1 files changed, 0 insertions, 334 deletions
diff --git a/builtin-reset.c b/builtin-reset.c
deleted file mode 100644
index 73e60223db..0000000000
--- a/builtin-reset.c
+++ /dev/null
@@ -1,334 +0,0 @@
-/*
- * "git reset" builtin command
- *
- * Copyright (c) 2007 Carlos Rica
- *
- * Based on git-reset.sh, which is
- *
- * Copyright (c) 2005, 2006 Linus Torvalds and Junio C Hamano
- */
-#include "cache.h"
-#include "tag.h"
-#include "object.h"
-#include "commit.h"
-#include "run-command.h"
-#include "refs.h"
-#include "diff.h"
-#include "diffcore.h"
-#include "tree.h"
-#include "branch.h"
-#include "parse-options.h"
-
-static const char * const git_reset_usage[] = {
-	"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;
-	unsigned long len, space = 0, nr = 0;
-
-	for (; *argv; argv++) {
-		len = strlen(*argv);
-		ALLOC_GROW(buf, nr + 1 + len, space);
-		if (nr)
-			buf[nr++] = ' ';
-		memcpy(buf + nr, *argv, len);
-		nr += len;
-	}
-	ALLOC_GROW(buf, nr + 1, space);
-	buf[nr] = '\0';
-
-	return buf;
-}
-
-static inline int is_merge(void)
-{
-	return !access(git_path("MERGE_HEAD"), F_OK);
-}
-
-static int reset_index_file(const unsigned char *sha1, int reset_type, int quiet)
-{
-	int i = 0;
-	const char *args[6];
-
-	args[i++] = "read-tree";
-	if (!quiet)
-		args[i++] = "-v";
-	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;
-
-	return run_command_v_opt(args, RUN_GIT_CMD);
-}
-
-static void print_new_head_line(struct commit *commit)
-{
-	const char *hex, *body;
-
-	hex = find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV);
-	printf("HEAD is now at %s", hex);
-	body = strstr(commit->buffer, "\n\n");
-	if (body) {
-		const char *eol;
-		size_t len;
-		body += 2;
-		eol = strchr(body, '\n');
-		len = eol ? eol - body : strlen(body);
-		printf(" %.*s\n", (int) len, body);
-	}
-	else
-		printf("\n");
-}
-
-static int update_index_refresh(int fd, struct lock_file *index_lock, int flags)
-{
-	int result;
-
-	if (!index_lock) {
-		index_lock = xcalloc(1, sizeof(struct lock_file));
-		fd = hold_locked_index(index_lock, 1);
-	}
-
-	if (read_cache() < 0)
-		return error("Could not read index");
-
-	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");
-	return result;
-}
-
-static void update_index_from_diff(struct diff_queue_struct *q,
-		struct diff_options *opt, void *data)
-{
-	int i;
-	int *discard_flag = data;
-
-	/* do_diff_cache() mangled the index */
-	discard_cache();
-	*discard_flag = 1;
-	read_cache();
-
-	for (i = 0; i < q->nr; i++) {
-		struct diff_filespec *one = q->queue[i]->one;
-		if (one->mode) {
-			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
-			remove_file_from_cache(one->path);
-	}
-}
-
-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)
-{
-	struct lock_file *lock = xcalloc(1, sizeof(struct lock_file));
-	int index_fd, index_was_discarded = 0;
-	struct diff_options opt;
-
-	memset(&opt, 0, sizeof(opt));
-	diff_tree_setup_paths(get_pathspec(prefix, (const char **)argv), &opt);
-	opt.output_format = DIFF_FORMAT_CALLBACK;
-	opt.format_callback = update_index_from_diff;
-	opt.format_callback_data = &index_was_discarded;
-
-	index_fd = hold_locked_index(lock, 1);
-	index_was_discarded = 0;
-	read_cache();
-	if (do_diff_cache(tree_sha1, &opt))
-		return 1;
-	diffcore_std(&opt);
-	diff_flush(&opt);
-	diff_tree_release_paths(&opt);
-
-	if (!index_was_discarded)
-		/* The index is still clobbered from do_diff_cache() */
-		discard_cache();
-	return update_index_refresh(index_fd, lock, refresh_flags);
-}
-
-static void prepend_reflog_action(const char *action, char *buf, size_t size)
-{
-	const char *sep = ": ";
-	const char *rla = getenv("GIT_REFLOG_ACTION");
-	if (!rla)
-		rla = sep = "";
-	if (snprintf(buf, size, "%s%s%s", rla, sep, action) >= size)
-		warning("Reflog action message too long: %.*s...", 50, buf);
-}
-
-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_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_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_BOOLEAN('p', "patch", &patch_mode, "select hunks interactively"),
-		OPT_END()
-	};
-
-	git_config(git_default_config, NULL);
-
-	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);
-
-	/*
-	 * Possible arguments are:
-	 *
-	 * git reset [-opts] <rev> <paths>...
