Significantly refactor build-cd script, and add a man page woo

1 files changed, 350 insertions, 0 deletions

diff --git a/adelie-build-cd b/adelie-build-cd
new file mode 100755
index 0000000..0a7ee3d
--- /dev/null
+++ b/adelie-build-cd
@@ -0,0 +1,350 @@
+#!/bin/sh
+
+def_arch=$(uname -m)
+declare -r PROGNAME=$(basename $0)
+
+
+warn() {
+    printf '>>> '
+    printf '\033[01;33mWARNING\033[00;39m '
+    printf '>>> '
+    printf '\033[01;33mWARNING\033[00;39m '
+    printf '>>> '
+    printf '\033[01;33mWARNING\033[00;39m '
+    printf '>>> '
+    printf '\033[01;33mWARNING\033[00;39m '
+    printf '>>>\n'
+}
+
+
+fatal() {
+    printf '>>> '
+    printf '\033[01;31mERROR\033[00;39m '
+    printf '>>> '
+    printf '\033[01;31mERROR\033[00;39m '
+    printf '>>> '
+    printf '\033[01;31mERROR\033[00;39m '
+    printf '>>> '
+    printf '\033[01;31mERROR\033[00;39m '
+    printf '>>>\n'
+}
+
+
+ensure_commands() {
+    if ! type apk>/dev/null; then
+        fatal
+        printf 'You must have apk installed.  On Gentoo, see sys-devel/apk-tools.\n'
+        exit -1
+    fi
+
+    if ! type cpio>/dev/null; then
+        fatal
+        printf 'You must have cpio installed.  On Gentoo, see app-arch/cpio.\n'
+        exit -1
+    fi
+
+    if ! type mksquashfs>/dev/null; then
+        fatal
+        printf 'You must have mksquashfs installed.  On Gentoo, see sys-fs/squashfs-tools.\n'
+        exit -1
+    fi
+
+    if ! type mkisofs>/dev/null; then
+        fatal
+        printf 'You must have mkisofs installed.  Try cdrtools or cdrkit.\n'
+        exit -1
+    fi
+}
+
+
+usage() {
+    printf 'usage: %s [-a ARCH] [-f|--full] [-p|--phase PHASE] [--help]\n\n' $PROGNAME
+    printf 'Create an Adélie Linux CD image (.ISO) using the specified parameters.\n'
+    printf 'Default ARCH: %s\n' $def_arch
+    printf 'Valid phases: clean install initrd iso all\n'
+}
+
+
+while [ -n "$1" ]; do
+    case $1 in
+        -a | --arch)
+            shift
+            declare -r MY_ARCH=$1
+            ;;
+        -h | --help)
+            usage
+            exit
+            ;;
+	-f | --full)
+	    shift
+	    declare -r DO_FULL=full
+	    ;;
+	-p | --phase)
+	    shift
+	    declare -r PHASE=$1
+	    ;;
+        *)
+            usage >&2
+            exit -1
+            ;;
+    esac
+    shift
+done
+
+set -a
+declare -r ARCH=${MY_ARCH:-$def_arch}
+declare -r LDARCH=${LDARCH:-$ARCH}
+declare -r PHASE=${PHASE:-all}
+set +a
+
+ensure_commands
+
+header() {
+	printf '\033[01;32m * \033[37m%s\033[00;39m\n' "$1"
+}
+
+header 'Adélie Linux CD Creation Tool'
+printf '\n'
+
+clean_dirs() {
+	warn
+	printf 'This will erase all files at the directories %s/cdroot-%s\n' `pwd` $ARCH
+	printf '%s/initrd-%s and %s/squashroot-%s.\n\n' `pwd` $ARCH `pwd` $ARCH
+	printf 'When you are ready, press RETURN.  To cancel, press Ctrl-C.\n'
+	read
+
+	rm -rf cdroot-$ARCH
+	rm -rf initrd-$ARCH
+	rm -rf squashroot-$ARCH
+	mkdir cdroot-$ARCH
+	mkdir initrd-$ARCH
+	mkdir squashroot-$ARCH
+}
+
+install_pkgs() {
+	header "Installing base system to squash root..."
