summaryrefslogtreecommitdiff
path: root/scripts/libmakepkg/source/file.sh.in
blob: 08b8bef8682a56d1e701fb947499526539dd6346 (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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
#!/bin/bash
#
#   file.sh - function for handling the download and extraction of source files
#
#   Copyright (c) 2015-2018 Pacman Development Team <pacman-dev@archlinux.org>
#
#   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/>.
#

[[ -n "$LIBMAKEPKG_SOURCE_FILE_SH" ]] && return
LIBMAKEPKG_SOURCE_FILE_SH=1


LIBRARY=${LIBRARY:-'@libmakepkgdir@'}

source "$LIBRARY/util/message.sh"
source "$LIBRARY/util/pkgbuild.sh"


download_file() {
	local netfile=$1

	local filepath=$(get_filepath "$netfile")
	if [[ -n "$filepath" ]]; then
		msg2 "$(gettext "Found %s")" "${filepath##*/}"
		return
	fi

	local proto=$(get_protocol "$netfile")

	# find the client we should use for this URL
	local -a cmdline
	IFS=' ' read -a cmdline < <(get_downloadclient "$proto")
	(( ${#cmdline[@]} )) || exit

	local filename=$(get_filename "$netfile")
	local url=$(get_url "$netfile")

	if [[ $proto = "scp" ]]; then
		# scp downloads should not pass the protocol in the url
		url="${url##*://}"
	fi

	msg2 "$(gettext "Downloading %s...")" "$filename"

	# temporary download file, default to last component of the URL
	local dlfile="${url##*/}"

	# replace %o by the temporary dlfile if it exists
	if [[ ${cmdline[*]} = *%o* ]]; then
		dlfile=$filename.part
		cmdline=("${cmdline[@]//%o/$dlfile}")
	fi
	# add the URL, either in place of %u or at the end
	if [[ ${cmdline[*]} = *%u* ]]; then
		cmdline=("${cmdline[@]//%u/$url}")
	else
		cmdline+=("$url")
	fi

	if ! command -- "${cmdline[@]}" >&2; then
		[[ ! -s $dlfile ]] && rm -f -- "$dlfile"
		error "$(gettext "Failure while downloading %s")" "$url"
		plain "$(gettext "Aborting...")"
		exit 1
	fi

	# rename the temporary download file to the final destination
	if [[ $dlfile != "$filename" ]]; then
		mv -f "$SRCDEST/$dlfile" "$SRCDEST/$filename"
	fi
}

extract_file() {
	local file=$1

	local filepath=$(get_filepath "$file")
	rm -f "$srcdir/${file}"
	ln -s "$filepath" "$srcdir/"

	if in_array "$file" "${noextract[@]}"; then
		# skip source files in the noextract=() array
		# these are marked explicitly to NOT be extracted
		return 0
	fi

	# do not rely on extension for file type
	local file_type=$(file -bizL -- "$file")
	local ext=${file##*.}
	local cmd=''
	case "$file_type" in
		*application/x-tar*|*application/zip*|*application/x-zip*|*application/x-cpio*)
			cmd="bsdtar" ;;
		*application/x-gzip*)
			case "$ext" in
				gz|z|Z) cmd="gzip" ;;
				*) return;;
			esac ;;
		*application/x-bzip*)
			case "$ext" in
				bz2|bz) cmd="bzip2" ;;
				*) return;;
			esac ;;
		*application/x-xz*)
			case "$ext" in
				xz) cmd="xz" ;;
				*) return;;
			esac ;;
		*)
			# See if bsdtar can recognize the file
			if bsdtar -tf "$file" -q '*' &>/dev/null; then
				cmd="bsdtar"
			else
				return 0
			fi ;;
	esac

	local ret=0
	msg2 "$(gettext "Extracting %s with %s")" "$file" "$cmd"
	if [[ $cmd = "bsdtar" ]]; then
		$cmd -xf "$file" || ret=$?
	else
		rm -f -- "${file%.*}"
		$cmd -dcf -- "$file" > "${file%.*}" || ret=$?
	fi
	if (( ret )); then
		error "$(gettext "Failed to extract %s")" "$file"
		plain "$(gettext "Aborting...")"
		exit 1
	fi

	if (( EUID == 0 )); then
		# change perms of all source files to root user & root group
		chown -R 0:0 "$srcdir"
	fi
}