diff options
| -rw-r--r-- | Documentation/git-merge.txt | 7 | ||||
| -rw-r--r-- | builtin-commit.c | 2 | ||||
| -rw-r--r-- | builtin-merge.c | 4 | ||||
| -rw-r--r-- | builtin-rerere.c | 23 | ||||
| -rw-r--r-- | builtin-revert.c | 4 | ||||
| -rwxr-xr-x | git-am.sh | 6 | ||||
| -rwxr-xr-x | git-rebase.sh | 6 | ||||
| -rw-r--r-- | parse-options.c | 7 | ||||
| -rw-r--r-- | parse-options.h | 3 | ||||
| -rw-r--r-- | rerere.c | 8 | ||||
| -rw-r--r-- | rerere.h | 10 | ||||
| -rwxr-xr-x | t/t4200-rerere.sh | 15 |
12 files changed, 77 insertions, 18 deletions
diff --git a/Documentation/git-merge.txt b/Documentation/git-merge.txt index e886c2ef54..67470311e2 100644 --- a/Documentation/git-merge.txt +++ b/Documentation/git-merge.txt @@ -10,7 +10,7 @@ SYNOPSIS -------- [verse] 'git merge' [-n] [--stat] [--no-commit] [--squash] [-s <strategy>]... - [-m <msg>] <remote>... + [--[no-]rerere-autoupdate] [-m <msg>] <remote>... 'git merge' <msg> HEAD <remote>... DESCRIPTION @@ -33,6 +33,11 @@ include::merge-options.txt[] used to give a good default for automated 'git merge' invocations. +--rerere-autoupdate:: +--no-rerere-autoupdate:: + Allow the rerere mechanism to update the index with the + result of auto-conflict resolution if possible. + <remote>...:: Other branch heads to merge into our branch. You need at least one <remote>. Specifying more than one <remote> diff --git a/builtin-commit.c b/builtin-commit.c index e644871210..69241f8ed6 100644 --- a/builtin-commit.c +++ b/builtin-commit.c @@ -1255,7 +1255,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix) "new_index file. Check that disk is not full or quota is\n" "not exceeded, and then \"git reset HEAD\" to recover."); - rerere(); + rerere(0); run_hook(get_index_file(), "post-commit", NULL); if (!quiet) print_summary(prefix, commit_sha1); diff --git a/builtin-merge.c b/builtin-merge.c index f1c84d759d..82e2a0491a 100644 --- a/builtin-merge.c +++ b/builtin-merge.c @@ -52,6 +52,7 @@ static struct strategy **use_strategies; static size_t use_strategies_nr, use_strategies_alloc; static const char *branch; static int verbosity; +static int allow_rerere_auto; static struct strategy all_strategy[] = { { "recursive", DEFAULT_TWOHEAD | NO_TRIVIAL }, @@ -170,6 +171,7 @@ static struct option builtin_merge_options[] = { "allow fast-forward (default)"), OPT_BOOLEAN(0, "ff-only", &fast_forward_only, "abort if fast-forward is not possible"), + OPT_RERERE_AUTOUPDATE(&allow_rerere_auto), OPT_CALLBACK('s', "strategy", &use_strategies, "strategy", "merge strategy to use", option_parse_strategy), OPT_CALLBACK('m', "message", &merge_msg, "message", @@ -790,7 +792,7 @@ static int suggest_conflicts(void) } } fclose(fp); - rerere(); + rerere(allow_rerere_auto); printf("Automatic merge failed; " "fix conflicts and then commit the result.