The main intention of this patch is to take advantage of /dev/loop-control and loop devices. Signed-off-by: Gerardo Exequiel Pozzi --- mkarchroot.in | 37 ++++++++++++++++++++++--------------- 1 file changed, 22 insertions(+), 15 deletions(-) diff --git a/mkarchroot.in b/mkarchroot.in index cda761c..d45cfba 100644 --- a/mkarchroot.in +++ b/mkarchroot.in @@ -13,6 +13,7 @@ m4_include(lib/common.sh) FORCE='n' RUN='' NOCOPY='n' +USE_DEVTMPFS='n' working_dir='' @@ -29,11 +30,12 @@ usage() { echo ' -M <file> Location of a makepkg config file' echo ' -n Do not copy config files into the chroot' echo ' -c <dir> Set pacman cache. Default: /var/cache/pacman/pkg' + echo ' -d Use devtmpfs instead of minimal /dev (tmpfs)' echo ' -h This message' exit 1 } -while getopts 'r:ufnhC:M:c:' arg; do +while getopts 'r:ufnhC:M:c:d' arg; do case "${arg}" in r) RUN="$OPTARG" ;; u) RUN='/bin/sh -c "pacman -Syu --noconfirm && (pacman -Qqu >/dev/null && pacman -Su --noconfirm || exit 0)"' ;; @@ -42,6 +44,7 @@ while getopts 'r:ufnhC:M:c:' arg; do M) makepkg_conf="$OPTARG" ;; n) NOCOPY='y' ;; c) cache_dir="$OPTARG" ;; + d) USE_DEVTMPFS="y" ;; h|?) usage 0 ;; *) error "invalid argument '${arg}'"; usage ;; esac @@ -90,20 +93,24 @@ chroot_mount() { mount -t proc proc "${working_dir}/proc" [[ -e "${working_dir}/dev" ]] || mkdir "${working_dir}/dev" - mount -t tmpfs dev "${working_dir}/dev" -o mode=0755,size=10M,nosuid - mknod -m 666 "${working_dir}/dev/null" c 1 3 - mknod -m 666 "${working_dir}/dev/zero" c 1 5 - mknod -m 600 "${working_dir}/dev/console" c 5 1 - mknod -m 644 "${working_dir}/dev/random" c 1 8 - mknod -m 644 "${working_dir}/dev/urandom" c 1 9 - mknod -m 666 "${working_dir}/dev/tty" c 5 0 - mknod -m 666 "${working_dir}/dev/tty0" c 4 0 - mknod -m 666 "${working_dir}/dev/full" c 1 7 - ln -s /proc/kcore "${working_dir}/dev/core" - ln -s /proc/self/fd "${working_dir}/dev/fd" - ln -s /proc/self/fd/0 "${working_dir}/dev/stdin" - ln -s /proc/self/fd/1 "${working_dir}/dev/stdout" - ln -s /proc/self/fd/2 "${working_dir}/dev/stderr" + if [[ ${USE_DEVTMPFS} = "y" ]]; then + mount -t devtmpfs dev "${working_dir}/dev" -o mode=0755,nosuid + else + mount -t tmpfs dev "${working_dir}/dev" -o mode=0755,size=10M,nosuid + mknod -m 666 "${working_dir}/dev/null" c 1 3 + mknod -m 666 "${working_dir}/dev/zero" c 1 5 + mknod -m 600 "${working_dir}/dev/console" c 5 1 + mknod -m 644 "${working_dir}/dev/random" c 1 8 + mknod -m 644 "${working_dir}/dev/urandom" c 1 9 + mknod -m 666 "${working_dir}/dev/tty" c 5 0 + mknod -m 666 "${working_dir}/dev/tty0" c 4 0 + mknod -m 666 "${working_dir}/dev/full" c 1 7 + ln -s /proc/kcore "${working_dir}/dev/core" + ln -s /proc/self/fd "${working_dir}/dev/fd" + ln -s /proc/self/fd/0 "${working_dir}/dev/stdin" + ln -s /proc/self/fd/1 "${working_dir}/dev/stdout" + ln -s /proc/self/fd/2 "${working_dir}/dev/stderr" + fi [[ -e "${working_dir}/dev/shm" ]] || mkdir "${working_dir}/dev/shm" mount -t tmpfs shm "${working_dir}/dev/shm" -o nodev,nosuid,size=128M -- 1.7.9.2