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Diffstat (limited to 'builtin/pull.c')
-rw-r--r--builtin/pull.c120
1 files changed, 51 insertions, 69 deletions
diff --git a/builtin/pull.c b/builtin/pull.c
index 6214af9b10..3ecb881b0b 100644
--- a/builtin/pull.c
+++ b/builtin/pull.c
@@ -17,6 +17,7 @@
#include "revision.h"
#include "tempfile.h"
#include "lockfile.h"
+#include "wt-status.h"
enum rebase_type {
REBASE_INVALID = -1,
@@ -86,9 +87,12 @@ static char *opt_commit;
static char *opt_edit;
static char *opt_ff;
static char *opt_verify_signatures;
+static int opt_autostash = -1;
+static int config_autostash;
static struct argv_array opt_strategies = ARGV_ARRAY_INIT;
static struct argv_array opt_strategy_opts = ARGV_ARRAY_INIT;
static char *opt_gpg_sign;
+static int opt_allow_unrelated_histories;
/* Options passed to git-fetch */
static char *opt_all;
@@ -149,6 +153,8 @@ static struct option pull_options[] = {
OPT_PASSTHRU(0, "verify-signatures", &opt_verify_signatures, NULL,
N_("verify that the named commit has a valid GPG signature"),
PARSE_OPT_NOARG),
+ OPT_BOOL(0, "autostash", &opt_autostash,
+ N_("automatically stash/stash pop before and after rebase")),
OPT_PASSTHRU_ARGV('s', "strategy", &opt_strategies, N_("strategy"),
N_("merge strategy to use"),
0),
@@ -159,6 +165,9 @@ static struct option pull_options[] = {
OPT_PASSTHRU('S', "gpg-sign", &opt_gpg_sign, N_("key-id"),
N_("GPG sign commit"),
PARSE_OPT_OPTARG),
+ OPT_SET_INT(0, "allow-unrelated-histories",
+ &opt_allow_unrelated_histories,
+ N_("allow merging unrelated histories"), 1),
/* Options passed to git-fetch */
OPT_GROUP(N_("Options related to fetching")),
@@ -306,70 +315,15 @@ static enum rebase_type config_get_rebase(void)
}
/**
- * Returns 1 if there are unstaged changes, 0 otherwise.
+ * Read config variables.
*/
-static int has_unstaged_changes(const char *prefix)
+static int git_pull_config(const char *var, const char *value, void *cb)
{
- 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())
+ if (!strcmp(var, "rebase.autostash")) {
+ config_autostash = git_config_bool(var, value);
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);
+ return git_default_config(var, value, cb);
}
/**
@@ -612,6 +566,8 @@ static int run_merge(void)
argv_array_pushv(&args, opt_strategy_opts.argv);
if (opt_gpg_sign)
argv_array_push(&args, opt_gpg_sign);
+ if (opt_allow_unrelated_histories > 0)
+ argv_array_push(&args, "--allow-unrelated-histories");
argv_array_push(&args, "FETCH_HEAD");
ret = run_command_v_opt(args.argv, RUN_GIT_CMD);
@@ -789,6 +745,13 @@ static int run_rebase(const unsigned char *curr_head,
argv_array_pushv(&args, opt_strategy_opts.argv);
if (opt_gpg_sign)
argv_array_push(&args, opt_gpg_sign);
+ if (opt_autostash == 0)
+ argv_array_push(&args, "--no-autostash");
+ else if (opt_autostash == 1)
+ argv_array_push(&args, "--autostash");
+ if (opt_verify_signatures &&
+ !strcmp(opt_verify_signatures, "--verify-signatures"))
+ warning(_("ignoring --verify-signatures for rebase"));
argv_array_push(&args, "--onto");
argv_array_push(&args, sha1_to_hex(merge_head));
@@ -823,10 +786,10 @@ int cmd_pull(int argc, const char **argv, const char *prefix)
if (opt_rebase < 0)
opt_rebase = config_get_rebase();
- git_config(git_default_config, NULL);
+ git_config(git_pull_config, NULL);
if (read_cache_unmerged())
- die_resolve_conflict("Pull");
+ die_resolve_conflict("pull");
if (file_exists(git_path("MERGE_HEAD")))
die_conclude_merge();
@@ -834,15 +797,20 @@ int cmd_pull(int argc, const char **argv, const char *prefix)
if (get_sha1("HEAD", orig_head))
hashclr(orig_head);
+ if (!opt_rebase && opt_autostash != -1)
+ die(_("--[no-]autostash option is only valid with --rebase."));
+
if (opt_rebase) {
- int autostash = 0;
+ int autostash = config_autostash;
+ if (opt_autostash != -1)
+ autostash = opt_autostash;
if (is_null_sha1(orig_head) && !is_cache_unborn())
die(_("Updating an unborn branch with changes added to the index."));
- git_config_get_bool("rebase.autostash", &autostash);
if (!autostash)
- die_on_unclean_work_tree(prefix);
+ require_clean_work_tree(N_("pull with rebase"),
+ _("please commit or stash them."), 1, 0);
if (get_rebase_fork_point(rebase_fork_point, repo, *refspecs))
hashclr(rebase_fork_point);
@@ -889,10 +857,24 @@ int cmd_pull(int argc, const char **argv, const char *prefix)
if (merge_heads.nr > 1)
die(_("Cannot merge multiple branches into empty head."));
return pull_into_void(*merge_heads.sha1, curr_head);
- } else if (opt_rebase) {
- if (merge_heads.nr > 1)
- die(_("Cannot rebase onto multiple branches."));
+ }
+ if (opt_rebase && merge_heads.nr > 1)
+ die(_("Cannot rebase onto multiple branches."));
+
+ if (opt_rebase) {
+ struct commit_list *list = NULL;
+ struct commit *merge_head, *head;
+
+ head = lookup_commit_reference(orig_head);
+ commit_list_insert(head, &list);
+ merge_head = lookup_commit_reference(merge_heads.sha1[0]);
+ if (is_descendant_of(merge_head, list)) {
+ /* we can fast-forward this without invoking rebase */
+ opt_ff = "--ff-only";
+ return run_merge();
+ }
return run_rebase(curr_head, *merge_heads.sha1, rebase_fork_point);
- } else
+ } else {
return run_merge();
+ }
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-27 16:22:12 +0000