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-rw-r--r--diff-lib.c44
1 files changed, 27 insertions, 17 deletions
diff --git a/diff-lib.c b/diff-lib.c
index dec040c366..8fde93d7ca 100644
--- a/diff-lib.c
+++ b/diff-lib.c
@@ -1,16 +1,23 @@
/*
* Copyright (C) 2005 Junio C Hamano
*/
-#include "cache.h"
-#include "quote.h"
+#include "git-compat-util.h"
#include "commit.h"
#include "diff.h"
#include "diffcore.h"
+#include "gettext.h"
+#include "hash.h"
+#include "hex.h"
+#include "object-name.h"
+#include "read-cache.h"
#include "revision.h"
#include "cache-tree.h"
#include "unpack-trees.h"
#include "refs.h"
+#include "repository.h"
#include "submodule.h"
+#include "symlinks.h"
+#include "trace.h"
#include "dir.h"
#include "fsmonitor.h"
#include "commit-reach.h"
@@ -28,14 +35,14 @@
* exists for ce that is a submodule -- it is a submodule that is not
* checked out). Return negative for an error.
*/
-static int check_removed(const struct index_state *istate, const struct cache_entry *ce, struct stat *st)
+static int check_removed(const struct cache_entry *ce, struct stat *st)
{
- assert(is_fsmonitor_refreshed(istate));
- if (!(ce->ce_flags & CE_FSMONITOR_VALID) && lstat(ce->name, st) < 0) {
+ if (lstat(ce->name, st) < 0) {
if (!is_missing_file_error(errno))
return -1;
return 1;
}
+
if (has_symlink_leading_path(ce->name, ce_namelen(ce)))
return 1;
if (S_ISDIR(st->st_mode)) {
@@ -88,7 +95,7 @@ static int match_stat_with_submodule(struct diff_options *diffopt,
return changed;
}
-int run_diff_files(struct rev_info *revs, unsigned int option)
+void run_diff_files(struct rev_info *revs, unsigned int option)
{
int entries, i;
int diff_unmerged_stage = revs->max_count;
@@ -141,7 +148,7 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
memset(&(dpath->parent[0]), 0,
sizeof(struct combine_diff_parent)*5);
- changed = check_removed(istate, ce, &st);
+ changed = check_removed(ce, &st);
if (!changed)
wt_mode = ce_mode_from_stat(ce, st.st_mode);
else {
@@ -221,7 +228,7 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
} else {
struct stat st;
- changed = check_removed(istate, ce, &st);
+ changed = check_removed(ce, &st);
if (changed) {
if (changed < 0) {
perror(ce->name);
@@ -264,7 +271,6 @@ int run_diff_files(struct rev_info *revs, unsigned int option)
diffcore_std(&revs->diffopt);
diff_flush(&revs->diffopt);
trace_performance_since(start, "diff-files");
- return 0;
}
/*
@@ -296,7 +302,7 @@ static int get_stat_data(const struct index_state *istate,
if (!cached && !ce_uptodate(ce)) {
int changed;
struct stat st;
- changed = check_removed(istate, ce, &st);
+ changed = check_removed(ce, &st);
if (changed < 0)
return -1;
else if (changed) {
@@ -564,8 +570,6 @@ void diff_get_merge_base(const struct rev_info *revs, struct object_id *mb)
struct object *obj = revs->pending.objects[i].item;
if (obj->flags)
die(_("--merge-base does not work with ranges"));
- if (obj->type != OBJ_COMMIT)
- die(_("--merge-base only works with commits"));
}
/*
@@ -581,7 +585,7 @@ void diff_get_merge_base(const struct rev_info *revs, struct object_id *mb)
if (revs->pending.nr == 1) {
struct object_id oid;
- if (get_oid("HEAD", &oid))
+ if (repo_get_oid(the_repository, "HEAD", &oid))
die(_("unable to get HEAD"));
mb_child[1] = lookup_commit_reference(the_repository, &oid);
@@ -598,7 +602,7 @@ void diff_get_merge_base(const struct rev_info *revs, struct object_id *mb)
free_commit_list(merge_bases);
}
-int run_diff_index(struct rev_info *revs, unsigned int option)
+void run_diff_index(struct rev_info *revs, unsigned int option)
{
struct object_array_entry *ent;
int cached = !!(option & DIFF_INDEX_CACHED);
@@ -632,7 +636,6 @@ int run_diff_index(struct rev_info *revs, unsigned int option)
diffcore_std(&revs->diffopt);
diff_flush(&revs->diffopt);
trace_performance_leave("diff-index");
- return 0;
}
int do_diff_cache(const struct object_id *tree_oid, struct diff_options *opt)
@@ -664,10 +667,17 @@ int index_differs_from(struct repository *r,
setup_revisions(0, NULL, &rev, &opt);
rev.diffopt.flags.quick = 1;
rev.diffopt.flags.exit_with_status = 1;
- if (flags)
+ if (flags) {
diff_flags_or(&rev.diffopt.flags, flags);
+ /*
+ * Now that flags are merged, honor override_submodule_config
+ * and ignore_submodules from passed flags.
+ */
+ if (flags->override_submodule_config)
+ rev.diffopt.flags.ignore_submodules = flags->ignore_submodules;
+ }
rev.diffopt.ita_invisible_in_index = ita_invisible_in_index;
- run_diff_index(&rev, 1);
+ run_diff_index(&rev, DIFF_INDEX_CACHED);
has_changes = rev.diffopt.flags.has_changes;
release_revisions(&rev);
return (has_changes != 0);