#include "cache.h"
#include "commit.h"
-#include "rebase-interactive.h"
#include "sequencer.h"
+#include "rebase-interactive.h"
#include "strbuf.h"
+#include "commit-slab.h"
+#include "config.h"
+
+enum missing_commit_check_level {
+ MISSING_COMMIT_CHECK_IGNORE = 0,
+ MISSING_COMMIT_CHECK_WARN,
+ MISSING_COMMIT_CHECK_ERROR
+};
+
+static enum missing_commit_check_level get_missing_commit_check_level(void)
+{
+ const char *value;
+
+ if (git_config_get_value("rebase.missingcommitscheck", &value) ||
+ !strcasecmp("ignore", value))
+ return MISSING_COMMIT_CHECK_IGNORE;
+ if (!strcasecmp("warn", value))
+ return MISSING_COMMIT_CHECK_WARN;
+ if (!strcasecmp("error", value))
+ return MISSING_COMMIT_CHECK_ERROR;
+ warning(_("unrecognized setting %s for option "
+ "rebase.missingCommitsCheck. Ignoring."), value);
+ return MISSING_COMMIT_CHECK_IGNORE;
+}
void append_todo_help(unsigned edit_todo, unsigned keep_empty,
struct strbuf *buf)
"s, squash <commit> = use commit, but meld into previous commit\n"
"f, fixup <commit> = like \"squash\", but discard this commit's log message\n"
"x, exec <command> = run command (the rest of the line) using shell\n"
+"b, break = stop here (continue rebase later with 'git rebase --continue')\n"
"d, drop <commit> = remove commit\n"
"l, label <label> = label current HEAD with a name\n"
"t, reset <label> = reset HEAD to a label\n"
}
}
-int append_todo_help_to_file(unsigned edit_todo, unsigned keep_empty)
-{
- struct strbuf buf = STRBUF_INIT;
- FILE *todo;
- int ret;
-
- todo = fopen_or_warn(rebase_path_todo(), "a");
- if (!todo)
- return -1;
-
- append_todo_help(edit_todo, keep_empty, &buf);
-
- ret = fputs(buf.buf, todo);
- if (ret < 0)
- error_errno(_("could not append help text to '%s'"), rebase_path_todo());
-
- fclose(todo);
- strbuf_release(&buf);
-
- return ret;
-}
-
-int edit_todo_list(unsigned flags)
+int edit_todo_list(struct repository *r, unsigned flags)
{
struct strbuf buf = STRBUF_INIT;
const char *todo_file = rebase_path_todo();
strbuf_release(&buf);
- transform_todos(flags | TODO_LIST_SHORTEN_IDS);
+ transform_todo_file(r, flags | TODO_LIST_SHORTEN_IDS);
if (strbuf_read_file(&buf, todo_file, 0) < 0)
return error_errno(_("could not read '%s'."), todo_file);
if (launch_sequence_editor(todo_file, NULL, NULL))
return -1;
- transform_todos(flags & ~(TODO_LIST_SHORTEN_IDS));
+ transform_todo_file(r, flags & ~(TODO_LIST_SHORTEN_IDS));
return 0;
}
+
+define_commit_slab(commit_seen, unsigned char);
+/*
+ * Check if the user dropped some commits by mistake
+ * Behaviour determined by rebase.missingCommitsCheck.
+ * Check if there is an unrecognized command or a
+ * bad SHA-1 in a command.
+ */
+int todo_list_check(struct todo_list *old_todo, struct todo_list *new_todo)
+{
+ enum missing_commit_check_level check_level = get_missing_commit_check_level();
+ struct strbuf missing = STRBUF_INIT;
+ int res = 0, i;
+ struct commit_seen commit_seen;
+
+ init_commit_seen(&commit_seen);
+
+ if (check_level == MISSING_COMMIT_CHECK_IGNORE)
+ goto leave_check;
+
+ /* Mark the commits in git-rebase-todo as seen */
+ for (i = 0; i < new_todo->nr; i++) {
+ struct commit *commit = new_todo->items[i].commit;
+ if (commit)
+ *commit_seen_at(&commit_seen, commit) = 1;
+ }
+
+ /* Find commits in git-rebase-todo.backup yet unseen */
+ for (i = old_todo->nr - 1; i >= 0; i--) {
+ struct todo_item *item = old_todo->items + i;
+ struct commit *commit = item->commit;
+ if (commit && !*commit_seen_at(&commit_seen, commit)) {
+ strbuf_addf(&missing, " - %s %.*s\n",
+ find_unique_abbrev(&commit->object.oid, DEFAULT_ABBREV),
+ item->arg_len,
+ todo_item_get_arg(old_todo, item));
+ *commit_seen_at(&commit_seen, commit) = 1;
+ }
+ }
+
+ /* Warn about missing commits */
+ if (!missing.len)
+ goto leave_check;
+
+ if (check_level == MISSING_COMMIT_CHECK_ERROR)
+ res = 1;
+
+ fprintf(stderr,
+ _("Warning: some commits may have been dropped accidentally.\n"
+ "Dropped commits (newer to older):\n"));
+
+ /* Make the list user-friendly and display */
+ fputs(missing.buf, stderr);
+ strbuf_release(&missing);
+
+ fprintf(stderr, _("To avoid this message, use \"drop\" to "
+ "explicitly remove a commit.\n\n"
+ "Use 'git config rebase.missingCommitsCheck' to change "
+ "the level of warnings.\n"
+ "The possible behaviours are: ignore, warn, error.\n\n"));
+
+leave_check:
+ clear_commit_seen(&commit_seen);
+ return res;
+}