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Diffstat (limited to 'builtin-reset.c')
-rw-r--r--builtin-reset.c109
1 files changed, 82 insertions, 27 deletions
diff --git a/builtin-reset.c b/builtin-reset.c
index c24c219091..0f5022eed2 100644
--- a/builtin-reset.c
+++ b/builtin-reset.c
@@ -18,13 +18,18 @@
#include "tree.h"
#include "branch.h"
#include "parse-options.h"
+#include "unpack-trees.h"
+#include "cache-tree.h"
static const char * const git_reset_usage[] = {
- "git reset [--mixed | --soft | --hard] [-q] [<commit>]",
+ "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;
@@ -49,21 +54,46 @@ 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];
+ int nr = 1;
+ int newfd;
+ struct tree_desc desc[2];
+ struct unpack_trees_options opts;
+ struct lock_file *lock = xcalloc(1, sizeof(struct lock_file));
- args[i++] = "read-tree";
+ memset(&opts, 0, sizeof(opts));
+ opts.head_idx = 1;
+ opts.src_index = &the_index;
+ opts.dst_index = &the_index;
+ opts.fn = oneway_merge;
+ opts.merge = 1;
if (!quiet)
- args[i++] = "-v";
- args[i++] = "--reset";
- if (is_hard_reset)
- args[i++] = "-u";
- args[i++] = sha1_to_hex(sha1);
- args[i] = NULL;
-
- return run_command_v_opt(args, RUN_GIT_CMD);
+ opts.verbose_update = 1;
+ switch (reset_type) {
+ case MERGE:
+ opts.update = 1;
+ break;
+ case HARD:
+ opts.update = 1;
+ /* fallthrough */
+ default:
+ opts.reset = 1;
+ }
+
+ newfd = hold_locked_index(lock, 1);
+
+ read_cache_unmerged();
+
+ if (!fill_tree_descriptor(desc + nr - 1, sha1))
+ return error("Failed to find tree of %s.", sha1_to_hex(sha1));
+ if (unpack_trees(nr, desc, &opts))
+ return -1;
+ if (write_cache(newfd, active_cache, active_nr) ||
+ commit_locked_index(lock))
+ return error("Could not write new index file.");
+
+ return 0;
}
static void print_new_head_line(struct commit *commit)
@@ -97,7 +127,8 @@ static int update_index_refresh(int fd, struct lock_file *index_lock, int flags)
if (read_cache() < 0)
return error("Could not read index");
- result = refresh_cache(flags) ? 1 : 0;
+ result = refresh_index(&the_index, (flags), NULL, NULL,
+ "Unstaged changes after reset:") ? 1 : 0;
if (write_cache(fd, active_cache, active_nr) ||
commit_locked_index(index_lock))
return error ("Could not refresh index");
@@ -121,6 +152,9 @@ 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
@@ -128,6 +162,17 @@ static void update_index_from_diff(struct diff_queue_struct *q,
}
}
+static int interactive_reset(const char *revision, const char **argv,
+ const char *prefix)
+{
+ const char **pathspec = NULL;
+
+ if (*argv)
+ pathspec = get_pathspec(prefix, argv);
+
+ return run_add_interactive(revision, "--patch=reset", pathspec);
+}
+
static int read_from_tree(const char *prefix, const char **argv,
unsigned char *tree_sha1, int refresh_flags)
{
@@ -166,31 +211,31 @@ 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;
+ int patch_mode = 0;
const char *rev = "HEAD";
unsigned char sha1[20], *orig = NULL, sha1_orig[20],
*old_orig = NULL, sha1_old_orig[20];
struct commit *commit;
char *reflog_action, msg[1024];
const struct option options[] = {
+ OPT__QUIET(&quiet),
OPT_SET_INT(0, "mixed", &reset_type,
"reset HEAD and index", MIXED),
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_BOOLEAN('q', NULL, &quiet,
- "disable showing new HEAD in hard reset and progress message"),
+ OPT_SET_INT(0, "merge", &reset_type,
+ "reset HEAD, index and working tree", MERGE),
+ OPT_BOOLEAN('p', "patch", &patch_mode, "select hunks interactively"),
OPT_END()
};
git_config(git_default_config, NULL);
- argc = parse_options(argc, argv, options, git_reset_usage,
+ argc = parse_options(argc, argv, prefix, options, git_reset_usage,
PARSE_OPT_KEEP_DASHDASH);
reflog_action = args_to_str(argv);
setenv("GIT_REFLOG_ACTION", reflog_action, 0);
@@ -215,7 +260,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
}
/*
* Otherwise, argv[i] could be either <rev> or <paths> and
- * has to be unambigous.
+ * has to be unambiguous.
*/
else if (!get_sha1(argv[i], sha1)) {
/*
@@ -238,6 +283,12 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
die("Could not parse object '%s'.", rev);
hashcpy(sha1, commit->object.sha1);
+ if (patch_mode) {
+ if (reset_type != NONE)
+ die("--patch is incompatible with --{hard,mixed,soft}");
+ return interactive_reset(rev, argv + i, prefix);
+ }
+
/* git reset tree [--] paths... can be used to
* load chosen paths from the tree into the index without
* affecting the working tree nor HEAD. */
@@ -248,13 +299,17 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
die("Cannot do %s reset with paths.",
reset_type_names[reset_type]);
return read_from_tree(prefix, argv + i, sha1,
- quiet ? REFRESH_QUIET : REFRESH_SAY_CHANGED);
+ quiet ? REFRESH_QUIET : REFRESH_IN_PORCELAIN);
}
if (reset_type == NONE)
reset_type = MIXED; /* by default */
- if (reset_type == HARD && is_bare_repository())
- die("hard reset makes no sense in a bare repository");
+ if (reset_type == HARD || reset_type == MERGE)
+ setup_work_tree();
+
+ if (reset_type == MIXED && is_bare_repository())
+ die("%s reset is not allowed in a bare repository",
+ reset_type_names[reset_type]);
/* Soft reset does not touch the index file nor the working tree
* at all, but requires them in a good order. Other resets reset
@@ -263,7 +318,7 @@ 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,
@@ -276,7 +331,7 @@ 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);
@@ -289,7 +344,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix)
break;
case MIXED: /* Report what has not been updated. */
update_index_refresh(0, NULL,
- quiet ? REFRESH_QUIET : REFRESH_SAY_CHANGED);
+ quiet ? REFRESH_QUIET : REFRESH_IN_PORCELAIN);
break;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 20:56:29 +0000