builtin/merge.c
index b65eeaa..0070bf2 100644
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -634,7 +634,7 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common,
{
static struct lock_file lock;
- hold_locked_index(&lock, 1);
+ hold_locked_index(&lock, LOCK_DIE_ON_ERROR);
refresh_cache(REFRESH_QUIET);
if (active_cache_changed &&
write_locked_index(&the_index, &lock, COMMIT_LOCK))
@@ -671,7 +671,7 @@ static int try_merge_strategy(const char *strategy, struct commit_list *common,
for (j = common; j; j = j->next)
commit_list_insert(j->item, &reversed);
- hold_locked_index(&lock, 1);
+ hold_locked_index(&lock, LOCK_DIE_ON_ERROR);
clean = merge_recursive(&o, head,
remoteheads->item, reversed, &result);
if (clean < 0)
@@ -781,7 +781,7 @@ static int merge_trivial(struct commit *head, struct commit_list *remoteheads)
struct commit_list *parents, **pptr = &parents;
static struct lock_file lock;
- hold_locked_index(&lock, 1);
+ hold_locked_index(&lock, LOCK_DIE_ON_ERROR);
refresh_cache(REFRESH_QUIET);
if (active_cache_changed &&
write_locked_index(&the_index, &lock, COMMIT_LOCK))
diff --git a/builtin/mv.c b/builtin/mv.c
index 2f43877..43adf92 100644
--- a/builtin/mv.c
+++ b/builtin/mv.c
@@ -126,7 +126,7 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
if (--argc < 1)
usage_with_options(builtin_mv_usage, builtin_mv_options);
- hold_locked_index(&lock_file, 1);
+ hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR);
if (read_cache() < 0)
die(_("index file corrupt"));
diff --git a/builtin/read-tree.c b/builtin/read-tree.c
index 9bd1fd7..fa6edb3 100644
--- a/builtin/read-tree.c
+++ b/builtin/read-tree.c
@@ -150,7 +150,7 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
argc = parse_options(argc, argv, unused_prefix, read_tree_options,
read_tree_usage, 0);
- hold_locked_index(&lock_file, 1);
+ hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR);
prefix_set = opts.prefix ? 1 : 0;
if (1 < opts.merge + opts.reset + prefix_set)
diff --git a/builtin/reset.c b/builtin/reset.c
index c04ac07..8ab915b 100644
--- a/builtin/reset.c
+++ b/builtin/reset.c
@@ -354,7 +354,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
if (reset_type != SOFT) {
struct lock_file *lock = xcalloc(1, sizeof(*lock));
- hold_locked_index(lock, 1);
+ hold_locked_index(lock, LOCK_DIE_ON_ERROR);
if (reset_type == MIXED) {
int flags = quiet ? REFRESH_QUIET : REFRESH_IN_PORCELAIN;
if (read_from_tree(&pathspec, &oid, intent_to_add))
diff --git a/builtin/rm.c b/builtin/rm.c
index 3f3e24e..7f15a3d 100644
--- a/builtin/rm.c
+++ b/builtin/rm.c
@@ -292,7 +292,7 @@ int cmd_rm(int argc, const char **argv, const char *prefix)
if (!index_only)
setup_work_tree();
- hold_locked_index(&lock_file, 1);
+ hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR);
if (read_cache() < 0)
die(_("index file corrupt"));
diff --git a/builtin/update-index.c b/builtin/update-index.c
index f3f07e7..d530e89 100644
--- a/builtin/update-index.c
+++ b/builtin/update-index.c
@@ -1012,6 +1012,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
/* We can't free this memory, it becomes part of a linked list parsed atexit() */
lock_file = xcalloc(1, sizeof(struct lock_file));
+ /* we will diagnose later if it turns out that we need to update it */
newfd = hold_locked_index(lock_file, 0);
if (newfd < 0)
lock_error = errno;
diff --git a/lockfile.c b/lockfile.c
index 9268cdf..aa69210 100644
--- a/lockfile.c
+++ b/lockfile.c
@@ -174,8 +174,16 @@ int hold_lock_file_for_update_timeout(struct lock_file *lk, const char *path,
int flags, long timeout_ms)
{
int fd = lock_file_timeout(lk, path, flags, timeout_ms);
- if (fd < 0 && (flags & LOCK_DIE_ON_ERROR))
- unable_to_lock_die(path, errno);
+ if (fd < 0) {
+ if (flags & LOCK_DIE_ON_ERROR)
+ unable_to_lock_die(path, errno);
+ if (flags & LOCK_REPORT_ON_ERROR) {
+ struct strbuf buf = STRBUF_INIT;
+ unable_to_lock_message(path, errno, &buf);
+ error("%s", buf.buf);
+ strbuf_release(&buf);
+ }
+ }
return fd;
}
diff --git a/lockfile.h b/lockfile.h
index d26ad27..16775a7 100644
--- a/lockfile.h
+++ b/lockfile.h
@@ -129,11 +129,17 @@ struct lock_file {
/*
* If a lock is already taken for the file, `die()` with an error
* message. If this flag is not specified, trying to lock a file that
- * is already locked returns -1 to the caller.
