Make retry tool generic

images/base/git-mini-clone.sh

@@ -6,17 +6,7 @@ DEST="$3"
 git init "$DEST"
 git -C "$DEST" remote add origin "$REPO"
 
-RETRY_COUNTER=0
-MAX_RETRY=15
-while [[ $RETRY_COUNTER -lt $MAX_RETRY ]]; do
-    timeout 120 git -C "$DEST" fetch --depth=1 origin "$REF" && break || sleep 10
-    RETRY_COUNTER=$(( $RETRY_COUNTER + 1 ))
-    echo "Retry $RETRY_COUNTER..."
-done
-if [[ $RETRY_COUNTER -ge $MAX_RETRY ]]; then
-    echo "Max retry count exceeded."
-    exit 1
-fi
+retry-tool git -C "$DEST" fetch --depth=1 origin "$REF"
 
 git -C "$DEST" config advice.detachedHead false
 git -C "$DEST" checkout FETCH_HEAD

images/base/retry-tool.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+set -xe
+
+RETRY_COUNTER=0
+MAX_RETRY=15
+while [[ $RETRY_COUNTER -lt $MAX_RETRY ]]; do
+    timeout 120 "$@" && break || sleep 10
+    RETRY_COUNTER=$(( $RETRY_COUNTER + 1 ))
+    echo "Retry $RETRY_COUNTER..."
+done
+if [[ $RETRY_COUNTER -ge $MAX_RETRY ]]; then
+    echo "Max retry count exceeded."
+    exit 1
+fi