diff options
Diffstat (limited to 'builtin-reset.c')
| -rw-r--r-- | builtin-reset.c | 82 |
1 files changed, 62 insertions, 20 deletions
diff --git a/builtin-reset.c b/builtin-reset.c index c0cb915c2..0f5022eed 100644 --- a/builtin-reset.c +++ b/builtin-reset.c @@ -18,6 +18,8 @@ #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 | --merge] [-q] [<commit>]", @@ -54,27 +56,44 @@ static inline int is_merge(void) 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"; + opts.verbose_update = 1; switch (reset_type) { case MERGE: - args[i++] = "-u"; - args[i++] = "-m"; + opts.update = 1; break; case HARD: - args[i++] = "-u"; + opts.update = 1; /* fallthrough */ default: - args[i++] = "--reset"; + opts.reset = 1; } - args[i++] = sha1_to_hex(sha1); - args[i] = NULL; - return run_command_v_opt(args, RUN_GIT_CMD); + 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) @@ -108,7 +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"); @@ -142,6 +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) { @@ -183,12 +214,14 @@ static void prepend_reflog_action(const char *action, char *buf, size_t size) 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), @@ -196,14 +229,13 @@ int cmd_reset(int argc, const char **argv, const char *prefix) "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, 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); @@ -228,7 +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)) { /* @@ -251,6 +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. */ @@ -261,13 +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 @@ -302,7 +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; } |