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-rw-r--r--third_party/git/builtin/reset.c454
1 files changed, 0 insertions, 454 deletions
diff --git a/third_party/git/builtin/reset.c b/third_party/git/builtin/reset.c
deleted file mode 100644
index c635b062c3a7..000000000000
--- a/third_party/git/builtin/reset.c
+++ /dev/null
@@ -1,454 +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
- */
-#define USE_THE_INDEX_COMPATIBILITY_MACROS
-#include "builtin.h"
-#include "config.h"
-#include "lockfile.h"
-#include "tag.h"
-#include "object.h"
-#include "pretty.h"
-#include "run-command.h"
-#include "refs.h"
-#include "diff.h"
-#include "diffcore.h"
-#include "tree.h"
-#include "branch.h"
-#include "parse-options.h"
-#include "unpack-trees.h"
-#include "cache-tree.h"
-#include "submodule.h"
-#include "submodule-config.h"
-
-#define REFRESH_INDEX_DELAY_WARNING_IN_MS (2 * 1000)
-
-static const char * const git_reset_usage[] = {
-	N_("git reset [--mixed | --soft | --hard | --merge | --keep] [-q] [<commit>]"),
-	N_("git reset [-q] [<tree-ish>] [--] <pathspec>..."),
-	N_("git reset [-q] [--pathspec-from-file [--pathspec-file-nul]] [<tree-ish>]"),
-	N_("git reset --patch [<tree-ish>] [--] [<pathspec>...]"),
-	NULL
-};
-
-enum reset_type { MIXED, SOFT, HARD, MERGE, KEEP, NONE };
-static const char *reset_type_names[] = {
-	N_("mixed"), N_("soft"), N_("hard"), N_("merge"), N_("keep"), NULL
-};
-
-static inline int is_merge(void)
-{
-	return !access(git_path_merge_head(the_repository), F_OK);
-}
-
-static int reset_index(const char *ref, const struct object_id *oid, int reset_type, int quiet)
-{
-	int i, nr = 0;
-	struct tree_desc desc[2];
-	struct tree *tree;
-	struct unpack_trees_options opts;
-	int ret = -1;
-
-	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;
-	init_checkout_metadata(&opts.meta, ref, oid, NULL);
-	if (!quiet)
-		opts.verbose_update = 1;
-	switch (reset_type) {
-	case KEEP:
-	case MERGE:
-		opts.update = 1;
-		break;
-	case HARD:
-		opts.update = 1;
-		/* fallthrough */
-	default:
-		opts.reset = 1;
-	}
-
-	read_cache_unmerged();
-
-	if (reset_type == KEEP) {
-		struct object_id head_oid;
-		if (get_oid("HEAD", &head_oid))
-			return error(_("You do not have a valid HEAD."));
-		if (!fill_tree_descriptor(the_repository, desc + nr, &head_oid))
-			return error(_("Failed to find tree of HEAD."));
-		nr++;
-		opts.fn = twoway_merge;
-	}
-
-	if (!fill_tree_descriptor(the_repository, desc + nr, oid)) {
-		error(_("Failed to find tree of %s."), oid_to_hex(oid));
-		goto out;
-	}
-	nr++;
-
-	if (unpack_trees(nr, desc, &opts))
-		goto out;
-
-	if (reset_type == MIXED || reset_type == HARD) {
-		tree = parse_tree_indirect(oid);
-		prime_cache_tree(the_repository, the_repository->index, tree);
-	}
-
-	ret = 0;
-
-out:
-	for (i = 0; i < nr; i++)
-		free((void *)desc[i].buffer);
-	return ret;
-}
-
-static void print_new_head_line(struct commit *commit)
-{
-	struct strbuf buf = STRBUF_INIT;
-
-	printf(_("HEAD is now at %s"),
-		find_unique_abbrev(&commit->object.oid, DEFAULT_ABBREV));
-
-	pp_commit_easy(CMIT_FMT_ONELINE, commit, &buf);
