diff options
Diffstat (limited to 'makechrootpkg.in')
-rw-r--r-- | makechrootpkg.in | 321 |
1 files changed, 173 insertions, 148 deletions
diff --git a/makechrootpkg.in b/makechrootpkg.in index c55cab4..947efad 100644 --- a/makechrootpkg.in +++ b/makechrootpkg.in @@ -12,7 +12,7 @@ m4_include(lib/common.sh) shopt -s nullglob -makepkg_args='-s --noconfirm -L' +makepkg_args='-s --noconfirm -L --holdver' repack=false update_first=false clean_first=false @@ -70,13 +70,22 @@ while getopts 'hcur:I:l:nT' arg; do I) install_pkgs+=("$OPTARG") ;; l) copy="$OPTARG" ;; n) run_namcap=true; makepkg_args="$makepkg_args -i" ;; - T) temp_chroot=true; copy+="-$RANDOM" ;; + T) temp_chroot=true; copy+="-$$" ;; *) makepkg_args="$makepkg_args -$arg $OPTARG" ;; esac done +(( EUID != 0 )) && die 'This script must be run as root.' + +[[ ! -f PKGBUILD && -z "${install_pkgs[*]}" ]] && die 'This must be run in a directory containing a PKGBUILD.' + # Canonicalize chrootdir, getting rid of trailing / chrootdir=$(readlink -e "$passeddir") +[[ ! -d $chrootdir ]] && die "No chroot dir defined, or invalid path '$passeddir'" +[[ ! -d $chrootdir/root ]] && die "Missing chroot dir root directory. Try using: mkarchroot $chrootdir/root base-devel" + +# Detect chrootdir filesystem type +chroottype=$(stat -f -c %T "$chrootdir") if [[ ${copy:0:1} = / ]]; then copydir=$copy @@ -95,54 +104,72 @@ for arg in ${*:$OPTIND}; do fi done -if (( EUID )); then - die 'This script must be run as root.' -fi - -if [[ ! -f PKGBUILD && -z "${install_pkgs[*]}" ]]; then - die 'This must be run in a directory containing a PKGBUILD.' +if [[ -n $SUDO_USER ]]; then + USER_HOME=$(eval echo ~$SUDO_USER) +else + USER_HOME=$HOME fi -if [[ ! -d $chrootdir ]]; then - die "No chroot dir defined, or invalid path '$passeddir'" -fi +# {{{ functions +load_vars() { + local makepkg_conf="$1" var -if [[ ! -d $chrootdir/root ]]; then - die "Missing chroot dir root directory. Try using: mkarchroot $chrootdir/root base-devel" -fi + [[ -f $makepkg_conf ]] || return 1 -umask 0022 + for var in {SRC,PKG,LOG}DEST MAKEFLAGS PACKAGER; do + [[ -z ${!var} ]] && eval $(grep "^${var}=" "$makepkg_conf") + done -# Detect chrootdir filesystem type -chroottype=$(stat -f -c %T "$chrootdir") + return 0 +} -# Lock the chroot we want to use. We'll keep this lock until we exit. -lock 9 "$copydir.lock" "Locking chroot copy [$copy]" +create_chroot() { + # Lock the chroot we want to use. We'll keep this lock until we exit. + lock 9 "$copydir.lock" "Locking chroot copy [$copy]" + + if [[ ! -d $copydir ]] || $clean_first; then + # Get a read lock on the root chroot to make + # sure we don't clone a half-updated chroot + slock 8 "$chrootdir/root.lock" "Locking clean chroot" + + stat_busy "Creating clean working copy [$copy]" + if [[ "$chroottype" == btrfs ]]; then + if [[ -d $copydir ]]; then + btrfs subvolume delete "$copydir" >/dev/null || + die "Unable to delete subvolume $copydir" + fi + btrfs subvolume snapshot "$chrootdir/root" "$copydir" >/dev/null || + die "Unable to create subvolume $copydir" + else + mkdir -p "$copydir" + rsync -a --delete -q -W -x "$chrootdir/root/" "$copydir" + fi + stat_done -if [[ ! -d $copydir ]] || $clean_first; then - # Get a read lock on the root chroot to make - # sure we don't clone a half-updated chroot - slock 8 "$chrootdir/root.lock" "Locking clean chroot" + # Drop the read lock again + lock_close 8 + fi +} - stat_busy "Creating clean working copy [$copy]" +clean_temporary() { + stat_busy "Removing temporary copy [$copy]" if [[ "$chroottype" == btrfs ]]; then - if [[ -d $copydir ]]; then - btrfs subvolume delete "$copydir" >/dev/null || - die "Unable to delete subvolume $copydir" - fi - btrfs subvolume snapshot "$chrootdir/root" "$copydir" >/dev/null || - die "Unable to create subvolume $copydir" + btrfs subvolume delete "$copydir" >/dev/null || + die "Unable to delete subvolume $copydir" else - mkdir -p "$copydir" - rsync -a --delete -q -W -x "$chrootdir/root/" "$copydir" + # avoid change of filesystem in case of an umount failure + rm --recursive --force --one-file-system "$copydir" || + die "Unable to delete $copydir" fi + + # remove lock file + rm -f "$copydir.lock" stat_done +} - # Drop the read lock again - lock_close 8 -fi +install_packages() { + local pkgname -if [[ -n "${install_pkgs[*]}" ]]; then for install_pkg in "${install_pkgs[@]}"; do pkgname="${install_pkg##*/}" cp "$install_pkg" "$copydir/$pkgname" @@ -153,161 +180,159 @@ if [[ -n "${install_pkgs[*]}" ]]; then rm "$copydir/$pkgname" done - # If there is no PKGBUILD we have done + # If there is no PKGBUILD we are done [[ -f PKGBUILD ]] || exit $ret -fi - -$update_first && arch-nspawn "$copydir" pacman -Syu --noconfirm - -mkdir -p "$copydir/build" +} -# Remove anything in there UNLESS -R (repack) was passed to makepkg -$repack || rm -rf "$copydir"/build/* +prepare_chroot() { + $repack || rm -rf "$copydir/build" -# Read .makepkg.conf and .gnupg/pubring.gpg even if called via sudo -if [[ -n $SUDO_USER ]]; then - SUDO_HOME="$(eval echo ~$SUDO_USER)" - makepkg_conf="$SUDO_HOME/.makepkg.conf" - if [[ -r "$SUDO_HOME/.gnupg/pubring.gpg" ]]; then - install -D "$SUDO_HOME/.gnupg/pubring.gpg" "$copydir/build/.gnupg/pubring.gpg" + mkdir -p "$copydir/build" + if ! grep -q 'BUILDDIR="/build"' "$copydir/etc/makepkg.conf"; then + echo 'BUILDDIR="/build"' >> "$copydir/etc/makepkg.conf" fi -else - makepkg_conf="$HOME/.makepkg.conf" - if [[ -r "$HOME/.gnupg/pubring.gpg" ]]; then - install -D "$HOME/.gnupg/pubring.gpg" "$copydir/build/.gnupg/pubring.gpg" - fi -fi -# Get SRC/PKGDEST from makepkg.conf -if [[ -f $makepkg_conf ]]; then - eval $(grep '^SRCDEST=' "$makepkg_conf") - eval $(grep '^PKGDEST=' "$makepkg_conf") - eval $(grep '^MAKEFLAGS=' "$makepkg_conf") - eval $(grep '^PACKAGER=' "$makepkg_conf") -fi - -[[ -z $SRCDEST ]] && eval $(grep '^SRCDEST=' /etc/makepkg.conf) -[[ -z $PKGDEST ]] && eval $(grep '^PKGDEST=' /etc/makepkg.conf) -[[ -z $MAKEFLAGS ]] && eval $(grep '^MAKEFLAGS=' /etc/makepkg.conf) -[[ -z $PACKAGER ]] && eval $(grep '^PACKAGER=' /etc/makepkg.conf) - -# Use PKGBUILD directory if PKGDEST or SRCDEST don't exist -[[ -d $PKGDEST ]] || PKGDEST=. -[[ -d $SRCDEST ]] || SRCDEST=. - -mkdir -p "$copydir/pkgdest" -if ! grep -q 