New fast-import test case for valid tree sorting

The Git tree sorting convention is more complex than just the name,
it needs to include the mode too to make sure trees sort as though
their name ends with "/".

This is a simple test case that verifies fast-import keeps the tree
ordering correct after editing the same tree twice in a single
input stream.  A recent proposed patch series (that has not yet
been applied) will cause this test to fail, due to a bug in the
way the series handles sorting within the trees.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>

diff --git a/t/t9300-fast-import.sh b/t/t9300-fast-import.sh
index 03f2f8f347f388a381447e238051cbb92b990dd8..8e958da5361f69e47a27833948eed0bd7dc8b32e 100755 (executable)
--- a/t/t9300-fast-import.sh
+++ b/t/t9300-fast-import.sh
@@ -501,4 +501,54 @@ test_expect_success \
     'test `git-rev-parse --verify branch^1` \
                = `git-rev-parse --verify K^1`'
 
+###
+### series L
+###
+
+cat >input <<INPUT_END
+blob
+mark :1
+data <<EOF
+some data
+EOF
+
+blob
+mark :2
+data <<EOF
+other data
+EOF
+
+commit refs/heads/L
+committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
+data <<COMMIT
+create L
+COMMIT
+
+M 644 :1 b.
+M 644 :1 b/other
+M 644 :1 ba
+
+commit refs/heads/L
+committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
+data <<COMMIT
+update L
+COMMIT
+
+M 644 :2 b.
+M 644 :2 b/other
+M 644 :2 ba
+INPUT_END
+
+cat >expect <<EXPECT_END
+:100644 100644 4268632... 55d3a52... M b.
+:040000 040000 0ae5cac... 443c768... M b
+:100644 100644 4268632... 55d3a52... M ba
+EXPECT_END
+
+test_expect_success \
+    'L: verify internal tree sorting' \
+       'git-fast-import <input &&
+        git-diff --raw L^ L >output &&
+        git diff expect output'
+
 test_done