add new script to approve and/or merge PRs with less typing (wrapper for GH CLI)

Change-Id: Ib59eb671c3f535f68f11b090eb1b8298ccad54fe
Signed-off-by: Nick Boldt <[email protected]>

Author: nickboldt

product/approveMergePR.sh

@@ -0,0 +1,66 @@
+#!/bin/bash
+#
+# Copyright (c) 2022 Red Hat, Inc.
+# This program and the accompanying materials are made
+# available under the terms of the Eclipse Public License 2.0
+# which is available at https://www.eclipse.org/legal/epl-2.0/
+#
+# SPDX-License-Identifier: EPL-2.0
+#
+# Utility script to approve and merge a PR by URL
+#
+
+command -v gh >/dev/null 2>&1     || which gh >/dev/null 2>&1     || { echo "gh is not installed - must install from https://cli.github.com/"; usage; exit 1; }
+
+usage() {
+  cat <<EOF
+Usage: $0 [URL1] [URL2 ...] [OPTIONS]
+
+Options:
+  -a                    : approve PR
+  -m                    : squash-merge PR
+  -v                    : verbose output
+  -h, --help            : show this help
+
+Example:
+  $0 -a -m https://github.com/eclipse-che/che-devfile-registry/pull/697/files
+EOF
+}
+
+DO_APPROVE=0
+DO_MERGE=0
+VERBOSE=0
+
+while [[ "$#" -gt 0 ]]; do
+  case $1 in
+    '-a'|'--approve') DO_APPROVE=1;;
+    '-m'|'--merge') DO_MERGE=1;;
+    '-v'|'--verbose') VERBOSE=1;;
+    '-h'|'--help') usage;;
+    *) URLs="$URLs $1";;
+  esac
+  shift 1
+done
+
+for URL in $URLs; do
+    R=$URL; R=${R%/pull/*}; # echo $R
+    PR=$URL; PR=${PR##*/pull/}; PR=${PR%%/*}; # echo $PR
+
+    if [[ $DO_APPROVE -eq 1 ]]; then
+        approve_cmd="gh pr review $PR --approve -R $R"
+        if [[ VERBOSE -eq 1 ]]; then
+            echo "To approve: 
+  $approve_cmd"
+        fi
+        $approve_cmd
+    fi
+
+    if [[ $DO_MERGE -eq 1 ]]; then
+        merge_cmd="gh pr merge $PR -s -R $R"
+        if [[ VERBOSE -eq 1 ]]; then
+            echo "To merge:
+  $merge_cmd"
+        fi
+        $merge_cmd
+    fi
+done