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-rwxr-xr-xt/t4004-diff-rename-symlink.sh71
1 files changed, 71 insertions, 0 deletions
diff --git a/t/t4004-diff-rename-symlink.sh b/t/t4004-diff-rename-symlink.sh
new file mode 100755
index 0000000..1d70d4d
--- /dev/null
+++ b/t/t4004-diff-rename-symlink.sh
@@ -0,0 +1,71 @@
+#!/bin/sh
+#
+# Copyright (c) 2005 Junio C Hamano
+#
+
+test_description='More rename detection tests.
+
+The rename detection logic should be able to detect pure rename or
+copy of symbolic links, but should not produce rename/copy followed
+by an edit for them.
+'
+
+TEST_PASSES_SANITIZE_LEAK=true
+. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-diff.sh
+
+test_expect_success SYMLINKS 'prepare reference tree' '
+ echo xyzzy | tr -d '\\\\'012 >yomin &&
+ ln -s xyzzy frotz &&
+ git update-index --add frotz yomin &&
+ tree=$(git write-tree) &&
+ echo $tree
+'
+
+test_expect_success SYMLINKS 'prepare work tree' '
+ mv frotz rezrov &&
+ rm -f yomin &&
+ ln -s xyzzy nitfol &&
+ ln -s xzzzy bozbar &&
+ git update-index --add --remove frotz rezrov nitfol bozbar yomin
+'
+
+# tree has frotz pointing at xyzzy, and yomin that contains xyzzy to
+# confuse things. work tree has rezrov (xyzzy) nitfol (xyzzy) and
+# bozbar (xzzzy).
+# rezrov and nitfol are rename/copy of frotz and bozbar should be
+# a new creation.
+
+test_expect_success SYMLINKS 'setup diff output' '
+ GIT_DIFF_OPTS=--unified=0 git diff-index -C -p $tree >current &&
+ cat >expected <<\EOF
+diff --git a/bozbar b/bozbar
+new file mode 120000
+--- /dev/null
++++ b/bozbar
+@@ -0,0 +1 @@
++xzzzy
+\ No newline at end of file
+diff --git a/frotz b/nitfol
+similarity index 100%
+copy from frotz
+copy to nitfol
+diff --git a/frotz b/rezrov
+similarity index 100%
+rename from frotz
+rename to rezrov
+diff --git a/yomin b/yomin
+deleted file mode 100644
+--- a/yomin
++++ /dev/null
+@@ -1 +0,0 @@
+-xyzzy
+\ No newline at end of file
+EOF
+'
+
+test_expect_success SYMLINKS 'validate diff output' '
+ compare_diff_patch current expected
+'
+
+test_done