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Diffstat (limited to 'builtin')
-rw-r--r--builtin/blame.c25
-rw-r--r--builtin/branch.c5
-rw-r--r--builtin/checkout.c2
-rw-r--r--builtin/fetch-pack.c7
-rw-r--r--builtin/gc.c57
-rw-r--r--builtin/grep.c82
-rw-r--r--builtin/index-pack.c31
-rw-r--r--builtin/merge.c2
-rw-r--r--builtin/pack-objects.c133
-rw-r--r--builtin/receive-pack.c18
-rw-r--r--builtin/remote.c4
-rw-r--r--builtin/rev-parse.c109
-rw-r--r--builtin/shortlog.c1
-rw-r--r--builtin/show-branch.c42
14 files changed, 327 insertions, 191 deletions
diff --git a/builtin/blame.c b/builtin/blame.c
index cffc626540..f7aa95f4ba 100644
--- a/builtin/blame.c
+++ b/builtin/blame.c
@@ -658,8 +658,11 @@ static struct origin *find_rename(struct scoreboard *sb,
/*
* Append a new blame entry to a given output queue.
*/
-static void add_blame_entry(struct blame_entry ***queue, struct blame_entry *e)
+static void add_blame_entry(struct blame_entry ***queue,
+ const struct blame_entry *src)
{
+ struct blame_entry *e = xmalloc(sizeof(*e));
+ memcpy(e, src, sizeof(*e));
origin_incref(e->suspect);
e->next = **queue;
@@ -760,21 +763,15 @@ static void split_blame(struct blame_entry ***blamed,
struct blame_entry *split,
struct blame_entry *e)
{
- struct blame_entry *new_entry;
-
if (split[0].suspect && split[2].suspect) {
/* The first part (reuse storage for the existing entry e) */
dup_entry(unblamed, e, &split[0]);
/* The last part -- me */
- new_entry = xmalloc(sizeof(*new_entry));
- memcpy(new_entry, &(split[2]), sizeof(struct blame_entry));
- add_blame_entry(unblamed, new_entry);
+ add_blame_entry(unblamed, &split[2]);
/* ... and the middle part -- parent */
- new_entry = xmalloc(sizeof(*new_entry));
- memcpy(new_entry, &(split[1]), sizeof(struct blame_entry));
- add_blame_entry(blamed, new_entry);
+ add_blame_entry(blamed, &split[1]);
}
else if (!split[0].suspect && !split[2].suspect)
/*
@@ -785,18 +782,12 @@ static void split_blame(struct blame_entry ***blamed,
else if (split[0].suspect) {
/* me and then parent */
dup_entry(unblamed, e, &split[0]);
-
- new_entry = xmalloc(sizeof(*new_entry));
- memcpy(new_entry, &(split[1]), sizeof(struct blame_entry));
- add_blame_entry(blamed, new_entry);
+ add_blame_entry(blamed, &split[1]);
}
else {
/* parent and then me */
dup_entry(blamed, e, &split[1]);
-
- new_entry = xmalloc(sizeof(*new_entry));
- memcpy(new_entry, &(split[2]), sizeof(struct blame_entry));
- add_blame_entry(unblamed, new_entry);
+ add_blame_entry(unblamed, &split[2]);
}
}
diff --git a/builtin/branch.c b/builtin/branch.c
index 9d30f55b0b..babfd0f730 100644
--- a/builtin/branch.c
+++ b/builtin/branch.c
@@ -190,17 +190,20 @@ static int delete_branches(int argc, const char **argv, int force, int kinds,
int ret = 0;
int remote_branch = 0;
struct strbuf bname = STRBUF_INIT;
+ unsigned allowed_interpret;
switch (kinds) {
case FILTER_REFS_REMOTES:
fmt = "refs/remotes/%s";
/* For subsequent UI messages */
remote_branch = 1;
+ allowed_interpret = INTERPRET_BRANCH_REMOTE;
force = 1;
break;
case FILTER_REFS_BRANCHES:
fmt = "refs/heads/%s";
+ allowed_interpret = INTERPRET_BRANCH_LOCAL;
break;
default:
die(_("cannot use -a with -d"));
@@ -215,7 +218,7 @@ static int delete_branches(int argc, const char **argv, int force, int kinds,
char *target = NULL;
int flags = 0;
- strbuf_branchname(&bname, argv[i]);
+ strbuf_branchname(&bname, argv[i], allowed_interpret);
free(name);
name = mkpathdup(fmt, bname.buf);
diff --git a/builtin/checkout.c b/builtin/checkout.c
index f174f50303..81f07c3ef2 100644
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -452,7 +452,7 @@ static void setup_branch_path(struct branch_info *branch)
{
struct strbuf buf = STRBUF_INIT;
- strbuf_branchname(&buf, branch->name);
+ strbuf_branchname(&buf, branch->name, INTERPRET_BRANCH_LOCAL);
if (strcmp(buf.buf, branch->name))
branch->name = xstrdup(buf.buf);
strbuf_splice(&buf, 0, 0, "refs/heads/", 11);
diff --git a/builtin/fetch-pack.c b/builtin/fetch-pack.c
index cfe9e447c2..2a1c1c213f 100644
--- a/builtin/fetch-pack.c
+++ b/builtin/fetch-pack.c
@@ -219,12 +219,7 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix)
* remote no-such-ref' would silently succeed without issuing
* an error.
