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Diffstat (limited to 'apply.c')
-rw-r--r--apply.c157
1 files changed, 86 insertions, 71 deletions
diff --git a/apply.c b/apply.c
index 23a0f25ded..073d5f0451 100644
--- a/apply.c
+++ b/apply.c
@@ -76,10 +76,12 @@ static int parse_ignorewhitespace_option(struct apply_state *state,
}
int init_apply_state(struct apply_state *state,
+ struct repository *repo,
const char *prefix)
{
memset(state, 0, sizeof(*state));
state->prefix = prefix;
+ state->repo = repo;
state->apply = 1;
state->line_termination = '\n';
state->p_value = 1;
@@ -221,8 +223,8 @@ struct patch {
struct fragment *fragments;
char *result;
size_t resultsize;
- char old_sha1_prefix[41];
- char new_sha1_prefix[41];
+ char old_oid_prefix[GIT_MAX_HEXSZ + 1];
+ char new_oid_prefix[GIT_MAX_HEXSZ + 1];
struct patch *next;
/* three-way fallback result */
@@ -1091,13 +1093,14 @@ static int gitdiff_index(struct apply_state *state,
*/
const char *ptr, *eol;
int len;
+ const unsigned hexsz = the_hash_algo->hexsz;
ptr = strchr(line, '.');
- if (!ptr || ptr[1] != '.' || 40 < ptr - line)
+ if (!ptr || ptr[1] != '.' || hexsz < ptr - line)
return 0;
len = ptr - line;
- memcpy(patch->old_sha1_prefix, line, len);
- patch->old_sha1_prefix[len] = 0;
+ memcpy(patch->old_oid_prefix, line, len);
+ patch->old_oid_prefix[len] = 0;
line = ptr + 2;
ptr = strchr(line, ' ');
@@ -1107,10 +1110,10 @@ static int gitdiff_index(struct apply_state *state,
ptr = eol;
len = ptr - line;
- if (40 < len)
+ if (hexsz < len)
return 0;
- memcpy(patch->new_sha1_prefix, line, len);
- patch->new_sha1_prefix[len] = 0;
+ memcpy(patch->new_oid_prefix, line, len);
+ patch->new_oid_prefix[len] = 0;
if (*ptr == ' ')
return gitdiff_oldmode(state, ptr + 1, patch);
return 0;
@@ -2129,10 +2132,12 @@ static int parse_chunk(struct apply_state *state, char *buffer, unsigned long si
if (!use_patch(state, patch))
patch->ws_rule = 0;
+ else if (patch->new_name)
+ patch->ws_rule = whitespace_rule(state->repo->index,
+ patch->new_name);
else
- patch->ws_rule = whitespace_rule(patch->new_name
- ? patch->new_name
- : patch->old_name);
+ patch->ws_rule = whitespace_rule(state->repo->index,
+ patch->old_name);
patchsize = parse_single_patch(state,
buffer + offset + hdrsize,
@@ -2202,7 +2207,7 @@ static void reverse_patches(struct patch *p)
SWAP(p->new_mode, p->old_mode);
SWAP(p->is_new, p->is_delete);
SWAP(p->lines_added, p->lines_deleted);
- SWAP(p->old_sha1_prefix, p->new_sha1_prefix);
+ SWAP(p->old_oid_prefix, p->new_oid_prefix);
for (; frag; frag = frag->next) {
SWAP(frag->newpos, frag->oldpos);
@@ -3140,15 +3145,16 @@ static int apply_binary(struct apply_state *state,
{
const char *name = patch->old_name ? patch->old_name : patch->new_name;
struct object_id oid;
+ const unsigned hexsz = the_hash_algo->hexsz;
/*
* For safety, we require patch index line to contain
- * full 40-byte textual SHA1 for old and new, at least for now.
+ * full hex textual object ID for old and new, at least for now.