'PKGDEST="/pkgdest"' "$copydir/etc/makepkg.conf"; then - echo 'PKGDEST="/pkgdest"' >> "$copydir/etc/makepkg.conf" -fi + # Read .makepkg.conf and .gnupg/pubring.gpg even if called via sudo + if [[ -r "$USER_HOME/.gnupg/pubring.gpg" ]]; then + install -D "$USER_HOME/.gnupg/pubring.gpg" \ + "$copydir/build/.gnupg/pubring.gpg" + fi -mkdir -p "$copydir/srcdest" -if ! grep -q 'SRCDEST="/srcdest"' "$copydir/etc/makepkg.conf"; then - echo 'SRCDEST="/srcdest"' >> "$copydir/etc/makepkg.conf" -fi + mkdir -p "$copydir/pkgdest" + if ! grep -q 'PKGDEST="/pkgdest"' "$copydir/etc/makepkg.conf"; then + echo 'PKGDEST="/pkgdest"' >> "$copydir/etc/makepkg.conf" + fi -if [[ -n $MAKEFLAGS ]]; then - sed -i '/^MAKEFLAGS=/d' "$copydir/etc/makepkg.conf" - echo "MAKEFLAGS='${MAKEFLAGS}'" >> "$copydir/etc/makepkg.conf" -fi + mkdir -p "$copydir/logdest" + if ! grep -q 'LOGDEST="/logdest"' "$copydir/etc/makepkg.conf"; then + echo 'LOGDEST="/logdest"' >> "$copydir/etc/makepkg.conf" + fi -if [[ -n $PACKAGER ]]; then - sed -i '/^PACKAGER=/d' "$copydir/etc/makepkg.conf" - echo "PACKAGER='${PACKAGER}'" >> "$copydir/etc/makepkg.conf" -fi + # These two get bind-mounted + mkdir -p "$copydir/startdir" "$copydir/startdir_host" + mkdir -p "$copydir/srcdest" "$copydir/srcdest_host" + if ! grep -q 'SRCDEST="/srcdest"' "$copydir/etc/makepkg.conf"; then + echo 'SRCDEST="/srcdest"' >> "$copydir/etc/makepkg.conf" + fi -# Set target CARCH as it might be used within the PKGBUILD to select correct sources -eval $(grep '^CARCH=' "$copydir/etc/makepkg.conf") -export CARCH - -# Copy PKGBUILD and sources -cp PKGBUILD "$copydir/build/" -( - source PKGBUILD - for file in "${source[@]}"; do - file="${file%%::*}" - file="${file##*://*/}" - if [[ -f $file ]]; then - cp "$file" "$copydir/srcdest/" - elif [[ -f $SRCDEST/$file ]]; then - cp "$SRCDEST/$file" "$copydir/srcdest/" - fi - done + chown -R nobody "$copydir"/{build,pkgdest,logdest,srcdest,startdir} - # Find all changelog and install files, even inside functions - for i in 'changelog' 'install'; do - while read -r file; do - # evaluate any bash variables used - eval file=\"$(sed 's/^\(['\''"]\)\(.*\)\1$/\2/' <<< "$file")\" - [[ -f $file ]] && cp "$file" "$copydir/build/" - done < <(sed -n "s/^[[:space:]]*$i=//p" PKGBUILD) - done -) + if [[ -n $MAKEFLAGS ]]; then + sed -i '/^MAKEFLAGS=/d' "$copydir/etc/makepkg.conf" + echo "MAKEFLAGS='${MAKEFLAGS}'" >> "$copydir/etc/makepkg.conf" + fi -chown -R nobody "$copydir"/{build,pkgdest,srcdest} + if [[ -n $PACKAGER ]]; then + sed -i '/^PACKAGER=/d' "$copydir/etc/makepkg.conf" + echo "PACKAGER='${PACKAGER}'" >> "$copydir/etc/makepkg.conf" + fi -cat > "$copydir/etc/sudoers.d/nobody-pacman" <<EOF + if [[ ! -f $copydir/etc/sudoers.d/nobody-pacman ]]; then + cat > "$copydir/etc/sudoers.d/nobody-pacman" <<EOF Defaults env_keep += "HOME" nobody ALL = NOPASSWD: /usr/bin/pacman EOF -chmod 440 "$copydir/etc/sudoers.d/nobody-pacman" + chmod 440 "$copydir/etc/sudoers.d/nobody-pacman" + fi -# This is a little gross, but this way the script is recreated every time in the -# working copy -cat >"$copydir/chrootbuild" <<EOF + # This is a little gross, but this way the script is recreated every time in the + # working copy + cat >"$copydir/chrootbuild" <<EOF #!