-	 * git reset [-opts] <rev> -- <paths>...
-	 * git reset [-opts] -- <paths>...
-	 * git reset [-opts] <paths>...
-	 *
-	 * At this point, argv[i] points immediately after [-opts].
-	 */
-
-	if (i < argc) {
-		if (!strcmp(argv[i], "--")) {
-			i++; /* reset to HEAD, possibly with paths */
-		} else if (i + 1 < argc && !strcmp(argv[i+1], "--")) {
-			rev = argv[i];
-			i += 2;
-		}
-		/*
-		 * Otherwise, argv[i] could be either <rev> or <paths> and
-		 * has to be unambiguous.
-		 */
-		else if (!get_sha1(argv[i], sha1)) {
-			/*
-			 * Ok, argv[i] looks like a rev; it should not
-			 * be a filename.
-			 */
-			verify_non_filename(prefix, argv[i]);
-			rev = argv[i++];
-		} else {
-			/* Otherwise we treat this as a filename */
-			verify_filename(prefix, argv[i]);
-		}
-	}
-
-	if (get_sha1(rev, sha1))
-		die("Failed to resolve '%s' as a valid ref.", rev);
-
-	commit = lookup_commit_reference(sha1);
-	if (!commit)
-		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. */
-	if (i < argc) {
-		if (reset_type == MIXED)
-			warning("--mixed option is deprecated with paths.");
-		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,
-				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");
-
-	/* Soft reset does not touch the index file nor the working tree
-	 * at all, but requires them in a good order.  Other resets reset
-	 * the index file to the tree object we are switching to. */
-	if (reset_type == SOFT) {
-		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, quiet))
-		die("Could not reset index file to revision '%s'.", rev);
-
-	/* Any resets update HEAD to the head being switched to,
-	 * saving the previous head in ORIG_HEAD before. */
-	if (!get_sha1("ORIG_HEAD", sha1_old_orig))
-		old_orig = sha1_old_orig;
-	if (!get_sha1("HEAD", sha1_orig)) {
-		orig = sha1_orig;
-		prepend_reflog_action("updating ORIG_HEAD", msg, sizeof(msg));
-		update_ref(msg, "ORIG_HEAD", orig, old_orig, 0, MSG_ON_ERR);
-	}
-	else if (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);
-
-	switch (reset_type) {
-	case HARD:
-		if (!update_ref_status && !quiet)
-			print_new_head_line(commit);
-		break;
-	case SOFT: /* Nothing else to do. */
-		break;
-	case MIXED: /* Report what has not been updated. */
-		update_index_refresh(0, NULL,
-				quiet ? REFRESH_QUIET : REFRESH_IN_PORCELAIN);
-		break;
-	}
-
-	remove_branch_state();
-
-	free(reflog_action);
-
-	return update_ref_status;
-}