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-rw-r--r--builtin/rebase.c18
-rwxr-xr-xt/t3432-rebase-fast-forward.sh2
2 files changed, 16 insertions, 4 deletions
diff --git a/builtin/rebase.c b/builtin/rebase.c
index 8264a9243f..6e9a2fedc7 100644
--- a/builtin/rebase.c
+++ b/builtin/rebase.c
@@ -1467,6 +1467,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
struct object_id squash_onto;
char *squash_onto_name = NULL;
int reschedule_failed_exec = -1;
+ int allow_preemptive_ff = 1;
struct option builtin_rebase_options[] = {
OPT_STRING(0, "onto", &options.onto_name,
N_("revision"),
@@ -1774,13 +1775,20 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
state_dir_base, cmd_live_rebase, buf.buf);
}
+ if ((options.flags & REBASE_INTERACTIVE_EXPLICIT) ||
+ (action != ACTION_NONE) ||
+ (exec.nr > 0) ||
+ options.autosquash) {
+ allow_preemptive_ff = 0;
+ }
+
for (i = 0; i < options.git_am_opts.argc; i++) {
const char *option = options.git_am_opts.argv[i], *p;
if (!strcmp(option, "--committer-date-is-author-date") ||
!strcmp(option, "--ignore-date") ||
!strcmp(option, "--whitespace=fix") ||
!strcmp(option, "--whitespace=strip"))
- options.flags |= REBASE_FORCE;
+ allow_preemptive_ff = 0;
else if (skip_prefix(option, "-C", &p)) {
while (*p)
if (!isdigit(*(p++)))
@@ -2116,12 +2124,14 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
/*
* Check if we are already based on onto with linear history,
* in which case we could fast-forward without replacing the commits
- * with new commits recreated by replaying their changes. This
- * optimization must not be done if this is an interactive rebase.
+ * with new commits recreated by replaying their changes.
+ *
+ * Note that can_fast_forward() initializes merge_base, so we have to
+ * call it before checking allow_preemptive_ff.
*/
if (can_fast_forward(options.onto, options.upstream, options.restrict_revision,
&options.orig_head, &merge_base) &&
- !is_interactive(&options)) {
+ allow_preemptive_ff) {
int flag;
if (!(options.flags & REBASE_FORCE)) {
diff --git a/t/t3432-rebase-fast-forward.sh b/t/t3432-rebase-fast-forward.sh
index 7432c0e241..40388ccf9f 100755
--- a/t/t3432-rebase-fast-forward.sh
+++ b/t/t3432-rebase-fast-forward.sh
@@ -30,6 +30,8 @@ test_rebase_same_head () {
shift &&
test_rebase_same_head_ $status_n $what_n $cmp_n "" "$*" &&
test_rebase_same_head_ $status_f $what_f $cmp_f " --no-ff" "$*"
+ test_rebase_same_head_ $status_n $what_n $cmp_n " --merge" "$*" &&
+ test_rebase_same_head_ $status_f $what_f $cmp_f " --merge --no-ff" "$*"
}
test_rebase_same_head_ () {