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-rw-r--r--builtin/pull.c114
1 files changed, 81 insertions, 33 deletions
diff --git a/builtin/pull.c b/builtin/pull.c
index 511dbbe0f6..9dd32a115b 100644
--- a/builtin/pull.c
+++ b/builtin/pull.c
@@ -5,36 +5,42 @@
*
* Fetch one or more remote refs and merge it/them into the current HEAD.
*/
+#define USE_THE_INDEX_COMPATIBILITY_MACROS
#include "cache.h"
#include "config.h"
#include "builtin.h"
#include "parse-options.h"
-#include "exec_cmd.h"
+#include "exec-cmd.h"
#include "run-command.h"
#include "sha1-array.h"
#include "remote.h"
#include "dir.h"
#include "refs.h"
+#include "refspec.h"
#include "revision.h"
#include "submodule.h"
#include "submodule-config.h"
#include "tempfile.h"
#include "lockfile.h"
#include "wt-status.h"
+#include "commit-reach.h"
+#include "sequencer.h"
enum rebase_type {
REBASE_INVALID = -1,
REBASE_FALSE = 0,
REBASE_TRUE,
REBASE_PRESERVE,
+ REBASE_MERGES,
REBASE_INTERACTIVE
};
/**
* Parses the value of --rebase. If value is a false value, returns
* REBASE_FALSE. If value is a true value, returns REBASE_TRUE. If value is
- * "preserve", returns REBASE_PRESERVE. If value is a invalid value, dies with
- * a fatal error if fatal is true, otherwise returns REBASE_INVALID.
+ * "merges", returns REBASE_MERGES. If value is "preserve", returns
+ * REBASE_PRESERVE. If value is a invalid value, dies with a fatal error if
+ * fatal is true, otherwise returns REBASE_INVALID.
*/
static enum rebase_type parse_config_rebase(const char *key, const char *value,
int fatal)
@@ -45,10 +51,16 @@ static enum rebase_type parse_config_rebase(const char *key, const char *value,
return REBASE_FALSE;
else if (v > 0)
return REBASE_TRUE;
- else if (!strcmp(value, "preserve"))
+ else if (!strcmp(value, "preserve") || !strcmp(value, "p"))
return REBASE_PRESERVE;
- else if (!strcmp(value, "interactive"))
+ else if (!strcmp(value, "merges") || !strcmp(value, "m"))
+ return REBASE_MERGES;
+ else if (!strcmp(value, "interactive") || !strcmp(value, "i"))
return REBASE_INTERACTIVE;
+ /*
+ * Please update _git_config() in git-completion.bash when you
+ * add new rebase modes.
+ */
if (fatal)
die(_("Invalid value for %s: %s"), key, value);
@@ -90,6 +102,7 @@ static char *opt_signoff;
static char *opt_squash;
static char *opt_commit;
static char *opt_edit;
+static char *cleanup_arg;
static char *opt_ff;
static char *opt_verify_signatures;
static int opt_autostash = -1;
@@ -130,7 +143,7 @@ static struct option pull_options[] = {
/* Options passed to git-merge or git-rebase */
OPT_GROUP(N_("Options related to merging")),
{ OPTION_CALLBACK, 'r', "rebase", &opt_rebase,
- "false|true|preserve|interactive",
+ "(false|true|merges|preserve|interactive)",
N_("incorporate changes by rebasing rather than merging"),
PARSE_OPT_OPTARG, parse_opt_rebase },
OPT_PASSTHRU('n', NULL, &opt_diffstat, NULL,
@@ -157,6 +170,7 @@ static struct option pull_options[] = {
OPT_PASSTHRU(0, "edit", &opt_edit, NULL,
N_("edit message before committing"),
PARSE_OPT_NOARG),
+ OPT_CLEANUP(&cleanup_arg),
OPT_PASSTHRU(0, "ff", &opt_ff, NULL,
N_("allow fast-forward"),
PARSE_OPT_NOARG),
@@ -193,7 +207,7 @@ static struct option pull_options[] = {
OPT_PASSTHRU(0, "upload-pack", &opt_upload_pack, N_("path"),
N_("path to upload pack on remote end"),
0),
- OPT__FORCE(&opt_force, N_("force overwrite of local branch")),
+ OPT__FORCE(&opt_force, N_("force overwrite of local branch"), 0),
OPT_PASSTHRU('t', "tags", &opt_tags, NULL,
N_("fetch all tags and associated objects"),
PARSE_OPT_NOARG),
@@ -351,16 +365,17 @@ static int git_pull_config(const char *var, const char *value, void *cb)
*/
static void get_merge_heads(struct oid_array *merge_heads)
{
- const char *filename = git_path_fetch_head();
+ const char *filename = git_path_fetch_head(the_repository);
FILE *fp;
struct strbuf sb = STRBUF_INIT;
struct object_id oid;
fp = xfopen(filename, "r");
while (strbuf_getline_lf(&sb, fp) != EOF) {
- if (get_oid_hex(sb.buf, &oid))
- continue; /* invalid line: does not start with SHA1 */
- if (starts_with(sb.buf + GIT_SHA1_HEXSZ, "\tnot-for-merge\t"))
+ const char *p;
+ if (parse_oid_hex(sb.buf, &oid, &p))
+ continue; /* invalid line: does not start with object ID */
+ if (starts_with(p, "\tnot-for-merge\t"))
continue; /* ref is not-for-merge */
oid_array_append(merge_heads, &oid);
}
@@ -539,7 +554,7 @@ static int run_fetch(const char *repo, const char **refspecs)
argv_array_push(&args, repo);
argv_array_pushv(&args, refspecs);
} else if (*refspecs)
- die("BUG: refspecs without repo?");
+ BUG("refspecs without repo?");
ret = run_command_v_opt(args.argv, RUN_GIT_CMD);
argv_array_clear(&args);
return ret;
@@ -551,13 +566,26 @@ static int run_fetch(const char *repo, const char **refspecs)
static int pull_into_void(const struct object_id *merge_head,
const struct object_id *curr_head)
{
+ if (opt_verify_signatures) {
+ struct commit *commit;
+
+ commit = lookup_commit(the_repository, merge_head);
+ if (!commit)
+ die(_("unable to access commit %s"),
+ oid_to_hex(merge_head));
+
+ verify_merge_signature(commit, opt_verbosity);
+ }
+
/*
* Two-way merge: we treat the index as based on an empty tree,
* and try to fast-forward to HEAD. This ensures we will not lose
* index/worktree changes that the user already made on the unborn
* branch.
