Version 0.4 release

.github/bot-base.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+
+set -e
+
+API_HEADER="Accept: application/vnd.github.v3+json"
+AUTH_HEADER="Authorization: token $GITHUB_TOKEN"
+
+api_get() {
+  curl -X GET -s -H "${AUTH_HEADER}" -H "${API_HEADER}" "$1"
+}
+
+api_post() {
+  curl -X POST -s -H "${AUTH_HEADER}" -H "${API_HEADER}" "$1" -d "$2"
+}
+
+api_patch() {
+  curl -X PATCH -s -H "${AUTH_HEADER}" -H "${API_HEADER}" "$1" -d "$2"
+}
+
+api_delete() {
+  curl -X DELETE -s -H "${AUTH_HEADER}" -H "${API_HEADER}" "$1"
+}

.github/bot-pr-base.sh

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+#!/usr/bin/env bash
+
+source .github/bot-base.sh
+
+echo -n "Collecting information on triggering PR"
+PR_URL=$(jq -r .pull_request.url "$GITHUB_EVENT_PATH")
+if [[ "$PR_URL" == "null" ]]; then
+  # if this was triggered by an issue comment: get PR and commenter
+  echo -n .............
+  PR_URL=$(jq -er .issue.pull_request.url "$GITHUB_EVENT_PATH")
+  echo -n .
+  USER_LOGIN=$(jq -er ".comment.user.login" "$GITHUB_EVENT_PATH")
+  echo -n .
+  USER_URL=$(jq -er ".comment.user.url" "$GITHUB_EVENT_PATH")
+  echo -n .
+else
+  # else it was triggered by a PR sync: get PR creator
+  USER_LOGIN=$(jq -er ".pull_request.user.login" "$GITHUB_EVENT_PATH")
+  echo -n .
+  USER_URL=$(jq -er ".pull_request.user.url" "$GITHUB_EVENT_PATH")
+  echo -n .
+fi
+echo -n .
+PR_JSON=$(api_get $PR_URL)
+echo -n .
+PR_MERGED=$(echo "$PR_JSON" | jq -r .merged)
+echo -n .
+PR_NUMBER=$(echo "$PR_JSON" | jq -r .number)
+echo -n .
+ISSUE_URL=$(echo "$PR_JSON" | jq -er ".issue_url")
+echo -n .
+BASE_REPO=$(echo "$PR_JSON" | jq -er .base.repo.full_name)
+echo -n .
+BASE_BRANCH=$(echo "$PR_JSON" | jq -er .base.ref)
+echo -n .
+HEAD_REPO=$(echo "$PR_JSON" | jq -er .head.repo.full_name)
+echo -n .
+HEAD_BRANCH=$(echo "$PR_JSON" | jq -er .head.ref)
+echo .
+
+BASE_URL="https://${GITHUB_ACTOR}:${GITHUB_TOKEN}@github.com/$BASE_REPO"
+HEAD_URL="https://${GITHUB_ACTOR}:${GITHUB_TOKEN}@github.com/$HEAD_REPO"
+
+JOB_URL="https://github.com/$GITHUB_REPOSITORY/actions/runs/$GITHUB_RUN_ID"
+
+bot_delete_comments_matching() {
+  local search_matching="$1"
+  COMMENTS=$(api_get "$ISSUE_URL/comments" | jq -r '.[] | select((.user.login == "peterBot") and (.body | startswith('"\"$search_matching\""'))) | .url')
+  for URL in $COMMENTS; do
+    api_delete "$URL" > /dev/null
+  done
+}
+
+bot_comment() {
+  api_post "$ISSUE_URL/comments" "{\"body\":\"$1\"}" > /dev/null
+}
+
+bot_error() {
+  echo "$1"
+  bot_comment "Error: $1"
+  exit 1
+}
+
+bot_get_all_changed_files() {
+  local pr_url="$1"
+  local pr_files=""
+  local page="1"
+  while true; do
+    # this api allows 100 items per page
+    # github action uses `bash -e`. The last empty page will leads jq error, use `|| :` to ignore the error.
+    local pr_page_files=$(api_get "$pr_url/files?&per_page=100&page=${page}" | jq -er '.[] | select(.status != "removed") | .filename' || :)
+    if [ "${pr_page_files}" = "" ]; then
+      break
+    fi
+    if [ ! "${pr_files}" = "" ]; then
+      # add the same new line format as jq output
+      pr_files="${pr_files}"$'\n'
+    fi
+    pr_files="${pr_files}${pr_page_files}"
+    page=$(( page + 1 ))
+  done
+  echo "${pr_files}"
+}
+
+# collect info on the user that invoked the bot
+echo -n "Collecting information on triggering user"
+USER_JSON=$(api_get $USER_URL)
+echo .
+
+USER_NAME=$(echo "$USER_JSON" | jq -r ".name")
+if [[ "$USER_NAME" == "null" ]]; then
+	USER_NAME=$USER_LOGIN
+fi
+USER_EMAIL=$(echo "$USER_JSON" | jq -r ".email")
+if [[ "$USER_EMAIL" == "null" ]]; then
+	USER_EMAIL="[email protected]"
+fi
+USER_COMBINED="$USER_NAME <$USER_EMAIL>"
+
+if [[ "$PR_MERGED" == "true" ]]; then
+  bot_error "PR already merged!"
+fi

.github/bot-pr-format-base.sh

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+#!/usr/bin/env bash
+
+source .github/bot-pr-base.sh
+
+echo "Retrieving PR file list"
+PR_FILES=$(bot_get_all_changed_files ${PR_URL})
+NUM=$(echo "${PR_FILES}" | wc -l)
+echo "PR has ${NUM} changed files"
+
+TO_FORMAT="$(echo "$PR_FILES" | grep -E $EXTENSION_REGEX || true)"
+
+git remote add fork "$HEAD_URL"
+git fetch fork "$HEAD_BRANCH"
+
+git config user.email "[email protected]"
+git config user.name "OGLBot"
+
+# checkout current PR head
+LOCAL_BRANCH=format-tmp-$HEAD_BRANCH
+git checkout -b $LOCAL_BRANCH fork/$HEAD_BRANCH

.github/format.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+cp .github/bot-pr-format-base.sh /tmp
+source /tmp/bot-pr-format-base.sh
+
+echo "listing files"
+# check for changed files, replace newlines by \n
+LIST_FILES=$(git diff --name-only | sed '$!s/$/\\n/' | tr -d '\n')
+
+# format files
+clang-format -i  $LIST_FILES
+
+echo $LIST_FILES
+echo "gonna commit files"
+# commit changes if necessary
+if [[ "$LIST_FILES" != "" ]]; then
+  git commit -a -m "Format files
+
+Co-authored-by: $USER_COMBINED"
+  git push fork "$LOCAL_BRANCH:$HEAD_BRANCH" 2>&1 || bot_error "Cannot push formatted branch, are edits for maintainers allowed?"
+fi