README.md

Sample Output

$ ./ls_pr_branch_map.sh https://github.com/axsh/wakame-vdc.git
0e111a6bca3f74c00a70a365a1bf9e6676c2bbf5 pull/208   release-v13.06.0
1536ba97914356c9bf41beec0fcd1f96a8f2d63b pull/85    feature-demodata-extra-nodes
325d523c315a5d4cc0cb3e23ffd1218fcf5aed2a pull/191   feature-lb-enhancements
3a5005c07a9e6227e275f2b7273f51901867c76e pull/210   bug-issue-209
5e99e1b5d84d4cde2cf22e19866d1458310c75cd pull/149   feature-ip-lease-retention
85916e5ca8481a000db92facd23aad3549b32145 pull/115   bug-ng-scheduler
9fd282ed24f95cb6b1143fd5b4f20e656f656527 pull/234   rewrite-netfilter
cab97ee425b12003ddc43faa65cdf4ff10107991 pull/84    fix-lb-image
d5fca9a621a61dfbb90c17bf53038e55073ce4a9 pull/251   feature-volume-localstore
ddb9e7e90fac29646818d43a9784b60b9bceded5 pull/60    fix_instance_generation
e08148d23f43cf525a949cf85c4bad300a419c42 pull/35    mac_range_config_default
e315515a8cb6d860eeb306b51d016d8665739884 pull/229   bugfix-lb-on-after-commit
ec666a3d40defc4093f3fec05a7068d74880111b pull/253   feature-wakame-init-extra-hosts

ls_pr_branch_map.sh

#!/bin/bash
#
# requires:
#  bash
#
set -e

# for test
function _git() {
  cat $(basename ${2##*/})
}

function ls_pr_branch_map() {
  local git_repo_uri=$1
  [[ -n "${git_repo_uri}" ]] || { echo "[error] git_repo_uri is empty." >&2; }

  # git ls-remote [uri]
  #
  # * pull-req: refs/pull/[0-9]/head
  # * branch:   refs/heads/.*
  #
  local ls_heads="$(git ls-remote ${git_repo_uri} | egrep '^[0-9a-f]{40}[[:space:]]+refs/pull/[0-9]+/head$|^[0-9a-f]{40}[[:space:]]+refs/heads/.*$')"

  local commit_hash pair
  while read commit_hash; do
    pair=$(
      # normalize
      # - refs/pull/[0-9]/head -> pull/[0-9]
      # - refs/heads/.*        -> .*
      #
      echo "${ls_heads}" \
      | egrep -w "^${commit_hash}" \
      | awk '{print $2}' \
      | sed 's,^refs/,,; s,^heads/,,; s,/head$,,' \
      | xargs echo \
      | awk '$1 !~ "^pull/" {printf "%-10s %s\n", $2, $1}'
    )
    [[ -n "${pair}" ]] || continue
    echo "${commit_hash} ${pair}"
  done < <(
    # list duplicated commit hash.
    echo "${ls_heads}" \
     | awk '{print $1}' \
     | sort \
     | uniq -c \
     | awk '$1 != 1 {print $2}'
  )
}

ls_pr_branch_map "$@"