#include "remote.h"
#include "dir.h"
#include "refs.h"
+#include "revision.h"
+#include "lockfile.h"
enum rebase_type {
REBASE_INVALID = -1,
static char *opt_progress;
/* Options passed to git-merge or git-rebase */
-static enum rebase_type opt_rebase;
+static enum rebase_type opt_rebase = -1;
static char *opt_diffstat;
static char *opt_log;
static char *opt_squash;
die(_("Invalid value for pull.ff: %s"), value);
}
+/**
+ * Returns the default configured value for --rebase. It first looks for the
+ * value of "branch.$curr_branch.rebase", where $curr_branch is the current
+ * branch, and if HEAD is detached or the configuration key does not exist,
+ * looks for the value of "pull.rebase". If both configuration keys do not
+ * exist, returns REBASE_FALSE.
+ */
+static enum rebase_type config_get_rebase(void)
+{
+ struct branch *curr_branch = branch_get("HEAD");
+ const char *value;
+
+ if (curr_branch) {
+ char *key = xstrfmt("branch.%s.rebase", curr_branch->name);
+
+ if (!git_config_get_value(key, &value)) {
+ enum rebase_type ret = parse_config_rebase(key, value, 1);
+ free(key);
+ return ret;
+ }
+
+ free(key);
+ }
+
+ if (!git_config_get_value("pull.rebase", &value))
+ return parse_config_rebase("pull.rebase", value, 1);
+
+ return REBASE_FALSE;
+}
+
+/**
+ * Returns 1 if there are unstaged changes, 0 otherwise.
+ */
+static int has_unstaged_changes(const char *prefix)
+{
+ struct rev_info rev_info;
+ int result;
+
+ init_revisions(&rev_info, prefix);
+ DIFF_OPT_SET(&rev_info.diffopt, IGNORE_SUBMODULES);
+ DIFF_OPT_SET(&rev_info.diffopt, QUICK);
+ diff_setup_done(&rev_info.diffopt);
+ result = run_diff_files(&rev_info, 0);
+ return diff_result_code(&rev_info.diffopt, result);
+}
+
+/**
+ * Returns 1 if there are uncommitted changes, 0 otherwise.
+ */
+static int has_uncommitted_changes(const char *prefix)
+{
+ struct rev_info rev_info;
+ int result;
+
+ if (is_cache_unborn())
+ return 0;
+
+ init_revisions(&rev_info, prefix);
+ DIFF_OPT_SET(&rev_info.diffopt, IGNORE_SUBMODULES);
+ DIFF_OPT_SET(&rev_info.diffopt, QUICK);
+ add_head_to_pending(&rev_info);
+ diff_setup_done(&rev_info.diffopt);
+ result = run_diff_index(&rev_info, 1);
+ return diff_result_code(&rev_info.diffopt, result);
+}
+
+/**
+ * If the work tree has unstaged or uncommitted changes, dies with the
+ * appropriate message.
+ */
+static void die_on_unclean_work_tree(const char *prefix)
+{
+ struct lock_file *lock_file = xcalloc(1, sizeof(*lock_file));
+ int do_die = 0;
+
+ hold_locked_index(lock_file, 0);
+ refresh_cache(REFRESH_QUIET);
+ update_index_if_able(&the_index, lock_file);
+ rollback_lock_file(lock_file);
+
+ if (has_unstaged_changes(prefix)) {
+ error(_("Cannot pull with rebase: You have unstaged changes."));
+ do_die = 1;
+ }
+
+ if (has_uncommitted_changes(prefix)) {
+ if (do_die)
+ error(_("Additionally, your index contains uncommitted changes."));
+ else
+ error(_("Cannot pull with rebase: Your index contains uncommitted changes."));
+ do_die = 1;
+ }
+
+ if (do_die)
+ exit(1);
+}
+
/**
* Appends merge candidates from FETCH_HEAD that are not marked not-for-merge
* into merge_heads.
const char *remote = curr_branch ? curr_branch->remote_name : NULL;
if (*refspecs) {
- fprintf_ln(stderr, _("There are no candidates for merging among the refs that you just fetched."));
+ if (opt_rebase)
+ fprintf_ln(stderr, _("There is no candidate for rebasing against among the refs that you just fetched."));
+ else
+ fprintf_ln(stderr, _("There are no candidates for merging among the refs that you just fetched."));
fprintf_ln(stderr, _("Generally this means that you provided a wildcard refspec which had no\n"
"matches on the remote end."));
} else if (repo && curr_branch && (!remote || strcmp(repo, remote))) {
repo);
} else if (!curr_branch) {
fprintf_ln(stderr, _("You are not currently on a branch."));
- fprintf_ln(stderr, _("Please specify which branch you want to merge with."));
+ if (opt_rebase)
+ fprintf_ln(stderr, _("Please specify which branch you want to rebase against."));
+ else
+ fprintf_ln(stderr, _("Please specify which branch you want to merge with."));
fprintf_ln(stderr, _("See git-pull(1) for details."));
fprintf(stderr, "\n");
fprintf_ln(stderr, " git pull <remote> <branch>");
remote_name = "<remote>";
fprintf_ln(stderr, _("There is no tracking information for the current branch."));
- fprintf_ln(stderr, _("Please specify which branch you want to merge with."));
+ if (opt_rebase)
+ fprintf_ln(stderr, _("Please specify which branch you want to rebase against."));
+ else
+ fprintf_ln(stderr, _("Please specify which branch you want to merge with."));
fprintf_ln(stderr, _("See git-pull(1) for details."));
fprintf(stderr, "\n");
fprintf_ln(stderr, " git pull <remote> <branch>");
unsigned char orig_head[GIT_SHA1_RAWSZ], curr_head[GIT_SHA1_RAWSZ];
unsigned char rebase_fork_point[GIT_SHA1_RAWSZ];
- if (!getenv("_GIT_USE_BUILTIN_PULL")) {
- const char *path = mkpath("%s/git-pull", git_exec_path());
-
- if (sane_execvp(path, (char **)argv) < 0)
- die_errno("could not exec %s", path);
- }
-
if (!getenv("GIT_REFLOG_ACTION"))
set_reflog_message(argc, argv);
if (!opt_ff)
opt_ff = xstrdup_or_null(config_get_ff());
+ if (opt_rebase < 0)
+ opt_rebase = config_get_rebase();
+
git_config(git_default_config, NULL);
if (read_cache_unmerged())
if (get_sha1("HEAD", orig_head))
hashclr(orig_head);
- if (opt_rebase)
+ if (opt_rebase) {
+ if (is_null_sha1(orig_head) && !is_cache_unborn())
+ die(_("Updating an unborn branch with changes added to the index."));
+
+ die_on_unclean_work_tree(prefix);
+
if (get_rebase_fork_point(rebase_fork_point, repo, *refspecs))
hashclr(rebase_fork_point);
+ }
if (run_fetch(repo, refspecs))
return 1;