There are two problems here:
1) If no argument is provided, then the command segfaults
2) The argument is not consumed, so there will be excess output
Fix both of these in one go by restructuring the handler for this
option.
Reported-by: Daniel Hahler <genml+git-2...@thequod.de>
Signed-off-by: John Keeping <j...@keeping.me.uk>
---
builtin/rev-parse.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
index aaeb611..645cc4a 100644
--- a/builtin/rev-parse.c
+++ b/builtin/rev-parse.c
@@ -738,9 +738,12 @@ int cmd_rev_parse(int argc, const char **argv, const char
*prefix)
continue;
}
if (!strcmp(arg, "--resolve-git-dir")) {
- const char *gitdir = resolve_gitdir(argv[i+1]);
+ const char *gitdir;
+ if (++i >= argc)
+ die("--resolve-git-dir requires an
argument");
+ gitdir = resolve_gitdir(argv[i]);
if (!gitdir)
- die("not a gitdir '%s'", argv[i+1]);
+ die("not a gitdir '%s'", argv[i]);
puts(gitdir);
continue;
}
--
1.9.0.6.g037df60.dirty
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