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-rwxr-xr-xt/t2106-update-index-assume-unchanged.sh24
-rw-r--r--unpack-trees.c2
2 files changed, 25 insertions, 1 deletions
diff --git a/t/t2106-update-index-assume-unchanged.sh b/t/t2106-update-index-assume-unchanged.sh
new file mode 100755
index 000000000..99d858c6b
--- /dev/null
+++ b/t/t2106-update-index-assume-unchanged.sh
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+test_description='git update-index --assume-unchanged test.
+'
+
+. ./test-lib.sh
+
+test_expect_success 'setup' \
+ ': >file &&
+ git add file &&
+ git commit -m initial &&
+ git branch other &&
+ echo upstream >file &&
+ git add file &&
+ git commit -m upstream'
+
+test_expect_success 'do not switch branches with dirty file' \
+ 'git reset --hard &&
+ git checkout other &&
+ echo dirt >file &&
+ git update-index --assume-unchanged file &&
+ test_must_fail git checkout master'
+
+test_done
diff --git a/unpack-trees.c b/unpack-trees.c
index 75f54cac9..1a8030ced 100644
--- a/unpack-trees.c
+++ b/unpack-trees.c
@@ -862,7 +862,7 @@ static int verify_uptodate_1(struct cache_entry *ce,
{
struct stat st;
- if (o->index_only || (!ce_skip_worktree(ce) && (o->reset || ce_uptodate(ce))))
+ if (o->index_only || (!((ce->ce_flags & CE_VALID) || ce_skip_worktree(ce)) && (o->reset || ce_uptodate(ce))))
return 0;
if (!lstat(ce->name, &st)) {