Currently it just replace "-" in argv[] into "@{-1}".
For example,
git diff -
equals to
git diff @{-1}
Signed-off-by: Senorsen <senorsen.zhang@xxxxxxxxx>
---
Notes:
Hello everyone, I'm Zhang Sen, a college student from Zhejiang University
in China, and this is a patch for the microproject of GSoC 2016. I'm
looking forward to contributing to Git and participating in GSoC 2016.
I have learnt some rules and guides from the documents, and carefully
wrote this small patch, according to other code from git.
Thanks a lot!
builtin/diff.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/builtin/diff.c b/builtin/diff.c
index 52c98a9..c110141 100644
--- a/builtin/diff.c
+++ b/builtin/diff.c
@@ -389,6 +389,11 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
}
}
+ for (i = 0; i < argc; i++) {
+ if (!strcmp(argv[i], "-"))
+ argv[i] = "@{-1}";
+ }
+
for (i = 0; i < rev.pending.nr; i++) {
struct object_array_entry *entry = &rev.pending.objects[i];
struct object *obj = entry->item;
--
2.7.0
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