*/
- for (i = 0; i < nr_sought; i++) {
- if (!sought[i] || sought[i]->matched)
- continue;
- error("no such remote ref %s", sought[i]->name);
- ret = 1;
- }
+ ret |= report_unmatched_refs(sought, nr_sought);
while (ref) {
printf("%s %s\n",
diff --git a/builtin/gc.c b/builtin/gc.c
index 331f219260..a2b9e8924e 100644
--- a/builtin/gc.c
+++ b/builtin/gc.c
@@ -33,6 +33,8 @@ static int aggressive_window = 250;
static int gc_auto_threshold = 6700;
static int gc_auto_pack_limit = 50;
static int detach_auto = 1;
+static unsigned long gc_log_expire_time;
+static const char *gc_log_expire = "1.day.ago";
static const char *prune_expire = "2.weeks.ago";
static const char *prune_worktrees_expire = "3.months.ago";
@@ -76,10 +78,28 @@ static void git_config_date_string(const char *key, const char **output)
static void process_log_file(void)
{
struct stat st;
- if (!fstat(get_lock_file_fd(&log_lock), &st) && st.st_size)
+ if (fstat(get_lock_file_fd(&log_lock), &st)) {
+ /*
+ * Perhaps there was an i/o error or another
+ * unlikely situation. Try to make a note of
+ * this in gc.log along with any existing
+ * messages.
+ */
+ int saved_errno = errno;
+ fprintf(stderr, _("Failed to fstat %s: %s"),
+ get_tempfile_path(&log_lock.tempfile),
+ strerror(saved_errno));
+ fflush(stderr);
commit_lock_file(&log_lock);
- else
+ errno = saved_errno;
+ } else if (st.st_size) {
+ /* There was some error recorded in the lock file */
+ commit_lock_file(&log_lock);
+ } else {
+ /* No error, clean up any old gc.log */
+ unlink(git_path("gc.log"));
rollback_lock_file(&log_lock);
+ }
}
static void process_log_file_at_exit(void)
@@ -113,6 +133,8 @@ static void gc_config(void)
git_config_get_bool("gc.autodetach", &detach_auto);
git_config_date_string("gc.pruneexpire", &prune_expire);
git_config_date_string("gc.worktreepruneexpire", &prune_worktrees_expire);
+ git_config_date_string("gc.logexpiry", &gc_log_expire);
+
git_config(git_default_config, NULL);
}
@@ -290,19 +312,34 @@ static const char *lock_repo_for_gc(int force, pid_t* ret_pid)
static int report_last_gc_error(void)
{
struct strbuf sb = STRBUF_INIT;
- int ret;
+ int ret = 0;
+ struct stat st;
+ char *gc_log_path = git_pathdup("gc.log");
- ret = strbuf_read_file(&sb, git_path("gc.log"), 0);
+ if (stat(gc_log_path, &st)) {
+ if (errno == ENOENT)
+ goto done;
+
+ ret = error_errno(_("Can't stat %s"), gc_log_path);
+ goto done;
+ }
+
+ if (st.st_mtime < gc_log_expire_time)
+ goto done;
+
+ ret = strbuf_read_file(&sb, gc_log_path, 0);
if (ret > 0)
- return error(_("The last gc run reported the following. "
+ ret = error(_("The last gc run reported the following. "
"Please correct the root cause\n"
"and remove %s.\n"
"Automatic cleanup will not be performed "
"until the file is removed.\n\n"
"%s"),
- git_path("gc.log"), sb.buf);
+ gc_log_path, sb.buf);
