1#!/bin/sh
2# $NetBSD: prepare-import.sh,v 1.1 2013/02/16 21:29:45 jmmv 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
10set -e
11
12ProgName=${0##*/}
13
14CLEAN_PATTERNS=
15CLEAN_PATTERNS="${CLEAN_PATTERNS} *.m4"
16CLEAN_PATTERNS="${CLEAN_PATTERNS} INSTALL TODO"
17CLEAN_PATTERNS="${CLEAN_PATTERNS} Doxyfile*"
18CLEAN_PATTERNS="${CLEAN_PATTERNS} Makefile* */Makefile* */*/Makefile*"
19CLEAN_PATTERNS="${CLEAN_PATTERNS} admin"
20CLEAN_PATTERNS="${CLEAN_PATTERNS} api-docs"
21CLEAN_PATTERNS="${CLEAN_PATTERNS} config.h.in"
22CLEAN_PATTERNS="${CLEAN_PATTERNS} configure*"
23CLEAN_PATTERNS="${CLEAN_PATTERNS} include"
24CLEAN_PATTERNS="${CLEAN_PATTERNS} m4"
25
26err() {
27          echo "${ProgName}:" "${@}" 1>&2
28          exit 1
29}
30
31log() {
32          echo "${ProgName}:" "${@}"
33}
34
35backup_dist() {
36          if [ -d dist.old ]; then
37                    log "Removing dist; dist.old exists"
38                    rm -rf dist
39          else
40                    log "Backing up dist as dist.old"
41                    mv dist dist.old
42          fi
43}
44
45extract_distfile() {
46          local distfile="${1}"; shift
47          local distname="${1}"; shift
48
49          log "Extracting ${distfile}"
50          tar -xzf "${distfile}"
51          [ -d "${distname}" ] || err "Distfile did not create ${distname}"
52          log "Renaming ${distname} to dist"
53          mv "${distname}" dist
54}
55
56get_distname() {
57          local distfile="${1}"; shift
58          basename "${distfile}" | sed -e 's,\.tar.*,,'
59}
60
61cleanup_dist() {
62          log "Removing unnecessary files from dist"
63          ( cd dist && rm -rf ${CLEAN_PATTERNS} )
64}
65
66diff_dirs() {
67          local old_dir="${1}"; shift
68          local new_dir="${1}"; shift
69
70          local old_list=$(mktemp -t lutok-import.XXXXXX)
71          local new_list=$(mktemp -t lutok-import.XXXXXX)
72          local diff=$(mktemp -t lutok-import.XXXXXX)
73          trap "rm -f '${old_list}' '${new_list}' '${diff}'; exit 1" \
74              HUP INT QUIT TERM
75
76          ( cd "${old_dir}" && find . | sort >>"${old_list}" )
77          ( cd "${new_dir}" && find . | sort >>"${new_list}" )
78
79          diff -u "${old_list}" "${new_list}" | grep '^+\.' >>"${diff}" || true
80          if [ -s "${diff}" ]; then
81                    log "New files found"
82                    diff -u "${old_list}" "${new_list}" | grep '^+\.'
83                    log "Check if any files have to be cleaned up and update" \
84                        "the prepare-import.sh script accordingly"
85          else
86                    log "No new files; all good!"
87          fi
88
89          rm -f "${old_list}" "${new_list}" "${diff}"
90}
91
92main() {
93          [ ${#} -eq 1 ] || err "Must provide a distfile name"
94          local distfile="${1}"; shift
95
96          [ -f Makefile -a -f prepare-import.sh ] || \
97              err "Must be run from the src/external/bsd/lutok subdirectory"
98
99          local distname="$(get_distname ${distfile})"
100
101          backup_dist
102          extract_distfile "${distfile}" "${distname}"
103          cleanup_dist
104          diff_dirs dist.old dist
105}
106
107main "${@}"
108