summaryrefslogtreecommitdiffstats
path: root/ch
blob: 2715d8f77c3fea3bce84fba2d03d5c37e881cf3a (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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
#!/bin/bash

set -e

# ch build <id> ...    build the current package for multiple chroots
# ch build-single <id> [<arguments]
#                      build the current package for one chroot and pass arguments to makechrootpkg
# ch clean             remove all working copies
# ch clean <id>        remove all working copies of this chroot
# ch clean-single <id> remove only this specific working copy
# ch cbuild <id> ...   clean-single then build
# ch install <id> <package files>...
#                      install the package files in the chroot
# ch kill <id>         remove a chroot (including master chroot)
# ch kill all          remove all chroots (including master chroot)
# ch update <id> ...   update a chroot
# ch update            update all chroots
# ch list              lists all existing master chroots
# ch shell <id> [command ...]
#                      spawn a shell/run command in a chroot
# ch shell-bind <id> [command ...]
#                      spawn a shell/run command in a chroot and bind $PWD from the host to /pwd in the chroot
# ch rshell <id> [command ...]
#                      spawn a shell/run command in the master chroot
# ch repack <id> ...   repack (makepkg -R)

# IDs work like this:
# 64    = 64bit extra
# 64t   = 64bit testing
# 64ml  = 64bit multilib
# 64mlt = 64bit multilib testing
#
# 64+foo = 64 extra, but different working copy

# functions for building chroots
CHROOTS="/mnt/chroots/arch"

shopt -s nullglob

umask 022

__genchroot() {
	sudo btrfs subvolume snapshot "$chrootdir/root" "$copydir"
}

__chrootalias_resolve() {
	chroot=""
	chroot_arch=""
	arg_arch=${1%%+*}
	arg_copy="$USER+$1"
	arg_copy=${arg_copy//+/-}

	case $arg_arch in
		32*)
			chroot_arch=32
			case $arg_arch in
				32) chroot=extra-i686;;
				32t) chroot=testing-i686;;
				32s) chroot=staging-i686;;
			esac
			;;
		64*)
			chroot_arch=64;
			case $arg_arch in
				64) chroot=extra-x86_64;;
				64t) chroot=testing-x86_64;;
				64s) chroot=staging-x86_64;;
				64ml) chroot=multilib-x86_64;;
				64mlt) chroot=multilib-testing-x86_64;;
				64mls) chroot=multilib-staging-x86_64;;
			esac
			;;
		*)
			chroot=$arg_arch
			case $arg_arch in
				*-i686) chroot_arch=32;;
				*-x86_64|multilib*) chroot_arch=64;;
			esac
	esac

	if [[ -z $chroot || -z $chroot_arch ]]; then
		echo "failed to determine chroot for \"$arg_arch\""
		return 1
	fi

	chrootdir="$CHROOTS/$chroot"
	copydir="$chrootdir/$arg_copy"
}

__chrootalias_resolve_create() {
	__chrootalias_resolve "$1"

	local -a packages=(base-devel)
	local chroot_repo=${chroot%-*}

	if [[ $chroot = multilib* ]]; then
		packages+=(multilib-devel)
	fi

	local arch
	case "$chroot_arch" in
		32) arch=i686;;
		64) arch=x86_64;;
	esac

	# create chroot if necessary
	if [[ ! -d "$chrootdir/root" ]]; then
		# from archbuild (devtools)
		sudo mkdir -p "$chrootdir"
		setarch "${arch}" mkarchroot \
			-C "/usr/share/devtools/pacman-${chroot_repo}.conf" \
			-M "/usr/share/devtools/makepkg-${arch}.conf" \
			"$chrootdir/root" \
			"${packages[@]}"
	fi
}

__cleanup_logs() {
	mkdir -p "$1/logs"
	mv "$1/"*.log "$1/"*.log.* "$1/logs/" || return
	gzip -f "$1/logs/"*.log "$1/logs/"*.log.{1,2,3,4,5,6,7,8,9}
}

chkill() {
	if [[ $1 = all ]]; then
		for chrootdir in "$CHROOTS/"*/; do
			chkill "$(basename "$chrootdir")"
		done
		return
	fi