strbuf_release(&sb);
- return 0;
+done:
+ free(gc_log_path);
+ return ret;
}
static int gc_before_repack(void)
@@ -349,7 +386,10 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
argv_array_pushl(&prune_worktrees, "worktree", "prune", "--expire", NULL);
argv_array_pushl(&rerere, "rerere", "gc", NULL);
+ /* default expiry time, overwritten in gc_config */
gc_config();
+ if (parse_expiry_date(gc_log_expire, &gc_log_expire_time))
+ die(_("Failed to parse gc.logexpiry value %s"), gc_log_expire);
if (pack_refs < 0)
pack_refs = !is_bare_repository();
@@ -448,5 +488,8 @@ int cmd_gc(int argc, const char **argv, const char *prefix)
warning(_("There are too many unreachable loose objects; "
"run 'git prune' to remove them."));
+ if (!daemonized)
+ unlink(git_path("gc.log"));
+
return 0;
}
diff --git a/builtin/grep.c b/builtin/grep.c
index 2c727ef499..9304c33e75 100644
--- a/builtin/grep.c
+++ b/builtin/grep.c
@@ -967,6 +967,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
int dummy;
int use_index = 1;
int pattern_type_arg = GREP_PATTERN_TYPE_UNSPECIFIED;
+ int allow_revs;
struct option options[] = {
OPT_BOOL(0, "cached", &cached,
@@ -1149,26 +1150,69 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
compile_grep_patterns(&opt);
- /* Check revs and then paths */
+ /*
+ * We have to find "--" in a separate pass, because its presence
+ * influences how we will parse arguments that come before it.
+ */
+ for (i = 0; i < argc; i++) {
+ if (!strcmp(argv[i], "--")) {
+ seen_dashdash = 1;
+ break;
+ }
+ }
+
+ /*
+ * Resolve any rev arguments. If we have a dashdash, then everything up
+ * to it must resolve as a rev. If not, then we stop at the first
+ * non-rev and assume everything else is a path.
+ */
+ allow_revs = use_index && !untracked;
for (i = 0; i < argc; i++) {
const char *arg = argv[i];
unsigned char sha1[20];
struct object_context oc;
- /* Is it a rev? */
- if (!get_sha1_with_context(arg, 0, sha1, &oc)) {
- struct object *object = parse_object_or_die(sha1, arg);
- if (!seen_dashdash)
- verify_non_filename(prefix, arg);
- add_object_array_with_path(object, arg, &list, oc.mode, oc.path);
- continue;
- }
+ struct object *object;
+
if (!strcmp(arg, "--")) {
i++;
- seen_dashdash = 1;
+ break;
}
- break;
+
+ if (!allow_revs) {
+ if (seen_dashdash)
+ die(_("--no-index or --untracked cannot be used with revs"));
+ break;
+ }
+
+ if (get_sha1_with_context(arg, 0, sha1, &oc)) {
+ if (seen_dashdash)
+ die(_("unable to resolve revision: %s"), arg);
+ break;
+ }
+
+ object = parse_object_or_die(sha1, arg);
+ if (!seen_dashdash)
+ verify_non_filename(prefix, arg);
+ add_object_array_with_path(object, arg, &list, oc.mode, oc.path);
}
+ /*
+ * Anything left over is presumed to be a path. But in the non-dashdash
+ * "do what I mean" case, we verify and complain when that isn't true.
