1 files changed, 15 insertions, 4 deletions
diff --git a/acid/acid-source b/acid/acid-source
index 351d3d0..8c62c44 100755
--- a/acid/acid-source
+++ b/acid/acid-source
@@ -37,13 +37,24 @@ if ! echo "$1" | grep -Eq '^[-_a-z0-9]*$'; then
 fi
 
 if ! [ -d "$1" ]; then
+    # New repository
     git clone "$2" "$1" >&2 || fail
-    touch "$1/.git/previous_hash"
-    touch "$1/.git/previous_slug"
+    cd "$1"
+
+    # Strip down to tags and remote refs only
+    git remote set-head origin --delete >/dev/null 2>&1
+    git checkout HEAD~0 >/dev/null 2>&1
+    git for-each-ref --format='delete %(refname)' refs/heads \
+        | git update-ref --stdin >/dev/null 2>&1
+
+    # Init cyche metadata
+    touch ".git/previous_hash"
+    touch ".git/previous_slug"
+else
+    # Existing repository
+    cd "$1"
 fi
 
-cd "$1"
-
 git remote set-url origin "$2" >&2 # pick up url changes
 git fetch --all --prune >&2 || fail