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Diffstat (limited to 'builtin-reset.c')
-rw-r--r--builtin-reset.c48
1 files changed, 32 insertions, 16 deletions
diff --git a/builtin-reset.c b/builtin-reset.c
index a0321694c5..c0cb915c26 100644
--- a/builtin-reset.c
+++ b/builtin-reset.c
@@ -20,11 +20,14 @@
#include "parse-options.h"
static const char * const git_reset_usage[] = {
- "git-reset [--mixed | --soft | --hard] [-q] [<commit>]",
- "git-reset [--mixed] <commit> [--] <paths>...",
+ "git reset [--mixed | --soft | --hard | --merge] [-q] [<commit>]",
+ "git reset [--mixed] <commit> [--] <paths>...",
NULL
};
+enum reset_type { MIXED, SOFT, HARD, MERGE, NONE };
+static const char *reset_type_names[] = { "mixed", "soft", "hard", "merge", NULL };
+
static char *args_to_str(const char **argv)
{
char *buf = NULL;
@@ -49,7 +52,7 @@ static inline int is_merge(void)
return !access(git_path("MERGE_HEAD"), F_OK);
}
-static int reset_index_file(const unsigned char *sha1, int is_hard_reset, int quiet)
+static int reset_index_file(const unsigned char *sha1, int reset_type, int quiet)
{
int i = 0;
const char *args[6];
@@ -57,9 +60,17 @@ static int reset_index_file(const unsigned char *sha1, int is_hard_reset, int qu
args[i++] = "read-tree";
if (!quiet)
args[i++] = "-v";
- args[i++] = "--reset";
- if (is_hard_reset)
+ switch (reset_type) {
+ case MERGE:
+ args[i++] = "-u";
+ args[i++] = "-m";
+ break;
+ case HARD:
args[i++] = "-u";
+ /* fallthrough */
+ default:
+ args[i++] = "--reset";
+ }
args[i++] = sha1_to_hex(sha1);
args[i] = NULL;
@@ -85,7 +96,7 @@ static void print_new_head_line(struct commit *commit)
printf("\n");
}
-static int update_index_refresh(int fd, struct lock_file *index_lock)
+static int update_index_refresh(int fd, struct lock_file *index_lock, int flags)
{
int result;
@@ -96,7 +107,8 @@ static int update_index_refresh(int fd, struct lock_file *index_lock)
if (read_cache() < 0)
return error("Could not read index");
- result = refresh_cache(0) ? 1 : 0;
+
+ result = refresh_cache(flags) ? 1 : 0;
if (write_cache(fd, active_cache, active_nr) ||
commit_locked_index(index_lock))
return error ("Could not refresh index");
@@ -120,6 +132,9 @@ static void update_index_from_diff(struct diff_queue_struct *q,
struct cache_entry *ce;
ce = make_cache_entry(one->mode, one->sha1, one->path,
0, 0);
+ if (!ce)
+ die("make_cache_entry failed for path '%s'",
+ one->path);
add_cache_entry(ce, ADD_CACHE_OK_TO_ADD |
ADD_CACHE_OK_TO_REPLACE);
} else
@@ -128,7 +143,7 @@ static void update_index_from_diff(struct diff_queue_struct *q,
}
static int read_from_tree(const char *prefix, const char **argv,
- unsigned char *tree_sha1)
+ unsigned char *tree_sha1, int refresh_flags)
{
struct lock_file *lock = xcalloc(1, sizeof(struct lock_file));
int index_fd, index_was_discarded = 0;
@@ -152,7 +167,7 @@ static int read_from_tree(const char *prefix, const char **argv,
if (!index_was_discarded)
/* The index is still clobbered from do_diff_cache() */
discard_cache();
- return update_index_refresh(index_fd, lock);
+ return update_index_refresh(index_fd, lock, refresh_flags);
}
static void prepend_reflog_action(const char *action, char *buf, size_t size)
@@ -165,9 +180,6 @@ static void prepend_reflog_action(const char *action, char *buf, size_t size)
warning("Reflog action message too long: %.*s...", 50, buf);
}
-enum reset_type { MIXED, SOFT, HARD, NONE };
-static const char *reset_type_names[] = { "mixed", "soft", "hard", NULL };
-
int cmd_reset(int argc, const char **argv, const char *prefix)
{
int i = 0, reset_type = NONE, update_ref_status = 0, quiet = 0;
@@ -182,6 +194,8 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
OPT_SET_INT(0, "soft", &reset_type, "reset only HEAD", SOFT),
OPT_SET_INT(0, "hard", &reset_type,
"reset HEAD, index and working tree", HARD),
+ OPT_SET_INT(0, "merge", &reset_type,
+ "reset HEAD, index and working tree", MERGE),
OPT_BOOLEAN('q', NULL, &quiet,
"disable showing new HEAD in hard reset and progress message"),
OPT_END()
@@ -246,7 +260,8 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
else if (reset_type != NONE)
die("Cannot do %s reset with paths.",
reset_type_names[reset_type]);
- return read_from_tree(prefix, argv + i, sha1);
+ return read_from_tree(prefix, argv + i, sha1,
+ quiet ? REFRESH_QUIET : REFRESH_SAY_CHANGED);
}
if (reset_type == NONE)
reset_type = MIXED; /* by default */
@@ -261,7 +276,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
if (is_merge() || read_cache() < 0 || unmerged_cache())
die("Cannot do a soft reset in the middle of a merge.");
}
- else if (reset_index_file(sha1, (reset_type == HARD), quiet))
+ else if (reset_index_file(sha1, reset_type, quiet))
die("Could not reset index file to revision '%s'.", rev);
/* Any resets update HEAD to the head being switched to,
@@ -274,7 +289,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
update_ref(msg, "ORIG_HEAD", orig, old_orig, 0, MSG_ON_ERR);
}
else if (old_orig)
- delete_ref("ORIG_HEAD", old_orig);
+ delete_ref("ORIG_HEAD", old_orig, 0);
prepend_reflog_action("updating HEAD", msg, sizeof(msg));
update_ref_status = update_ref(msg, "HEAD", sha1, orig, 0, MSG_ON_ERR);
@@ -286,7 +301,8 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
case SOFT: /* Nothing else to do. */
break;
case MIXED: /* Report what has not been updated. */
- update_index_refresh(0, NULL);
+ update_index_refresh(0, NULL,
+ quiet ? REFRESH_QUIET : REFRESH_SAY_CHANGED);
break;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 10:16:19 +0000