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Diffstat (limited to 'builtin/diff.c')
-rw-r--r--builtin/diff.c75
1 files changed, 36 insertions, 39 deletions
diff --git a/builtin/diff.c b/builtin/diff.c
index ffcdd055ca..69cd5eed78 100644
--- a/builtin/diff.c
+++ b/builtin/diff.c
@@ -13,6 +13,7 @@
#include "revision.h"
#include "log-tree.h"
#include "builtin.h"
+#include "submodule.h"
struct blobinfo {
unsigned char sha1[20];
@@ -21,7 +22,7 @@ struct blobinfo {
};
static const char builtin_diff_usage[] =
-"git diff <options> <rev>{0,2} -- <path>*";
+"git diff [<options>] [<commit> [<commit>]] [--] [<path>...]";
static void stuff_change(struct diff_options *opt,
unsigned old_mode, unsigned new_mode,
@@ -70,9 +71,9 @@ static int builtin_diff_b_f(struct rev_info *revs,
usage(builtin_diff_usage);
if (lstat(path, &st))
- die_errno("failed to stat '%s'", path);
+ die_errno(_("failed to stat '%s'"), path);
if (!(S_ISREG(st.st_mode) || S_ISLNK(st.st_mode)))
- die("'%s': not a regular file or symlink", path);
+ die(_("'%s': not a regular file or symlink"), path);
diff_set_mnemonic_prefix(&revs->diffopt, "o/", "w/");
@@ -134,7 +135,7 @@ static int builtin_diff_index(struct rev_info *revs,
revs->max_count != -1 || revs->min_age != -1 ||
revs->max_age != -1)
usage(builtin_diff_usage);
- if (read_cache_preload(revs->diffopt.paths) < 0) {
+ if (read_cache_preload(revs->diffopt.pathspec.raw) < 0) {
perror("read_cache_preload");
return -1;
}
@@ -181,6 +182,7 @@ static int builtin_diff_combined(struct rev_info *revs,
hashcpy((unsigned char *)(parent + i), ent[i].item->sha1);
diff_tree_combined(parent[0], parent + 1, ents - 1,
revs->dense_combined_merges, revs);
+ free(parent);
return 0;
}
@@ -196,17 +198,11 @@ static void refresh_index_quietly(void)
discard_cache();
read_cache();
refresh_cache(REFRESH_QUIET|REFRESH_UNMERGED);
-
- if (active_cache_changed &&
- !write_cache(fd, active_cache, active_nr))
- commit_locked_index(lock_file);
-
- rollback_lock_file(lock_file);
+ update_index_if_able(&the_index, lock_file);
}
static int builtin_diff_files(struct rev_info *revs, int argc, const char **argv)
{
- int result;
unsigned int options = 0;
while (1 < argc && argv[1][0] == '-') {
@@ -221,7 +217,7 @@ static int builtin_diff_files(struct rev_info *revs, int argc, const char **argv
else if (!strcmp(argv[1], "-h"))
usage(builtin_diff_usage);
else
- return error("invalid option: %s", argv[1]);
+ return error(_("invalid option: %s"), argv[1]);
argv++; argc--;
}
@@ -236,12 +232,11 @@ static int builtin_diff_files(struct rev_info *revs, int argc, const char **argv
revs->combine_merges = revs->dense_combined_merges = 1;
setup_work_tree();
- if (read_cache_preload(revs->diffopt.paths) < 0) {
+ if (read_cache_preload(revs->diffopt.pathspec.raw) < 0) {
perror("read_cache_preload");
return -1;
}
- result = run_diff_files(revs, options);
- return diff_result_code(&revs->diffopt, result);
+ return run_diff_files(revs, options);
}
int cmd_diff(int argc, const char **argv, const char *prefix)
@@ -279,6 +274,7 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
*/
prefix = setup_git_directory_gently(&nongit);
+ gitmodules_config();
git_config(git_diff_ui_config, NULL);
if (diff_use_color_default == -1)
@@ -297,12 +293,12 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
if (nongit)
- die("Not a git repository");
+ die(_("Not a git repository"));
argc = setup_revisions(argc, argv, &rev, NULL);
if (!rev.diffopt.output_format) {
rev.diffopt.output_format = DIFF_FORMAT_PATCH;
if (diff_setup_done(&rev.diffopt) < 0)
- die("diff_setup_done failed");
+ die(_("diff_setup_done failed"));
}
DIFF_OPT_SET(&rev.diffopt, RECURSIVE);
@@ -328,8 +324,11 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
else if (!strcmp(arg, "--cached") ||
!strcmp(arg, "--staged")) {
add_head_to_pending(&rev);
- if (!rev.pending.nr)
- die("No HEAD commit to compare with (yet)");
+ if (!rev.pending.nr) {
+ struct tree *tree;
+ tree = lookup_tree((const unsigned char*)EMPTY_TREE_SHA1_BIN);
+ add_pending_object(&rev, &tree->object, "HEAD");
+ }
break;
}
}
@@ -344,12 +343,12 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
obj = parse_object(obj->sha1);
obj = deref_tag(obj, NULL, 0);
if (!obj)
- die("invalid object '%s' given.", name);
+ die(_("invalid object '%s' given."), name);
if (obj->type == OBJ_COMMIT)
obj = &((struct commit *)obj)->tree->object;
if (obj->type == OBJ_TREE) {
if (ARRAY_SIZE(ent) <= ents)
- die("more than %d trees given: '%s'",
+ die(_("more than %d trees given: '%s'"),
(int) ARRAY_SIZE(ent), name);
obj->flags |= flags;
ent[ents].item = obj;
@@ -359,7 +358,7 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
}
if (obj->type == OBJ_BLOB) {
if (2 <= blobs)
- die("more than two blobs given: '%s'", name);
+ die(_("more than two blobs given: '%s'"), name);
hashcpy(blob[blobs].sha1, obj->sha1);
blob[blobs].name = name;
blob[blobs].mode = list->mode;
@@ -367,16 +366,12 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
continue;
}
- die("unhandled object '%s' given.", name);
+ die(_("unhandled object '%s' given."), name);
}
- if (rev.prune_data) {
- const char **pathspec = rev.prune_data;
- while (*pathspec) {
- if (!path)
- path = *pathspec;
- paths++;
- pathspec++;
- }
+ if (rev.prune_data.nr) {
+ if (!path)
+ path = rev.prune_data.items[0].match;
+ paths += rev.prune_data.nr;
}
/*
@@ -407,17 +402,19 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
result = builtin_diff_index(&rev, argc, argv);
else if (ents == 2)
result = builtin_diff_tree(&rev, argc, argv, ent);
- else if ((ents == 3) && (ent[0].item->flags & UNINTERESTING)) {
- /* diff A...B where there is one sane merge base between
- * A and B. We have ent[0] == merge-base, ent[1] == A,
- * and ent[2] == B. Show diff between the base and B.
+ else if (ent[0].item->flags & UNINTERESTING) {
+ /*
+ * diff A...B where there is at least one merge base
+ * between A and B. We have ent[0] == merge-base,
+ * ent[ents-2] == A, and ent[ents-1] == B. Show diff
+ * between the base and B. Note that we pick one
+ * merge base at random if there are more than one.
*/
- ent[1] = ent[2];
+ ent[1] = ent[ents-1];
result = builtin_diff_tree(&rev, argc, argv, ent);
- }
- else
+ } else
result = builtin_diff_combined(&rev, argc, argv,
- ent, ents);
+ ent, ents);
result = diff_result_code(&rev.diffopt, result);
if (1 < rev.diffopt.skip_stat_unmatch)
refresh_index_quietly();