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-rw-r--r--builtin/pull.c74
1 files changed, 49 insertions, 25 deletions
diff --git a/builtin/pull.c b/builtin/pull.c
index 425950f469..aa56ebcdd0 100644
--- a/builtin/pull.c
+++ b/builtin/pull.c
@@ -142,7 +142,7 @@ static struct option pull_options[] = {
N_("add (at most <n>) entries from shortlog to merge commit message"),
PARSE_OPT_OPTARG),
OPT_PASSTHRU(0, "signoff", &opt_signoff, NULL,
- N_("add Signed-off-by:"),
+ N_("add a Signed-off-by trailer"),
PARSE_OPT_OPTARG),
OPT_PASSTHRU(0, "squash", &opt_squash, NULL,
N_("create a single commit instead of doing a merge"),
@@ -345,18 +345,18 @@ static enum rebase_type config_get_rebase(void)
return parse_config_rebase("pull.rebase", value, 1);
if (opt_verbosity >= 0 && !opt_ff) {
- warning(_("Pulling without specifying how to reconcile divergent branches is\n"
- "discouraged. You can squelch this message by running one of the following\n"
- "commands sometime before your next pull:\n"
- "\n"
- " git config pull.rebase false # merge (the default strategy)\n"
- " git config pull.rebase true # rebase\n"
- " git config pull.ff only # fast-forward only\n"
- "\n"
- "You can replace \"git config\" with \"git config --global\" to set a default\n"
- "preference for all repositories. You can also pass --rebase, --no-rebase,\n"
- "or --ff-only on the command line to override the configured default per\n"
- "invocation.\n"));
+ advise(_("Pulling without specifying how to reconcile divergent branches is\n"
+ "discouraged. You can squelch this message by running one of the following\n"
+ "commands sometime before your next pull:\n"
+ "\n"
+ " git config pull.rebase false # merge (the default strategy)\n"
+ " git config pull.rebase true # rebase\n"
+ " git config pull.ff only # fast-forward only\n"
+ "\n"
+ "You can replace \"git config\" with \"git config --global\" to set a default\n"
+ "preference for all repositories. You can also pass --rebase, --no-rebase,\n"
+ "or --ff-only on the command line to override the configured default per\n"
+ "invocation.\n"));
}
return REBASE_FALSE;
@@ -852,21 +852,42 @@ static int get_octopus_merge_base(struct object_id *merge_base,
/**
* 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.
+ * fork point calculated by get_rebase_fork_point(), compute the <newbase> and
+ * <upstream> arguments to use for the upcoming git-rebase invocation.
*/
-static int run_rebase(const struct object_id *curr_head,
+static int get_rebase_newbase_and_upstream(struct object_id *newbase,
+ struct object_id *upstream,
+ const struct object_id *curr_head,
const struct object_id *merge_head,
const struct object_id *fork_point)
{
- int ret;
struct object_id oct_merge_base;
- struct strvec args = STRVEC_INIT;
if (!get_octopus_merge_base(&oct_merge_base, curr_head, merge_head, fork_point))
if (!is_null_oid(fork_point) && oideq(&oct_merge_base, fork_point))
fork_point = NULL;
+ if (fork_point && !is_null_oid(fork_point))
+ oidcpy(upstream, fork_point);
+ else
+ oidcpy(upstream, merge_head);
+
+ oidcpy(newbase, merge_head);
+
+ return 0;
+}
+
+/**
+ * Given the <newbase> and <upstream> calculated by
+ * get_rebase_newbase_and_upstream(), runs git-rebase with the
+ * appropriate arguments and returns its exit status.
+ */
+static int run_rebase(const struct object_id *newbase,
+ const struct object_id *upstream)
+{
+ int ret;
+ struct strvec args = STRVEC_INIT;
+
strvec_push(&args, "rebase");
/* Shared options */
@@ -894,12 +915,9 @@ static int run_rebase(const struct object_id *curr_head,
warning(_("ignoring --verify-signatures for rebase"));
strvec_push(&args, "--onto");
- strvec_push(&args, oid_to_hex(merge_head));
+ strvec_push(&args, oid_to_hex(newbase));
- if (fork_point && !is_null_oid(fork_point))
- strvec_push(&args, oid_to_hex(fork_point));
- else
- strvec_push(&args, oid_to_hex(merge_head));
+ strvec_push(&args, oid_to_hex(upstream));
ret = run_command_v_opt(args.v, RUN_GIT_CMD);
strvec_clear(&args);
@@ -1011,9 +1029,15 @@ int cmd_pull(int argc, const char **argv, const char *prefix)
if (opt_rebase) {
int ret = 0;
int ran_ff = 0;
+
+ struct object_id newbase;
+ struct object_id upstream;
+ get_rebase_newbase_and_upstream(&newbase, &upstream, &curr_head,
+ merge_heads.oid, &rebase_fork_point);
+
if ((recurse_submodules == RECURSE_SUBMODULES_ON ||
recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND) &&
- submodule_touches_in_range(the_repository, &rebase_fork_point, &curr_head))
+ submodule_touches_in_range(the_repository, &upstream, &curr_head))
die(_("cannot rebase with locally recorded submodule modifications"));
if (!autostash) {
struct commit_list *list = NULL;
@@ -1034,7 +1058,7 @@ int cmd_pull(int argc, const char **argv, const char *prefix)
free_commit_list(list);
}
if (!ran_ff)
- ret = run_rebase(&curr_head, merge_heads.oid, &rebase_fork_point);
+ ret = run_rebase(&newbase, &upstream);
if (!ret && (recurse_submodules == RECURSE_SUBMODULES_ON ||
recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND))