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authorJunio C Hamano <gitster@pobox.com>2011-05-19 01:08:09 (GMT)
committerJunio C Hamano <gitster@pobox.com>2011-05-19 17:55:54 (GMT)
commitcc243c3cebd58d06bc4e064b08fa9c3fdd565250 (patch)
tree7e19382ea9f0ca90796d7ee95c0e0c8e2dd98bad
parent46538012d943156ead4024fb510a1ce5d4ff443a (diff)
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show: --ignore-missing
Instead of barfing, simply ignore bad object names seen in the input. This is useful when reading from "git notes list" output that may refer to objects that have already been garbage collected. Signed-off-by: Junio C Hamano <gitster@pobox.com>
-rw-r--r--Documentation/git-rev-list.txt1
-rw-r--r--Documentation/rev-list-options.txt4
-rw-r--r--builtin/rev-parse.c1
-rw-r--r--revision.c15
-rw-r--r--revision.h3
5 files changed, 21 insertions, 3 deletions
diff --git a/Documentation/git-rev-list.txt b/Documentation/git-rev-list.txt
index 415f4f0..38fafca 100644
--- a/Documentation/git-rev-list.txt
+++ b/Documentation/git-rev-list.txt
@@ -29,6 +29,7 @@ SYNOPSIS
[ \--tags[=<pattern>] ]
[ \--remotes[=<pattern>] ]
[ \--glob=<glob-pattern> ]
+ [ \--ignore-missing ]
[ \--stdin ]
[ \--quiet ]
[ \--topo-order ]
diff --git a/Documentation/rev-list-options.txt b/Documentation/rev-list-options.txt
index 52bae31..7e7ba68 100644
--- a/Documentation/rev-list-options.txt
+++ b/Documentation/rev-list-options.txt
@@ -139,6 +139,10 @@ parents) and `--max-parents=-1` (negative numbers denote no upper limit).
is automatically prepended if missing. If pattern lacks '?', '*',
or '[', '/*' at the end is implied.
+--ignore-missing::
+
+ Upon seeing an invalid object name in the input, pretend as if
+ the bad input was not given.
ifndef::git-rev-list[]
--bisect::
diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
index adb1cae..4c19f84 100644
--- a/builtin/rev-parse.c
+++ b/builtin/rev-parse.c
@@ -44,6 +44,7 @@ static int is_rev_argument(const char *arg)
"--branches=",
"--branches",
"--header",
+ "--ignore-missing",
"--max-age=",
"--max-count=",
"--min-age=",
diff --git a/revision.c b/revision.c
index a7cf79b..5cb3a75 100644
--- a/revision.c
+++ b/revision.c
@@ -133,6 +133,8 @@ void mark_parents_uninteresting(struct commit *commit)
static void add_pending_object_with_mode(struct rev_info *revs, struct object *obj, const char *name, unsigned mode)
{
+ if (!obj)
+ return;
if (revs->no_walk && (obj->flags & UNINTERESTING))
revs->no_walk = 0;
if (revs->reflog_info && obj->type == OBJ_COMMIT) {
@@ -174,8 +176,11 @@ static struct object *get_reference(struct rev_info *revs, const char *name, con
struct object *object;
object = parse_object(sha1);
- if (!object)
+ if (!object) {
+ if (revs->ignore_missing)
+ return object;
die("bad object %s", name);
+ }
object->flags |= flags;
return object;
}
@@ -906,6 +911,8 @@ static int add_parents_only(struct rev_info *revs, const char *arg, int flags)
return 0;
while (1) {
it = get_reference(revs, arg, sha1, 0);
+ if (!it && revs->ignore_missing)
+ return 0;
if (it->type != OBJ_TAG)
break;
if (!((struct tag*)it)->tagged)
@@ -1044,6 +1051,8 @@ int handle_revision_arg(const char *arg, struct rev_info *revs,
a = lookup_commit_reference(from_sha1);
b = lookup_commit_reference(sha1);
if (!a || !b) {
+ if (revs->ignore_missing)
+ return 0;
die(symmetric ?
"Invalid symmetric difference expression %s...%s" :
"Invalid revision range %s..%s",
@@ -1090,7 +1099,7 @@ int handle_revision_arg(const char *arg, struct rev_info *revs,
arg++;
}
if (get_sha1_with_mode(arg, sha1, &mode))
- return -1;
+ return revs->ignore_missing ? 0 : -1;
if (!cant_be_filename)
verify_non_filename(revs->prefix, arg);
object = get_reference(revs, arg, sha1, flags ^ local_flags);
@@ -1475,6 +1484,8 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
} else if (!strcmp(arg, "--children")) {
revs->children.name = "children";
revs->limited = 1;
+ } else if (!strcmp(arg, "--ignore-missing")) {
+ revs->ignore_missing = 1;
} else {
int opts = diff_opt_parse(&revs->diffopt, argv, argc);
if (!opts)
diff --git a/revision.h b/revision.h
index bca9947..93f338d 100644
--- a/revision.h
+++ b/revision.h
@@ -36,7 +36,8 @@ struct rev_info {
const char *prefix;
const char *def;
struct pathspec prune_data;
- unsigned int early_output;
+ unsigned int early_output:1,
+ ignore_missing:1;
/* Traversal flags */
unsigned int dense:1,