+ */
+ if (!seen_dashdash) {
+ int j;
+ for (j = i; j < argc; j++)
+ verify_filename(prefix, argv[j], j == i && allow_revs);
+ }
+
+ parse_pathspec(&pathspec, 0,
+ PATHSPEC_PREFER_CWD |
+ (opt.max_depth != -1 ? PATHSPEC_MAXDEPTH_VALID : 0),
+ prefix, argv + i);
+ pathspec.max_depth = opt.max_depth;
+ pathspec.recursive = 1;
+
#ifndef NO_PTHREADS
if (list.nr || cached || show_in_pager)
num_threads = 0;
@@ -1190,20 +1234,6 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
}
#endif
- /* The rest are paths */
- if (!seen_dashdash) {
- int j;
- for (j = i; j < argc; j++)
- verify_filename(prefix, argv[j], j == i);
- }
-
- parse_pathspec(&pathspec, 0,
- PATHSPEC_PREFER_CWD |
- (opt.max_depth != -1 ? PATHSPEC_MAXDEPTH_VALID : 0),
- prefix, argv + i);
- pathspec.max_depth = opt.max_depth;
- pathspec.recursive = 1;
-
if (recurse_submodules) {
gitmodules_config();
compile_submodule_options(&opt, &pathspec, cached, untracked,
@@ -1245,8 +1275,6 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
if (!use_index || untracked) {
int use_exclude = (opt_exclude < 0) ? use_index : !!opt_exclude;
- if (list.nr)
- die(_("--no-index or --untracked cannot be used with revs."));
hit = grep_directory(&opt, &pathspec, use_exclude, use_index);
} else if (0 <= opt_exclude) {
die(_("--[no-]exclude-standard cannot be used for tracked contents."));
diff --git a/builtin/index-pack.c b/builtin/index-pack.c
index f4b87c6c9f..88d205f858 100644
--- a/builtin/index-pack.c
+++ b/builtin/index-pack.c
@@ -1386,7 +1386,9 @@ static void final(const char *final_pack_name, const char *curr_pack_name,
unsigned char *sha1)
{
const char *report = "pack";
- char name[PATH_MAX];
+ struct strbuf pack_name = STRBUF_INIT;
+ struct strbuf index_name = STRBUF_INIT;
+ struct strbuf keep_name_buf = STRBUF_INIT;
int err;
if (!from_stdin) {
@@ -1402,14 +1404,13 @@ static void final(const char *final_pack_name, const char *curr_pack_name,
int keep_fd, keep_msg_len = strlen(keep_msg);
if (!keep_name)
- keep_fd = odb_pack_keep(name, sizeof(name), sha1);
- else
- keep_fd = open(keep_name, O_RDWR|O_CREAT|O_EXCL, 0600);
+ keep_name = odb_pack_name(&keep_name_buf, sha1, "keep");
+ keep_fd = odb_pack_keep(keep_name);
if (keep_fd < 0) {
if (errno != EEXIST)
die_errno(_("cannot write keep file '%s'"),
- keep_name ? keep_name : name);
+ keep_name);
} else {
if (keep_msg_len > 0) {
write_or_die(keep_fd, keep_msg, keep_msg_len);
@@ -1417,28 +1418,22 @@ static void final(const char *final_pack_name, const char *curr_pack_name,
}
if (close(keep_fd) != 0)
die_errno(_("cannot close written keep file '%s'"),
- keep_name ? keep_name : name);
+ keep_name);
report = "keep";
}
}
if (final_pack_name != curr_pack_name) {
- if (!final_pack_name) {
- snprintf(name, sizeof(name), "%s/pack/pack-%s.pack",
- get_object_directory(), sha1_to_hex(sha1));
- final_pack_name = name;
- }
+ if (!final_pack_name)
+ final_pack_name = odb_pack_name(&pack_name, sha1, "pack");
if (finalize_object_file(curr_pack_name, final_pack_name))
die(_("cannot store pack file"));
} else if (from_stdin)
chmod(final_pack_name, 0444);
if (final_index_name != curr_index_name) {
- if (!final_index_name) {
- snprintf(name, sizeof(name), "%s/pack/pack-%s.idx",
- get_object_directory(), sha1_to_hex(sha1));
- final_index_name = name;
- }
+ if (!final_index_name)
+ final_index_name = odb_pack_name(&index_name, sha1, "idx");
if (finalize_object_file(curr_index_name, final_index_name))
die(_("cannot store index file"));
} else
@@ -1464,6 +1459,10 @@ static void final(const char *final_pack_name, const char *curr_pack_name,
input_offset += err;
}
}
+
+ strbuf_release(&index_name);
+ strbuf_release(&pack_name);
+ strbuf_release(&keep_name_buf);
}
static int git_index_pack_config(const char *k, const char *v, void *cb)
diff --git a/builtin/merge.c b/builtin/merge.c
index a96d4fb501..848a298556 100644
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -438,7 +438,7 @@ static void merge_name(const char *remote, struct strbuf *msg)
char *found_ref;
int len, early;
- strbuf_branchname(&bname, remote);
+ strbuf_branchname(&bname, remote, 0);
remote = bname.buf;
memset(branch_head, 0, sizeof(branch_head));
diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index 8841f8b366..c7af475485 100644
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -1539,6 +1539,8 @@ static int pack_offset_sort(const void *_a, const void *_b)
* 2. Updating our size/type to the non-delta representation. These were
* either not recorded initially (size) or overwritten with the delta type
* (type) when check_object() decided to reuse the delta.
+ *
+ * 3. Resetting our delta depth, as we are now a base object.
