From 68a03488ea9c738baff5c1d459707b1e7f3c2bb3 Mon Sep 17 00:00:00 2001
From: fbt <fbt@fleshless.org>
Date: Mon, 10 Nov 2014 05:25:22 +0300
Subject: [PATCH] init

---
 builder-chroot.cfg.sh | 40 ++++++++++++++++++++++
 builder-chroot.sh     | 42 +++++++++++++++++++++++
 makepkg-chroot.sh     | 62 ++++++++++++++++++++++++++++++++++
 mount-chroot.sh       | 77 +++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 221 insertions(+)
 create mode 100755 builder-chroot.cfg.sh
 create mode 100755 builder-chroot.sh
 create mode 100755 makepkg-chroot.sh
 create mode 100755 mount-chroot.sh

diff --git a/builder-chroot.cfg.sh b/builder-chroot.cfg.sh
new file mode 100755
index 0000000..ddcc2b8
--- /dev/null
+++ b/builder-chroot.cfg.sh
@@ -0,0 +1,40 @@
+# The config for building packages in chroots
+
+cfg_git_repo="$HOME/git/pkgbuilds.git"
+
+cfg_build_dir="/tmp/build"
+cfg_repos_dir="$HOME/public"
+cfg_chroot_dir="/tmp/chroot/build"
+
+export GIT_DIR='.git'
+
+cfg_repos=( 'spark' 'spark-extra' )
+
+cfg_packages=(
+	'spark:spark-rc'
+	'spark:sinit-spark'
+	'spark:smdev'
+	'spark:watchman-sm'
+	'spark:watchman-sm-services-git'
+	'spark:xorg-noudev-conf'
+
+	'spark-extra:zpm'
+	'spark-extra:package-query'
+	
+	'spark-extra:eudev'
+	
+	'spark-extra:libsystemd-standalone'
+	'spark-extra:systemd-dummy'
+	'spark-extra:uselessd'
+	
+	'spark-extra:scron'
+	'spark-extra:sdhcp'
+	'spark-extra:chromium-pepper-flash'
+	'spark-extra:vte3-select-text'
+	'spark-extra:termite'
+	'spark-extra:sinit-sysvcompat'
+	'spark-extra:posh'
+	'spark-extra:teamviewer8'
+)
+
+# 'spark-extra:cjdns-git'
diff --git a/builder-chroot.sh b/builder-chroot.sh
new file mode 100755
index 0000000..2933549
--- /dev/null
+++ b/builder-chroot.sh
@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+# A simple script to build packages into multiple repos
+
+err() { echo "$1" >&2; }
+
+build_pkg() {
+	local makepkg_output makepkg_exit_code makepkg_status
+
+	IFS=':' read repo package <<< "$1"
+
+	[[ -d "${cfg_build_dir}/${package}" ]] || {
+		err "Package ${package} doesn't exist in ${cfg_build_dir}"
+		return 1
+	}
+
+	[[ -d "${cfg_repos_dir}/${repo}" ]] || {
+		echo "Creating ${cfg_repos_dir}/${repo}"
+		mkdir -p "${cfg_repos_dir}/${repo}" || {
+			return 1
+		}
+	}
+
+	echo -n "Building ${package}... "
+
+	cd "${cfg_build_dir}/${package}"
+	sudo /usr/local/bin/makepkg-chroot.sh "${cfg_build_dir}/${package}.chroot" "${cfg_repos_dir}/${repo}"
+}
+
+main() {
+	source 'builder-chroot.cfg.sh'
+
+	for i in "${cfg_packages[@]}"; do
+		build_pkg "$i"
+	done
+
+	for i in "${cfg_repos[@]}"; do
+		cd "${cfg_repos_dir}/${i}"
+		repo-add -n "$i.db.tar.gz" *.pkg.tar.xz
+	done
+}
+
+main
diff --git a/makepkg-chroot.sh b/makepkg-chroot.sh
new file mode 100755
index 0000000..c932ee1
--- /dev/null
+++ b/makepkg-chroot.sh
@@ -0,0 +1,62 @@
+#!/usr/bin/env bash
+
+# Config
+chroot_base='/var/chroot/root'
+
+# Functions
+icat() {
+	while read; do
+		echo -e "$REPLY"
+	done
+}
+
+build_script() {
+	icat <<- EOF
+		#!/bin/sh
+
+		pacman -Sy &>pacman.log
+
+		cd '/build'; chown builder:wheel /build
+		sudo -u builder PKGDEST='/pkg' makepkg -s --noconfirm -L &>makepkg.log
+
+		makepkg_exit="\$?"
