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-rw-r--r--diff-lib.c93
1 files changed, 57 insertions, 36 deletions
diff --git a/diff-lib.c b/diff-lib.c
index bc49c70..0c0e20f 100644
--- a/diff-lib.c
+++ b/diff-lib.c
@@ -29,7 +29,7 @@
static int check_removed(const struct cache_entry *ce, struct stat *st)
{
if (lstat(ce->name, st) < 0) {
- if (errno != ENOENT && errno != ENOTDIR)
+ if (!is_missing_file_error(errno))
return -1;
return 1;
}
@@ -101,7 +101,7 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
struct cache_entry *ce = active_cache[i];
int changed;
unsigned dirty_submodule = 0;
- const unsigned char *old_sha1, *new_sha1;
+ const struct object_id *old_oid, *new_oid;
if (diff_can_quit_early(&revs->diffopt))
break;
@@ -155,7 +155,8 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
if (2 <= stage) {
int mode = nce->ce_mode;
num_compare_stages++;
- hashcpy(dpath->parent[stage-2].oid.hash, nce->sha1);
+ oidcpy(&dpath->parent[stage - 2].oid,
+ &nce->oid);
dpath->parent[stage-2].mode = ce_mode_from_stat(nce, mode);
dpath->parent[stage-2].status =
DIFF_STATUS_MODIFIED;
@@ -209,7 +210,14 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
continue;
}
diff_addremove(&revs->diffopt, '-', ce->ce_mode,
- ce->sha1, !is_null_sha1(ce->sha1),
+ &ce->oid,
+ !is_null_oid(&ce->oid),
+ ce->name, 0);
+ continue;
+ } else if (revs->diffopt.ita_invisible_in_index &&
+ ce_intent_to_add(ce)) {
+ diff_addremove(&revs->diffopt, '+', ce->ce_mode,
+ &empty_tree_oid, 0,
ce->name, 0);
continue;
}
@@ -225,12 +233,12 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
continue;
}
oldmode = ce->ce_mode;
- old_sha1 = ce->sha1;
- new_sha1 = changed ? null_sha1 : ce->sha1;
+ old_oid = &ce->oid;
+ new_oid = changed ? &null_oid : &ce->oid;
diff_change(&revs->diffopt, oldmode, newmode,
- old_sha1, new_sha1,
- !is_null_sha1(old_sha1),
- !is_null_sha1(new_sha1),
+ old_oid, new_oid,
+ !is_null_oid(old_oid),
+ !is_null_oid(new_oid),
ce->name, 0, dirty_submodule);
}
@@ -247,21 +255,21 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
static void diff_index_show_file(struct rev_info *revs,
const char *prefix,
const struct cache_entry *ce,
- const unsigned char *sha1, int sha1_valid,
+ const struct object_id *oid, int oid_valid,
unsigned int mode,
unsigned dirty_submodule)
{
diff_addremove(&revs->diffopt, prefix[0], mode,
- sha1, sha1_valid, ce->name, dirty_submodule);
+ oid, oid_valid, ce->name, dirty_submodule);
}
static int get_stat_data(const struct cache_entry *ce,
- const unsigned char **sha1p,
+ const struct object_id **oidp,
unsigned int *modep,
int cached, int match_missing,
unsigned *dirty_submodule, struct diff_options *diffopt)
{
- const unsigned char *sha1 = ce->sha1;
+ const struct object_id *oid = &ce->oid;
unsigned int mode = ce->ce_mode;
if (!cached && !ce_uptodate(ce)) {
@@ -272,7 +280,7 @@ static int get_stat_data(const struct cache_entry *ce,
return -1;
else if (changed) {
if (match_missing) {
- *sha1p = sha1;
+ *oidp = oid;
*modep = mode;
return 0;
}
@@ -282,11 +290,11 @@ static int get_stat_data(const struct cache_entry *ce,
0, dirty_submodule);
if (changed) {
mode = ce_mode_from_stat(ce, st.st_mode);
- sha1 = null_sha1;
+ oid = &null_oid;
}
}
- *sha1p = sha1;
+ *oidp = oid;
*modep = mode;
return 0;
}
@@ -295,7 +303,7 @@ static void show_new_file(struct rev_info *revs,
const struct cache_entry *new,
int cached, int match_missing)
{
- const unsigned char *sha1;
+ const struct object_id *oid;
unsigned int mode;
unsigned dirty_submodule = 0;
@@ -303,11 +311,11 @@ static void show_new_file(struct rev_info *revs,
* New file in the index: it might actually be different in
* the working tree.