*/
- if (checkout_fast_forward(the_hash_algo->empty_tree, merge_head, 0))
+ if (checkout_fast_forward(the_repository,
+ the_hash_algo->empty_tree,
+ merge_head, 0))
return 1;
if (update_ref("initial pull", "HEAD", merge_head, curr_head, 0, UPDATE_REFS_DIE_ON_ERR))
@@ -574,6 +602,7 @@ static int rebase_submodules(void)
cp.no_stdin = 1;
argv_array_pushl(&cp.args, "submodule", "update",
"--recursive", "--rebase", NULL);
+ argv_push_verbosity(&cp.args);
return run_command(&cp);
}
@@ -586,6 +615,7 @@ static int update_submodules(void)
cp.no_stdin = 1;
argv_array_pushl(&cp.args, "submodule", "update",
"--recursive", "--checkout", NULL);
+ argv_push_verbosity(&cp.args);
return run_command(&cp);
}
@@ -618,6 +648,8 @@ static int run_merge(void)
argv_array_push(&args, opt_commit);
if (opt_edit)
argv_array_push(&args, opt_edit);
+ if (cleanup_arg)
+ argv_array_pushf(&args, "--cleanup=%s", cleanup_arg);
if (opt_ff)
argv_array_push(&args, opt_ff);
if (opt_verify_signatures)
@@ -666,19 +698,19 @@ static const char *get_upstream_branch(const char *remote)
}
/**
- * Derives the remote tracking branch from the remote and refspec.
+ * Derives the remote-tracking branch from the remote and refspec.
*
* FIXME: The current implementation assumes the default mapping of
* refs/heads/<branch_name> to refs/remotes/<remote_name>/<branch_name>.
*/
static const char *get_tracking_branch(const char *remote, const char *refspec)
{
- struct refspec *spec;
+ struct refspec_item spec;
const char *spec_src;
const char *merge_branch;
- spec = parse_fetch_refspec(1, &refspec);
- spec_src = spec->src;
+ refspec_item_init_or_die(&spec, refspec, REFSPEC_FETCH);
+ spec_src = spec.src;
if (!*spec_src || !strcmp(spec_src, "HEAD"))
spec_src = "HEAD";
else if (skip_prefix(spec_src, "heads/", &spec_src))
@@ -698,13 +730,13 @@ static const char *get_tracking_branch(const char *remote, const char *refspec)
} else
merge_branch = NULL;
- free_refspec(1, spec);
+ refspec_item_clear(&spec);
return merge_branch;
}
/**
* Given the repo and refspecs, sets fork_point to the point at which the
- * current branch forked from its remote tracking branch. Returns 0 on success,
+ * current branch forked from its remote-tracking branch. Returns 0 on success,
* -1 on failure.
*/
static int get_rebase_fork_point(struct object_id *fork_point, const char *repo,
@@ -734,7 +766,7 @@ static int get_rebase_fork_point(struct object_id *fork_point, const char *repo,
cp.no_stderr = 1;
cp.git_cmd = 1;
- ret = capture_command(&cp, &sb, GIT_SHA1_HEXSZ);
+ ret = capture_command(&cp, &sb, GIT_MAX_HEXSZ);
if (ret)
goto cleanup;
@@ -758,10 +790,13 @@ static int get_octopus_merge_base(struct object_id *merge_base,
{
struct commit_list *revs = NULL, *result;
- commit_list_insert(lookup_commit_reference(curr_head), &revs);
- commit_list_insert(lookup_commit_reference(merge_head), &revs);
+ commit_list_insert(lookup_commit_reference(the_repository, curr_head),
+ &revs);
+ commit_list_insert(lookup_commit_reference(the_repository, merge_head),
+ &revs);
if (!is_null_oid(fork_point))
- commit_list_insert(lookup_commit_reference(fork_point), &revs);
+ commit_list_insert(lookup_commit_reference(the_repository, fork_point),
+ &revs);
result = get_octopus_merge_bases(revs);
free_commit_list(revs);
@@ -776,7 +811,7 @@ static int get_octopus_merge_base(struct object_id *merge_base,
}
/**
- * Given the current HEAD SHA1, the merge head returned from git-fetch and the
+ * Given the current HEAD oid, the merge head returned from git-fetch and the
* fork point calculated by get_rebase_fork_point(), runs git-rebase with the
* appropriate arguments and returns its exit status.
