Test refresh behavior on hard-linked patches

If a patch file has hard links, refreshing it should break the links
so that the other copies are left unmodified. Test this behavior to
avoid breaking it accidentally.

1 files changed, 36 insertions, 0 deletions

diff --git a/test/hard-linked-patch.test b/test/hard-linked-patch.test
new file mode 100644
index 0000000..7063fd0
--- /dev/null
+++ b/test/hard-linked-patch.test
@@ -0,0 +1,36 @@
+If a patch file has hard links, refreshing it should break the links
+so that the other copies are left unmodified.
+
+$ mkdir patches
+
+$ cat > patches/patch
+< --- file.orig
+< +++ file
+< @@ -1 +1 @@
+< -a
+< +b
+$ echo patch -p0 > patches/series
+$ ln patches/patch hardlink
+
+$ echo a > file
+$ quilt push -q
+> Applying patch patches/patch
+> Now at patch patches/patch
+
+$ echo c > file
+$ quilt refresh --no-index
+> Refreshed patch patches/patch
+
+$ cat patches/patch
+> --- file.orig
+> +++ file
+> @@ -1 +1 @@
+> -a
+> +c
+
+$ cat hardlink
+> --- file.orig
+> +++ file
+> @@ -1 +1 @@
+> -a
+> +b