diff options
Diffstat (limited to 'builtin/revert.c')
-rw-r--r-- | builtin/revert.c | 191 |
1 files changed, 101 insertions, 90 deletions
diff --git a/builtin/revert.c b/builtin/revert.c index 4b47ace36b..f697e66953 100644 --- a/builtin/revert.c +++ b/builtin/revert.c @@ -3,7 +3,6 @@ #include "object.h" #include "commit.h" #include "tag.h" -#include "wt-status.h" #include "run-command.h" #include "exec_cmd.h" #include "utf8.h" @@ -44,7 +43,11 @@ static const char **commit_argv; static int allow_rerere_auto; static const char *me; + +/* Merge strategy. */ static const char *strategy; +static const char **xopts; +static size_t xopts_nr, xopts_alloc; #define GIT_REFLOG_ACTION "GIT_REFLOG_ACTION" @@ -55,6 +58,17 @@ static const char * const *revert_or_cherry_pick_usage(void) return action == REVERT ? revert_usage : cherry_pick_usage; } +static int option_parse_x(const struct option *opt, + const char *arg, int unset) +{ + if (unset) + return 0; + + ALLOC_GROW(xopts, xopts_nr + 1, xopts_alloc); + xopts[xopts_nr++] = xstrdup(arg); + return 0; +} + static void parse_args(int argc, const char **argv) { const char * const * usage_str = revert_or_cherry_pick_usage(); @@ -62,11 +76,14 @@ static void parse_args(int argc, const char **argv) struct option options[] = { OPT_BOOLEAN('n', "no-commit", &no_commit, "don't automatically commit"), OPT_BOOLEAN('e', "edit", &edit, "edit the commit message"), - OPT_BOOLEAN('r', NULL, &noop, "no-op (backward compatibility)"), + { OPTION_BOOLEAN, 'r', NULL, &noop, NULL, "no-op (backward compatibility)", + PARSE_OPT_NOARG | PARSE_OPT_HIDDEN, NULL, 0 }, OPT_BOOLEAN('s', "signoff", &signoff, "add Signed-off-by:"), OPT_INTEGER('m', "mainline", &mainline, "parent number"), OPT_RERERE_AUTOUPDATE(&allow_rerere_auto), OPT_STRING(0, "strategy", &strategy, "strategy", "merge strategy"), + OPT_CALLBACK('X', "strategy-option", &xopts, "option", + "option for merge strategy", option_parse_x), OPT_END(), OPT_END(), OPT_END(), @@ -79,7 +96,7 @@ static void parse_args(int argc, const char **argv) OPT_END(), }; if (parse_options_concat(options, ARRAY_SIZE(options), cp_extra)) - die("program error"); + die(_("program error")); } commit_argc = parse_options(argc, argv, NULL, options, usage_str, @@ -151,7 +168,7 @@ static char *get_encoding(const char *message) const char *p = message, *eol; if (!p) - die ("Could not read commit message of %s", + die (_("Could not read commit message of %s"), sha1_to_hex(commit->object.sha1)); while (*p && *p != '\n') { for (eol = p + 1; *eol && *eol != '\n'; eol++) @@ -181,54 +198,20 @@ static void add_message_to_msg(struct strbuf *msgbuf, const char *message) strbuf_addstr(msgbuf, p); } -static void set_author_ident_env(const char *message) +static void write_cherry_pick_head(void) { - const char *p = message; - if (!p) - die ("Could not read commit message of %s", - sha1_to_hex(commit->object.sha1)); - while (*p && *p != '\n') { - const char *eol; - - for (eol = p; *eol && *eol != '\n'; eol++) - ; /* do nothing */ - if (!prefixcmp(p, "author ")) { - char *line, *pend, *email, *timestamp; - - p += 7; - line = xmemdupz(p, eol - p); - email = strchr(line, '<'); - if (!email) - die ("Could not extract author email from %s", - sha1_to_hex(commit->object.sha1)); - if (email == line) - pend = line; - else - for (pend = email; pend != line + 1 && - isspace(pend[-1]); pend--); - ; /* do nothing */ - *pend = '\0'; - email++; - timestamp = strchr(email, '>'); - if (!timestamp) - die ("Could not extract author time from %s", - sha1_to_hex(commit->object.sha1)); - *timestamp = '\0'; - for (timestamp++; *timestamp && isspace(*timestamp); - timestamp++) - ; /* do nothing */ - setenv("GIT_AUTHOR_NAME", line, 1); - setenv("GIT_AUTHOR_EMAIL", email, 1); - setenv("GIT_AUTHOR_DATE", timestamp, 1); - free(line); - return; - } - p = eol; - if (*p == '\n') - p++; - } - die ("No author information found in %s", - sha1_to_hex(commit->object.sha1)); + int fd; + struct strbuf buf = STRBUF_INIT; + + strbuf_addf(&buf, "%s\n", sha1_to_hex(commit->object.sha1)); + + fd = open(git_path("CHERRY_PICK_HEAD"), O_WRONLY | O_CREAT, 0666); + if (fd < 0) + die_errno(_("Could not open '%s' for