*/
static void drop_reused_delta(struct object_entry *entry)
{
@@ -1552,6 +1554,7 @@ static void drop_reused_delta(struct object_entry *entry)
p = &(*p)->delta_sibling;
}
entry->delta = NULL;
+ entry->depth = 0;
oi.sizep = &entry->size;
oi.typep = &entry->type;
@@ -1570,39 +1573,123 @@ static void drop_reused_delta(struct object_entry *entry)
* Follow the chain of deltas from this entry onward, throwing away any links
* that cause us to hit a cycle (as determined by the DFS state flags in
* the entries).
+ *
+ * We also detect too-long reused chains that would violate our --depth
+ * limit.
*/
static void break_delta_chains(struct object_entry *entry)
{
- /* If it's not a delta, it can't be part of a cycle. */
- if (!entry->delta) {
- entry->dfs_state = DFS_DONE;
- return;
- }
+ /*
+ * The actual depth of each object we will write is stored as an int,
+ * as it cannot exceed our int "depth" limit. But before we break
+ * changes based no that limit, we may potentially go as deep as the
+ * number of objects, which is elsewhere bounded to a uint32_t.
+ */
+ uint32_t total_depth;
+ struct object_entry *cur, *next;
+
+ for (cur = entry, total_depth = 0;
+ cur;
+ cur = cur->delta, total_depth++) {
+ if (cur->dfs_state == DFS_DONE) {
+ /*
+ * We've already seen this object and know it isn't
+ * part of a cycle. We do need to append its depth
+ * to our count.
+ */
+ total_depth += cur->depth;
+ break;
+ }
- switch (entry->dfs_state) {
- case DFS_NONE:
/*
- * This is the first time we've seen the object. We mark it as
- * part of the active potential cycle and recurse.
+ * We break cycles before looping, so an ACTIVE state (or any
+ * other cruft which made its way into the state variable)
+ * is a bug.
*/
- entry->dfs_state = DFS_ACTIVE;
- break_delta_chains(entry->delta);
- entry->dfs_state = DFS_DONE;
- break;
+ if (cur->dfs_state != DFS_NONE)
+ die("BUG: confusing delta dfs state in first pass: %d",
+ cur->dfs_state);
- case DFS_DONE:
- /* object already examined, and not part of a cycle */
- break;
+ /*
+ * Now we know this is the first time we've seen the object. If
+ * it's not a delta, we're done traversing, but we'll mark it
+ * done to save time on future traversals.
+ */
+ if (!cur->delta) {
+ cur->dfs_state = DFS_DONE;
+ break;
+ }
- case DFS_ACTIVE:
/*
- * We found a cycle that needs broken. It would be correct to
- * break any link in the chain, but it's convenient to
- * break this one.
+ * Mark ourselves as active and see if the next step causes
+ * us to cycle to another active object. It's important to do
+ * this _before_ we loop, because it impacts where we make the
+ * cut, and thus how our total_depth counter works.
+ * E.g., We may see a partial loop like:
+ *
+ * A -> B -> C -> D -> B
+ *
+ * Cutting B->C breaks the cycle. But now the depth of A is
+ * only 1, and our total_depth counter is at 3. The size of the
+ * error is always one less than the size of the cycle we
+ * broke. Commits C and D were "lost" from A's chain.
+ *
+ * If we instead cut D->B, then the depth of A is correct at 3.
+ * We keep all commits in the chain that we examined.
*/
- drop_reused_delta(entry);
- entry->dfs_state = DFS_DONE;
- break;
+ cur->dfs_state = DFS_ACTIVE;
+ if (cur->delta->dfs_state == DFS_ACTIVE) {
+ drop_reused_delta(cur);
+ cur->dfs_state = DFS_DONE;
+ break;
+ }
+ }
+
+ /*
+ * And now that we've gone all the way to the bottom of the chain, we
+ * need to clear the active flags and set the depth fields as
+ * appropriate. Unlike the loop above, which can quit when it drops a
+ * delta, we need to keep going to look for more depth cuts. So we need
+ * an extra "next" pointer to keep going after we reset cur->delta.
+ */
+ for (cur = entry; cur; cur = next) {
+ next = cur->delta;
+
+ /*
+ * We should have a chain of zero or more ACTIVE states down to
+ * a final DONE. We can quit after the DONE, because either it
+ * has no bases, or we've already handled them in a previous
+ * call.
