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builtin/apply: make add_index_file() return -1 on error

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To libify `git apply` functionality we have to signal errors to the
caller instead of die()ing.

To do that in a compatible manner with the rest of the error handling
in "builtin/apply.c", add_index_file() should return -1 instead of
calling die().

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Christian Couder 2016-08-08 23:03:19 +02:00 committed by Junio C Hamano
parent a902edceeb
commit 69e1609f81
1 changed files with 31 additions and 17 deletions
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48
builtin/apply.c
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@ -4099,11 +4099,11 @@ static int remove_file(struct apply_state *state, struct patch *patch, int rmdir
return 0;
}
static void add_index_file(struct apply_state *state,
const char *path,
unsigned mode,
void *buf,
unsigned long size)
static int add_index_file(struct apply_state *state,
const char *path,
unsigned mode,
void *buf,
unsigned long size)
{
struct stat st;
struct cache_entry *ce;
@ -4111,7 +4111,7 @@ static void add_index_file(struct apply_state *state,
unsigned ce_size = cache_entry_size(namelen);
if (!state->update_index)
return;
return 0;
ce = xcalloc(1, ce_size);
memcpy(ce->name, path, namelen);
@ -4122,20 +4122,32 @@ static void add_index_file(struct apply_state *state,
const char *s;
if (!skip_prefix(buf, "Subproject commit ", &s) ||
get_sha1_hex(s, ce->sha1))
die(_("corrupt patch for submodule %s"), path);
get_sha1_hex(s, ce->sha1)) {
free(ce);
return error(_("corrupt patch for submodule %s"), path);
}
} else {
if (!state->cached) {
if (lstat(path, &st) < 0)
die_errno(_("unable to stat newly created file '%s'"),
path);
if (lstat(path, &st) < 0) {
free(ce);
return error(_("unable to stat newly "
"created file '%s': %s"),
path, strerror(errno));
}
fill_stat_cache_info(ce, &st);
}
if (write_sha1_file(buf, size, blob_type, ce->sha1) < 0)
die(_("unable to create backing store for newly created file %s"), path);
if (write_sha1_file(buf, size, blob_type, ce->sha1) < 0) {
free(ce);
return error(_("unable to create backing store "
"for newly created file %s"), path);
}
}
if (add_cache_entry(ce, ADD_CACHE_OK_TO_ADD) < 0)
die(_("unable to add cache entry for %s"), path);
if (add_cache_entry(ce, ADD_CACHE_OK_TO_ADD) < 0) {
free(ce);
return error(_("unable to add cache entry for %s"), path);
}
return 0;
}
static int try_create_file(const char *path, unsigned int mode, const char *buf, unsigned long size)
@ -4271,8 +4283,10 @@ static void create_file(struct apply_state *state, struct patch *patch)
if (patch->conflicted_threeway) {
if (add_conflicted_stages_file(state, patch))
exit(128);
} else
add_index_file(state, path, mode, buf, size);
} else {
if (add_index_file(state, path, mode, buf, size))
exit(128);
}
}
/* phase zero is to remove, phase one is to create */