From: David Turner <dturner@twopensource.com>
To: git@vger.kernel.org, mhagger@alum.mit.edu
Cc: David Turner <dturner@twopensource.com>
Subject: [PATCH v7 6/8] git-reflog: add exists command
Date: Tue, 7 Jul 2015 20:56:01 -0400 [thread overview]
Message-ID: <1436316963-25520-6-git-send-email-dturner@twopensource.com> (raw)
In-Reply-To: <1436316963-25520-1-git-send-email-dturner@twopensource.com>
Theis are necessary because alternate ref backends might store reflogs
somewhere other than .git/logs. Code that now directly manipulates
.git/logs should instead go through git-reflog.
Signed-off-by: David Turner <dturner@twopensource.com>
---
Documentation/git-reflog.txt | 4 ++++
builtin/reflog.c | 33 ++++++++++++++++++++++++++++++++-
t/t1411-reflog-show.sh | 5 +++++
3 files changed, 41 insertions(+), 1 deletion(-)
diff --git a/Documentation/git-reflog.txt b/Documentation/git-reflog.txt
index 5e7908e..4b08fc7 100644
--- a/Documentation/git-reflog.txt
+++ b/Documentation/git-reflog.txt
@@ -23,6 +23,7 @@ depending on the subcommand:
[--dry-run] [--verbose] [--all | <refs>...]
'git reflog delete' [--rewrite] [--updateref]
[--dry-run] [--verbose] ref@\{specifier\}...
+'git reflog exists' <ref>
Reference logs, or "reflogs", record when the tips of branches and
other references were updated in the local repository. Reflogs are
@@ -52,6 +53,9 @@ argument must be an _exact_ entry (e.g. "`git reflog delete
master@{2}`"). This subcommand is also typically not used directly by
end users.
+The "exists" subcommand checks whether a ref has a reflog. It exists
+with zero status if the reflog exists, and non-zero status if it does
+not.
OPTIONS
-------
diff --git a/builtin/reflog.c b/builtin/reflog.c
index c2eb8ff..7ed0e85 100644
--- a/builtin/reflog.c
+++ b/builtin/reflog.c
@@ -13,6 +13,8 @@ static const char reflog_expire_usage[] =
"git reflog expire [--expire=<time>] [--expire-unreachable=<time>] [--rewrite] [--updateref] [--stale-fix] [--dry-run | -n] [--verbose] [--all] <refs>...";
static const char reflog_delete_usage[] =
"git reflog delete [--rewrite] [--updateref] [--dry-run | -n] [--verbose] <refs>...";
+static const char reflog_exists_usage[] =
+"git reflog exists <ref>";
static unsigned long default_reflog_expire;
static unsigned long default_reflog_expire_unreachable;
@@ -699,12 +701,38 @@ static int cmd_reflog_delete(int argc, const char **argv, const char *prefix)
return status;
}
+static int cmd_reflog_exists(int argc, const char **argv, const char *prefix)
+{
+ int i, start = 0;
+
+ for (i = 1; i < argc; i++) {
+ const char *arg = argv[i];
+ if (!strcmp(arg, "--")) {
+ i++;
+ break;
+ }
+ else if (arg[0] == '-')
+ usage(reflog_exists_usage);
+ else
+ break;
+ }
+
+ start = i;
+
+ if (argc - start != 1)
+ usage(reflog_exists_usage);
+
+ if (check_refname_format(argv[start], REFNAME_ALLOW_ONELEVEL))
+ die("invalid ref format: %s", argv[start]);
+ return !reflog_exists(argv[start]);
+}
+
/*
* main "reflog"
*/
static const char reflog_usage[] =
-"git reflog [ show | expire | delete ]";
+"git reflog [ show | expire | delete | exists ]";
int cmd_reflog(int argc, const char **argv, const char *prefix)
{
@@ -724,5 +752,8 @@ int cmd_reflog(int argc, const char **argv, const char *prefix)
if (!strcmp(argv[1], "delete"))
return cmd_reflog_delete(argc - 1, argv + 1, prefix);
+ if (!strcmp(argv[1], "exists"))
+ return cmd_reflog_exists(argc - 1, argv + 1, prefix);
+
return cmd_log_reflog(argc, argv, prefix);
}
diff --git a/t/t1411-reflog-show.sh b/t/t1411-reflog-show.sh
index 6f47c0d..3eb4f10 100755
--- a/t/t1411-reflog-show.sh
+++ b/t/t1411-reflog-show.sh
@@ -166,4 +166,9 @@ test_expect_success 'git log -g -p shows diffs vs. parents' '
test_cmp expect actual
'
+test_expect_success 'reflog exists works' '
+ git reflog exists refs/heads/master &&
+ ! git reflog exists refs/heads/nonexistent
+'
+
test_done
--
2.0.5.499.g01f6352.dirty-twtrsrc
next prev parent reply other threads:[~2015-07-08 0:56 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-08 0:55 [PATCH v7 1/8] refs.c: add err arguments to reflog functions David Turner
2015-07-08 0:55 ` [PATCH v7 2/8] cherry-pick: treat CHERRY_PICK_HEAD and REVERT_HEAD as refs David Turner
2015-07-08 17:46 ` Johannes Sixt
2015-07-08 19:16 ` David Turner
2015-07-08 21:14 ` Johannes Sixt
2015-07-08 23:23 ` Junio C Hamano
2015-07-08 23:44 ` David Turner
2015-07-09 5:55 ` Junio C Hamano
2015-07-09 21:53 ` David Turner
2015-07-09 22:06 ` Junio C Hamano
2015-07-10 4:30 ` Michael Haggerty
2015-07-10 17:59 ` David Turner
2015-07-14 4:33 ` David Turner
2015-07-15 16:24 ` Junio C Hamano
2015-07-15 18:04 ` David Turner
2015-07-08 23:41 ` David Turner
2015-07-08 0:55 ` [PATCH v7 3/8] bisect: treat BISECT_HEAD as a ref David Turner
2015-07-08 0:55 ` [PATCH v7 4/8] refs: Break out check for reflog autocreation David Turner
2015-07-08 0:56 ` [PATCH v7 5/8] refs: new public ref function: safe_create_reflog David Turner
2015-07-08 11:49 ` Michael Haggerty
2015-07-08 0:56 ` David Turner [this message]
2015-07-08 0:56 ` [PATCH v7 7/8] update-ref and tag: add --create-reflog arg David Turner
2015-07-08 13:44 ` Michael Haggerty
2015-07-08 20:21 ` David Turner
2015-07-08 0:56 ` [PATCH v7 8/8] git-stash: use update-ref --create-reflog instead of creating files David Turner
2015-07-08 7:28 ` Junio C Hamano
2015-07-08 7:33 ` Junio C Hamano
2015-07-08 13:50 ` Michael Haggerty
2015-07-08 11:36 ` [PATCH v7 1/8] refs.c: add err arguments to reflog functions Michael Haggerty
2015-07-08 20:01 ` David Turner
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