*/
- if (strlen(patch->old_sha1_prefix) != 40 ||
- strlen(patch->new_sha1_prefix) != 40 ||
- get_oid_hex(patch->old_sha1_prefix, &oid) ||
- get_oid_hex(patch->new_sha1_prefix, &oid))
+ if (strlen(patch->old_oid_prefix) != hexsz ||
+ strlen(patch->new_oid_prefix) != hexsz ||
+ get_oid_hex(patch->old_oid_prefix, &oid) ||
+ get_oid_hex(patch->new_oid_prefix, &oid))
return error(_("cannot apply binary patch to '%s' "
"without full index line"), name);
@@ -3158,7 +3164,7 @@ static int apply_binary(struct apply_state *state,
* applies to.
*/
hash_object_file(img->buf, img->len, blob_type, &oid);
- if (strcmp(oid_to_hex(&oid), patch->old_sha1_prefix))
+ if (strcmp(oid_to_hex(&oid), patch->old_oid_prefix))
return error(_("the patch applies to '%s' (%s), "
"which does not match the "
"current contents."),
@@ -3171,7 +3177,7 @@ static int apply_binary(struct apply_state *state,
"'%s' but it is not empty"), name);
}
- get_oid_hex(patch->new_sha1_prefix, &oid);
+ get_oid_hex(patch->new_oid_prefix, &oid);
if (is_null_oid(&oid)) {
clear_image(img);
return 0; /* deletion patch */
@@ -3187,7 +3193,7 @@ static int apply_binary(struct apply_state *state,
if (!result)
return error(_("the necessary postimage %s for "
"'%s' cannot be read"),
- patch->new_sha1_prefix, name);
+ patch->new_oid_prefix, name);
clear_image(img);
img->buf = result;
img->len = size;
@@ -3203,9 +3209,9 @@ static int apply_binary(struct apply_state *state,
/* verify that the result matches */
hash_object_file(img->buf, img->len, blob_type, &oid);
- if (strcmp(oid_to_hex(&oid), patch->new_sha1_prefix))
+ if (strcmp(oid_to_hex(&oid), patch->new_oid_prefix))
return error(_("binary patch to '%s' creates incorrect result (expecting %s, got %s)"),
- name, patch->new_sha1_prefix, oid_to_hex(&oid));
+ name, patch->new_oid_prefix, oid_to_hex(&oid));
}
return 0;
@@ -3374,14 +3380,17 @@ static struct patch *previous_patch(struct apply_state *state,
return previous;
}
-static int verify_index_match(const struct cache_entry *ce, struct stat *st)
+static int verify_index_match(struct apply_state *state,
+ const struct cache_entry *ce,
+ struct stat *st)
{
if (S_ISGITLINK(ce->ce_mode)) {
if (!S_ISDIR(st->st_mode))
return -1;
return 0;
}
- return ce_match_stat(ce, st, CE_MATCH_IGNORE_VALID|CE_MATCH_IGNORE_SKIP_WORKTREE);
+ return ie_match_stat(state->repo->index, ce, st,
+ CE_MATCH_IGNORE_VALID | CE_MATCH_IGNORE_SKIP_WORKTREE);
}
#define SUBMODULE_PATCH_WITHOUT_INDEX 1
@@ -3462,7 +3471,8 @@ static int load_preimage(struct apply_state *state,
return 0;
}
-static int three_way_merge(struct image *image,
+static int three_way_merge(struct apply_state *state,
+ struct image *image,
char *path,
const struct object_id *base,
const struct object_id *ours,
@@ -3478,7 +3488,9 @@ static int three_way_merge(struct image *image,
status = ll_merge(&result, path,
&base_file, "base",
&our_file, "ours",
- &their_file, "theirs", NULL);
+ &their_file, "theirs",
+ state->repo->index,
+ NULL);
free(base_file.ptr);
free(our_file.ptr);
free(their_file.ptr);
@@ -3514,17 +3526,17 @@ static int load_current(struct apply_state *state,
if (!patch->is_new)
BUG("patch to %s is not a creation", patch->old_name);
- pos = cache_name_pos(name, strlen(name));
+ pos = index_name_pos(state->repo->index, name, strlen(name));
if (pos < 0)
return error(_("%s: does not exist in index"), name);
- ce = active_cache[pos];
+ ce = state->repo->index->cache[pos];
if (lstat(name, &st)) {
