Add ch

Signed-off-by: Florian Pritz <bluewind@xinu.at>

1 files changed, 178 insertions, 0 deletions

diff --git a/ch b/ch
new file mode 100755
index 0000000..d7393b2
--- /dev/null
+++ b/ch
@@ -0,0 +1,178 @@
+#!/bin/bash
+
+# ch build <id>...     build the current package for multiple chroots
+# ch clean             remove all working copies
+# ch install <id> <package files>...  install the package files in the chroot
+# ch kill all          remove all chroots (including master chroot)
+# ch update            update all chroots
+
+# 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"
+
+__genchroot() {
+	sudo btrfs subvolume snapshot "$chrootdir/root" "$copydir"
+}
+
+__chrootalias() {
+	chroot=""
+	chroot_arch=""
+	arg_arch=${1%%+*}
+	arg_copy="$USER+$1"
+
+	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"
+
+	# create chroot if necessary
+	if [[ ! -d "$chrootdir/root" ]]; then
+		# fix command for multilib
+		case $chroot in
+			multilib*) chroot_cmd="${chroot%%-x86_64}";;
+			*) chroot_cmd="$chroot";;
+		esac
+		cd /var/empty
+		sudo "${chroot_cmd}-build" -c -r "$CHROOTS" || true
+		cd -
+	fi
+}
+
+chkill() {
+	if [[ $1 = all ]]; then
+		for chrootdir in "$CHROOTS/"*/; do
+			chkill "$(basename "$chrootdir")"
+		done
+		return
+	fi
+
+	__chrootalias "$1" || return
+	for dir in "$CHROOTS/$chroot/"*/; do
+		sudo btrfs subvolume delete "$dir"
+	done
+	sudo rm -rf "$CHROOTS/$chroot"
+}
+
+chshell() {
+	__chrootalias "$1" || return
+	[ -d "$copydir" ] || __genchroot
+	linux${chroot_arch} sudo mkarchroot -r "${2:-/bin/bash}" "$copydir"
+}
+
+chbuild() {
+	__chrootalias "$1" || return
+	linux${chroot_arch} sudo makechrootpkg -l "${copydir##*/}" -r "$chrootdir" -n -- -f
+	chshell "$1" "pacman --noconfirm -Rcs namcap"
+}
+
+chinstall() {
+	__chrootalias $1 || return; shift
+	for file in "$@"; do
+		files+=("$(readlink -f "$file")")
+	done
+	cd /var/empty
+	linux${chroot_arch} sudo makechrootpkg -l "${copydir##*/}" -r "$chrootdir" -I "${files[@]}"
+}
+
+chclean() {
+	__chrootalias $1 || return
+	for copy in $chrootdir/*/; do
+		if [[ $copy = */root/ ]]; then
+			continue
+		fi
+
+		sudo btrfs subvolume delete "$copy"
+		sudo rm -f "${copy%/}.lock"
+	done
+}
+
+chrshell() {
+	__chrootalias $1 || return
+	linux${chroot_arch} sudo mkarchroot -r ${2:-bash} "$chrootdir/root"
+}
+
+chupdate() {
+	__chrootalias $1 || return
+	echo ":: Updating $chroot"
+	linux${chroot_arch} sudo mkarchroot -u "$chrootdir/root" -- --noconfirm
+	echo ":: Cleaning up ..."
+	chclean $1
+}
+
+command=$1; shift
+case $command in
+	build)
+		for arg; do
+			chbuild "$arg"
+		done
+		;;
+	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
+		;;
+	kill)
+		for arg; do
+			chkill $arg
+		done
+		;;
+	shell) chshell "$1";;
+	rshell) chrshell "$1";;
+	install) chinstall "$@";;
+	*) printf "Unknown command %s\n" "$command";;
+esac