+ * is already locked silently returns -1 to the caller, or ...
*/
#define LOCK_DIE_ON_ERROR 1
/*
+ * ... this flag can be passed instead to return -1 and give the usual
+ * error message upon an error.
+ */
+#define LOCK_REPORT_ON_ERROR 2
+
+/*
* Usually symbolic links in the destination path are resolved. This
* means that (1) the lockfile is created by adding ".lock" to the
* resolved path, and (2) upon commit, the resolved path is
diff --git a/merge-recursive.c b/merge-recursive.c
index 23d6992..d327209 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -2133,7 +2133,7 @@ int merge_recursive_generic(struct merge_options *o,
}
}
- hold_locked_index(lock, 1);
+ hold_locked_index(lock, LOCK_DIE_ON_ERROR);
clean = merge_recursive(o, head_commit, next_commit, ca,
result);
if (clean < 0)
diff --git a/merge.c b/merge.c
index 23866c9..04ee5fc 100644
--- a/merge.c
+++ b/merge.c
@@ -57,7 +57,7 @@ int checkout_fast_forward(const unsigned char *head,
refresh_cache(REFRESH_QUIET);
- if (hold_locked_index(lock_file, 0) < 0)
+ if (hold_locked_index(lock_file, LOCK_REPORT_ON_ERROR) < 0)
return -1;
memset(&trees, 0, sizeof(trees));
diff --git a/read-cache.c b/read-cache.c
index db5d910..f92a912 100644
--- a/read-cache.c
+++ b/read-cache.c
@@ -1425,12 +1425,9 @@ static int read_index_extension(struct index_state *istate,
return 0;
}
-int hold_locked_index(struct lock_file *lk, int die_on_error)
+int hold_locked_index(struct lock_file *lk, int lock_flags)
{
- return hold_lock_file_for_update(lk, get_index_file(),
- die_on_error
- ? LOCK_DIE_ON_ERROR
- : 0);
+ return hold_lock_file_for_update(lk, get_index_file(), lock_flags);
}
int read_index(struct index_state *istate)
diff --git a/rerere.c b/rerere.c
index 5d083ca..3bd55ca 100644
--- a/rerere.c
+++ b/rerere.c
@@ -708,7 +708,7 @@ static void update_paths(struct string_list *update)
{
int i;
- hold_locked_index(&index_lock, 1);
+ hold_locked_index(&index_lock, LOCK_DIE_ON_ERROR);
for (i = 0; i < update->nr; i++) {
struct string_list_item *item = &update->items[i];
diff --git a/sequencer.c b/sequencer.c
index 050e28b..28061dc 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -323,7 +323,7 @@ static int do_recursive_merge(struct commit *base, struct commit *next,
char **xopt;
static struct lock_file index_lock;
- hold_locked_index(&index_lock, 1);
+ hold_locked_index(&index_lock, LOCK_DIE_ON_ERROR);
read_cache();
diff --git a/t/helper/test-scrap-cache-tree.c b/t/helper/test-scrap-cache-tree.c
index 27fe040..d2a63be 100644
--- a/t/helper/test-scrap-cache-tree.c
+++ b/t/helper/test-scrap-cache-tree.c
@@ -8,7 +8,7 @@ static struct lock_file index_lock;
int cmd_main(int ac, const char **av)
{
setup_git_directory();
- hold_locked_index(&index_lock, 1);
+ hold_locked_index(&index_lock, LOCK_DIE_ON_ERROR);
if (read_cache() < 0)
die("unable to read index file");
active_cache_tree = NULL;
diff --git a/wt-status.c b/wt-status.c
index a2e9d33..a715e71 100644
--- a/wt-status.c
+++ b/wt-status.c
@@ -2258,11 +2258,12 @@ int has_uncommitted_changes(int ignore_submodules)
int require_clean_work_tree(const char *action, const char *hint, int ignore_submodules, int gently)
{
struct lock_file *lock_file = xcalloc(1, sizeof(*lock_file));
- int err = 0;
+ int err = 0, fd;
- hold_locked_index(lock_file, 0);
+ fd = hold_locked_index(lock_file, 0);
refresh_cache(REFRESH_QUIET);
- update_index_if_able(&the_index, lock_file);
+ if (0 <= fd)
+ update_index_if_able(&the_index, lock_file);
rollback_lock_file(lock_file);
if (has_unstaged_changes(ignore_submodules)) {