stable-merge-request.sh: Add a script for submitting merge requests v…

…ia bugzilla

Summary:
This script will automatically create a new stable merge request bug in
bugzilla for the given svn revision and release number.

Reviewers: hans

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D30905

llvm-svn: 298705

llvm/utils/release/merge-request.sh

@@ -0,0 +1,198 @@
+# !/bin/bash
+#===-- merge-request.sh  ---------------------------------------------------===#
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License.
+#
+#===------------------------------------------------------------------------===#
+#
+# Submit a merge request to bugzilla.
+#
+#===------------------------------------------------------------------------===#
+
+dryrun=""
+stable_version=""
+revision=""
+BUGZILLA_BIN=""
+BUGZILLA_CMD=""
+release_metabug=""
+bugzilla_product="new-bugs"
+bugzilla_component="new bugs"
+bugzilla_assigned_to=""
+bugzilla_user=""
+bugzilla_version=""
+bugzilla_url="http://bugs.llvm.org/xmlrpc.cgi"
+
+function usage() {
+  echo "usage: `basename $0` -user EMAIL -stable-version X.Y -r NUM"
+  echo ""
+  echo " -user EMAIL             Your email address for logging into bugzilla."
+  echo " -stable-version X.Y     The stable release version (e.g. 4.0, 5.0)."
+  echo " -r NUM                  Revision number to merge (e.g. 1234567)."
+  echo " -bugzilla-bin PATH      Path to bugzilla binary (optional)."
+  echo " -assign-to EMAIL        Assign bug to user with EMAIL (optional)."
+  echo " -dry-run                Print commands instead of executing them."
+}
+
+while [ $# -gt 0 ]; do
+  case $1 in
+    -user)
+      shift
+      bugzilla_user="$1"
+      ;;
+    -stable-version)
+      shift
+      stable_version="$1"
+      ;;
+    -r)
+      shift
+      revision="$1"
+      ;;
+    -project)
+      shift
+      project="$1"
+      ;;
+    -component)
+      shift
+      bugzilla_component="$1"
+      ;;
+    -bugzilla-bin)
+      shift
+      BUGZILLA_BIN="$1"
+      ;;
+    -assign-to)
+      shift
+      bugzilla_assigned_to="--assigned_to=$1"
+      ;;
+    -dry-run)
+      dryrun="echo"
+      ;;
+    -help | --help | -h | --h | -\? )
+      usage
+      exit 0
+      ;;
+    * )
+      echo "unknown option: $1"
+      usage
+      exit 1
+      ;;
+  esac
+  shift
+done
+
+if [ -z "$stable_version" ]; then
+  echo "error: no stable version specified"
+  exit 1
+fi
+
+case $stable_version in
+  4.0)
+    release_metabug="32061"
+    ;;
+  *)
+    echo "error: invalid stable version"
+    exit 1
+esac
+bugzilla_version=$stable_version
+
+if [ -z "$revision" ]; then
+  echo "error: revision not specified"
+  exit 1
+fi
+
+if [ -z "$bugzilla_user" ]; then
+  echo "error: bugzilla username not specified."
+  exit 1
+fi
+
+if [ -z "$BUGZILLA_BIN" ]; then
+  BUGZILLA_BIN=`which bugzilla`
+  if [ $? -ne 0 ]; then
+    echo "error: could not find bugzilla executable."
+    echo "Make sure the bugzilla cli tool is installed on your system: "
+    echo "pip install python-bugzilla (recommended)"
+    echo ""
+    echo "Fedora: dnf install python-bugzilla"
+    echo "Ubuntu/Debian: apt-get install bugzilla-cli"
+    exit 1
+  fi
+fi
+
+BUGZILLA_MAJOR_VERSION=`$BUGZILLA_BIN --version 2>&1 | cut -d . -f 1`
+
+if [ $BUGZILLA_MAJOR_VERSION -eq 1 ]; then
+
+  echo "***************************** Warning *******************************"
+  echo "You are using an older version of the bugzilla cli tool.  You will be "
+  echo "able to create bugs, but this script will crash with the following "
+  echo "error when trying to read back information about the bug you created:"
+  echo ""
+  echo "KeyError: 'internals'"
+  echo ""
+  echo "To avoid this error, use version 2.0.0 or higher"
+  echo "https://pypi.python.org/pypi/python-bugzilla"
+  echo "*********************************************************************"
+fi
+
+BUGZILLA_CMD="$BUGZILLA_BIN --bugzilla=$bugzilla_url"
+
+bug_url="https://reviews.llvm.org/rL$revision"
+
+echo "Checking for duplicate bugs..."
+
+check_duplicates=`$BUGZILLA_CMD query --url $bug_url`
+
+if [ -n "$check_duplicates" ]; then
+  echo "Duplicate bug found:"
+  echo $check_duplicates
+  exit 1
+fi
+
+echo "Done"
+
+# Get short commit summary
+commit_summary=''
+commit_msg=`svn log -r $revision https://llvm.org/svn/llvm-project/`
+if [ $? -ne 0 ]; then
+  echo "warning: failed to get commit message."
+  commit_msg=""
+fi
+
+if [ -n "$commit_msg" ]; then
+  commit_summary=`echo "$commit_msg" | sed '4q;d' | cut -c1-80`
+  commit_summary=" : ${commit_summary}"
+fi
+
+bug_summary="Merge r$revision into the $stable_version branch${commit_summary}"
+
+if [ -z "$dryrun" ]; then
+  set -x
+fi
+
+${dryrun} $BUGZILLA_CMD --login --user=$bugzilla_user new \
+  -p "$bugzilla_product" \
+  -c "$bugzilla_component" -u $bug_url --blocked=$release_metabug \
+  -o All --priority=P --arch All -v $bugzilla_version \
+  --summary "${bug_summary}" \
+  -l "Is this patch OK to merge to the $stable_version branch?" \
+  $bugzilla_assigned_to \
+  --oneline
+
+set +x
+
+if [ -n "$dryrun" ]; then
+  exit 0
+fi
+
+if [ $BUGZILLA_MAJOR_VERSION -eq 1 ]; then
+  success=`$BUGZILLA_CMD query --url $bug_url`
+  if [ -z "$success" ]; then
+    echo "Failed to create bug."
+    exit 1
+  fi
+
+  echo " Created new bug:"
+  echo $success
+fi