writing"), + git_path("CHERRY_PICK_HEAD")); + if (write_in_full(fd, buf.buf, buf.len) != buf.len || close(fd)) + die_errno(_("Could not write to '%s'"), git_path("CHERRY_PICK_HEAD")); + strbuf_release(&buf); } static void advise(const char *advice, ...) @@ -246,15 +229,18 @@ static void print_advice(void) if (msg) { fprintf(stderr, "%s\n", msg); + /* + * A conflict has occured but the porcelain + * (typically rebase --interactive) wants to take care + * of the commit itself so remove CHERRY_PICK_HEAD + */ + unlink(git_path("CHERRY_PICK_HEAD")); return; } advise("after resolving the conflicts, mark the corrected paths"); advise("with 'git add <paths>' or 'git rm <paths>'"); - - if (action == CHERRY_PICK) - advise("and commit the result with 'git commit -c %s'", - find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV)); + advise("and commit the result with 'git commit'"); } static void write_message(struct strbuf *msgbuf, const char *filename) @@ -264,10 +250,10 @@ static void write_message(struct strbuf *msgbuf, const char *filename) int msg_fd = hold_lock_file_for_update(&msg_file, filename, LOCK_DIE_ON_ERROR); if (write_in_full(msg_fd, msgbuf->buf, msgbuf->len) < 0) - die_errno("Could not write to %s.", filename); + die_errno(_("Could not write to %s."), filename); strbuf_release(msgbuf); if (commit_lock_file(&msg_file) < 0) - die("Error wrapping up %s", filename); + die(_("Error wrapping up %s"), filename); } static struct tree *empty_tree(void) @@ -285,11 +271,19 @@ static NORETURN void die_dirty_index(const char *me) if (read_cache_unmerged()) { die_resolve_conflict(me); } else { - if (advice_commit_before_merge) - die("Your local changes would be overwritten by %s.\n" - "Please, commit your changes or stash them to proceed.", me); - else - die("Your local changes would be overwritten by %s.\n", me); + if (advice_commit_before_merge) { + if (action == REVERT) + die(_("Your local changes would be overwritten by revert.\n" + "Please, commit your changes or stash them to proceed.")); + else + die(_("Your local changes would be overwritten by cherry-pick.\n" + "Please, commit your changes or stash them to proceed.")); + } else { + if (action == REVERT) + die(_("Your local changes would be overwritten by revert.\n")); + else + die(_("Your local changes would be overwritten by cherry-pick.\n")); + } } } @@ -311,18 +305,13 @@ static int do_recursive_merge(struct commit *base, struct commit *next, struct merge_options o; struct tree *result, *next_tree, *base_tree, *head_tree; int clean, index_fd; + const char **xopt; static struct lock_file index_lock; index_fd = hold_locked_index(&index_lock, 1); read_cache(); - /* - * NEEDSWORK: cherry-picking between branches with - * different end-of-line normalization is a pain; - * plumb in an option to set o.renormalize? - * (or better: arbitrary -X options) - */ init_merge_options(&o); o.ancestor = base ? base_label : "(empty tree)"; o.branch1 = "HEAD"; @@ -332,6 +321,9 @@ static int do_recursive_merge(struct commit *base, struct commit *next, next_tree = next ? next->tree : empty_tree(); base_tree = base ? base->tree : empty_tree(); + for (xopt = xopts; xopt != xopts + xopts_nr; xopt++) + parse_merge_opt(&o, *xopt); + clean = merge_trees(&o, head_tree, next_tree, base_tree, &result); @@ -339,7 +331,8 @@ static int do_recursive_merge(struct commit *base, struct commit *next, if (active_cache_changed && (write_cache(index_fd, active_cache, active_nr) || commit_locked_index(&index_lock))) - die("%s: Unable to write new index file", me); + /* TRANSLATORS: %s will be "revert" or "cherry-pick" */ + die(_("%s: Unable to write new index file"), me); rollback_lock_file(&index_lock); if (!clean) { @@ -405,10 +398,10 @@ static int do_pick_commit(void) * to work on. */ if (write_cache_as_tree(head, 0, NULL)) - die ("Your index file is unmerged."); + die (_("Your index file is unmerged.")); } else { if (get_sha1("HEAD", head)) - die ("You do not have a valid HEAD"); + die (_("You do not have a valid HEAD")); if (index_differs_from("HEAD", 0)) die_dirty_index(me); } @@ -416,7 +409,7 @@ static int do_pick_commit(void) if (!commit->parents) { if (action == REVERT) - die ("Cannot