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kiss-chroot: Minor changes. Closes #286

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Dylan Araps 2021-11-04 07:42:09 +02:00
parent 1c743cea46
commit 9f31e3db97
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GPG Key ID: 13295DAC2CF13B5C
1 changed files with 10 additions and 14 deletions
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24
contrib/kiss-chroot
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@ -1,4 +1,4 @@
#!/bin/sh -e #!/bin/sh
# Enter a kiss chroot # Enter a kiss chroot
log() { log() {
@ -16,8 +16,8 @@ run() {
} }
clean() { clean() {
log Unmounting host filesystems; { log Unmounting host paths; {
run umount "$1/dev/shm" run umount "$1/dev/shm" 2>/dev/null
run umount "$1/dev/pts" run umount "$1/dev/pts"
run umount "$1/dev" run umount "$1/dev"
run umount "$1/proc" run umount "$1/proc"
@ -25,10 +25,7 @@ clean() {
run umount "$1/sys/firmware/efi/efivars" 2>/dev/null run umount "$1/sys/firmware/efi/efivars" 2>/dev/null
run umount "$1/sys" run umount "$1/sys"
run umount "$1/tmp" run umount "$1/tmp"
} run umount "$1/etc/resolv.conf"
log Cleaning leftover host files; {
run rm -f "$1/etc/resolv.conf"
} }
} }
@ -62,19 +59,18 @@ main() {
trap 'clean "${1%"${1##*[!/]}"}"' EXIT INT trap 'clean "${1%"${1##*[!/]}"}"' EXIT INT
log Mounting host filesystems; { log Mounting host paths; {
mmount "$1/dev" -o bind /dev mmount "$1/dev" -o bind /dev
mmount "$1/dev/pts" -o bind /dev/pts mmount "$1/dev/pts" -o bind /dev/pts
mmount "$1/dev/shm" -t tmpfs shmfs mmount "$1/dev/shm" -t tmpfs shmfs 2>/dev/null
mmount "$1/proc" -t proc proc mmount "$1/proc" -t proc proc
mmount "$1/run" -t tmpfs tmpfs mmount "$1/run" -t tmpfs tmpfs
mmount "$1/sys" -t sysfs sys mmount "$1/sys" -t sysfs sys
mmount "$1/sys/firmware/efi/efivars" -t efivarfs efivarfs 2>/dev/null mmount "$1/sys/firmware/efi/efivars" -t efivarfs efivarfs 2>/dev/null
mmount "$1/tmp" -o mode=1777,nosuid,nodev -t tmpfs tmpfs mmount "$1/tmp" -o mode=1777,nosuid,nodev -t tmpfs tmpfs
}
log Copying /etc/resolv.conf from host; { touch "$1/etc/resolv.conf"
run cp -f /etc/resolv.conf "$1/etc" mmount "$1/etc/resolv.conf" -o bind /etc/resolv.conf
} }
log Entering chroot; { log Entering chroot; {
@ -90,7 +86,7 @@ main() {
CXXFLAGS="${CXXFLAGS:--march=x86-64 -mtune=generic -pipe -O2}" \ CXXFLAGS="${CXXFLAGS:--march=x86-64 -mtune=generic -pipe -O2}" \
MAKEFLAGS="${MAKEFLAGS:--j$(nproc 2>/dev/null || echo 1)}" \ MAKEFLAGS="${MAKEFLAGS:--j$(nproc 2>/dev/null || echo 1)}" \
/bin/sh -l /bin/sh -l
} } || die chroot failed
} }
main "$1" main "$1"