On Fri, May 12, 2017 at 10:19:59AM -0400, Josh Hagins wrote:
> Since upgrading to Git 2.13.0 I'm seeing this error message whenever
> `git config --local <whatever>` is called outside a Git repository.
> For example, note the difference in behavior between Git 2.13 and
> Apple Git:
>
> $ pwd
> /Users/jhagins
> $ /usr/bin/git --version
> git version 2.11.0 (Apple Git-81)
> $ /usr/bin/git config --local --get user.name
> $ /usr/local/bin/git --version
> git version 2.13.0
> $ /usr/local/bin/git config --local --get user.name
> fatal: BUG: setup_git_env called without repository
>
> Apple Git outputs nothing, as expected. The summarized release notes
> published by GitHub specifically mentioned that instances of this
> error message should be reported, so here you go!
Thanks for reporting. All the developers have been running with this
change for months, but I knew as soon as it was released into the wild
that somebody would find a new corner case. :)
I think dying is the right thing here; you are asking for "--local" but
there is no local repository. But we should never hit a BUG assertion.
Patch is below.
I'm not sure exactly what you wanted to accomplish with --local. If you
just want to know if user.name is set anywhere (and you may or may not
be in a git repo), then just "git config --get user.name" would work. If
you want to know if you're in a local repo and if so whether the
variable is set, you'd need to use two commands, like:
git rev-parse --git-dir >/dev/null 2>&1 &&
git config --local --get user.name
-- >8 --
Subject: [PATCH] config: complain about --local outside of a git repo
The "--local" option instructs git-config to read or modify
the repository-level config. This doesn't make any sense if
you're not actually in a repository.
Older versions of Git would blindly try to read or write
".git/config". For reading, this would result in a quiet
failure, since there was no config to read (and thus no
matching config value). Writing would generally fail
noisily, since ".git" was unlikely to exist. But since
b1ef400ee (setup_git_env: avoid blind fall-back to ".git",
2016-10-20), we catch this in the call to git_pathdup() and
die("BUG").
Dying is the right thing to do, but we should catch the
problem early and give a more human-friendly error message.
Note that even without --local, git-config will sometimes
default to using local repository config. These cases are
already protected by a similar check.
Signed-off-by: Jeff King <peff@xxxxxxxx>
---
builtin/config.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/builtin/config.c b/builtin/config.c
index 3a554ad50..ad7c6a19c 100644
--- a/builtin/config.c
+++ b/builtin/config.c
@@ -496,6 +496,9 @@ int cmd_config(int argc, const char **argv, const char *prefix)
usage_with_options(builtin_config_usage, builtin_config_options);
}
+ if (use_local_config && nongit)
+ die(_("--local only be used inside a git repository"));
+
if (given_config_source.file &&
!strcmp(given_config_source.file, "-")) {
given_config_source.file = NULL;
--
2.13.0.452.g0afc8e12b