ui-snapshot: add support for lzip compression

This patch adds support for lzip [1] compressed snapshots (*.tar.lz)

[1] https://www.nongnu.org/lzip/

Signed-off-by: Hanspeter Portner <dev@open-music-kontrollers.ch>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 42 insertions, 0 deletions

diff --git a/tests/t0107-snapshot.sh b/tests/t0107-snapshot.sh
index 6cf7aaa..a845ad9 100755
--- a/tests/t0107-snapshot.sh
+++ b/tests/t0107-snapshot.sh
@@ -38,6 +38,48 @@ test_expect_success 'verify untarred file-5' '
         test_line_count = 1 master/file-5
 '
 
+if test -n "$(which lzip 2>/dev/null)"; then
+        test_set_prereq LZIP
+else
+        say 'Skipping LZIP validation tests: lzip not found'
+fi
+
+test_expect_success LZIP 'get foo/snapshot/master.tar.lz' '
+        cgit_url "foo/snapshot/master.tar.lz" >tmp
+'
+
+test_expect_success LZIP 'check html headers' '
+        head -n 1 tmp |
+        grep "Content-Type: application/x-lzip" &&
+
+        head -n 2 tmp |
+        grep "Content-Disposition: inline; filename=.master.tar.lz."
+'
+
+test_expect_success LZIP 'strip off the header lines' '
+        strip_headers <tmp >master.tar.lz
+'
+
+test_expect_success LZIP 'verify lzip format' '
+        lzip --test master.tar.lz &&
+        cp master.tar.lz /tmp/.
+'
+
+test_expect_success LZIP 'untar' '
+        rm -rf master &&
+        tar --lzip -xf master.tar.lz
+'
+
+test_expect_success LZIP 'count files' '
+        ls master/ >output &&
+        test_line_count = 5 output
+'
+
+test_expect_success LZIP 'verify untarred file-5' '
+        grep "^5$" master/file-5 &&
+        test_line_count = 1 master/file-5
+'
+
 test_expect_success 'get foo/snapshot/master.zip' '
         cgit_url "foo/snapshot/master.zip" >tmp
 '