+
+		case "\$makepkg_exit" in
+			0) echo 'ok';;
+			17) echo 'already built';;
+			*) echo 'FAIL';;
+		esac
+
+		exit "\$makepkg_exit"
+	EOF
+}
+
+main() {
+	chroot_dir="$1"
+	pkg_dest_dir="$2"
+	workdir="$PWD"
+
+	[[ "${chroot_dir}" ]] || { usage; exit 1; }
+
+	/usr/local/bin/mount-chroot.sh -s "$chroot_base" -n 'chroot_build' "$chroot_dir"
+
+	mkdir -m777 "$chroot_dir/pkg" "$chroot_dir/build"
+
+	mount --bind "$workdir" "$chroot_dir/build"
+	mount --bind "$pkg_dest_dir" "$chroot_dir/pkg"
+
+	build_script > "${chroot_dir}/build/build.sh"
+
+	#chmod 755 "${chroot_dir}/build/build.sh"
+	chroot "${chroot_dir}" sh /build/build.sh
+
+	if /usr/local/bin/mount-chroot.sh -u "$chroot_dir"; then
+		rm -r "${chroot_dir}"{,.work}
+	else
+		err "Cannot unmount $chroot_dir"
+		exit 1
+	fi
+}
+
+main "$@"
+
diff --git a/mount-chroot.sh b/mount-chroot.sh
new file mode 100755
index 0000000..e4b778c
--- /dev/null
+++ b/mount-chroot.sh
@@ -0,0 +1,77 @@
+#!/usr/bin/env bash
+
+err() { echo "$1" >&2; }
+
+usage() {
+cat <<- EOF
+	Usage: "${0##*/}" [options] <chroot>
+	Options:
+		-s	chroot base dir
+		-n	mount name
+		-u	unmount chroot
+EOF
+}
+
+chroot.mount() {
+	for i in "$target_dir" "$chroot_base"; do
+		[[ "$i" ]] || {
+			usage
+			return 1
+		}
+	done
+
+	[[ -d "$chroot_base" ]] || {
+		err "Chroot base ($chroot_base) does not exist."
+		return 1
+	}
+
+	mount_name="${mount_name:-chroot}"
+
+	for i in "$target_dir" "${target_dir}.work"; do
+		[[ -d "$i" ]] || {
+			mkdir -p "$i" || {
+				return 3
+			}
+		}
+	done
+
+	mount -t overlayfs -o lowerdir="$chroot_base",upperdir="$target_dir",workdir="${target_dir}.work" "$mount_name" "$target_dir"
+	mount -t proc "${mount_name}_proc" "${target_dir}/proc"
+	mount --rbind /dev "${target_dir}/dev"
+	mount --rbind /sys "${target_dir}/sys"
+}
+
+chroot.umount() {
+	umount --recursive "$target_dir"
+}
+
+main() {
+	while [[ "$1" ]]; do
+		case "$1" in
+			-s) chroot_base="$2"; shift;;
+			-n) mount_name="$2"; shift;;
+			-u) action='umount';;
+
+			--) shift; break;;
+			-*)
+				err "Unknown key: $1"
+				usage
+				return 1
+			;;
+			*) break;;
+		esac
+		shift
+	done
+
+	target_dir="$1"
+	action="${action:-mount}"
+	mount_name="${mount_name:-chroot}"
+
+	case "$action" in
+		mount) chroot.mount;;
+		umount) chroot.umount;;
+	esac
+}
+
+main "$@"
+