+
+	declare -r PACKAGES="
+		shadow \
+		libffi \
+		adelie-base \
+		bash \
+		openrc openrc-openrc \
+		hwids eudev udev-init-scripts-openrc \
+		parted \
+		lvm2-openrc \
+		easy-kernel easy-kernel-modules easy-kernel-firmware genkernel \
+		dhcpcd net-tools bind-tools s6-dns \
+		ca-certificates \
+		rfkill wireless-tools wpa_supplicant \
+		pciutils libusb1 usbutils \
+		hdparm \
+		less \
+		bzip2 \
+		netifrc netifrc-doc netifrc-openrc \
+		diskdev_cmds hfsutils mtools
+		dropbear dropbear-openrc openssh openssh-openrc
+	"
+
+	declare -r ARCH_PKGS=$(cat packages-$ARCH 2>/dev/null || echo '')
+
+	mkdir -p squashroot-$ARCH/etc/apk/keys
+	cp 'packages@adelielinux.org.pub' squashroot-$ARCH/etc/apk/keys/
+	apk --arch $ARCH -X "https://distfiles.adelielinux.org/adelie/1.0-alpha/$EXTRA_MIRROR" -U --root squashroot-$ARCH --initdb add $PACKAGES $ARCH_PKGS
+}
+
+make_structure() {
+	mkdir -p squashroot-$ARCH/home/live
+	mkdir squashroot-$ARCH/target
+	mkdir -p squashroot-$ARCH/media/live
+	ln -s /bin/bash squashroot-$ARCH/bin/sh
+
+	echo 'hostname="adelie"' > squashroot-$ARCH/etc/conf.d/hostname
+	echo 'mtab_is_file=no' > squashroot-$ARCH/etc/conf.d/mtab
+
+	cp -RPp squashroot-$ARCH/usr/share/openrc/runlevels squashroot-$ARCH/etc/runlevels
+	ln -s /etc/init.d/udev squashroot-$ARCH/etc/runlevels/sysinit/udev
+	ln -s /etc/init.d/udev-trigger squashroot-$ARCH/etc/runlevels/sysinit/udev-trigger
+	ln -s /etc/init.d/lvmetad squashroot-$ARCH/etc/runlevels/sysinit/lvmetad
+
+	cat >squashroot-$ARCH/etc/fstab <<- FSTAB
+		# Welcome to Adélie Linux.
+		# This fstab(5) is for the live media only.  Do not edit or use for your installation.
+
+		tmpfs	/tmp		tmpfs	defaults	0	1
+		tmpfs	/var/log	tmpfs	size=8m		0	1
+		tmpfs	/root		tmpfs	size=16m	0	1
+		tmpfs	/home/live	tmpfs	size=16m	0	1
+		proc	/proc		proc	defaults	0	1
+	FSTAB
+
+	cat >squashroot-$ARCH/etc/passwd <<- PASSWD
+		root:x:0:0:Charlie Root:/root:/bin/bash
+		man:x:13:15:man-db:/usr/share/man:/sbin/nologin
+		sshd:x:22:22:SSH daemon:/var/empty:/sbin/nologin
+		at:x:25:25:at:/var/spool/at/atjobs:/sbin/nologin
+		fcron:x:101:206:fcron:/dev/null:/sbin/nologin
+		messagebus:x:103:203:DBus unprivileged user:/dev/null:/sbin/nologin
+		polkit:x:104:202:PolicyKit unprivileged user:/dev/null:/sbin/nologin
+		rtkit:x:105:200:RTKit unprivileged user:/dev/null:/sbin/nologin
+		postfix:x:207:207:postfix:/var/spool/postfix:/sbin/nologin
+		live:x:1000:1000:Live User:/home/live:/bin/bash
+	PASSWD
+
+	cat >squashroot-$ARCH/etc/group <<- GROUP
+		root:x:0:
+		tty:x:5:
+		wheel:x:10:live
+		mail:x:12:postfix
+		uucp:x:14:
+		cron:x:16:
+		audio:x:18:
+		sshd:x:22:
+		at:x:25:
+		rtkit:x:200:
+		plugdev:x:201:
+		polkitd:x:202:
+		messagebus:x:203:
+		input:x:205:
+		fcron:x:206:
+		postfix:x:207:
+		postdrop:x:208:
+		postmaster:x:249:
+		utmp:x:406:
+		live:x:1000:
+	GROUP
+
+	cat >squashroot-$ARCH/etc/shadow <<- SHADOW
+		root::::::::
+		man::::::::
+		sshd::::::::
+		at::::::::
+		fcron::::::::
+		messagebus::::::::
+		polkit::::::::
+		rtkit::::::::
+		postfix::::::::
+		live::::::::
+	SHADOW
+
+	cat >squashroot-$ARCH/etc/shells <<- SHELLS
+		/bin/bash
+		/bin/zsh
+	SHELLS
+
+	cat >squashroot-$ARCH/etc/resolv.conf <<- RESOLVE
+		nameserver 84.200.69.80
+		nameserver 2001:1608:10:25::1c04:b12f
+	RESOLVE
+
+	cat >squashroot-$ARCH/etc/apk/repositories <<-REPOS
+		https://distfiles.adelielinux.org/adelie/1.0-alpha/$EXTRA_MIRROR
+	REPOS
+
+	cat >squashroot-$ARCH/etc/issue <<-ISSUE
+		Welcome to Adélie Linux!
+		You may log in as 'root' to install, or 'live' to play around.
+
+		Have fun.