*/
- if (get_stat_data(new, &sha1, &mode, cached, match_missing,
+ if (get_stat_data(new, &oid, &mode, cached, match_missing,
&dirty_submodule, &revs->diffopt) < 0)
return;
- diff_index_show_file(revs, "+", new, sha1, !is_null_sha1(sha1), mode, dirty_submodule);
+ diff_index_show_file(revs, "+", new, oid, !is_null_oid(oid), mode, dirty_submodule);
}
static int show_modified(struct rev_info *revs,
@@ -317,19 +325,20 @@ static int show_modified(struct rev_info *revs,
int cached, int match_missing)
{
unsigned int mode, oldmode;
- const unsigned char *sha1;
+ const struct object_id *oid;
unsigned dirty_submodule = 0;
- if (get_stat_data(new, &sha1, &mode, cached, match_missing,
+ if (get_stat_data(new, &oid, &mode, cached, match_missing,
&dirty_submodule, &revs->diffopt) < 0) {
if (report_missing)
diff_index_show_file(revs, "-", old,
- old->sha1, 1, old->ce_mode, 0);
+ &old->oid, 1, old->ce_mode,
+ 0);
return -1;
}
if (revs->combine_merges && !cached &&
- (hashcmp(sha1, old->sha1) || hashcmp(old->sha1, new->sha1))) {
+ (oidcmp(oid, &old->oid) || oidcmp(&old->oid, &new->oid))) {
struct combine_diff_path *p;
int pathlen = ce_namelen(new);
@@ -343,22 +352,22 @@ static int show_modified(struct rev_info *revs,
memset(p->parent, 0, 2 * sizeof(struct combine_diff_parent));
p->parent[0].status = DIFF_STATUS_MODIFIED;
p->parent[0].mode = new->ce_mode;
- hashcpy(p->parent[0].oid.hash, new->sha1);
+ oidcpy(&p->parent[0].oid, &new->oid);
p->parent[1].status = DIFF_STATUS_MODIFIED;
p->parent[1].mode = old->ce_mode;
- hashcpy(p->parent[1].oid.hash, old->sha1);
+ oidcpy(&p->parent[1].oid, &old->oid);
show_combined_diff(p, 2, revs->dense_combined_merges, revs);
free(p);
return 0;
}
oldmode = old->ce_mode;
- if (mode == oldmode && !hashcmp(sha1, old->sha1) && !dirty_submodule &&
+ if (mode == oldmode && !oidcmp(oid, &old->oid) && !dirty_submodule &&
!DIFF_OPT_TST(&revs->diffopt, FIND_COPIES_HARDER))
return 0;
diff_change(&revs->diffopt, oldmode, mode,
- old->sha1, sha1, 1, !is_null_sha1(sha1),
+ &old->oid, oid, 1, !is_null_oid(oid),
old->name, 0, dirty_submodule);
return 0;
}
@@ -376,6 +385,14 @@ static void do_oneway_diff(struct unpack_trees_options *o,
struct rev_info *revs = o->unpack_data;
int match_missing, cached;
+ /* i-t-a entries do not actually exist in the index */
+ if (revs->diffopt.ita_invisible_in_index &&
+ idx && ce_intent_to_add(idx)) {
+ idx = NULL;
+ if (!tree)
+ return; /* nothing to diff.. */
+ }
+
/* if the entry is not checked out, don't examine work tree */
cached = o->index_only ||
(idx && ((idx->ce_flags & CE_VALID) || ce_skip_worktree(idx)));
@@ -392,7 +409,8 @@ static void do_oneway_diff(struct unpack_trees_options *o,
struct diff_filepair *pair;
pair = diff_unmerge(&revs->diffopt, idx->name);
if (tree)
- fill_filespec(pair->one, tree->sha1, 1, tree->ce_mode);
+ fill_filespec(pair->one, &tree->oid, 1,
+ tree->ce_mode);
return;
}
@@ -408,7 +426,8 @@ static void do_oneway_diff(struct unpack_trees_options *o,
* Something removed from the tree?
