1if [ ! "$_PACKAGES_MUSTHAVEPKG_SUBR" ]; then _PACKAGES_MUSTHAVEPKG_SUBR=1
2#
3# Copyright (c) 2014-2016 Devin Teske
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14#
15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25# SUCH DAMAGE.
26#
27# $FreeBSD$
28#
29############################################################ INCLUDES
30
31BSDCFG_SHARE="/usr/share/bsdconfig"
32. $BSDCFG_SHARE/common.subr || exit 1
33f_dprintf "%s: loading includes..." packages/musthavepkg.subr
34f_include $BSDCFG_SHARE/dialog.subr
35f_include $BSDCFG_SHARE/mustberoot.subr
36
37############################################################ FUNCTIONS
38
39# f_musthavepkg_init
40#
41# Validate pkg(8) is installed and set $PKG_ABI global if not already set.
42# Returns success unless pkg(8) is not installed and user refuses to install
43# it (upon prompt when running interactively).
44#
45f_musthavepkg_init()
46{
47	local funcname=f_musthavepkg_init
48	local pkg_abi_awk=' # BEGIN-AWK
49		$1 ~ /^ABI/ && $0 = $NF, sub(/^"/, "") && sub(/".*/, "") {
50			print; found = 1; exit
51		} END { exit ! found }
52	' # END-AWK
53
54	if [ "$PKG_ABI" ]; then # Already set
55		f_dprintf "PKG_ABI=[%s]" "$PKG_ABI"
56		export PKG_ABI
57		f_quietly pkg -N -vv # return status (pkg(8) functional?)
58		return $?
59	fi
60
61	# Attempt to get PKG_ABI without prematurely bootstrapping pkg(8)
62	if f_eval_catch -k PKG_ABI $funcname pkg \
63		"pkg -N -vv | awk '%s'" "$pkg_abi_awk"
64	then
65		f_dprintf "PKG_ABI=[%s]" "$PKG_ABI"
66		export PKG_ABI
67		return $SUCCESS
68	fi
69
70	# pkg(8) not yet bootstrapped; ask for permission unless nonInteractive
71	f_dialog_yesno "$msg_pkg_not_yet_installed_install_now" ||
72		f_die 1 "$msg_must_have_pkg_to_execute" "$pgm"
73
74	f_mustberoot_init # Have to be root to install pkg(8)
75
76	# Bootstrap pkg(8)
77	f_dialog_info "$msg_bootstrapping_pkg"
78	f_eval_catch -k PKG_ABI $funcname pkg \
79		"ASSUME_ALWAYS_YES=1 pkg -vv | awk '%s'" "$pkg_abi_awk" ||
80		f_die 1 "$msg_must_have_pkg_to_execute" "$pgm"
81
82	f_dprintf "PKG_ABI=[%s]" "$PKG_ABI"
83	export PKG_ABI
84	return $SUCCESS
85}
86
87############################################################ MAIN
88
89f_dprintf "%s: Successfully loaded." packages/musthavepkg.subr
90
91fi # ! $_PACKAGES_MUSTHAVEPKG_SUBR
92