#!/usr/bin/env bash
#
# a simple ci that saves its results in a git note, formatted according to
# RFC-2822, more or less.
#
##
  set -uo pipefail
  [[ -n $(git status -s) ]] && { echo fail: dirty worktree; exit 1; }
##
  at=$(date -R)
  user=$(git config --get user.name)
  mail=$(git config --get user.email)
##
  while read local_ref local_sha remote_ref remote_sha
  do
    if [[ $local_ref =~ notes ]]; then
      exit 0
    fi
    commit=$(git notes --ref=ci show $local_ref || true)
    if [[ -n "$commit" ]]
    then
      lint_ok=$()
      if grep -q "Lint-is: good" <<< $commit
      then
        exit 0
      fi
      if grep -q "Test-is: good" <<< $commit
      then
        exit 0
      fi
    fi
  ##
    if lint "${CODEROOT:?}"/**/*
    then
      lint_result="good"
    else
      lint_result="fail"
      exit 1
    fi
  ##
    if bild --test "${CODEROOT:?}"/**/*
    then
      test_result="good"
    else
      test_result="fail"
      exit 1
    fi
  ##
    read -r -d '' note <<EOF
Lint-is: $lint_result
Test-is: $test_result
Test-by: $user <$mail>
Test-at: $at
EOF
  ##
    git notes --ref=ci append -m "$note"
  done
##