-	if (buf.len > 0)
-		printf(" %s", buf.buf);
-	putchar('\n');
-	strbuf_release(&buf);
-}
-
-static void update_index_from_diff(struct diff_queue_struct *q,
-		struct diff_options *opt, void *data)
-{
-	int i;
-	int intent_to_add = *(int *)data;
-
-	for (i = 0; i < q->nr; i++) {
-		struct diff_filespec *one = q->queue[i]->one;
-		int is_missing = !(one->mode && !is_null_oid(&one->oid));
-		struct cache_entry *ce;
-
-		if (is_missing && !intent_to_add) {
-			remove_file_from_cache(one->path);
-			continue;
-		}
-
-		ce = make_cache_entry(&the_index, one->mode, &one->oid, one->path,
-				      0, 0);
-		if (!ce)
-			die(_("make_cache_entry failed for path '%s'"),
-			    one->path);
-		if (is_missing) {
-			ce->ce_flags |= CE_INTENT_TO_ADD;
-			set_object_name_for_intent_to_add_entry(ce);
-		}
-		add_cache_entry(ce, ADD_CACHE_OK_TO_ADD | ADD_CACHE_OK_TO_REPLACE);
-	}
-}
-
-static int read_from_tree(const struct pathspec *pathspec,
-			  struct object_id *tree_oid,
-			  int intent_to_add)
-{
-	struct diff_options opt;
-
-	memset(&opt, 0, sizeof(opt));
-	copy_pathspec(&opt.pathspec, pathspec);
-	opt.output_format = DIFF_FORMAT_CALLBACK;
-	opt.format_callback = update_index_from_diff;
-	opt.format_callback_data = &intent_to_add;
-	opt.flags.override_submodule_config = 1;
-	opt.repo = the_repository;
-
-	if (do_diff_cache(tree_oid, &opt))
-		return 1;
-	diffcore_std(&opt);
-	diff_flush(&opt);
-	clear_pathspec(&opt.pathspec);
-
-	return 0;
-}
-
-static void set_reflog_message(struct strbuf *sb, const char *action,
-			       const char *rev)
-{
-	const char *rla = getenv("GIT_REFLOG_ACTION");
-
-	strbuf_reset(sb);
-	if (rla)
-		strbuf_addf(sb, "%s: %s", rla, action);
-	else if (rev)
-		strbuf_addf(sb, "reset: moving to %s", rev);
-	else
-		strbuf_addf(sb, "reset: %s", action);
-}
-
-static void die_if_unmerged_cache(int reset_type)
-{
-	if (is_merge() || unmerged_cache())
-		die(_("Cannot do a %s reset in the middle of a merge."),
-		    _(reset_type_names[reset_type]));
-
-}
-
-static void parse_args(struct pathspec *pathspec,
-		       const char **argv, const char *prefix,
-		       int patch_mode,
-		       const char **rev_ret)
-{
-	const char *rev = "HEAD";
-	struct object_id unused;
-	/*
-	 * Possible arguments are:
-	 *
-	 * git reset [-opts] [<rev>]
-	 * git reset [-opts] <tree> [<paths>...]
-	 * git reset [-opts] <tree> -- [<paths>...]
-	 * git reset [-opts] -- [<paths>...]
-	 * git reset [-opts] <paths>...
-	 *
-	 * At this point, argv points immediately after [-opts].
-	 */
-
-	if (argv[0]) {
-		if (!strcmp(argv[0], "--")) {
-			argv++; /* reset to HEAD, possibly with paths */
-		} else if (argv[1] && !strcmp(argv[1], "--")) {
-			rev = argv[0];
-			argv += 2;
-		}
-		/*
-		 * Otherwise, argv[0] could be either <rev> or <paths> and
-		 * has to be unambiguous. If there is a single argument, it
-		 * can not be a tree
-		 */
-		else if ((!argv[1] && !get_oid_committish(argv[0], &unused)) ||
-			 (argv[1] && !get_oid_treeish(argv[0], &unused))) {
-			/*
-			 * Ok, argv[0] looks like a commit/tree; it should not
-			 * be a filename.
