prepare-import.sh revision 1.3 
1#!/bin/sh
2# $NetBSD: prepare-import.sh,v 1.3 2010/10/20 08:56:16 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="${CLEAN_PATTERNS} INSTALL"
17CLEAN_PATTERNS="${CLEAN_PATTERNS} Makefile* */Makefile* */*/Makefile*"
18CLEAN_PATTERNS="${CLEAN_PATTERNS} admin"
19CLEAN_PATTERNS="${CLEAN_PATTERNS} bconfig.h.in"
20CLEAN_PATTERNS="${CLEAN_PATTERNS} bootstrap"
21CLEAN_PATTERNS="${CLEAN_PATTERNS} configure*"
22CLEAN_PATTERNS="${CLEAN_PATTERNS} m4"
23
24err() {
25	echo "${ProgName}:" "${@}" 1>&2
26	exit 1
27}
28
29log() {
30	echo "${ProgName}:" "${@}"
31}
32
33backup_dist() {
34	if [ -d dist.old ]; then
35		log "Removing dist; dist.old exists"
36		rm -rf dist
37	else
38		log "Backing up dist as dist.old"
39		mv dist dist.old
40	fi
41}
42
43extract_distfile() {
44	local distfile="${1}"; shift
45	local distname="${1}"; shift
46
47	log "Extracting ${distfile}"
48	tar -xzf "${distfile}"
49	[ -d "${distname}" ] || err "Distfile did not create ${distname}"
50	log "Renaming ${distname} to dist"
51	mv "${distname}" dist
52}
53
54get_distname() {
55	local distfile="${1}"; shift
56	basename "${distfile}" | sed -e 's,\.tar.*,,'
57}
58
59cleanup_dist() {
60	log "Removing unnecessary files from dist"
61	( cd dist && rm -rf ${CLEAN_PATTERNS} )
62}
63
64diff_dirs() {
65	local old_dir="${1}"; shift
66	local new_dir="${1}"; shift
67
68	local old_list=$(mktemp -t atf-import.XXXXXX)
69	local new_list=$(mktemp -t atf-import.XXXXXX)
70	local diff=$(mktemp -t atf-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
90main() {
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/atf subdirectory"
96
97	local distname="$(get_distname ${distfile})"
98
99	backup_dist
100	extract_distfile "${distfile}" "${distname}"
101	cleanup_dist
102	diff_dirs dist.old dist
103}
104
105main "${@}"
106