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-rw-r--r--builtin/am.c2
-rw-r--r--builtin/checkout.c3
2 files changed, 3 insertions, 2 deletions
diff --git a/builtin/am.c b/builtin/am.c
index 4b89289d1e..e39142e4d2 100644
--- a/builtin/am.c
+++ b/builtin/am.c
@@ -2148,7 +2148,7 @@ static void am_abort(struct am_state *state)
am_rerere_clear();
curr_branch = resolve_refdup("HEAD", 0, curr_head.hash, NULL);
- has_curr_head = !is_null_oid(&curr_head);
+ has_curr_head = curr_branch && !is_null_oid(&curr_head);
if (!has_curr_head)
hashcpy(curr_head.hash, EMPTY_TREE_SHA1_BIN);
diff --git a/builtin/checkout.c b/builtin/checkout.c
index e079a7dc83..b360943455 100644
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -835,7 +835,8 @@ static int switch_branches(const struct checkout_opts *opts,
int flag, writeout_error = 0;
memset(&old, 0, sizeof(old));
old.path = path_to_free = resolve_refdup("HEAD", 0, rev.hash, &flag);
- old.commit = lookup_commit_reference_gently(rev.hash, 1);
+ if (old.path)
+ old.commit = lookup_commit_reference_gently(rev.hash, 1);
if (!(flag & REF_ISSYMREF))
old.path = NULL;