*/
@@ -789,7 +824,7 @@ static int run_rebase(const struct object_id *curr_head,
struct argv_array args = ARGV_ARRAY_INIT;
if (!get_octopus_merge_base(&oct_merge_base, curr_head, merge_head, fork_point))
- if (!is_null_oid(fork_point) && !oidcmp(&oct_merge_base, fork_point))
+ if (!is_null_oid(fork_point) && oideq(&oct_merge_base, fork_point))
fork_point = NULL;
argv_array_push(&args, "rebase");
@@ -798,7 +833,9 @@ static int run_rebase(const struct object_id *curr_head,
argv_push_verbosity(&args);
/* Options passed to git-rebase */
- if (opt_rebase == REBASE_PRESERVE)
+ if (opt_rebase == REBASE_MERGES)
+ argv_array_push(&args, "--rebase-merges");
+ else if (opt_rebase == REBASE_PRESERVE)
argv_array_push(&args, "--preserve-merges");
else if (opt_rebase == REBASE_INTERACTIVE)
argv_array_push(&args, "--interactive");
@@ -844,6 +881,13 @@ int cmd_pull(int argc, const char **argv, const char *prefix)
argc = parse_options(argc, argv, prefix, pull_options, pull_usage, 0);
+ if (cleanup_arg)
+ /*
+ * this only checks the validity of cleanup_arg; we don't need
+ * a valid value for use_editor
+ */
+ get_cleanup_mode(cleanup_arg, 0);
+
parse_repo_refspecs(argc, argv, &repo, &refspecs);
if (!opt_ff)
@@ -855,7 +899,7 @@ int cmd_pull(int argc, const char **argv, const char *prefix)
if (read_cache_unmerged())
die_resolve_conflict("pull");
- if (file_exists(git_path_merge_head()))
+ if (file_exists(git_path_merge_head(the_repository)))
die_conclude_merge();
if (get_oid("HEAD", &orig_head))
@@ -873,7 +917,8 @@ int cmd_pull(int argc, const char **argv, const char *prefix)
die(_("Updating an unborn branch with changes added to the index."));
if (!autostash)
- require_clean_work_tree(N_("pull with rebase"),
+ require_clean_work_tree(the_repository,
+ N_("pull with rebase"),
_("please commit or stash them."), 1, 0);
if (get_rebase_fork_point(&rebase_fork_point, repo, *refspecs))
@@ -890,7 +935,7 @@ int cmd_pull(int argc, const char **argv, const char *prefix)
oidclr(&curr_head);
if (!is_null_oid(&orig_head) && !is_null_oid(&curr_head) &&
- oidcmp(&orig_head, &curr_head)) {
+ !oideq(&orig_head, &curr_head)) {
/*
* The fetch involved updating the current branch.
*
@@ -903,7 +948,8 @@ int cmd_pull(int argc, const char **argv, const char *prefix)
"fast-forwarding your working tree from\n"
"commit %s."), oid_to_hex(&orig_head));
- if (checkout_fast_forward(&orig_head, &curr_head, 0))
+ if (checkout_fast_forward(the_repository, &orig_head,
+ &curr_head, 0))
die(_("Cannot fast-forward your working tree.\n"
"After making sure that you saved anything precious from\n"
"$ git diff %s\n"
@@ -929,15 +975,17 @@ int cmd_pull(int argc, const char **argv, const char *prefix)
int ret = 0;
if ((recurse_submodules == RECURSE_SUBMODULES_ON ||
recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND) &&
- submodule_touches_in_range(&rebase_fork_point, &curr_head))
+ submodule_touches_in_range(the_repository, &rebase_fork_point, &curr_head))
die(_("cannot rebase with locally recorded submodule modifications"));
if (!autostash) {
struct commit_list *list = NULL;
struct commit *merge_head, *head;
- head = lookup_commit_reference(&orig_head);
+ head = lookup_commit_reference(the_repository,
+ &orig_head);
commit_list_insert(head, &list);
- merge_head = lookup_commit_reference(&merge_heads.oid[0]);
+ merge_head = lookup_commit_reference(the_repository,
+ &merge_heads.oid[0]);
if (is_descendant_of(merge_head, list)) {
/* we can fast-forward this without invoking rebase */
opt_ff = "--ff-only";
generated by cgit v1.2.3 (git 2.46.0) at 2025-08-25 10:10:30 +0000