-			 */
-			verify_non_filename(prefix, argv[0]);
-			rev = *argv++;
-		} else {
-			/* Otherwise we treat this as a filename */
-			verify_filename(prefix, argv[0], 1);
-		}
-	}
-	*rev_ret = rev;
-
-	if (read_cache() < 0)
-		die(_("index file corrupt"));
-
-	parse_pathspec(pathspec, 0,
-		       PATHSPEC_PREFER_FULL |
-		       (patch_mode ? PATHSPEC_PREFIX_ORIGIN : 0),
-		       prefix, argv);
-}
-
-static int reset_refs(const char *rev, const struct object_id *oid)
-{
-	int update_ref_status;
-	struct strbuf msg = STRBUF_INIT;
-	struct object_id *orig = NULL, oid_orig,
-		*old_orig = NULL, oid_old_orig;
-
-	if (!get_oid("ORIG_HEAD", &oid_old_orig))
-		old_orig = &oid_old_orig;
-	if (!get_oid("HEAD", &oid_orig)) {
-		orig = &oid_orig;
-		set_reflog_message(&msg, "updating ORIG_HEAD", NULL);
-		update_ref(msg.buf, "ORIG_HEAD", orig, old_orig, 0,
-			   UPDATE_REFS_MSG_ON_ERR);
-	} else if (old_orig)
-		delete_ref(NULL, "ORIG_HEAD", old_orig, 0);
-	set_reflog_message(&msg, "updating HEAD", rev);
-	update_ref_status = update_ref(msg.buf, "HEAD", oid, orig, 0,
-				       UPDATE_REFS_MSG_ON_ERR);
-	strbuf_release(&msg);
-	return update_ref_status;
-}
-
-static int git_reset_config(const char *var, const char *value, void *cb)
-{
-	if (!strcmp(var, "submodule.recurse"))
-		return git_default_submodule_config(var, value, cb);
-
-	return git_default_config(var, value, cb);
-}
-
-int cmd_reset(int argc, const char **argv, const char *prefix)
-{
-	int reset_type = NONE, update_ref_status = 0, quiet = 0;
-	int patch_mode = 0, pathspec_file_nul = 0, unborn;
-	const char *rev, *pathspec_from_file = NULL;
-	struct object_id oid;
-	struct pathspec pathspec;
-	int intent_to_add = 0;
-	const struct option options[] = {
-		OPT__QUIET(&quiet, N_("be quiet, only report errors")),
-		OPT_SET_INT(0, "mixed", &reset_type,
-						N_("reset HEAD and index"), MIXED),
-		OPT_SET_INT(0, "soft", &reset_type, N_("reset only HEAD"), SOFT),
-		OPT_SET_INT(0, "hard", &reset_type,
-				N_("reset HEAD, index and working tree"), HARD),
-		OPT_SET_INT(0, "merge", &reset_type,
-				N_("reset HEAD, index and working tree"), MERGE),
-		OPT_SET_INT(0, "keep", &reset_type,
-				N_("reset HEAD but keep local changes"), KEEP),
-		OPT_CALLBACK_F(0, "recurse-submodules", NULL,
-			    "reset", "control recursive updating of submodules",
-			    PARSE_OPT_OPTARG, option_parse_recurse_submodules_worktree_updater),
-		OPT_BOOL('p', "patch", &patch_mode, N_("select hunks interactively")),
-		OPT_BOOL('N', "intent-to-add", &intent_to_add,
-				N_("record only the fact that removed paths will be added later")),
-		OPT_PATHSPEC_FROM_FILE(&pathspec_from_file),
-		OPT_PATHSPEC_FILE_NUL(&pathspec_file_nul),
-		OPT_END()
-	};
-
-	git_config(git_reset_config, NULL);
-	git_config_get_bool("reset.quiet", &quiet);
-
-	argc = parse_options(argc, argv, prefix, options, git_reset_usage,
-						PARSE_OPT_KEEP_DASHDASH);
-	parse_args(&pathspec, argv, prefix, patch_mode, &rev);
-
-	if (pathspec_from_file) {
-		if (patch_mode)
-			die(_("--pathspec-from-file is incompatible with --patch"));
-
-		if (pathspec.nr)
-			die(_("--pathspec-from-file is incompatible with pathspec arguments"));
-
-		parse_pathspec_file(&pathspec, 0,
-				    PATHSPEC_PREFER_FULL,
-				    prefix, pathspec_from_file, pathspec_file_nul);
-	} else if (pathspec_file_nul) {
-		die(_("--pathspec-file-nul requires --pathspec-from-file"));
-	}
-
-	unborn = !strcmp(rev, "HEAD") && get_oid("HEAD", &oid);
-	if (unborn) {
-		/* reset on unborn branch: treat as reset to empty tree */
-		oidcpy(&oid, the_hash_algo->empty_tree);