*/
if (!idx) {
- diff_index_show_file(revs, "-", tree, tree->sha1, 1, tree->ce_mode, 0);
+ diff_index_show_file(revs, "-", tree, &tree->oid, 1,
+ tree->ce_mode, 0);
return;
}
@@ -459,7 +478,7 @@ static int oneway_diff(const struct cache_entry * const *src,
}
static int diff_cache(struct rev_info *revs,
- const unsigned char *tree_sha1,
+ const struct object_id *tree_oid,
const char *tree_name,
int cached)
{
@@ -467,10 +486,10 @@ static int diff_cache(struct rev_info *revs,
struct tree_desc t;
struct unpack_trees_options opts;
- tree = parse_tree_indirect(tree_sha1);
+ tree = parse_tree_indirect(tree_oid);
if (!tree)
return error("bad tree object %s",
- tree_name ? tree_name : sha1_to_hex(tree_sha1));
+ tree_name ? tree_name : oid_to_hex(tree_oid));
memset(&opts, 0, sizeof(opts));
opts.head_idx = 1;
opts.index_only = cached;
@@ -493,7 +512,7 @@ int run_diff_index(struct rev_info *revs, int cached)
struct object_array_entry *ent;
ent = revs->pending.objects;
- if (diff_cache(revs, ent->item->oid.hash, ent->name, cached))
+ if (diff_cache(revs, &ent->item->oid, ent->name, cached))
exit(128);
diff_set_mnemonic_prefix(&revs->diffopt, "c/", cached ? "i/" : "w/");
@@ -503,7 +522,7 @@ int run_diff_index(struct rev_info *revs, int cached)
return 0;
}
-int do_diff_cache(const unsigned char *tree_sha1, struct diff_options *opt)
+int do_diff_cache(const struct object_id *tree_oid, struct diff_options *opt)
{
struct rev_info revs;
@@ -511,12 +530,13 @@ int do_diff_cache(const unsigned char *tree_sha1, struct diff_options *opt)
copy_pathspec(&revs.prune_data, &opt->pathspec);
revs.diffopt = *opt;
- if (diff_cache(&revs, tree_sha1, NULL, 1))
+ if (diff_cache(&revs, tree_oid, NULL, 1))
exit(128);
return 0;
}
-int index_differs_from(const char *def, int diff_flags)
+int index_differs_from(const char *def, int diff_flags,
+ int ita_invisible_in_index)
{
struct rev_info rev;
struct setup_revision_opt opt;
@@ -528,6 +548,7 @@ int index_differs_from(const char *def, int diff_flags)
DIFF_OPT_SET(&rev.diffopt, QUICK);
DIFF_OPT_SET(&rev.diffopt, EXIT_WITH_STATUS);
rev.diffopt.flags |= diff_flags;
+ rev.diffopt.ita_invisible_in_index = ita_invisible_in_index;
run_diff_index(&rev, 1);
if (rev.pending.alloc)
free(rev.pending.objects);
generated by cgit v0.10.2-6-g49f6 at 2024-04-26 07:15:41 (GMT)