+
+	ISSUE
+
+	chmod 600 squashroot-$ARCH/etc/shadow
+
+	if test -n "${DO_FULL+full}"; then
+		declare -r PACKAGES_DIR=squashroot-$ARCH/packages/$ARCH
+		mkdir -p $PACKAGES_DIR
+		apk --arch $ARCH --root squashroot-$ARCH fetch -o $PACKAGES_DIR $(apk --root squashroot-$ARCH info)
+		if test -n "${SIGNING_KEY+use_key}"; then
+			apk index -o .tmp.APKINDEX.unsigned.tar.gz $PACKAGES_DIR/*.apk
+			openssl dgst -sha256 -sign $SIGNING_KEY -out .SIGN.RSA.packages\@adelielinux.org.pub .tmp.APKINDEX.unsigned.tar.gz
+			tar cf .tmp.signature.tar .SIGN.RSA.packages\@adelielinux.org.pub
+			cat .tmp.signature.tar | abuild-tar --cut | gzip -9 > .tmp.signature.tar.gz
+			cat .tmp.signature.tar.gz .tmp.APKINDEX.unsigned.tar.gz > .tmp.APKINDEX.tar.gz
+			rm .tmp.APKINDEX.unsigned.tar.gz .tmp.signature.tar.gz .tmp.signature.tar .SIGN.RSA.packages\@adelielinux.org.pub
+			mv .tmp.APKINDEX.tar.gz $PACKAGES_DIR/APKINDEX.tar.gz
+		fi
+	fi
+
+	cp AdelieTux.icns cdroot-$ARCH/.VolumeIcon.icns
+}
+
+squash_it() {
+	header 'Creating compressed file system image...'
+
+	mksquashfs squashroot-$ARCH cdroot-$ARCH/adelie.squashfs
+}
+
+make_initrd() {
+	header 'Creating initrd structure...'
+
+	# mount points
+	mkdir initrd-$ARCH/dev
+	mkdir initrd-$ARCH/media
+	mkdir initrd-$ARCH/newroot
+	mkdir initrd-$ARCH/proc
+	mkdir initrd-$ARCH/sys
+
+	# manual /dev nodes for initial udev startup
+	mknod -m 600 initrd-$ARCH/dev/console c 5 1
+	mknod -m 666 initrd-$ARCH/dev/null c 1 3
+	mknod -m 666 initrd-$ARCH/dev/ptmx c 5 2
+	mknod -m 666 initrd-$ARCH/dev/random c 1 8
+	mknod -m 666 initrd-$ARCH/dev/tty c 5 0
+	mknod -m 620 initrd-$ARCH/dev/tty1 c 4 1
+	mknod -m 666 initrd-$ARCH/dev/urandom c 1 9
+	mknod -m 666 initrd-$ARCH/dev/zero c 1 5
+
+	# base
+	mkdir initrd-$ARCH/lib
+	cp squashroot-$ARCH/usr/lib/libc.so initrd-$ARCH/lib/ld-musl-$LDARCH.so.1
+	cp squashroot-$ARCH/lib/libblkid.so.1 initrd-$ARCH/lib/
+	cp squashroot-$ARCH/lib/libuuid.so.1 initrd-$ARCH/lib/
+
+	# udev
+	mkdir -p initrd-$ARCH/etc/udev
+	mkdir initrd-$ARCH/run
+	mkdir initrd-$ARCH/sbin
+	cp squashroot-$ARCH/bin/udevadm initrd-$ARCH/sbin/
+	cp squashroot-$ARCH/sbin/udevd initrd-$ARCH/sbin/
+	cp squashroot-$ARCH/lib/libkmod.so.2 initrd-$ARCH/lib/
+	cp squashroot-$ARCH/lib/libudev.so.1 initrd-$ARCH/lib/
+	cp squashroot-$ARCH/etc/udev/hwdb.bin initrd-$ARCH/etc/udev/
+
+	# init
+	cp cdinit-$ARCH initrd-$ARCH/init
+
+	header 'Compressing initrd...'
+
+	pushd initrd-$ARCH
+	find . | cpio -H newc -o > ../cdroot-$ARCH/initrd
+	popd
+	gzip -9 cdroot-$ARCH/initrd
+	mv cdroot-$ARCH/initrd.gz cdroot-$ARCH/initrd
+}
+
+prepare_cdroot() {
+	header 'Adding kernel...'
+
+	cp squashroot-$ARCH/boot/vmlinu* cdroot-$ARCH/bzImage
+
+	if test -f post-$ARCH.sh; then
+		header 'Running architecture-specific scripts...'
+		sh post-$ARCH.sh
+	fi
+}
+
+create_iso() {
+	header 'Creating the CD...'
+
+	declare -r CD_PARAMS=$(cat iso-params-$ARCH)
+	mkisofs -o adelie-${DO_FULL:-live}-$ARCH-1.0-ALPHA2-$(date +%Y%m%d).iso -joliet -rational-rock -V "Adelie 1.0a2 $ARCH" ${CD_PARAMS} cdroot-$ARCH
+}
+
+#clean_dirs
+#install_pkgs
+#make_structure
+#squash_it
+#make_initrd
+prepare_cdroot
+create_iso