Signed-off-by: Jonathan Nieder <jrnieder@xxxxxxxxx>
---
The tests don’t pass for me with the old implementation; I think "2 < argc"
should have been "2 <= argc". Well, no use dwelling in the past.
builtin/rerere.c | 52 ++++++++++++++++--------------
t/t4200-rerere.sh | 91 +++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 119 insertions(+), 24 deletions(-)
diff --git a/builtin/rerere.c b/builtin/rerere.c
index 0048f9e..295fe75 100644
--- a/builtin/rerere.c
+++ b/builtin/rerere.c
@@ -1,13 +1,16 @@
#include "builtin.h"
#include "cache.h"
#include "dir.h"
+#include "parse-options.h"
#include "string-list.h"
#include "rerere.h"
#include "xdiff/xdiff.h"
#include "xdiff-interface.h"
-static const char git_rerere_usage[] =
-"git rerere [clear | status | diff | gc]";
+static const char * const rerere_usage[] = {
+ "git rerere [clear | status | diff | gc]",
+ NULL,
+};
/* these values are days */
static int cutoff_noresolve = 15;
@@ -103,25 +106,26 @@ static int diff_two(const char *file1, const char *label1,
int cmd_rerere(int argc, const char **argv, const char *prefix)
{
struct string_list merge_rr = { NULL, 0, 0, 1 };
- int i, fd, flags = 0;
-
- if (2 < argc) {
- if (!strcmp(argv[1], "-h"))
- usage(git_rerere_usage);
- if (!strcmp(argv[1], "--rerere-autoupdate"))
- flags = RERERE_AUTOUPDATE;
- else if (!strcmp(argv[1], "--no-rerere-autoupdate"))
- flags = RERERE_NOAUTOUPDATE;
- if (flags) {
- argc--;
- argv++;
- }
- }
- if (argc < 2)
+ int i, fd, autoupdate = -1, flags = 0;
+
+ struct option options[] = {
+ OPT_SET_INT(0, "rerere-autoupdate", &autoupdate,
+ "register clean resolutions in index", 1),
+ OPT_END(),
+ };
+
+ argc = parse_options(argc, argv, prefix, options, rerere_usage, 0);
+
+ if (autoupdate == 1)
+ flags = RERERE_AUTOUPDATE;
+ if (autoupdate == 0)
+ flags = RERERE_NOAUTOUPDATE;
+
+ if (argc < 1)
return rerere(flags);
- if (!strcmp(argv[1], "forget")) {
- const char **pathspec = get_pathspec(prefix, argv + 2);
+ if (!strcmp(argv[0], "forget")) {
+ const char **pathspec = get_pathspec(prefix, argv + 1);
return rerere_forget(pathspec);
}
@@ -129,26 +133,26 @@ int cmd_rerere(int argc, const char **argv, const char *prefix)
if (fd < 0)
return 0;
- if (!strcmp(argv[1], "clear")) {
+ if (!strcmp(argv[0], "clear")) {
for (i = 0; i < merge_rr.nr; i++) {
const char *name = (const char *)merge_rr.items[i].util;
if (!has_rerere_resolution(name))
unlink_rr_item(name);
}
unlink_or_warn(git_path("rr-cache/MERGE_RR"));
- } else if (!strcmp(argv[1], "gc"))
+ } else if (!strcmp(argv[0], "gc"))
garbage_collect(&merge_rr);
- else if (!strcmp(argv[1], "status"))
+ else if (!strcmp(argv[0], "status"))
for (i = 0; i < merge_rr.nr; i++)
printf("%s\n", merge_rr.items[i].string);
- else if (!strcmp(argv[1], "diff"))
+ else if (!strcmp(argv[0], "diff"))
for (i = 0; i < merge_rr.nr; i++) {
const char *path = merge_rr.items[i].string;
const char *name = (const char *)merge_rr.items[i].util;
diff_two(rerere_path(name, "preimage"), path, path, path);
}
else
- usage(git_rerere_usage);
+ usage_with_options(rerere_usage, options);