\n"); return 1; diff --git a/builtin-rerere.c b/builtin-rerere.c index 2be9ffb77b..5028138898 100644 --- a/builtin-rerere.c +++ b/builtin-rerere.c @@ -103,15 +103,24 @@ 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; - + 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) - return rerere(); - - if (!strcmp(argv[1], "-h")) - usage(git_rerere_usage); + return rerere(flags); - fd = setup_rerere(&merge_rr); + fd = setup_rerere(&merge_rr, flags); if (fd < 0) return 0; diff --git a/builtin-revert.c b/builtin-revert.c index 151aa6a981..857ca2eefa 100644 --- a/builtin-revert.c +++ b/builtin-revert.c @@ -38,6 +38,7 @@ static const char * const cherry_pick_usage[] = { static int edit, no_replay, no_commit, mainline, signoff; static enum { REVERT, CHERRY_PICK } action; static struct commit *commit; +static int allow_rerere_auto; static const char *me; @@ -57,6 +58,7 @@ static void parse_args(int argc, const char **argv) OPT_BOOLEAN('r', NULL, &noop, "no-op (backward compatibility)"), OPT_BOOLEAN('s', "signoff", &signoff, "add Signed-off-by:"), OPT_INTEGER('m', "mainline", &mainline, "parent number"), + OPT_RERERE_AUTOUPDATE(&allow_rerere_auto), OPT_END(), }; @@ -395,7 +397,7 @@ static int revert_or_cherry_pick(int argc, const char **argv) die ("Error wrapping up %s", defmsg); fprintf(stderr, "Automatic %s failed.%s\n", me, help_msg(commit->object.sha1)); - rerere(); + rerere(allow_rerere_auto); exit(1); } if (commit_lock_file(&msg_file) < 0) @@ -30,6 +30,7 @@ skip skip the current patch abort restore the original branch and abort the patching operation. committer-date-is-author-date lie about committer date ignore-date use current timestamp for author date +rerere-autoupdate update the index with reused conflict resolution if possible rebasing* (internal use for git-rebase)" . git-sh-setup @@ -135,7 +136,7 @@ It does not apply to blobs recorded in its index." export GIT_MERGE_VERBOSITY=0 fi git-merge-recursive $orig_tree -- HEAD $his_tree || { - git rerere + git rerere $allow_rerere_autoupdate echo Failed to merge in the changes. exit 1 } @@ -293,6 +294,7 @@ resolvemsg= resume= scissors= no_inbody_headers= git_apply_opt= committer_date_is_author_date= ignore_date= +allow_rerere_autoupdate= while test $# != 0 do @@ -340,6 +342,8 @@ do committer_date_is_author_date=t ;; --ignore-date) ignore_date=t ;; + --rerere-autoupdate|--no-rerere-autoupdate) + allow_rerere_autoupdate="$1" ;; -q|--quiet) GIT_QUIET=t ;; --) diff --git a/git-rebase.sh b/git-rebase.sh index 3de0942c0f..eddc02875f 100755 --- a/git-rebase.sh +++ b/git-rebase.sh @@ -52,6 +52,7 @@ diffstat=$(git config --bool rebase.stat) git_am_opt= rebase_root= force_rebase= +allow_rerere_autoupdate= continue_merge () { test -n "$prev_head" || die "prev_head must be defined" @@ -120,7 +121,7 @@ call_merge () { return ;; 1) - git rerere + git rerere $allow_rerere_autoupdate die "$RESOLVEMSG" ;; 2) @@ -351,6 +352,9 @@ do -f|--f|--fo|--for|--forc|force|--force-r|--force-re|--force-reb|--force-reba|--force-rebas|--force-rebase) force_rebase=t ;; + --rerere-autoupdate|--no-rerere-autoupdate) + allow_rerere_autoupdate="$1" + ;; -*) usage ;; diff --git a/parse-options.c b/parse-options.c index f5594114ed..10ec21fb89 100644 --- a/parse-options.c +++ b/parse-options.c @@ -633,3 +633,10 @@ int parse_opt_with_commit(const struct option *opt, const char *arg, int unset) commit_list_insert(commit, opt->value); return 0; } + +int parse_opt_tertiary(const struct option *opt, const char *arg, int unset) +{ + int *target = opt->value; + *target = unset ? 