diff options
Diffstat (limited to 'sequencer.c')
-rw-r--r-- | sequencer.c | 99 |
1 files changed, 66 insertions, 33 deletions
diff --git a/sequencer.c b/sequencer.c index 84bf598c3e..00cefd129e 100644 --- a/sequencer.c +++ b/sequencer.c @@ -30,6 +30,7 @@ #include "oidset.h" #include "commit-slab.h" #include "alias.h" +#include "commit-reach.h" #define GIT_REFLOG_ACTION "GIT_REFLOG_ACTION" @@ -225,13 +226,16 @@ static const char *get_todo_path(const struct replay_opts *opts) * Returns 3 when sob exists within conforming footer as last entry */ static int has_conforming_footer(struct strbuf *sb, struct strbuf *sob, - int ignore_footer) + size_t ignore_footer) { + struct process_trailer_options opts = PROCESS_TRAILER_OPTIONS_INIT; struct trailer_info info; - int i; + size_t i; int found_sob = 0, found_sob_last = 0; - trailer_info_get(&info, sb->buf); + opts.no_divider = 1; + + trailer_info_get(&info, sb->buf, &opts); if (info.trailer_start == info.trailer_end) return 0; @@ -610,7 +614,7 @@ static int is_index_unchanged(void) if (!(cache_tree_oid = get_cache_tree_oid())) return -1; - return !oidcmp(cache_tree_oid, get_commit_tree_oid(head_commit)); + return oideq(cache_tree_oid, get_commit_tree_oid(head_commit)); } static int write_author_script(const char *message) @@ -639,7 +643,7 @@ missing_author: else if (*message != '\'') strbuf_addch(&buf, *(message++)); else - strbuf_addf(&buf, "'\\\\%c'", *(message++)); + strbuf_addf(&buf, "'\\%c'", *(message++)); strbuf_addstr(&buf, "'\nGIT_AUTHOR_EMAIL='"); while (*message && *message != '\n' && *message != '\r') if (skip_prefix(message, "> ", &message)) @@ -647,19 +651,37 @@ missing_author: else if (*message != '\'') strbuf_addch(&buf, *(message++)); else - strbuf_addf(&buf, "'\\\\%c'", *(message++)); + strbuf_addf(&buf, "'\\%c'", *(message++)); strbuf_addstr(&buf, "'\nGIT_AUTHOR_DATE='@"); while (*message && *message != '\n' && *message != '\r') if (*message != '\'') strbuf_addch(&buf, *(message++)); else - strbuf_addf(&buf, "'\\\\%c'", *(message++)); + strbuf_addf(&buf, "'\\%c'", *(message++)); strbuf_addch(&buf, '\''); res = write_message(buf.buf, buf.len, rebase_path_author_script(), 1); strbuf_release(&buf); return res; } + +/* + * write_author_script() used to fail to terminate the last line with a "'" and + * also escaped "'" incorrectly as "'\\\\''" rather than "'\\''". We check for + * the terminating "'" on the last line to see how "'" has been escaped in case + * git was upgraded while rebase was stopped. + */ +static int quoting_is_broken(const char *s, size_t n) +{ + /* Skip any empty lines in case the file was hand edited */ + while (n > 0 && s[--n] == '\n') + ; /* empty */ + if (n > 0 && s[n] != '\'') + return 1; + + return 0; +} + /* * Read a list of environment variable assignments (such as the author-script * file) into an environment block. Returns -1 on error, 0 otherwise. @@ -667,14 +689,18 @@ missing_author: static int read_env_script(struct argv_array *env) { struct strbuf script = STRBUF_INIT; - int i, count = 0; - char *p, *p2; + int i, count = 0, sq_bug; + const char *p2; + char *p; if (strbuf_read_file(&script, rebase_path_author_script(), 256) <= 0) return -1; - + /* write_author_script() used to quote incorrectly */ + sq_bug = quoting_is_broken(script.buf, script.len); for (p = script.buf; *p; p++) - if (skip_prefix(p, "'\\\\''", (const char **)&p2)) + if (sq_bug && skip_prefix(p, "'\\\\''", &p2)) + strbuf_splice(&script, p - script.buf, p2 - p, "'", 1); + else if (skip_prefix(p, "'\\''", &p2)) strbuf_splice(&script, p - script.buf, p2 - p, "'", 1); else if (*p == '\'') strbuf_splice(&script, p-- - script.buf, 1, "", 0); @@ -798,11 +824,18 @@ static int run_git_commit(const char *defmsg, struct replay_opts *opts, if ((flags & CREATE_ROOT_COMMIT) && !(flags & AMEND_MSG)) { struct strbuf msg = STRBUF_INIT, script = STRBUF_INIT; - const char *author = is_rebase_i(opts) ? - read_author_ident(&script) : NULL; + const char *author = NULL; struct object_id root_commit, *cache_tree_oid; int res = 0; + if (is_rebase_i(opts)) { + author = read_author_ident(&script); + if (!author) { + strbuf_release(&script); + return -1; + } + } + if (!defmsg) BUG("root commit without message"); @@ -1188,7 +1221,7 @@ static int parse_head(struct commit **head) current_head = lookup_commit_reference(the_repository, &oid); if (!current_head) return error(_("could not parse HEAD")); - if (oidcmp(&oid, ¤t_head->object.oid)) { + if (!oideq(&oid, ¤t_head->object.oid)) { warning(_("HEAD %s is not a commit!"), oid_to_hex(&oid)); } @@ -1258,9 +1291,9 @@ static int try_to_commit(struct strbuf *msg, const char *author, goto out; } - if (!(flags & ALLOW_EMPTY) && !oidcmp(current_head ? - get_commit_tree_oid(current_head) : - the_hash_algo->empty_tree, &tree)) { + if (!