if (errno != ENOENT)
return error_errno("%s", name);
- if (checkout_target(&the_index, ce, &st))
+ if (checkout_target(state->repo->index, ce, &st))
return -1;
}
- if (verify_index_match(ce, &st))
+ if (verify_index_match(state, ce, &st))
return error(_("%s: does not match index"), name);
status = load_patch_target(state, &buf, ce, &st, patch, name, mode);
@@ -3558,7 +3570,7 @@ static int try_threeway(struct apply_state *state,
/* Preimage the patch was prepared for */
if (patch->is_new)
write_object_file("", 0, blob_type, &pre_oid);
- else if (get_oid(patch->old_sha1_prefix, &pre_oid) ||
+ else if (get_oid(patch->old_oid_prefix, &pre_oid) ||
read_blob_object(&buf, &pre_oid, patch->old_mode))
return error(_("repository lacks the necessary blob to fall back on 3-way merge."));
@@ -3590,7 +3602,7 @@ static int try_threeway(struct apply_state *state,
clear_image(&tmp_image);
/* in-core three-way merge between post and our using pre as base */
- status = three_way_merge(image, patch->new_name,
+ status = three_way_merge(state, image, patch->new_name,
&pre_oid, &our_oid, &post_oid);
if (status < 0) {
if (state->apply_verbosity > verbosity_silent)
@@ -3683,18 +3695,19 @@ static int check_preimage(struct apply_state *state,
}
if (state->check_index && !previous) {
- int pos = cache_name_pos(old_name, strlen(old_name));
+ int pos = index_name_pos(state->repo->index, old_name,
+ strlen(old_name));
if (pos < 0) {
if (patch->is_new < 0)
goto is_new;
return error(_("%s: does not exist in index"), old_name);
}
- *ce = active_cache[pos];
+ *ce = state->repo->index->cache[pos];
if (stat_ret < 0) {
- if (checkout_target(&the_index, *ce, st))
+ if (checkout_target(state->repo->index, *ce, st))
return -1;
}
- if (!state->cached && verify_index_match(*ce, st))
+ if (!state->cached && verify_index_match(state, *ce, st))
return error(_("%s: does not match index"), old_name);
if (state->cached)
st_mode = (*ce)->ce_mode;
@@ -3738,7 +3751,7 @@ static int check_to_create(struct apply_state *state,
struct stat nst;
if (state->check_index &&
- cache_name_pos(new_name, strlen(new_name)) >= 0 &&
+ index_name_pos(state->repo->index, new_name, strlen(new_name)) >= 0 &&
!ok_if_exists)
return EXISTS_IN_INDEX;
if (state->cached)
@@ -3827,7 +3840,8 @@ static int path_is_beyond_symlink_1(struct apply_state *state, struct strbuf *na
if (state->check_index) {
struct cache_entry *ce;
- ce = cache_file_exists(name->buf, name->len, ignore_case);
+ ce = index_file_exists(state->repo->index, name->buf,
+ name->len, ignore_case);
if (ce && S_ISLNK(ce->ce_mode))
return 1;
} else {
@@ -4002,9 +4016,10 @@ static int check_patch_list(struct apply_state *state, struct patch *patch)
static int read_apply_cache(struct apply_state *state)
{
if (state->index_file)
- return read_cache_from(state->index_file);
+ return read_index_from(state->repo->index, state->index_file,
+ get_git_dir());
else
- return read_cache();
+ return read_index(state->repo->index);
}
/* This function tries to read the object name from the current index */
@@ -4015,10 +4030,10 @@ static int get_current_oid(struct apply_state *state, const char *path,
if (read_apply_cache(state) < 0)
return -1;
- pos = cache_name_pos(path, strlen(path));
+ pos = index_name_pos(state->repo->index, path, strlen(path));
if (pos < 0)
return -1;
- oidcpy(oid, &active_cache[pos]->oid);
+ oidcpy(oid, &state->repo->index->cache[pos]->oid);
return 0;
}