-	} else if (!pathspec.nr && !patch_mode) {
-		struct commit *commit;
-		if (get_oid_committish(rev, &oid))
-			die(_("Failed to resolve '%s' as a valid revision."), rev);
-		commit = lookup_commit_reference(the_repository, &oid);
-		if (!commit)
-			die(_("Could not parse object '%s'."), rev);
-		oidcpy(&oid, &commit->object.oid);
-	} else {
-		struct tree *tree;
-		if (get_oid_treeish(rev, &oid))
-			die(_("Failed to resolve '%s' as a valid tree."), rev);
-		tree = parse_tree_indirect(&oid);
-		if (!tree)
-			die(_("Could not parse object '%s'."), rev);
-		oidcpy(&oid, &tree->object.oid);
-	}
-
-	if (patch_mode) {
-		if (reset_type != NONE)
-			die(_("--patch is incompatible with --{hard,mixed,soft}"));
-		trace2_cmd_mode("patch-interactive");
-		return run_add_interactive(rev, "--patch=reset", &pathspec);
-	}
-
-	/* 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 (pathspec.nr) {
-		if (reset_type == MIXED)
-			warning(_("--mixed with paths is deprecated; use 'git reset -- <paths>' instead."));
-		else if (reset_type != NONE)
-			die(_("Cannot do %s reset with paths."),
-					_(reset_type_names[reset_type]));
-	}
-	if (reset_type == NONE)
-		reset_type = MIXED; /* by default */
-
-	if (pathspec.nr)
-		trace2_cmd_mode("path");
-	else
-		trace2_cmd_mode(reset_type_names[reset_type]);
-
-	if (reset_type != SOFT && (reset_type != MIXED || get_git_work_tree()))
-		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]));
-
-	if (intent_to_add && reset_type != MIXED)
-		die(_("-N can only be used with --mixed"));
-
-	/* 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 || reset_type == KEEP)
-		die_if_unmerged_cache(reset_type);
-
-	if (reset_type != SOFT) {
-		struct lock_file lock = LOCK_INIT;
-		hold_locked_index(&lock, LOCK_DIE_ON_ERROR);
-		if (reset_type == MIXED) {
-			int flags = quiet ? REFRESH_QUIET : REFRESH_IN_PORCELAIN;
-			if (read_from_tree(&pathspec, &oid, intent_to_add))
-				return 1;
-			the_index.updated_skipworktree = 1;
-			if (!quiet && get_git_work_tree()) {
-				uint64_t t_begin, t_delta_in_ms;
-
-				t_begin = getnanotime();
-				refresh_index(&the_index, flags, NULL, NULL,
-					      _("Unstaged changes after reset:"));
-				t_delta_in_ms = (getnanotime() - t_begin) / 1000000;
-				if (advice_reset_quiet_warning && t_delta_in_ms > REFRESH_INDEX_DELAY_WARNING_IN_MS) {
-					printf(_("\nIt took %.2f seconds to enumerate unstaged changes after reset.  You can\n"
-						"use '--quiet' to avoid this.  Set the config setting reset.quiet to true\n"
-						"to make this the default.\n"), t_delta_in_ms / 1000.0);
-				}
-			}
-		} else {
-			struct object_id dummy;
-			char *ref = NULL;
-			int err;
-
-			dwim_ref(rev, strlen(rev), &dummy, &ref, 0);
-			if (ref && !starts_with(ref, "refs/"))
-				ref = NULL;
-
-			err = reset_index(ref, &oid, reset_type, quiet);
-			if (reset_type == KEEP && !err)
-				err = reset_index(ref, &oid, MIXED, quiet);
-			if (err)
-				die(_("Could not reset index file to revision '%s'."), rev);
-			free(ref);
-		}
-
-		if (write_locked_index(&the_index, &lock, COMMIT_LOCK))
-			die(_("Could not write new index file."));
-	}
-
-	if (!pathspec.nr && !unborn) {
-		/* Any resets without paths update HEAD to the head being
-		 * switched to, saving the previous head in ORIG_HEAD before. */
-		update_ref_status = reset_refs(rev, &oid);
-
-		if (reset_type == HARD && !update_ref_status && !quiet)
-			print_new_head_line(lookup_commit_reference(the_repository, &oid));
-	}
-	if (!pathspec.nr)
-		remove_branch_state(the_repository, 0);
-
-	return update_ref_status;
-}