gps 7.3.3

Official CLI & library for Git Patch Stack
Documentation 
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#!/bin/sh

# request_review_post_sync hook using GitLab CLI
# (https://gitlab.com/gitlab-org/cli) and jq (https://jqlang.github.io/jq/)
#
# This hook handles requesting review after the sync step of the request review
# command has completed.
#
# In this particular case it is creating a merge request within GitLab by using
# the GitLab CLI. Therefore, you need to make sure that you have the GitLab CLI
# and jq installed and in your PATH, and that you have logged in to GitLab for
# this hook to work.
#
# Setup
#
# - install GitLab cli and jq - on macOS - brew install glab jq
# - login to GitLab cli - glab auth login

patch_upstream_branch_name=$1 # string of the patch's associated upstream branch name (e.g. ps/rr/your-patches-branch-name)
patch_stack_upstream_branch_name_relative_to_remote=$2 # string of the patch stack's branch name (e.g. main)
patch_stack_upstream_remote_name=$3 # string of the patch stack's remote name (e.g. origin)
patch_stack_upstream_remote_url=$4 # string of the patch stack's remote url

if ! glab --version >/dev/null 2>&1; then
    echo "glab not found, please make sure it is installed and available on $PATH"
    exit 1
fi

if ! jq --version >/dev/null 2>&1; then
    echo "jq not found, please make sure it is installed and available on $PATH"
    exit 1
fi

if ! glab auth status >/dev/null 2>&1; then
    echo "glab is not logged in, please check the output of \"glab auth status\" and resolve"
    exit 1
fi

state_json=$(glab mr -R "$patch_stack_upstream_remote_url" view $patch_upstream_branch_name -F json 2>/dev/null)
if [ $? -eq 0 ]; then
    state=$(echo "$state_json" | jq -r .state)
    if [ "$state" = "opened" ]; then
        echo "Open PR already exists, updating description"
        action="update_description"
    else
        echo "PR found but it isn't open, creating a new one"
        action="create"
    fi
else
    echo "PR not found, creating a new one"
    action="create"
fi

just_head="$patch_upstream_branch_name^..$patch_upstream_branch_name"
new_title=$(git log "$just_head" --pretty=format:%s)
new_description=$(git log "$just_head" --pretty=format:%b)

if [ $action = "create" ]; then
    glab mr create \
        --title "$new_title" \
        --description "$new_description" \
        --head "$patch_stack_upstream_remote_url" \
        --source-branch "$patch_upstream_branch_name" \
        --target-branch "$patch_stack_upstream_branch_name_relative_to_remote" \
        --remove-source-branch
elif [ $action = "update_description" ]; then
    glab mr update "$patch_upstream_branch_name" --title "$new_title" --description "$new_description"
fi