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#
28############################################################ INCLUDES
29
30BSDCFG_SHARE="/usr/share/bsdconfig"
31. $BSDCFG_SHARE/common.subr || exit 1
32f_dprintf "%s: loading includes..." packages/musthavepkg.subr
33f_include $BSDCFG_SHARE/dialog.subr
34f_include $BSDCFG_SHARE/mustberoot.subr
35
36############################################################ FUNCTIONS
37
38# f_musthavepkg_init
39#
40# Validate pkg(8) is installed and set $PKG_ABI global if not already set.
41# Returns success unless pkg(8) is not installed and user refuses to install
42# it (upon prompt when running interactively).
43#
44f_musthavepkg_init()
45{
46	local funcname=f_musthavepkg_init
47	local pkg_abi_awk=' # BEGIN-AWK
48		$1 ~ /^ABI/ && $0 = $NF, sub(/^"/, "") && sub(/".*/, "") {
49			print; found = 1; exit
50		} END { exit ! found }
51	' # END-AWK
52
53	if [ "$PKG_ABI" ]; then # Already set
54		f_dprintf "PKG_ABI=[%s]" "$PKG_ABI"
55		export PKG_ABI
56		f_quietly pkg -N -vv # return status (pkg(8) functional?)
57		return $?
58	fi
59
60	# Attempt to get PKG_ABI without prematurely bootstrapping pkg(8)
61	if f_eval_catch -k PKG_ABI $funcname pkg \
62		"pkg -N -vv | awk '%s'" "$pkg_abi_awk"
63	then
64		f_dprintf "PKG_ABI=[%s]" "$PKG_ABI"
65		export PKG_ABI
66		return $SUCCESS
67	fi
68
69	# pkg(8) not yet bootstrapped; ask for permission unless nonInteractive
70	f_dialog_yesno "$msg_pkg_not_yet_installed_install_now" ||
71		f_die 1 "$msg_must_have_pkg_to_execute" "$pgm"
72
73	f_mustberoot_init # Have to be root to install pkg(8)
74
75	# Bootstrap pkg(8)
76	f_dialog_info "$msg_bootstrapping_pkg"
77	f_eval_catch -k PKG_ABI $funcname pkg \
78		"ASSUME_ALWAYS_YES=1 pkg -vv | awk '%s'" "$pkg_abi_awk" ||
79		f_die 1 "$msg_must_have_pkg_to_execute" "$pgm"
80
81	f_dprintf "PKG_ABI=[%s]" "$PKG_ABI"
82	export PKG_ABI
83	return $SUCCESS
84}
85
86############################################################ MAIN
87
88f_dprintf "%s: Successfully loaded." packages/musthavepkg.subr
89
90fi # ! $_PACKAGES_MUSTHAVEPKG_SUBR
91