+ */
+ if (cur->dfs_state == DFS_DONE)
+ break;
+ else if (cur->dfs_state != DFS_ACTIVE)
+ die("BUG: confusing delta dfs state in second pass: %d",
+ cur->dfs_state);
+
+ /*
+ * If the total_depth is more than depth, then we need to snip
+ * the chain into two or more smaller chains that don't exceed
+ * the maximum depth. Most of the resulting chains will contain
+ * (depth + 1) entries (i.e., depth deltas plus one base), and
+ * the last chain (i.e., the one containing entry) will contain
+ * whatever entries are left over, namely
+ * (total_depth % (depth + 1)) of them.
+ *
+ * Since we are iterating towards decreasing depth, we need to
+ * decrement total_depth as we go, and we need to write to the
+ * entry what its final depth will be after all of the
+ * snipping. Since we're snipping into chains of length (depth
+ * + 1) entries, the final depth of an entry will be its
+ * original depth modulo (depth + 1). Any time we encounter an
+ * entry whose final depth is supposed to be zero, we snip it
+ * from its delta base, thereby making it so.
+ */
+ cur->depth = (total_depth--) % (depth + 1);
+ if (!cur->depth)
+ drop_reused_delta(cur);
+
+ cur->dfs_state = DFS_DONE;
}
}
diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index 1dbb8a0692..b618d52139 100644
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -1125,25 +1125,22 @@ static const char *update(struct command *cmd, struct shallow_info *si)
static void run_update_post_hook(struct command *commands)
{
struct command *cmd;
- int argc;
struct child_process proc = CHILD_PROCESS_INIT;
const char *hook;
hook = find_hook("post-update");
- for (argc = 0, cmd = commands; cmd; cmd = cmd->next) {
- if (cmd->error_string || cmd->did_not_exist)
- continue;
- argc++;
- }
- if (!argc || !hook)
+ if (!hook)
return;
- argv_array_push(&proc.args, hook);
for (cmd = commands; cmd; cmd = cmd->next) {
if (cmd->error_string || cmd->did_not_exist)
continue;
+ if (!proc.args.argc)
+ argv_array_push(&proc.args, hook);
argv_array_push(&proc.args, cmd->ref_name);
}
+ if (!proc.args.argc)
+ return;
proc.no_stdin = 1;
proc.stdout_to_stderr = 1;
@@ -1664,8 +1661,11 @@ static const char *unpack(int err_fd, struct shallow_info *si)
}
tmp_objdir = tmp_objdir_create();
- if (!tmp_objdir)
+ if (!tmp_objdir) {
+ if (err_fd > 0)
+ close(err_fd);
return "unable to create temporary object directory";
+ }
child.env = tmp_objdir_env(tmp_objdir);
/*
diff --git a/builtin/remote.c b/builtin/remote.c
index 5339ed6ad1..7682206c1e 100644
--- a/builtin/remote.c
+++ b/builtin/remote.c
@@ -769,7 +769,9 @@ static int rm(int argc, const char **argv)
strbuf_reset(&buf);
strbuf_addf(&buf, "branch.%s.%s",
item->string, *k);
- git_config_set(buf.buf, NULL);
+ result = git_config_set_gently(buf.buf, NULL);
+ if (result && result != CONFIG_NOTHING_SET)
+ die(_("could not unset '%s'"), buf.buf);
}
}
}
diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
index ff13e59e1d..ed8819b451 100644
--- a/builtin/rev-parse.c
+++ b/builtin/rev-parse.c
@@ -535,6 +535,34 @@ N_("git rev-parse --parseopt [<options>] -- [<args>...]\n"
"\n"
"Run \"git rev-parse --parseopt -h\" for more information on the first usage.");
+/*
+ * Parse "opt" or "opt=<value>", setting value respectively to either
+ * NULL or the string after "=".
