summaryrefslogtreecommitdiff
path: root/range-diff.c
diff options
context:
space:
mode:
authorJohannes Schindelin <johannes.schindelin@gmx.de>2021-02-05 14:44:48 (GMT)
committerJunio C Hamano <gitster@pobox.com>2021-02-07 05:24:55 (GMT)
commit359f0d754ab709c5a1ff3267bc117fb8559c62c2 (patch)
tree05586b877349a8bc8466f2a7a733df04585cd14a /range-diff.c
parent679b5916cdafdcfa9fb36c31dbf53d7e4aa0af0b (diff)
downloadgit-359f0d754ab709c5a1ff3267bc117fb8559c62c2.zip
git-359f0d754ab709c5a1ff3267bc117fb8559c62c2.tar.gz
git-359f0d754ab709c5a1ff3267bc117fb8559c62c2.tar.bz2
range-diff/format-patch: handle commit ranges other than A..B
In the `SPECIFYING RANGES` section of gitrevisions[7], two ways are described to specify commit ranges that `range-diff` does not yet accept: "<commit>^!" and "<commit>^-<n>". Let's accept them, by parsing them via the revision machinery and looking for at least one interesting and one uninteresting revision in the resulting `pending` array. This also finally lets us reject arguments that _do_ contain `..` but are not actually ranges, e.g. `HEAD^{/do.. match this}`. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'range-diff.c')
-rw-r--r--range-diff.c26
1 files changed, 25 insertions, 1 deletions
diff --git a/range-diff.c b/range-diff.c
index 9b93e08..a88612c 100644
--- a/range-diff.c
+++ b/range-diff.c
@@ -11,6 +11,7 @@
#include "pretty.h"
#include "userdiff.h"
#include "apply.h"
+#include "revision.h"
struct patch_util {
/* For the search for an exact match */
@@ -567,5 +568,28 @@ int show_range_diff(const char *range1, const char *range2,
int is_range_diff_range(const char *arg)
{
- return !!strstr(arg, "..");
+ char *copy = xstrdup(arg); /* setup_revisions() modifies it */
+ const char *argv[] = { "", copy, "--", NULL };
+ int i, positive = 0, negative = 0;
+ struct rev_info revs;
+
+ init_revisions(&revs, NULL);
+ if (setup_revisions(3, argv, &revs, NULL) == 1) {
+ for (i = 0; i < revs.pending.nr; i++)
+ if (revs.pending.objects[i].item->flags & UNINTERESTING)
+ negative++;
+ else
+ positive++;
+ for (i = 0; i < revs.pending.nr; i++) {
+ struct object *obj = revs.pending.objects[i].item;
+
+ if (obj->type == OBJ_COMMIT)
+ clear_commit_marks((struct commit *)obj,
+ ALL_REV_FLAGS);
+ }
+ }
+
+ free(copy);
+ object_array_clear(&revs.pending);
+ return negative > 0 && positive > 0;
}