To libify `git apply` functionality we have to signal errors to the
caller instead of exit()ing.
To do that in a compatible manner with the rest of the error handling
in "builtin/apply.c", write_out_results() should return -1 instead of
calling exit().
Helped-by: Eric Sunshine <sunsh...@sunshineco.com>
Signed-off-by: Christian Couder <chrisc...@tuxfamily.org>
---
builtin/apply.c | 27 +++++++++++++++++++++------
1 file changed, 21 insertions(+), 6 deletions(-)
diff --git a/builtin/apply.c b/builtin/apply.c
index 003acec..c787ead 100644
--- a/builtin/apply.c
+++ b/builtin/apply.c
@@ -4383,6 +4383,12 @@ static int write_out_one_reject(struct apply_state
*state, struct patch *patch)
return -1;
}
+/*
+ * Returns:
+ * -1 if an error happened
+ * 0 if the patch applied cleanly
+ * 1 if the patch did not apply cleanly
+ */
static int write_out_results(struct apply_state *state, struct patch *list)
{
int phase;
@@ -4396,8 +4402,10 @@ static int write_out_results(struct apply_state *state,
struct patch *list)
if (l->rejected)
errs = 1;
else {
- if (write_out_one_result(state, l, phase))
- exit(128);
+ if (write_out_one_result(state, l, phase)) {
+ string_list_clear(&cpath, 0);
+ return -1;
+ }
if (phase == 1) {
if (write_out_one_reject(state, l))
errs = 1;
@@ -4517,10 +4525,17 @@ static int apply_patch(struct apply_state *state,
}
}
- if (state->apply && write_out_results(state, list)) {
- /* with --3way, we still need to write the index out */
- res = state->apply_with_reject ? -1 : 1;
- goto end;
+ if (state->apply) {
+ int write_res = write_out_results(state, list);
+ if (write_res < 0) {
+ res = -128;
+ goto end;
+ }
+ if (write_res > 0) {
+ /* with --3way, we still need to write the index out */
+ res = state->apply_with_reject ? -1 : 1;
+ goto end;
+ }
}
if (state->fake_ancestor &&
--
2.9.2.614.g4980f51
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