+ */
+static int opt_with_value(const char *arg, const char *opt, const char **value)
+{
+ if (skip_prefix(arg, opt, &arg)) {
+ if (!*arg) {
+ *value = NULL;
+ return 1;
+ }
+ if (*arg++ == '=') {
+ *value = arg;
+ return 1;
+ }
+ }
+ return 0;
+}
+
+static void handle_ref_opt(const char *pattern, const char *prefix)
+{
+ if (pattern)
+ for_each_glob_ref_in(show_reference, pattern, prefix, NULL);
+ else
+ for_each_ref_in(prefix, show_reference, NULL);
+ clear_ref_exclusion(&ref_excludes);
+}
+
int cmd_rev_parse(int argc, const char **argv, const char *prefix)
{
int i, as_is = 0, verify = 0, quiet = 0, revs_count = 0, type = 0;
@@ -671,14 +699,13 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
flags |= GET_SHA1_QUIETLY;
continue;
}
- if (!strcmp(arg, "--short") ||
- starts_with(arg, "--short=")) {
+ if (opt_with_value(arg, "--short", &arg)) {
filter &= ~(DO_FLAGS|DO_NOREV);
verify = 1;
abbrev = DEFAULT_ABBREV;
- if (!arg[7])
+ if (!arg)
continue;
- abbrev = strtoul(arg + 8, NULL, 10);
+ abbrev = strtoul(arg, NULL, 10);
if (abbrev < MINIMUM_ABBREV)
abbrev = MINIMUM_ABBREV;
else if (40 <= abbrev)
@@ -701,17 +728,17 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
symbolic = SHOW_SYMBOLIC_FULL;
continue;
}
- if (starts_with(arg, "--abbrev-ref") &&
- (!arg[12] || arg[12] == '=')) {
+ if (opt_with_value(arg, "--abbrev-ref", &arg)) {
abbrev_ref = 1;
abbrev_ref_strict = warn_ambiguous_refs;
- if (arg[12] == '=') {
- if (!strcmp(arg + 13, "strict"))
+ if (arg) {
+ if (!strcmp(arg, "strict"))
abbrev_ref_strict = 1;
- else if (!strcmp(arg + 13, "loose"))
+ else if (!strcmp(arg, "loose"))
abbrev_ref_strict = 0;
else
- die("unknown mode for %s", arg);
+ die("unknown mode for --abbrev-ref: %s",
+ arg);
}
continue;
}
@@ -719,8 +746,8 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
for_each_ref(show_reference, NULL);
continue;
}
- if (starts_with(arg, "--disambiguate=")) {
- for_each_abbrev(arg + 15, show_abbrev, NULL);
+ if (skip_prefix(arg, "--disambiguate=", &arg)) {
+ for_each_abbrev(arg, show_abbrev, NULL);
continue;
}
if (!strcmp(arg, "--bisect")) {
@@ -728,46 +755,24 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
for_each_ref_in("refs/bisect/good", anti_reference, NULL);
continue;
}
- if (starts_with(arg, "--branches=")) {
- for_each_glob_ref_in(show_reference, arg + 11,
- "refs/heads/", NULL);
- clear_ref_exclusion(&ref_excludes);
- continue;
- }
- if (!strcmp(arg, "--branches")) {
- for_each_branch_ref(show_reference, NULL);
- clear_ref_exclusion(&ref_excludes);
- continue;
- }
- if (starts_with(arg, "--tags=")) {
- for_each_glob_ref_in(show_reference, arg + 7,
- "refs/tags/", NULL);
- clear_ref_exclusion(&ref_excludes);
- continue;
- }
- if (!strcmp(arg, "--tags")) {
- for_each_tag_ref(show_reference, NULL);
- clear_ref_exclusion(&ref_excludes);
+ if (opt_with_value(arg, "--branches", &arg)) {
+ handle_ref_opt(arg, "refs/heads/");
continue;
}
- if (starts_with(arg, "--glob=")) {
- for_each_glob_ref(show_reference, arg + 7, NULL);
- clear_ref_exclusion(&ref_excludes);
+ if (opt_with_value(arg, "--tags", &arg)) {
+ handle_ref_opt(arg, "refs/tags/");
continue;
}
- if (starts_with(arg, "--remotes=")) {
- for_each_glob_ref_in(show_reference, arg + 10,
- "refs/remotes/", NULL);
- clear_ref_exclusion(&ref_excludes);
+ if (skip_prefix(arg, "--glob=", &arg)) {
+ handle_ref_opt(arg, NULL);
continue;
}
- if (!strcmp(arg, "--remotes")) {
- for_each_remote_ref(show_reference, NULL);
- clear_ref_exclusion(&ref_excludes);
+ if (opt_with_value(arg, "--remotes", &arg)) {
+ handle_ref_opt(arg, "refs/remotes/");
continue;
}
- if (starts_with(arg, "--exclude=")) {
- add_ref_exclusion(&ref_excludes, arg + 10);
+ if (skip_prefix(arg, "--exclude=", &arg)) {
+ add_ref_exclusion(&ref_excludes, arg);
continue;
}
if (!strcmp(arg, "--show-toplevel")) {