revert a root commit"); + die (_("Cannot revert a root commit")); parent = NULL; } else if (commit->parents->next) { @@ -425,7 +418,7 @@ static int do_pick_commit(void) struct commit_list *p; if (!mainline) - die("Commit %s is a merge but no -m option was given.", + die(_("Commit %s is a merge but no -m option was given."), sha1_to_hex(commit->object.sha1)); for (cnt = 1, p = commit->parents; @@ -433,24 +426,26 @@ static int do_pick_commit(void) cnt++) p = p->next; if (cnt != mainline || !p) - die("Commit %s does not have parent %d", + die(_("Commit %s does not have parent %d"), sha1_to_hex(commit->object.sha1), mainline); parent = p->item; } else if (0 < mainline) - die("Mainline was specified but commit %s is not a merge.", + die(_("Mainline was specified but commit %s is not a merge."), sha1_to_hex(commit->object.sha1)); else parent = commit->parents->item; - if (allow_ff && !hashcmp(parent->object.sha1, head)) + if (allow_ff && parent && !hashcmp(parent->object.sha1, head)) return fast_forward_to(commit->object.sha1, head); if (parent && parse_commit(parent) < 0) - die("%s: cannot parse parent commit %s", + /* TRANSLATORS: The first %s will be "revert" or + "cherry-pick", the second %s a SHA1 */ + die(_("%s: cannot parse parent commit %s"), me, sha1_to_hex(parent->object.sha1)); if (get_message(commit->buffer, &msg) != 0) - die("Cannot get commit message for %s", + die(_("Cannot get commit message for %s"), sha1_to_hex(commit->object.sha1)); /* @@ -482,13 +477,14 @@ static int do_pick_commit(void) base_label = msg.parent_label; next = commit; next_label = msg.label; - set_author_ident_env(msg.message); add_message_to_msg(&msgbuf, msg.message); if (no_replay) { strbuf_addstr(&msgbuf, "(cherry picked from commit "); strbuf_addstr(&msgbuf, sha1_to_hex(commit->object.sha1)); strbuf_addstr(&msgbuf, ")\n"); } + if (!no_commit) + write_cherry_pick_head(); } if (!strategy || !strcmp(strategy, "recursive") || action == REVERT) { @@ -503,15 +499,16 @@ static int do_pick_commit(void) commit_list_insert(base, &common); commit_list_insert(next, &remotes); - res = try_merge_command(strategy, common, + res = try_merge_command(strategy, xopts_nr, xopts, common, sha1_to_hex(head), remotes); free_commit_list(common); free_commit_list(remotes); } if (res) { - error("could not %s %s... %s", - action == REVERT ? "revert" : "apply", + error(action == REVERT + ? _("could not revert %s... %s") + : _("could not apply %s... %s"), find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV), msg.subject); print_advice(); @@ -541,10 +538,25 @@ static void prepare_revs(struct rev_info *revs) usage(*revert_or_cherry_pick_usage()); if (prepare_revision_walk(revs)) - die("revision walk setup failed"); + die(_("revision walk setup failed")); if (!revs->commits) - die("empty commit set passed"); + die(_("empty commit set passed")); +} + +static void read_and_refresh_cache(const char *me) +{ + static struct lock_file index_lock; + int index_fd = hold_locked_index(&index_lock, 0); + if (read_index_preload(&the_index, NULL) < 0) + die(_("git %s: failed to read the index"), me); + refresh_index(&the_index, REFRESH_QUIET|REFRESH_UNMERGED, NULL, NULL, NULL); + if (the_index.cache_changed) { + if (write_index(&the_index, index_fd) || + commit_locked_index(&index_lock)) + die(_("git %s: failed to refresh the index"), me); + } + rollback_lock_file(&index_lock); } static int revert_or_cherry_pick(int argc, const char **argv) @@ -558,17 +570,16 @@ static int revert_or_cherry_pick(int argc, const char **argv) if (allow_ff) { if (signoff) - die("cherry-pick --ff cannot be used with --signoff"); + die(_("cherry-pick --ff cannot be used with --signoff")); if (no_commit) - die("cherry-pick --ff cannot be used with --no-commit"); + die(_("cherry-pick --ff cannot be used with --no-commit")); if (no_replay) - die("cherry-pick --ff cannot be used with -x"); + die(_("cherry-pick --ff cannot be used with -x")); if (edit) - die("cherry-pick --ff cannot be used with --edit"); + die(_("cherry-pick --ff cannot be used with --edit")); } - if (read_cache() < 0) - die("git %s: failed to read the index", me); + read_and_refresh_cache(me); prepare_revs(&revs); |