xref: /netbsd-src/external/bsd/kyua-atf-compat/prepare-import.sh (revision 3bca2a4367a8283a1a94a8beb7740dec6aaf16d8) 
1#!/bin/sh
2# $NetBSD: prepare-import.sh,v 1.1 2013/02/25 00:20:08 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} Makefile*"
18CLEAN_PATTERNS="${CLEAN_PATTERNS} admin"
19CLEAN_PATTERNS="${CLEAN_PATTERNS} configure*"
20
21err() {
22	echo "${ProgName}:" "${@}" 1>&2
23	exit 1
24}
25
26log() {
27	echo "${ProgName}:" "${@}"
28}
29
30backup_dist() {
31	if [ -d dist.old ]; then
32		log "Removing dist; dist.old exists"
33		rm -rf dist
34	else
35		log "Backing up dist as dist.old"
36		mv dist dist.old
37	fi
38}
39
40extract_distfile() {
41	local distfile="${1}"; shift
42	local distname="${1}"; shift
43
44	log "Extracting ${distfile}"
45	tar -xzf "${distfile}"
46	[ -d "${distname}" ] || err "Distfile did not create ${distname}"
47	log "Renaming ${distname} to dist"
48	mv "${distname}" dist
49}
50
51get_distname() {
52	local distfile="${1}"; shift
53	basename "${distfile}" | sed -e 's,\.tar.*,,'
54}
55
56cleanup_dist() {
57	log "Removing unnecessary files from dist"
58	( cd dist && rm -rf ${CLEAN_PATTERNS} )
59}
60
61diff_dirs() {
62	local old_dir="${1}"; shift
63	local new_dir="${1}"; shift
64
65	local old_list=$(mktemp -t kyua-atf-compat-import.XXXXXX)
66	local new_list=$(mktemp -t kyua-atf-compat-import.XXXXXX)
67	local diff=$(mktemp -t kyua-atf-compat-import.XXXXXX)
68	trap "rm -f '${old_list}' '${new_list}' '${diff}'; exit 1" \
69	    HUP INT QUIT TERM
70
71	( cd "${old_dir}" && find . | sort >>"${old_list}" )
72	( cd "${new_dir}" && find . | sort >>"${new_list}" )
73
74	diff -u "${old_list}" "${new_list}" | grep '^+\.' >>"${diff}" || true
75	if [ -s "${diff}" ]; then
76		log "New files found"
77		diff -u "${old_list}" "${new_list}" | grep '^+\.'
78		log "Check if any files have to be cleaned up and update" \
79		    "the prepare-import.sh script accordingly"
80	else
81		log "No new files; all good!"
82	fi
83
84	rm -f "${old_list}" "${new_list}" "${diff}"
85}
86
87main() {
88	[ ${#} -eq 1 ] || err "Must provide a distfile name"
89	local distfile="${1}"; shift
90
91	[ -f Makefile -a -f prepare-import.sh ] || \
92	    err "Must be run from the src/external/bsd/kyua-atf-compat" \
93	        "subdirectory"
94
95	local distname="$(get_distname ${distfile})"
96
97	backup_dist
98	extract_distfile "${distfile}" "${distname}"
99	cleanup_dist
100	diff_dirs dist.old dist
101}
102
103main "${@}"
104