[PATCH 3/4] Prepare testsuite for a "git clone" that packs refs

[Johan Herland <johan@herland.net>]

t5515-fetch-merge-logic removes many, but not all, refs between each test.
This is done by removing the corresponding refs/foo/* files in the .git/refs
hierarchy. However, once "git clone" starts producing packed refs, these refs
will no longer be in the .git/refs hierarchy, but rather listed in
.git/packed-refs. This patch therefore teaches t5515-fetch-merge-logic to also
remove the refs in question from the packed-refs file.

Signed-off-by: Johan Herland <johan@herland.net>
---
 t/t5515-fetch-merge-logic.sh |   19 +++++++++++++++++++
 1 files changed, 19 insertions(+), 0 deletions(-)

diff --git a/t/t5515-fetch-merge-logic.sh b/t/t5515-fetch-merge-logic.sh
index 65c3774..8a8c35c 100755
--- a/t/t5515-fetch-merge-logic.sh
+++ b/t/t5515-fetch-merge-logic.sh
@@ -145,6 +145,25 @@ do
 			rm -f .git/refs/heads/*
 			rm -f .git/refs/remotes/rem/*
 			rm -f .git/refs/tags/*
+			cat .git/packed-refs | \
+			while read sha1 refname
+			do
+				case "$sha1" in
+				^*) # remove peeled tags
+					;;
+				*)
+					case "$refname" in
+					refs/heads/*|\
+					refs/remotes/rem/*|\
+					refs/tags/*) # remove same as above
+						;;
+					*) # keep everything else
+						echo "$sha1 $refname"
+						;;
+					esac
+				esac
+			done > .git/packed-refs.new
+			mv .git/packed-refs.new .git/packed-refs
 			git fetch "$@" >/dev/null
 			cat .git/FETCH_HEAD
 		} >"$actual_f" &&
-- 
1.5.5.159.g8c84b