diff options
| -rw-r--r-- | rebase-interactive.c | 6 | ||||
| -rw-r--r-- | sequencer.c | 96 | ||||
| -rw-r--r-- | sequencer.h | 12 | ||||
| -rw-r--r-- | t/lib-rebase.sh | 15 | ||||
| -rwxr-xr-x | t/t3404-rebase-interactive.sh | 139 |
5 files changed, 268 insertions, 0 deletions
diff --git a/rebase-interactive.c b/rebase-interactive.c index 1ff07647af..7407c59319 100644 --- a/rebase-interactive.c +++ b/rebase-interactive.c @@ -146,6 +146,12 @@ int edit_todo_list(struct repository *r, struct todo_list *todo_list, return -4; } + /* + * See if branches need to be added or removed from the update-refs + * file based on the new todo list. + */ + todo_list_filter_update_refs(r, new_todo); + return 0; } diff --git a/sequencer.c b/sequencer.c index 98111e394d..20ca7b4435 100644 --- a/sequencer.c +++ b/sequencer.c @@ -4168,6 +4168,102 @@ cleanup: return result; } +/* + * Parse the update-refs file for the current rebase, then remove the + * refs that do not appear in the todo_list (and have not had updated + * values stored) and add refs that are in the todo_list but not + * represented in the update-refs file. + * + * If there are changes to the update-refs list, then write the new state + * to disk. + */ +void todo_list_filter_update_refs(struct repository *r, + struct todo_list *todo_list) +{ + int i; + int updated = 0; + struct string_list update_refs = STRING_LIST_INIT_DUP; + + sequencer_get_update_refs_state(r->gitdir, &update_refs); + + /* + * For each item in the update_refs list, if it has no updated + * value and does not appear in the todo_list, then remove it + * from the update_refs list. + */ + for (i = 0; i < update_refs.nr; i++) { + int j; + int found = 0; + const char *ref = update_refs.items[i].string; + size_t reflen = strlen(ref); + struct update_ref_record *rec = update_refs.items[i].util; + + /* OID already stored as updated. */ + if (!is_null_oid(&rec->after)) + continue; + + for (j = 0; !found && j < todo_list->total_nr; j++) { + struct todo_item *item = &todo_list->items[j]; + const char *arg = todo_list->buf.buf + item->arg_offset; + + if (item->command != TODO_UPDATE_REF) + continue; + + if (item->arg_len != reflen || + strncmp(arg, ref, reflen)) + continue; + + found = 1; + } + + if (!found) { + free(update_refs.items[i].string); + free(update_refs.items[i].util); + + update_refs.nr--; + MOVE_ARRAY(update_refs.items + i, update_refs.items + i + 1, update_refs.nr - i); + + updated = 1; + i--; + } + } + + /* + * For each todo_item, check if its ref is in the update_refs list. + * If not, then add it as an un-updated ref. + */ + for (i = 0; i < todo_list->total_nr; i++) { + struct todo_item *item = &todo_list->items[i]; + const char *arg = todo_list->buf.buf + item->arg_offset; + int j, found = 0; + + if (item->command != TODO_UPDATE_REF) + continue; + + for (j = 0; !found && j < update_refs.nr; j++) { + const char *ref = update_refs.items[j].string; + + found = strlen(ref) == item->arg_len && + !strncmp(ref, arg, item->arg_len); + } + + if (!found) { + struct string_list_item *inserted; + struct strbuf argref = STRBUF_INIT; + + strbuf_add(&argref, arg, item->arg_len); + inserted = string_list_insert(&update_refs, argref.buf); + inserted->util = init_update_ref_record(argref.buf); + strbuf_release(&argref); + updated = 1; + } + } + + if (updated) + write_update_refs_state(&update_refs); + string_list_clear(&update_refs, 1); +} + static int do_update_ref(struct repository *r, const char *refname) { struct string_list_item *item; diff --git a/sequencer.h b/sequencer.h index 8216b62f47..563fe59933 100644 --- a/sequencer.h +++ b/sequencer.h @@ -133,6 +133,18 @@ void todo_list_release(struct todo_list *todo_list); const char *todo_item_get_arg(struct todo_list *todo_list, struct todo_item *item); +/* + * Parse the update-refs file for the current rebase, then remove the + * refs that do not appear in the todo_list (and have not had updated + * values stored) and add refs that are in the todo_list but not + * represented in the update-refs file. + * + * If there are changes to the update-refs list, then write the new state + * to disk. + */ +void todo_list_filter_update_refs(struct repository *r, + struct todo_list *todo_list); + /* Call this to setup defaults before parsing command line options */ void sequencer_init_config(struct replay_opts *opts); int sequencer_pick_revisions(struct repository *repo, diff --git a/t/lib-rebase.sh b/t/lib-rebase.sh index ec6b9b107d..b57541356b 100644 --- a/t/lib-rebase.sh +++ b/t/lib-rebase.sh @@ -207,3 +207,18 @@ check_reworded_commits () { >reword-log && test_cmp reword-expected reword-log } + +# usage: set_replace_editor <file> +# +# Replace the todo file with the exact contents of the given file. +set_replace_editor () { + cat >script <<-\EOF && + cat FILENAME >"$1" + + echo 'rebase -i script after editing:' + cat "$1" + EOF + + sed -e "s/FILENAME/$1/g" <script | write_script fake-editor.sh && + test_set_editor "$(pwd)/fake-editor.sh" +} diff --git a/t/t3404-rebase-interactive.sh b/t/t3404-rebase-interactive.sh index 2fffcf5d5f..bebf9b4def 100755 --- a/t/t3404-rebase-interactive.sh +++ b/t/t3404-rebase-interactive.sh @@ -1834,6 +1834,145 @@ test_expect_success '--update-refs updates refs correctly' ' test_cmp_rev HEAD refs/heads/no-conflict-branch ' +test_expect_success 'respect user edits to update-ref steps' ' + git checkout -B update-refs-break no-conflict-branch && + git branch -f base HEAD~4 && + git branch -f first HEAD~3 && + git branch -f second HEAD~3 && + git branch -f third HEAD~1 && + git branch -f unseen base && + + # First, we will add breaks to the expected todo file + cat >fake-todo-1 <<-EOF && + pick $(git rev-parse HEAD~3) + break + update-ref refs/heads/second + update-ref refs/heads/first + + pick $(git rev-parse HEAD~2) + pick $(git rev-parse HEAD~1) + update-ref refs/heads/third + + pick $(git rev-parse HEAD) + update-ref refs/heads/no-conflict-branch + EOF + + # Second, we will drop some update-refs commands (and move one) + cat >fake-todo-2 <<-EOF && + update-ref refs/heads/second + + pick $(git rev-parse HEAD~2) + update-ref refs/heads/third + pick $(git rev-parse HEAD~1) + break + + pick $(git rev-parse HEAD) + EOF + + # Third, we will: + # * insert a new one (new-branch), + # * re-add an old one (first), and + # * add a second instance of a previously-stored one (second) + cat >fake-todo-3 <<-EOF && + update-ref refs/heads/unseen + update-ref refs/heads/new-branch + pick $(git rev-parse HEAD) + update-ref refs/heads/first + update-ref refs/heads/second + EOF + + ( + set_replace_editor fake-todo-1 && + git rebase -i --update-refs primary && + + # These branches are currently locked. + for b in first second third no-conflict-branch + do + test_must_fail git branch -f $b base || return 1 + done && + + set_replace_editor fake-todo-2 && + git rebase --edit-todo && + + # These branches are currently locked. + for b in second third + do + test_must_fail git branch -f $b base || return 1 + done && + + # These branches are currently unlocked for checkout. + for b in first no-conflict-branch + do + git worktree add wt-$b $b && + git worktree remove wt-$b || return 1 + done && + + git rebase --continue && + + set_replace_editor fake-todo-3 && + git rebase --edit-todo && + + # These branches are currently locked. + for b in second third first unseen + do + test_must_fail git branch -f $b base || return 1 + done && + + # These branches are currently unlocked for checkout. + for b in no-conflict-branch + do + git worktree add wt-$b $b && + git worktree remove wt-$b || return 1 + done && + + git rebase --continue + ) && + + test_cmp_rev HEAD~2 refs/heads/third && + test_cmp_rev HEAD~1 refs/heads/unseen && + test_cmp_rev HEAD~1 refs/heads/new-branch && + test_cmp_rev HEAD refs/heads/first && + test_cmp_rev HEAD refs/heads/second && + test_cmp_rev HEAD refs/heads/no-conflict-branch +' + +test_expect_success '--update-refs: check failed ref update' ' + git checkout -B update-refs-error no-conflict-branch && + git branch -f base HEAD~4 && + git branch -f first HEAD~3 && + git branch -f second HEAD~2 && + git branch -f third HEAD~1 && + + cat >fake-todo <<-EOF && + pick $(git rev-parse HEAD~3) + break + update-ref refs/heads/first + + pick $(git rev-parse HEAD~2) + update-ref refs/heads/second + + pick $(git rev-parse HEAD~1) + update-ref refs/heads/third + + pick $(git rev-parse HEAD) + update-ref refs/heads/no-conflict-branch + EOF + + ( + set_replace_editor fake-todo && + git rebase -i --update-refs base + ) && + + # At this point, the values of first, second, and third are + # recorded in the update-refs file. We will force-update the + # "second" ref, but "git branch -f" will not work because of + # the lock in the update-refs file. + git rev-parse third >.git/refs/heads/second && + + git rebase --continue 2>err && + grep "update_ref failed for ref '\''refs/heads/second'\''" err +' + # This must be the last test in this file test_expect_success '$EDITOR and friends are unchanged' ' test_editor_unchanged |