On Mon, Dec 13, 2010 at 03:20:07PM +0000, Sergio wrote:
> on 1.7.3.3, I have noticed that git --commit silently ignores the
> --date=<date> switch if <date> is not in the current format.
>
> for instance
>
> git --commit --amend --date="10.11.2010" creates a commit with the current
> date and time, because the --date argument misses the time.
>
> possibly, it would be better to stop with an error message.
Yeah, we should definitely be flagging the error. This patch fixes it,
but I'm not sure if it is optimal (see below).
-- >8 --
Subject: [PATCH/RFC] ident: die on bogus date format
If the user gives "git commit --date=foobar", we silently
ignore the --date flag. We should note the error.
This patch puts the fix at the lowest level of fmt_ident,
which means it also handles GIT_AUTHOR_DATE=foobar, as well.
There are two down-sides to this approach:
1. Technically this breaks somebody doing something like
"git commit --date=now", which happened to work because
bogus data is the same as "now". Though we do
explicitly handle the empty string, so anybody passing
an empty variable through the environment will still
work.
If the error is too much, perhaps it can be downgraded
to a warning?
2. The error checking happens _after_ the commit message
is written, which can be annoying to the user. We can
put explicit checks closer to the beginning of
git-commit, but that feels a little hack-ish; suddenly
git-commit has to care about how fmt_ident works. Maybe
we could simply call fmt_ident earlier?
Signed-off-by: Jeff King <peff@xxxxxxxx>
---
ident.c | 6 ++++--
t/t7501-commit.sh | 4 ++++
2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/ident.c b/ident.c
index 9e24388..1c4adb0 100644
--- a/ident.c
+++ b/ident.c
@@ -217,8 +217,10 @@ const char *fmt_ident(const char *name, const char *email,
}
strcpy(date, git_default_date);
- if (!name_addr_only && date_str)
- parse_date(date_str, date, sizeof(date));
+ if (!name_addr_only && date_str && date_str[0]) {
+ if (parse_date(date_str, date, sizeof(date)) < 0)
+ die("invalid date format: %s", date_str);
+ }
i = copy(buffer, sizeof(buffer), 0, name);
i = add_raw(buffer, sizeof(buffer), i, " <");
diff --git a/t/t7501-commit.sh b/t/t7501-commit.sh
index 8297cb4..8980738 100755
--- a/t/t7501-commit.sh
+++ b/t/t7501-commit.sh
@@ -230,6 +230,10 @@ test_expect_success 'amend commit to fix date' '
'
+test_expect_success 'commit complains about bogus date' '
+ test_must_fail git commit --amend --date=10.11.2010
+'
+
test_expect_success 'sign off (1)' '
echo 1 >positive &&
--
1.7.3.3.784.gccc31.dirty
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