(flags & ALLOW_EMPTY) && oideq(current_head ? + get_commit_tree_oid(current_head) : + the_hash_algo->empty_tree, &tree)) { res = 1; /* run 'git commit' to display error message */ goto out; } @@ -1365,7 +1398,7 @@ static int is_original_commit_empty(struct commit *commit) ptree_oid = the_hash_algo->empty_tree; /* commit is root */ } - return !oidcmp(ptree_oid, get_commit_tree_oid(commit)); + return oideq(ptree_oid, get_commit_tree_oid(commit)); } /* @@ -1645,7 +1678,7 @@ static int do_pick_commit(enum todo_command command, struct commit *commit, unborn = get_oid("HEAD", &head); /* Do we want to generate a root commit? */ if (is_pick_or_similar(command) && opts->have_squash_onto && - !oidcmp(&head, &opts->squash_onto)) { + oideq(&head, &opts->squash_onto)) { if (is_fixup(command)) return error(_("cannot fixup root commit")); flags |= CREATE_ROOT_COMMIT; @@ -1688,7 +1721,7 @@ static int do_pick_commit(enum todo_command command, struct commit *commit, oid_to_hex(&commit->object.oid)); if (opts->allow_ff && !is_fixup(command) && - ((parent && !oidcmp(&parent->object.oid, &head)) || + ((parent && oideq(&parent->object.oid, &head)) || (!parent && unborn))) { if (is_rebase_i(opts)) write_author_script(msg.message); @@ -2393,7 +2426,7 @@ static int rollback_is_safe(void) if (get_oid("HEAD", &actual_head)) oidclr(&actual_head); - return !oidcmp(&actual_head, &expected_head); + return oideq(&actual_head, &expected_head); } static int reset_for_rollback(const struct object_id *oid) @@ -2954,7 +2987,7 @@ static int do_merge(struct commit *commit, const char *arg, int arg_len, } if (opts->have_squash_onto && - !oidcmp(&head_commit->object.oid, &opts->squash_onto)) { + oideq(&head_commit->object.oid, &opts->squash_onto)) { /* * When the user tells us to "merge" something into a * "[new root]", let's simply fast-forward to the merge head. @@ -3023,8 +3056,8 @@ static int do_merge(struct commit *commit, const char *arg, int arg_len, * commit, we cannot fast-forward. */ can_fast_forward = opts->allow_ff && commit && commit->parents && - !oidcmp(&commit->parents->item->object.oid, - &head_commit->object.oid); + oideq(&commit->parents->item->object.oid, + &head_commit->object.oid); /* * If any merge head is different from the original one, we cannot @@ -3034,7 +3067,7 @@ static int do_merge(struct commit *commit, const char *arg, int arg_len, struct commit_list *p = commit->parents->next; for (j = to_merge; j && p; j = j->next, p = p->next) - if (oidcmp(&j->item->object.oid, + if (!oideq(&j->item->object.oid, &p->item->object.oid)) { can_fast_forward = 0; break; @@ -3102,8 +3135,8 @@ static int do_merge(struct commit *commit, const char *arg, int arg_len, write_message("no-ff", 5, git_path_merge_mode(the_repository), 0); bases = get_merge_bases(head_commit, merge_commit); - if (bases && !oidcmp(&merge_commit->object.oid, - &bases->item->object.oid)) { + if (bases && oideq(&merge_commit->object.oid, + &bases->item->object.oid)) { ret = 0; /* skip merging an ancestor of HEAD */ goto leave_merge; @@ -3349,9 +3382,9 @@ static int pick_commits(struct todo_list *todo_list, struct replay_opts *opts) */ if (item->command == TODO_REWORD && !get_oid("HEAD", &oid) && - (!oidcmp(&item->commit->object.oid, &oid) || + (oideq(&item->commit->object.oid, &oid) || (opts->have_squash_onto && - !oidcmp(&opts->squash_onto, &oid)))) + oideq(&opts->squash_onto, &oid)))) to_amend = 1; return res | error_with_patch(item->commit, @@ -3566,7 +3599,7 @@ static int commit_staged_changes(struct replay_opts *opts, if (get_oid_hex(rev.buf, &to_amend)) return error(_("invalid contents: '%s'"), rebase_path_amend()); - if (!is_clean && oidcmp(&head, &to_amend)) + if (!is_clean && !oideq(&head, &to_amend)) return error(_("\nYou have uncommitted changes in your " "working tree. Please, commit them\n" "first and then run 'git rebase " @@ -3578,7 +3611,7 @@ static int commit_staged_changes(struct replay_opts *opts, * the commit message and if there was a squash, let the user * edit it. */ - if (is_clean && !oidcmp(&head, &to_amend) && + if (is_clean && oideq(&head, &to_amend) && opts->current_fixup_count > 0 && file_exists(rebase_path_stopped_sha())) { const char *p = opts->current_fixups.buf; @@ -3799,7 +3832,7 @@ int sequencer_pick_revisions(struct replay_opts *opts) return res; } -void append_signoff(struct strbuf *msgbuf, int ignore_footer, unsigned flag) +void append_signoff(struct strbuf *msgbuf, size_t ignore_footer, unsigned flag) { unsigned no_dup_sob = flag & APPEND_SIGNOFF_DEDUP; struct strbuf sob = STRBUF_INIT; @@ -4545,7 +4578,7 @@ int skip_unnecessary_picks(void) if (item->commit->parents->next) break; /* merge commit */ parent_oid = &item->commit->parents->item->object.oid; - if (hashcmp(parent_oid->hash, oid->hash)) + if (!oideq(parent_oid, oid)) break; oid = &item->commit->object.oid; } |