summaryrefslogtreecommitdiffstats
path: root/src/ob-unpacksource.sh
blob: 07c8d4887ebab876734b2adf047869265490f5e3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
#!@@SH@@
#
# opkbuild
# src/ob-unpacksource
# Unpack native or upstream source.
#
# Copyright (C) 2012 Patrick "P. J." McDermott
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

. '@@PKGLIBDIR@@/load.sm'

ob_use locale
ob_use output
ob_use package

upstream_ar_base=
upstream_ar=
upstream_ar_z=
upstream_ar_dir=

main()
{
	ob_set_text_domain 'opkbuild'

	ob_init_package '..' || exit 1
	ob_parse_package_metadata -c '.opkbuild.cache' || exit 1

	if [ -d 'src' ]; then
		ob_info "$(ob_get_msg 'already_unpacked')"
	else
		if [ -d '../src' ]; then
			unpack_native
		elif get_upstream_archive; then
			unpack_upstream
		fi
	fi
}

unpack_native()
{
	ob_info "$(ob_get_msg 'unpacking_native')"
	cp -Rp '../src' 'src' || ob_error "$(ob_get_msg 'cant_unpack_native')"
}

unpack_upstream()
{
	get_upstream_compression
	get_upstream_dir
	extract_upstream
}

get_upstream_archive()
{
	upstream_ar_base="${OPK_SOURCE}-${OPK_SOURCE_VERSION_UPSTREAM}.orig.tar"
	upstream_ar="$(find '..' -name "${upstream_ar_base}*")"
	case "$(echo "${upstream_ar}" | grep -v '^$' | wc -l)" in
		0)
			ob_info "$(ob_get_msg 'no_sources')"
			return 1
			;;
		1)
			return 0
			;;
		*)
			ob_error "$(ob_get_msg 'multiple_upstream_sources')"
			;;
	esac
}

get_upstream_compression()
{
	z_ext="${upstream_ar#../${upstream_ar_base}}"
	case "${z_ext}" in
		'')
			upstream_ar_z=''
			;;
		'.gz')
			upstream_ar_z='z'
			;;
		'.bz2')
			upstream_ar_z='j'
			;;
		'.lz')
			upstream_ar_z='a'
			;;
		'.Z')
			upstream_ar_z='Z'
			;;
		*)
			ob_error "$(ob_get_msg 'unsupported_archive_compression')" \
				"${z_ext}"
			;;
	esac
}

get_upstream_dir()
{
	upstream_ar_dir="$(tar "-t${upstream_ar_z}f" "${upstream_ar}" | \
		sed -n 's@^\(\./\|\)\([^/]*\)\(/\|\).*$@\2@p' | sort | uniq)"
	case "$(echo "${upstream_ar_dir}" | grep -v '^$' | wc -l)" in
		0)
			ob_error "$(ob_get_msg 'no_upstream_dirs')"
			;;
		1)
			;;
		*)
			ob_error "$(ob_get_msg 'multiple_top_upstream_dirs')"
	esac
}

extract_upstream()
{
	ob_info "$(ob_get_msg 'unpacking_upstream')"
	tar "-x${upstream_ar_z}f" "${upstream_ar}" || \
		ob_error "$(ob_get_msg 'cant_unpack_upstream')"
	mv "${upstream_ar_dir}" 'src' || \
		ob_error "$(ob_get_msg 'cant_move_native')"
}

main "${@}"