Sometimes we want to apply in a different index file.
Before the apply functionality was libified it was possible to
use the GIT_INDEX_FILE environment variable, for this purpose.
But now, as the apply functionality has been libified, it should
be possible to do that in a libified way.
Signed-off-by: Christian Couder <chriscool@xxxxxxxxxxxxx>
---
apply.c | 10 ++++++++--
apply.h | 1 +
2 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/apply.c b/apply.c
index 2ec2a8a..7e561a4 100644
--- a/apply.c
+++ b/apply.c
@@ -4674,8 +4674,14 @@ static int apply_patch(struct apply_state *state,
state->apply = 0;
state->update_index = state->check_index && state->apply;
- if (state->update_index && state->newfd < 0)
- state->newfd = hold_locked_index(state->lock_file, 1);
+ if (state->update_index && state->newfd < 0) {
+ if (state->index_file)
+ state->newfd = hold_lock_file_for_update(state->lock_file,
+ state->index_file,
+ LOCK_DIE_ON_ERROR);
+ else
+ state->newfd = hold_locked_index(state->lock_file, 1);
+ }
if (state->check_index && read_cache() < 0) {
error(_("unable to read index file"));
diff --git a/apply.h b/apply.h
index e2b89e8..1ba4f8d 100644
--- a/apply.h
+++ b/apply.h
@@ -63,6 +63,7 @@ struct apply_state {
int unsafe_paths;
/* Other non boolean parameters */
+ const char *index_file;
enum apply_verbosity apply_verbosity;
const char *fake_ancestor;
const char *patch_input_file;
--
2.9.2.769.gc0f0333
--
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