2 : 1; + return 0; +} diff --git a/parse-options.h b/parse-options.h index f295a2cf85..91c1500661 100644 --- a/parse-options.h +++ b/parse-options.h @@ -123,6 +123,8 @@ struct option { (h), PARSE_OPT_NOARG, NULL, (p) } #define OPT_INTEGER(s, l, v, h) { OPTION_INTEGER, (s), (l), (v), "n", (h) } #define OPT_STRING(s, l, v, a, h) { OPTION_STRING, (s), (l), (v), (a), (h) } +#define OPT_UYN(s, l, v, h) { OPTION_CALLBACK, (s), (l), (v), NULL, \ + (h), PARSE_OPT_NOARG, &parse_opt_tertiary } #define OPT_DATE(s, l, v, h) \ { OPTION_CALLBACK, (s), (l), (v), "time",(h), 0, \ parse_opt_approxidate_cb } @@ -190,6 +192,7 @@ extern int parse_opt_abbrev_cb(const struct option *, const char *, int); extern int parse_opt_approxidate_cb(const struct option *, const char *, int); extern int parse_opt_verbosity_cb(const struct option *, const char *, int); extern int parse_opt_with_commit(const struct option *, const char *, int); +extern int parse_opt_tertiary(const struct option *, const char *, int); #define OPT__VERBOSE(var) OPT_BOOLEAN('v', "verbose", (var), "be verbose") #define OPT__QUIET(var) OPT_BOOLEAN('q', "quiet", (var), "be quiet") @@ -367,7 +367,7 @@ static int is_rerere_enabled(void) return 1; } -int setup_rerere(struct string_list *merge_rr) +int setup_rerere(struct string_list *merge_rr, int flags) { int fd; @@ -375,6 +375,8 @@ int setup_rerere(struct string_list *merge_rr) if (!is_rerere_enabled()) return -1; + if (flags & (RERERE_AUTOUPDATE|RERERE_NOAUTOUPDATE)) + rerere_autoupdate = !!(flags & RERERE_AUTOUPDATE); merge_rr_path = git_pathdup("MERGE_RR"); fd = hold_lock_file_for_update(&write_lock, merge_rr_path, LOCK_DIE_ON_ERROR); @@ -382,12 +384,12 @@ int setup_rerere(struct string_list *merge_rr) return fd; } -int rerere(void) +int rerere(int flags) { struct string_list merge_rr = { NULL, 0, 0, 1 }; int fd; - fd = setup_rerere(&merge_rr); + fd = setup_rerere(&merge_rr, flags); if (fd < 0) return 0; return do_plain_rerere(&merge_rr, fd); @@ -3,9 +3,15 @@ #include "string-list.h" -extern int setup_rerere(struct string_list *); -extern int rerere(void); +#define RERERE_AUTOUPDATE 01 +#define RERERE_NOAUTOUPDATE 02 + +extern int setup_rerere(struct string_list *, int); +extern int rerere(int); extern const char *rerere_path(const char *hex, const char *file); extern int has_rerere_resolution(const char *hex); +#define OPT_RERERE_AUTOUPDATE(v) OPT_UYN(0, "rerere-autoupdate", (v), \ + "update the index with reused conflict resolution if possible") + #endif diff --git a/t/t4200-rerere.sh b/t/t4200-rerere.sh index a6bc028a57..bb402c3780 100755 --- a/t/t4200-rerere.sh +++ b/t/t4200-rerere.sh @@ -217,7 +217,22 @@ test_expect_success 'rerere.autoupdate' ' git checkout version2 && test_must_fail git merge fifth && test 0 = $(git ls-files -u | wc -l) +' +test_expect_success 'merge --rerere-autoupdate' ' + git config --unset rerere.autoupdate + git reset --hard && + git checkout version2 && + test_must_fail git merge --rerere-autoupdate fifth && + test 0 = $(git ls-files -u | wc -l) +' + +test_expect_success 'merge --no-rerere-autoupdate' ' + git config rerere.autoupdate true + git reset --hard && + git checkout version2 && + test_must_fail git merge --no-rerere-autoupdate fifth && + test 2 = $(git ls-files -u | wc -l) ' test_done |