string_list_clear(&merge_rr, 1);
return 0;
diff --git a/t/t4200-rerere.sh b/t/t4200-rerere.sh
index 3ed4d1a..876f09a 100755
--- a/t/t4200-rerere.sh
+++ b/t/t4200-rerere.sh
@@ -292,4 +292,95 @@ test_expect_success 'merge --no-rerere-autoupdate' '
test_cmp expected actual
'
+test_expect_success 'set up an unresolved merge' '
+ headblob=$(git rev-parse version2:file3) &&
+ mergeblob=$(git rev-parse fifth:file3) &&
+ cat >expected.unresolved <<-EOF &&
+ 100644 $headblob 2 file3
+ 100644 $mergeblob 3 file3
+ EOF
+
+ test_might_fail git config --unset rerere.autoupdate &&
+ git reset --hard &&
+ git checkout version2 &&
+ fifth=$(git rev-parse fifth) &&
+ echo "$fifth branch 'fifth' of ." |
+ git fmt-merge-msg >msg &&
+ ancestor=$(git merge-base version2 fifth) &&
+ test_must_fail git merge-recursive "$ancestor" -- HEAD fifth &&
+
+ git ls-files --stage >failedmerge &&
+ cp file3 file3.conflict &&
+
+ git ls-files -u >actual &&
+ test_cmp expected.unresolved actual
+'
+
+test_expect_success 'explicit rerere' '
+ test_might_fail git config --unset rerere.autoupdate &&
+ git rm -fr --cached . &&
+ git update-index --index-info <failedmerge &&
+ cp file3.conflict file3 &&
+ test_must_fail git update-index --refresh -q &&
+
+ git rerere &&
+ git ls-files -u >actual &&
+ test_cmp expected.unresolved actual
+'
+
+test_expect_success 'explicit rerere with autoupdate' '
+ git config rerere.autoupdate true &&
+ git rm -fr --cached . &&
+ git update-index --index-info <failedmerge &&
+ cp file3.conflict file3 &&
+ test_must_fail git update-index --refresh -q &&
+
+ git rerere &&
+ git update-index --refresh
+'
+
+test_expect_success 'explicit rerere --rerere-autoupdate overrides' '
+ git config rerere.autoupdate false &&
+ git rm -fr --cached . &&
+ git update-index --index-info <failedmerge &&
+ cp file3.conflict file3 &&
+ git rerere &&
+ git ls-files -u >actual1 &&
+
+ git rm -fr --cached . &&
+ git update-index --index-info <failedmerge &&
+ cp file3.conflict file3 &&
+ git rerere --rerere-autoupdate &&
+ git update-index --refresh &&
+
+ git rm -fr --cached . &&
+ git update-index --index-info <failedmerge &&
+ cp file3.conflict file3 &&
+ git rerere --rerere-autoupdate --no-rerere-autoupdate &&
+ git ls-files -u >actual2 &&
+
+ git rm -fr --cached . &&
+ git update-index --index-info <failedmerge &&
+ cp file3.conflict file3 &&
+ git rerere --rerere-autoupdate --no-rerere-autoupdate --rerere-autoupdate &&
+ git update-index --refresh &&
+
+ test_cmp expected.unresolved actual1 &&
+ test_cmp expected.unresolved actual2
+'
+
+test_expect_success 'rerere --no-no-rerere-autoupdate' '
+ git rm -fr --cached . &&
+ git update-index --index-info <failedmerge &&
+ cp file3.conflict file3 &&
+ test_must_fail git rerere --no-no-rerere-autoupdate 2>err &&
+ grep [Uu]sage err &&
+ test_must_fail git update-index --refresh
+'
+
+test_expect_success 'rerere -h' '
+ test_must_fail git rerere -h >help &&
+ grep [Uu]sage help
+'
+
test_done
--
1.7.2.1.544.ga752d.dirty
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