@@ -4047,16 +4062,16 @@ static int preimage_oid_in_gitlink_patch(struct patch *p, struct object_id *oid)
starts_with(++preimage, heading) &&
/* does it record full SHA-1? */
!get_oid_hex(preimage + sizeof(heading) - 1, oid) &&
- preimage[sizeof(heading) + GIT_SHA1_HEXSZ - 1] == '\n' &&
+ preimage[sizeof(heading) + the_hash_algo->hexsz - 1] == '\n' &&
/* does the abbreviated name on the index line agree with it? */
- starts_with(preimage + sizeof(heading) - 1, p->old_sha1_prefix))
+ starts_with(preimage + sizeof(heading) - 1, p->old_oid_prefix))
return 0; /* it all looks fine */
/* we may have full object name on the index line */
- return get_oid_hex(p->old_sha1_prefix, oid);
+ return get_oid_hex(p->old_oid_prefix, oid);
}
-/* Build an index that contains the just the files needed for a 3way merge */
+/* Build an index that contains just the files needed for a 3way merge */
static int build_fake_ancestor(struct apply_state *state, struct patch *list)
{
struct patch *patch;
@@ -4082,7 +4097,7 @@ static int build_fake_ancestor(struct apply_state *state, struct patch *list)
else
return error(_("sha1 information is lacking or "
"useless for submodule %s"), name);
- } else if (!get_oid_blob(patch->old_sha1_prefix, &oid)) {
+ } else if (!get_oid_blob(patch->old_oid_prefix, &oid)) {
; /* ok */
} else if (!patch->lines_added && !patch->lines_deleted) {
/* mode-only change: update the current */
@@ -4093,12 +4108,12 @@ static int build_fake_ancestor(struct apply_state *state, struct patch *list)
return error(_("sha1 information is lacking or useless "
"(%s)."), name);
- ce = make_cache_entry(patch->old_mode, oid.hash, name, 0, 0);
+ ce = make_cache_entry(&result, patch->old_mode, &oid, name, 0, 0);
if (!ce)
return error(_("make_cache_entry failed for path '%s'"),
name);
if (add_index_entry(&result, ce, ADD_CACHE_OK_TO_ADD)) {
- free(ce);
+ discard_cache_entry(ce);
return error(_("could not add %s to temporary index"),
name);
}
@@ -4246,7 +4261,7 @@ static void patch_stats(struct apply_state *state, struct patch *patch)
static int remove_file(struct apply_state *state, struct patch *patch, int rmdir_empty)
{
if (state->update_index && !state->ita_only) {
- if (remove_file_from_cache(patch->old_name) < 0)
+ if (remove_file_from_index(state->repo->index, patch->old_name) < 0)
return error(_("unable to remove %s from index"), patch->old_name);
}
if (!state->cached) {
@@ -4266,9 +4281,8 @@ static int add_index_file(struct apply_state *state,
struct stat st;
struct cache_entry *ce;
int namelen = strlen(path);
- unsigned ce_size = cache_entry_size(namelen);
- ce = xcalloc(1, ce_size);
+ ce = make_empty_cache_entry(state->repo->index, namelen);
memcpy(ce->name, path, namelen);
ce->ce_mode = create_ce_mode(mode);
ce->ce_flags = create_ce_flags(0);
@@ -4281,13 +4295,13 @@ static int add_index_file(struct apply_state *state,
if (!skip_prefix(buf, "Subproject commit ", &s) ||
get_oid_hex(s, &ce->oid)) {
- free(ce);
- return error(_("corrupt patch for submodule %s"), path);
+ discard_cache_entry(ce);
+ return error(_("corrupt patch for submodule %s"), path);
}
} else {
if (!state->cached) {
if (lstat(path, &st) < 0) {
- free(ce);
+ discard_cache_entry(ce);
return error_errno(_("unable to stat newly "
"created file '%s'"),
path);
@@ -4295,13 +4309,13 @@ static int add_index_file(struct apply_state *state,
fill_stat_cache_info(ce, &st);
}
if (write_object_file(buf, size, blob_type, &ce->oid) < 0) {
- free(ce);
+ discard_cache_entry(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) {