/bin/bash . /etc/profile export HOME=/build +shopt -s nullglob -cd /build +# Workaround makepkg disliking read-only dirs +ln -sft /srcdest /srcdest_host/* +ln -sft /startdir /startdir_host/* + +cd /startdir sudo -u nobody makepkg $makepkg_args || exit 1 if $run_namcap; then pacman -S --needed --noconfirm namcap - for pkgfile in /build/PKGBUILD /pkgdest/*.pkg.tar.?z; do + for pkgfile in /startdir/PKGBUILD /pkgdest/*; do echo "Checking \${pkgfile##*/}" - sudo -u nobody namcap "\$pkgfile" 2>&1 | tee "/build/\${pkgfile##*/}-namcap.log" + sudo -u nobody namcap "\$pkgfile" 2>&1 | tee "/logdest/\${pkgfile##*/}-namcap.log" done fi exit 0 EOF -chmod +x "$copydir/chrootbuild" + chmod +x "$copydir/chrootbuild" +} + +download_sources() { + local builddir="$(mktemp -d)" + chmod 1777 "$builddir" + + # Ensure sources are downloaded + if [[ -n $SUDO_USER ]]; then + sudo -u $SUDO_USER env SRCDEST="$SRCDEST" BUILDDIR="$builddir" \ + makepkg --config="$copydir/etc/makepkg.conf" --verifysource -o + else + ( export SRCDEST BUILDDIR="$builddir" + makepkg --asroot --config="$copydir/etc/makepkg.conf" --verifysource -o + ) + fi + (( $? != 0 )) && die "Could not download sources." + + # Clean up garbage from verifysource + rm -rf $builddir +} -if arch-nspawn "$copydir" /chrootbuild; then - for pkgfile in "$copydir"/pkgdest/*.pkg.tar.?z; do +move_products() { + for pkgfile in "$copydir"/pkgdest/*; do chown "$src_owner" "$pkgfile" mv "$pkgfile" "$PKGDEST" done - for l in "$copydir"/build/*-{build,check,namcap,package,package_*}.log; do + for l in "$copydir"/logdest/*; do chown "$src_owner" "$l" - [[ -f $l ]] && mv "$l" . + mv "$l" "$LOGDEST" done +} +# }}} + +umask 0022 + +load_vars "$USER_HOME/.makepkg.conf" +load_vars /etc/makepkg.conf + +# Use PKGBUILD directory if these don't exist +[[ -d $PKGDEST ]] || PKGDEST=$PWD +[[ -d $SRCDEST ]] || SRCDEST=$PWD +[[ -d $LOGDEST ]] || LOGDEST=$PWD + +create_chroot + +$update_first && arch-nspawn "$copydir" pacman -Syu --noconfirm + +[[ -n ${install_pkgs[*]} ]] && install_packages + +prepare_chroot + +download_sources + +if arch-nspawn "$copydir" \ + --bind-ro="$PWD:/startdir_host" \ + --bind-ro="$SRCDEST:/srcdest_host" \ + /chrootbuild +then + move_products else - # Just in case. We returned 1, make sure we fail - ret=1 + (( ret += 1 )) fi -for f in "$copydir"/srcdest/*; do - chown "$src_owner" "$f" - mv "$f" "$SRCDEST" -done +$temp_chroot && clean_temporary -if $temp_chroot; then - stat_busy "Removing temporary directoy [$copy]" - if [[ "$chroottype" == btrfs ]]; then - btrfs subvolume delete "$copydir" >/dev/null || - die "Unable to delete subvolume $copydir" +if (( ret != 0 )); then + if $temp_chroot; then + die "Build failed" else - # avoid change of filesystem in case of an umount failure - rm --recursive --force --one-file-system "$copydir" || - die "Unable to delete $copydir" + die "Build failed, check $copydir/build" fi - # remove lock file - rm --force "$copydir.lock" - stat_done -elif (( ret != 0 )); then - die "Build failed, check $copydir/build" else true fi |