external/bsd/tmux/prepare-import.sh

   1 #! /bin/sh
   2 # $NetBSD: prepare-import.sh,v 1.4 2014/07/24 15:16:26 christos Exp $
   3 #
   4 # Use this script to recreate the 'dist' subdirectory from a newly released
   5 # distfile.  The script takes care of unpacking the distfile, removing any
   6 # files that are not relevant to NetBSD and checking if there are any new
   7 # files in the new release that need to be addressed.
   8 #
   9 # See the README file for general instructions.
  10 #
  11
  12 set -e
  13
  14 ProgName=${0##*/}
  15
  16 CLEAN_PATTERNS=
  17 CLEAN_PATTERNS="${CLEAN_PATTERNS} [A-Z]*"
  18 CLEAN_PATTERNS="${CLEAN_PATTERNS} aclocal.m4"
  19 CLEAN_PATTERNS="${CLEAN_PATTERNS} etc"
  20 CLEAN_PATTERNS="${CLEAN_PATTERNS} configure*"
  21
  22 err() {
  23         echo "${ProgName}:" "${@}" 1>&2
  24         exit 1
  25 }
  26
  27 log() {
  28         echo "${ProgName}:" "${@}"
  29 }
  30
  31 backup_dist() {
  32         if [ -d dist.old ]; then
  33                 log "Removing dist; dist.old exists"
  34                 rm -rf dist
  35         else
  36                 log "Backing up dist as dist.old"
  37                 mv dist dist.old
  38         fi
  39 }
  40
  41 extract_distfile() {
  42         local distfile="${1}"; shift
  43         local distname="${1}"; shift
  44
  45         log "Extracting ${distfile}"
  46         tar -xzf "${distfile}"
  47         [ -d "${distname}" ] || err "Distfile did not create ${distname}"
  48         log "Renaming ${distname} to dist"
  49         mv "${distname}" dist
  50 }
  51
  52 get_distname() {
  53         local distfile="${1}"; shift
  54         basename "${distfile}" | sed -e 's,\.tar.*,,'
  55 }
  56
  57 cleanup_dist() {
  58         log "Removing unnecessary files from dist"
  59         ( cd dist && rm -rf ${CLEAN_PATTERNS} )
  60         find dist -name .deps -exec rm -fr {} +
  61         find dist -name .dirstamp -exec rm -f {} +
  62 }
  63
  64 diff_dirs() {
  65         local old_dir="${1}"; shift
  66         local new_dir="${1}"; shift
  67
  68         local old_list=$(mktemp -t tmux-import.XXXXXX)
  69         local new_list=$(mktemp -t tmux-import.XXXXXX)
  70         local diff=$(mktemp -t tmux-import.XXXXXX)
  71         trap "rm -f '${old_list}' '${new_list}' '${diff}'; exit 1" \
  72             HUP INT QUIT TERM
  73
  74         ( cd "${old_dir}" && find . | sort >>"${old_list}" )
  75         ( cd "${new_dir}" && find . | sort >>"${new_list}" )
  76
  77         diff -u "${old_list}" "${new_list}" | grep '^+\.' >>"${diff}" || true
  78         if [ -s "${diff}" ]; then
  79                 log "New files found"
  80                 diff -u "${old_list}" "${new_list}" | grep '^+\.'
  81                 log "Check if any files have to be cleaned up and update" \
  82                     "the prepare-import.sh script accordingly"
  83         else
  84                 log "No new files; all good!"
  85         fi
  86
  87         rm -f "${old_list}" "${new_list}" "${diff}"
  88 }
  89
  90 main() {
  91         [ ${#} -eq 1 ] || err "Must provide a distfile name"
  92         local distfile="${1}"; shift
  93
  94         [ -f Makefile -a -f prepare-import.sh ] || \
  95             err "Must be run from the src/external/bsd/tmux subdirectory"
  96
  97         local distname="$(get_distname ${distfile})"
  98
  99         backup_dist
 100         extract_distfile "${distfile}" "${distname}"
 101         cleanup_dist
 102         diff_dirs dist.old dist
 103         cleantags dist
 104         log "Don't forget to update the -D flags in usr.bin/tmux/Makefile" \
 105             "and to update the version in doc/3RDPARTY"
 106 }
 107
 108 main "${@}"