	__chrootalias_resolve "$1" || return
	for dir in "$CHROOTS/$chroot/"*/; do
		sudo btrfs subvolume delete "$dir"
	done
	sudo rm -rf "$CHROOTS/$chroot"
}

chshell() {
	__chrootalias_resolve_create "$1" || return
	[ -d "$copydir" ] || __genchroot
	sudo arch-nspawn "$copydir" "${2:-/bin/bash}" "${@:3}"
}

chbuild() {
	__chrootalias_resolve_create "$1" || return
	linux${chroot_arch} sudo makechrootpkg -l "${copydir##*/}" -r "$chrootdir" -n -- -f "${@:2}" || return
	chshell "$1" pacman --noconfirm -Rcs namcap
	__cleanup_logs "$PWD"
}

chinstall() {
	__chrootalias_resolve_create "$1" || return; shift
	for file in "$@"; do
		files+=(-I "$(readlink -f "$file")")
	done
	cd /var/empty
	linux${chroot_arch} sudo makechrootpkg -l "${copydir##*/}" -r "$chrootdir" "${files[@]}"
}

chclean() {
	__chrootalias_resolve_create "$1" || return
	for copy in $chrootdir/*/; do
		if [[ $copy = */root/ ]]; then
			continue
		fi

		sudo btrfs subvolume delete "$copy/var/lib/machines" || true
		sudo btrfs subvolume delete "$copy"
		sudo rm -f "${copy%/}.lock"
	done
}

chclean-single() {
	__chrootalias_resolve_create "$1" || return
	if [[ -e $copydir ]]; then
		sudo btrfs subvolume delete "$copydir/var/lib/machines" || true
		sudo btrfs subvolume delete "$copydir"
		sudo rm -f "${copydir%/}.lock"
	fi
}

chrshell() {
	__chrootalias_resolve_create "$1" || return
	sudo arch-nspawn "$chrootdir/root" "${2:-/bin/bash}" "${@:3}"
}

chupdate() {
	__chrootalias_resolve_create "$1" || return
	echo ":: Updating $chroot"
	sudo arch-nspawn "$chrootdir/root" pacman -Syu --noconfirm
	echo ":: Cleaning up ..."
	chclean "$1"
}

command=$1; shift
case $command in
	repack)
		for arg; do
			chbuild "$arg" -R
		done
		;;
	cbuild)
		for arg; do
			chclean-single "$arg"
			chbuild "$arg"
		done
		;;
	build)
		for arg; do
			chbuild "$arg"
		done
		;;
	build-single)
		chbuild "$@"
		;;
	update)
		if [[ $# = 0 ]]; then
			for chrootdir in "$CHROOTS/"*/; do
				chupdate "$(basename "$chrootdir")"
			done
		else
			for arg; do
				chupdate "$arg"
			done
		fi
		;;
	clean)
		if [[ $# = 0 ]]; then
			for chrootdir in "$CHROOTS/"*/; do
				chclean "$(basename "$chrootdir")"
			done
		else
			for arg; do
				chclean "$arg"
			done
		fi
		;;
	clean-single)
		for arg; do
			chclean-single "$arg"
		done
		;;
	kill)
		for arg; do
			chkill $arg
		done
		;;
	shell) chshell "$@";;
	shell-bind) chshell "$@" --bind-ro="$PWD:/pwd";;
	rshell) chrshell "$@";;
	install) chinstall "$@";;
	list)
		for chrootdir in "$CHROOTS/"*/; do
			basename "$chrootdir"
			for copydir in "$chrootdir/"*/; do
				dirname=$(basename "$copydir")
				if [[ $dirname != "root" ]]; then
					printf "    %s\n" "$dirname"
				fi
			done
		done
		;;
	*) printf "Unknown command %s\n" "$command";;
esac