1 files changed, 167 insertions, 0 deletions
diff --git a/deps/npm/scripts/pr b/deps/npm/scripts/pr
new file mode 100755
index 0000000000..30a3b05ffe
--- /dev/null
+++ b/deps/npm/scripts/pr
@@ -0,0 +1,167 @@
+#!/usr/bin/env bash
+
+# Land a pull request
+# Creates a PR-### branch, pulls the commits, opens up an interactive rebase to
+# squash, and then annotates the commit with the changelog goobers
+#
+# Usage:
+#   pr <url|number> [<upstream remote>=origin]
+
+main () {
+  if [ "$1" = "finish" ]; then
+    shift
+    finish "$@"
+    return $?
+  fi
+
+  local url="$(prurl "$@")"
+  local num=$(basename $url)
+  local prpath="${url#git@github.com:}"
+  local repo=${prpath%/pull/$num}
+  local prweb="https://github.com/$prpath"
+  local root="$(prroot "$url")"
+  local api="https://api.github.com/repos/${repo}/pulls/${num}"
+  local user=$(curl -s $api | json user.login)
+  local ref="$(prref "$url" "$root")"
+  local curhead="$(git show --no-patch --pretty=%H HEAD)"
+  local curbranch="$(git rev-parse --abbrev-ref HEAD)"
+  local cleanlines
+  IFS=$'\n' cleanlines=($(git status -s -uno))
+  if [ ${#cleanlines[@]} -ne 0 ]; then
+    echo "working dir not clean" >&2
+    IFS=$'\n' echo "${cleanlines[@]}" >&2
+    echo "aborting PR merge" >&2
+  fi
+
+  # ok, ready to rock
+  branch=PR-$num
+  if [ "$curbranch" == "$branch" ]; then
+    echo "already on $branch, you're on your own" >&2
+    return 1
+  fi
+
+  me=$(git config github.user || git config user.name)
+  if [ "$me" == "" ]; then
+    echo "run 'git config --add github.user <username>'" >&2
+    return 1
+  fi
+
+  exists=$(git show --no-patch --pretty=%H $branch 2>/dev/null)
+  if [ "$exists" == "" ]; then
+    git fetch origin pull/$num/head:$branch
+    git checkout $branch
+  else
+    git checkout $branch
+    git pull --rebase origin pull/$num/head
+  fi
+
+  git rebase -i $curbranch # squash and test
+
+  if [ $? -eq 0 ]; then
+    finish "${curbranch}"
+  else
+    echo "resolve conflicts and run: $0 finish "'"'${curbranch}'"'
+  fi
+}
+
+# add the PR-URL to the last commit, after squashing
+finish () {
+  if [ $# -eq 0 ]; then
+    echo "Usage: $0 finish <branch> (while on a PR-### branch)" >&2
+    return 1
+  fi
+
+  local curbranch="$1"
+  local ref=$(cat .git/HEAD)
+  local prnum
+  case $ref in
+    "ref: refs/heads/PR-"*)
+      prnum=${ref#ref: refs/heads/PR-}
+      ;;
+    *)
+      echo "not on the PR-## branch any more!" >&2
+      return 1
+      ;;
+  esac
+
+  local me=$(git config github.user || git config user.name)
+  if [ "$me" == "" ]; then
+    echo "run 'git config --add github.user <username>'" >&2
+    return 1
+  fi
+
+  set -x
+
+  local url="$(prurl "$prnum")"
+  local num=$prnum
+  local prpath="${url#git@github.com:}"
+  local repo=${prpath%/pull/$num}
+  local prweb="https://github.com/$prpath"
+  local root="$(prroot "$url")"
+
+  local api="https://api.github.com/repos/${repo}/pulls/${num}"
+  local user=$(curl -s $api | json user.login)
+
+  local lastmsg="$(git log -1 --pretty=%B)"
+  local newmsg="${lastmsg}
+
+PR-URL: ${prweb}
+Credit: @${user}
+Close: #${num}
+Reviewed-by: @${me}
+"
+  git commit --amend -m "$newmsg"
+  git checkout $curbranch
+  git merge PR-${prnum} --ff-only
+  set +x
+}
+
+
+prurl () {
+  local url="$1"
+  if [ "$url" == "" ] && type pbpaste &>/dev/null; then
+    url="$(pbpaste)"
+  fi
+  if [[ "$url" =~ ^[0-9]+$ ]]; then
+    local us="$2"
+    if [ "$us" == "" ]; then
+      us="origin"
+    fi
+    local num="$url"
+    local o="$(git config --get remote.${us}.url)"
+    url="${o}"
+    url="${url#(git:\/\/|https:\/\/)}"
+    url="${url#git@}"
+    url="${url#github.com[:\/]}"
+    url="${url%.git}"
+    url="https://github.com/${url}/pull/$num"
+  fi
+  url=${url%/commits}
+  url=${url%/files}
+  url="$(echo $url | perl -p -e 's/#issuecomment-[0-9]+$//g')"
+
+  local p='^https:\/\/github.com\/[^\/]+\/[^\/]+\/pull\/[0-9]+$'
+  if ! [[ "$url" =~ $p ]]; then
+    echo "Usage:"
+    echo "  $0 <pull req url>"
+    echo "  $0 <pull req number> [<remote name>=origin]"
+    type pbpaste &>/dev/null &&
+      echo "(will read url/id from clipboard if not specified)"
+    exit 1
+  fi
+  url="${url/https:\/\/github\.com\//git@github.com:}"
+  echo "$url"
+}
+
+prroot () {
+  local url="$1"
+  echo "${url/\/pull\/+([0-9])/}"
+}
+
+prref () {
+  local url="$1"
+  local root="$2"
+  echo "refs${url:${#root}}/head"
+}
+
+main "$@"