diff options
| -rw-r--r-- | builtin/rerere.c | 14 | ||||
| -rw-r--r-- | rerere.c | 78 | ||||
| -rw-r--r-- | rerere.h | 8 |
3 files changed, 88 insertions, 12 deletions
diff --git a/builtin/rerere.c b/builtin/rerere.c index 642bf35587..67cbfeb152 100644 --- a/builtin/rerere.c +++ b/builtin/rerere.c @@ -8,7 +8,7 @@ #include "xdiff-interface.h" static const char * const rerere_usage[] = { - "git rerere [clear | status | diff | gc]", + "git rerere [clear | status | remaining | diff | gc]", NULL, }; @@ -156,7 +156,17 @@ int cmd_rerere(int argc, const char **argv, const char *prefix) 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[0], "diff")) + else if (!strcmp(argv[0], "remaining")) { + rerere_remaining(&merge_rr); + for (i = 0; i < merge_rr.nr; i++) { + if (merge_rr.items[i].util != RERERE_RESOLVED) + printf("%s\n", merge_rr.items[i].string); + else + /* prepare for later call to + * string_list_clear() */ + merge_rr.items[i].util = NULL; + } + } 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; @@ -7,6 +7,11 @@ #include "ll-merge.h" #include "attr.h" +#define RESOLVED 0 +#define PUNTED 1 +#define THREE_STAGED 2 +void *RERERE_RESOLVED = &RERERE_RESOLVED; + /* if rerere_enabled == -1, fall back to detection of .git/rr-cache */ static int rerere_enabled = -1; @@ -345,21 +350,74 @@ static int handle_cache(const char *path, unsigned char *sha1, const char *outpu return hunk_no; } -static int find_conflict(struct string_list *conflict) +static int check_one_conflict(int i, int *type) { - int i; - if (read_cache() < 0) - return error("Could not read index"); - for (i = 0; i+1 < active_nr; i++) { + struct cache_entry *e = active_cache[i]; + + if (!ce_stage(e)) { + *type = RESOLVED; + return i + 1; + } + + *type = PUNTED; + if (ce_stage(e) == 1) { + if (active_nr <= ++i) + return i + 1; + } + + /* Only handle regular files with both stages #2 and #3 */ + if (i + 1 < active_nr) { struct cache_entry *e2 = active_cache[i]; - struct cache_entry *e3 = active_cache[i+1]; + struct cache_entry *e3 = active_cache[i + 1]; if (ce_stage(e2) == 2 && ce_stage(e3) == 3 && - ce_same_name(e2, e3) && + ce_same_name(e, e3) && S_ISREG(e2->ce_mode) && - S_ISREG(e3->ce_mode)) { - string_list_insert(conflict, (const char *)e2->name); - i++; /* skip over both #2 and #3 */ + S_ISREG(e3->ce_mode)) + *type = THREE_STAGED; + } + + /* Skip the entries with the same name */ + while (i < active_nr && ce_same_name(e, active_cache[i])) + i++; + return i; +} + +static int find_conflict(struct string_list *conflict) +{ + int i; + if (read_cache() < 0) + return error("Could not read index"); + + for (i = 0; i < active_nr;) { + int conflict_type; + struct cache_entry *e = active_cache[i]; + i = check_one_conflict(i, &conflict_type); + if (conflict_type == THREE_STAGED) + string_list_insert(conflict, (const char *)e->name); + } + return 0; +} + +int rerere_remaining(struct string_list *merge_rr) +{ + int i; + if (read_cache() < 0) + return error("Could not read index"); + + for (i = 0; i < active_nr;) { + int conflict_type; + struct cache_entry *e = active_cache[i]; + i = check_one_conflict(i, &conflict_type); + if (conflict_type == PUNTED) + string_list_insert(merge_rr, (const char *)e->name); + else if (conflict_type == RESOLVED) { + struct string_list_item *it; + it = string_list_lookup(merge_rr, (const char *)e->name); + if (it != NULL) { + free(it->util); + it->util = RERERE_RESOLVED; + } } } return 0; @@ -6,11 +6,19 @@ #define RERERE_AUTOUPDATE 01 #define RERERE_NOAUTOUPDATE 02 +/* + * Marks paths that have been hand-resolved and added to the + * index. Set in the util field of such paths after calling + * rerere_remaining. + */ +extern void *RERERE_RESOLVED; + 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); extern int rerere_forget(const char **); +extern int rerere_remaining(struct string_list *); #define OPT_RERERE_AUTOUPDATE(v) OPT_UYN(0, "rerere-autoupdate", (v), \ "update the index with reused conflict resolution if possible") |