- free(ce);
+ if (add_index_entry(state->repo->index, ce, ADD_CACHE_OK_TO_ADD) < 0) {
+ discard_cache_entry(ce);
return error(_("unable to add cache entry for %s"), path);
}
@@ -4314,7 +4328,9 @@ static int add_index_file(struct apply_state *state,
* 0 if everything went well
* 1 if a recoverable error happened
*/
-static int try_create_file(const char *path, unsigned int mode, const char *buf, unsigned long size)
+static int try_create_file(struct apply_state *state, const char *path,
+ unsigned int mode, const char *buf,
+ unsigned long size)
{
int fd, res;
struct strbuf nbuf = STRBUF_INIT;
@@ -4336,7 +4352,7 @@ static int try_create_file(const char *path, unsigned int mode, const char *buf,
if (fd < 0)
return 1;
- if (convert_to_working_tree(path, buf, size, &nbuf)) {
+ if (convert_to_working_tree(state->repo->index, path, buf, size, &nbuf)) {
size = nbuf.len;
buf = nbuf.buf;
}
@@ -4372,7 +4388,7 @@ static int create_one_file(struct apply_state *state,
if (state->cached)
return 0;
- res = try_create_file(path, mode, buf, size);
+ res = try_create_file(state, path, mode, buf, size);
if (res < 0)
return -1;
if (!res)
@@ -4381,7 +4397,7 @@ static int create_one_file(struct apply_state *state,
if (errno == ENOENT) {
if (safe_create_leading_directories(path))
return 0;
- res = try_create_file(path, mode, buf, size);
+ res = try_create_file(state, path, mode, buf, size);
if (res < 0)
return -1;
if (!res)
@@ -4403,7 +4419,7 @@ static int create_one_file(struct apply_state *state,
for (;;) {
char newpath[PATH_MAX];
mksnpath(newpath, sizeof(newpath), "%s~%u", path, nr);
- res = try_create_file(newpath, mode, buf, size);
+ res = try_create_file(state, newpath, mode, buf, size);
if (res < 0)
return -1;
if (!res) {
@@ -4425,27 +4441,26 @@ static int add_conflicted_stages_file(struct apply_state *state,
struct patch *patch)
{
int stage, namelen;
- unsigned ce_size, mode;
+ unsigned mode;
struct cache_entry *ce;
if (!state->update_index)
return 0;
namelen = strlen(patch->new_name);
- ce_size = cache_entry_size(namelen);
mode = patch->new_mode ? patch->new_mode : (S_IFREG | 0644);
- remove_file_from_cache(patch->new_name);
+ remove_file_from_index(state->repo->index, patch->new_name);
for (stage = 1; stage < 4; stage++) {
if (is_null_oid(&patch->threeway_stage[stage - 1]))
continue;
- ce = xcalloc(1, ce_size);
+ ce = make_empty_cache_entry(state->repo->index, namelen);
memcpy(ce->name, patch->new_name, namelen);
ce->ce_mode = create_ce_mode(mode);
ce->ce_flags = create_ce_flags(stage);
ce->ce_namelen = namelen;
oidcpy(&ce->oid, &patch->threeway_stage[stage - 1]);
- if (add_cache_entry(ce, ADD_CACHE_OK_TO_ADD) < 0) {
- free(ce);
+ if (add_index_entry(state->repo->index, ce, ADD_CACHE_OK_TO_ADD) < 0) {
+ discard_cache_entry(ce);
return error(_("unable to add cache entry for %s"),
patch->new_name);
}
@@ -4619,7 +4634,7 @@ static int write_out_results(struct apply_state *state, struct patch *list)
}
string_list_clear(&cpath, 0);
- rerere(0);
+ repo_rerere(state->repo, 0);
}
return errs;
@@ -4893,7 +4908,7 @@ int apply_all_patches(struct apply_state *state,
}
if (state->update_index) {
- res = write_locked_index(&the_index, &state->lock_file, COMMIT_LOCK);
+ res = write_locked_index(state->repo->index, &state->lock_file, COMMIT_LOCK);
if (res) {
error(_("Unable to write new index file"));
res = -128;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-27 08:21:24 +0000