Add a basic script to clone multiple Gerrit projects in parallel

Author: sschuberth

gerrit/gerrit-clone.sh

@@ -0,0 +1,58 @@
+#!/bin/bash
+
+refname="for"
+skip=0
+
+while [ -n "$1" ]; do
+    case "$1" in
+    --help)
+        help=true
+        ;;
+    -*)
+        echo "Error: Invalid option \"$1\"."
+        exit 2
+        ;;
+    *)
+        # Stop parsing options on the first non-option argument.
+        break
+        ;;
+    esac
+
+    shift
+done
+
+if [ -n "$help" -o $# -ne 2 ]; then
+    echo "Rationale"
+    echo "    Clone all projects matching the given pattern from Gerrit."
+    echo
+    echo "Usage"
+    echo "    $(basename $0) <host> <pattern>"
+    echo
+    echo "Example"
+    echo "    $(basename $0) review.openstack.org openstack-attic/akanda"
+    echo
+    echo "Options"
+    echo "    --help"
+    echo "        Show this help."
+    exit 1
+fi
+
+host=$(echo $1 | cut -d":" -f1)
+port=$(echo $1 | cut -d":" -f2 -s)
+[ -z "$port" ] && port=29418
+
+pattern=$2
+matches=$(ssh -p $port $host gerrit ls-projects --type code | grep -E $pattern)
+
+if [ -z "$matches" ]; then
+    echo "No matching projects found."
+    exit 2
+fi
+
+echo "$matches"
+echo
+read -p "Do you want to clone these projects? [(Y)es/(n)o] " -n 1 -r
+
+if [ "$REPLY" != "n" -a "$REPLY" != "N" ]; then
+    echo "$matches" | xargs -I % -n 1 -P 8 git clone -q ssh://$host:$port/% %
+fi