@@ -849,20 +854,20 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
}
continue;
}
- if (starts_with(arg, "--since=")) {
- show_datestring("--max-age=", arg+8);
+ if (skip_prefix(arg, "--since=", &arg)) {
+ show_datestring("--max-age=", arg);
continue;
}
- if (starts_with(arg, "--after=")) {
- show_datestring("--max-age=", arg+8);
+ if (skip_prefix(arg, "--after=", &arg)) {
+ show_datestring("--max-age=", arg);
continue;
}
- if (starts_with(arg, "--before=")) {
- show_datestring("--min-age=", arg+9);
+ if (skip_prefix(arg, "--before=", &arg)) {
+ show_datestring("--min-age=", arg);
continue;
}
- if (starts_with(arg, "--until=")) {
- show_datestring("--min-age=", arg+8);
+ if (skip_prefix(arg, "--until=", &arg)) {
+ show_datestring("--min-age=", arg);
continue;
}
if (show_flag(arg) && verify)
diff --git a/builtin/shortlog.c b/builtin/shortlog.c
index c9585d475d..677f372083 100644
--- a/builtin/shortlog.c
+++ b/builtin/shortlog.c
@@ -149,7 +149,6 @@ void shortlog_add_commit(struct shortlog *log, struct commit *commit)
ctx.fmt = CMIT_FMT_USERFORMAT;
ctx.abbrev = log->abbrev;
ctx.subject = "";
- ctx.after_subject = "";
ctx.date_mode.type = DATE_NORMAL;
ctx.output_encoding = get_log_output_encoding();
diff --git a/builtin/show-branch.c b/builtin/show-branch.c
index 974f3403ab..19756595d5 100644
--- a/builtin/show-branch.c
+++ b/builtin/show-branch.c
@@ -275,8 +275,7 @@ static void show_one_commit(struct commit *commit, int no_name)
pp_commit_easy(CMIT_FMT_ONELINE, commit, &pretty);
pretty_str = pretty.buf;
}
- if (starts_with(pretty_str, "[PATCH] "))
- pretty_str += 8;
+ skip_prefix(pretty_str, "[PATCH] ", &pretty_str);
if (!no_name) {
if (name && name->head_name) {
@@ -470,18 +469,14 @@ static void snarf_refs(int head, int remotes)
}
}
-static int rev_is_head(char *head, int headlen, char *name,
+static int rev_is_head(const char *head, const char *name,
unsigned char *head_sha1, unsigned char *sha1)
{
- if ((!head[0]) ||
- (head_sha1 && sha1 && hashcmp(head_sha1, sha1)))
+ if (!head || (head_sha1 && sha1 && hashcmp(head_sha1, sha1)))
return 0;
- if (starts_with(head, "refs/heads/"))
- head += 11;
- if (starts_with(name, "refs/heads/"))
- name += 11;
- else if (starts_with(name, "heads/"))
- name += 6;
+ skip_prefix(head, "refs/heads/", &head);
+ if (!skip_prefix(name, "refs/heads/", &name))
+ skip_prefix(name, "heads/", &name);
return !strcmp(head, name);
}
@@ -620,9 +615,7 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
int all_heads = 0, all_remotes = 0;
int all_mask, all_revs;
enum rev_sort_order sort_order = REV_SORT_IN_GRAPH_ORDER;
- char head[128];
- const char *head_p;
- int head_len;
+ char *head;
struct object_id head_oid;
int merge_base = 0;
int independent = 0;
@@ -787,32 +780,24 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
snarf_refs(all_heads, all_remotes);
}
- head_p = resolve_ref_unsafe("HEAD", RESOLVE_REF_READING,
- head_oid.hash, NULL);
- if (head_p) {
- head_len = strlen(head_p);
- memcpy(head, head_p, head_len + 1);
- }
- else {
- head_len = 0;
- head[0] = 0;
- }
+ head = resolve_refdup("HEAD", RESOLVE_REF_READING,
+ head_oid.hash, NULL);
- if (with_current_branch && head_p) {
+ if (with_current_branch && head) {
int has_head = 0;
for (i = 0; !has_head && i < ref_name_cnt; i++) {
/* We are only interested in adding the branch
* HEAD points at.
*/
if (rev_is_head(head,
- head_len,
ref_name[i],
head_oid.hash, NULL))
has_head++;
}
if (!has_head) {
- int offset = starts_with(head, "refs/heads/") ? 11 : 0;
- append_one_rev(head + offset);
+ const char *name = head;
+ skip_prefix(name, "refs/heads/", &name);
+ append_one_rev(name);
}
}
@@ -866,7 +851,6 @@ int cmd_show_branch(int ac, const char **av, const char *prefix)
for (i = 0; i < num_rev; i++) {
int j;
int is_head = rev_is_head(head,
- head_len,
ref_name[i],
head_oid.hash,
rev[i]->object.oid.hash);