forked from mirrors/nixpkgs
121 lines
3.8 KiB
Nix
121 lines
3.8 KiB
Nix
{utillinux, e2fsprogs, fileSystems, mount}:
|
|
|
|
let
|
|
|
|
# !!! use XML
|
|
mountPoints = map (fs: fs.mountPoint) fileSystems;
|
|
devices = map (fs: if fs ? device then fs.device else "LABEL=" + fs.label) fileSystems;
|
|
fsTypes = map (fs: if fs ? fsType then fs.fsType else "auto") fileSystems;
|
|
optionss = map (fs: if fs ? options then fs.options else "defaults") fileSystems;
|
|
autocreates = map (fs: if fs ? autocreate then fs.autocreate else "0") fileSystems;
|
|
|
|
in
|
|
|
|
{
|
|
name = "filesystems";
|
|
|
|
job = "
|
|
start on startup
|
|
start on new-devices
|
|
start on ip-up
|
|
|
|
script
|
|
PATH=${e2fsprogs}/sbin:$PATH
|
|
|
|
mountPoints=(${toString mountPoints})
|
|
devices=(${toString devices})
|
|
fsTypes=(${toString fsTypes})
|
|
optionss=(${toString optionss})
|
|
autocreates=(${toString autocreates})
|
|
|
|
newDevices=1
|
|
|
|
# If we mount any file system, we repeat this loop, because new
|
|
# mount opportunities may have become available (such as images
|
|
# for loopback mounts).
|
|
|
|
while test -n \"$newDevices\"; do
|
|
|
|
newDevices=
|
|
|
|
for ((n = 0; n < \${#mountPoints[*]}; n++)); do
|
|
mountPoint=\${mountPoints[$n]}
|
|
device=\${devices[$n]}
|
|
fsType=\${fsTypes[$n]}
|
|
options=\${optionss[$n]}
|
|
autocreate=\${autocreates[$n]}
|
|
|
|
isLabel=
|
|
if echo \"$device\" | grep -q '^LABEL='; then isLabel=1; fi
|
|
|
|
isPseudo=
|
|
if test \"$fsType\" = \"nfs\" || test \"$fsType\" = \"tmpfs\" ||
|
|
test \"$fsType\" = \"ext3cow\"; then isPseudo=1; fi
|
|
|
|
if ! test -n \"$isLabel\" -o -n \"$isPseudo\" -o -e \"$device\"; then
|
|
echo \"skipping $device, doesn't exist (yet)\"
|
|
continue
|
|
fi
|
|
|
|
# !!! quick hack: if mount point already exists, try a
|
|
# remount to change the options but nothing else.
|
|
if cat /proc/mounts | grep -F -q \" $mountPoint \"; then
|
|
echo \"remounting $device on $mountPoint\"
|
|
${mount}/bin/mount -t \"$fsType\" \\
|
|
-o remount,\"$options\" \\
|
|
\"$device\" \"$mountPoint\" || true
|
|
continue
|
|
fi
|
|
|
|
# If $device is already mounted somewhere else, unmount it first.
|
|
# !!! Note: we use /etc/mtab, not /proc/mounts, because mtab
|
|
# contains more accurate info when using loop devices.
|
|
|
|
# !!! not very smart about labels yet; should resolve the label somehow.
|
|
if test -z \"$isLabel\" -a -z \"$isPseudo\"; then
|
|
|
|
device=$(readlink -f \"$device\")
|
|
|
|
prevMountPoint=$(
|
|
cat /etc/mtab \\
|
|
| grep \"^$device \" \\
|
|
| sed 's|^[^ ]\\+ \\+\\([^ ]\\+\\).*|\\1|' \\
|
|
)
|
|
|
|
if test \"$prevMountPoint\" = \"$mountPoint\"; then
|
|
echo \"remounting $device on $mountPoint\"
|
|
${mount}/bin/mount -t \"$fsType\" \\
|
|
-o remount,\"$options\" \\
|
|
\"$device\" \"$mountPoint\" || true
|
|
continue
|
|
fi
|
|
|
|
if test -n \"$prevMountPoint\"; then
|
|
echo \"unmount $device from $prevMountPoint\"
|
|
${mount}/bin/umount \"$prevMountPoint\" || true
|
|
fi
|
|
|
|
fi
|
|
|
|
echo \"mounting $device on $mountPoint\"
|
|
|
|
# !!! should do something with the result; also prevent repeated fscks.
|
|
if test -z \"$isPseudo\"; then
|
|
fsck -a \"$device\" || true
|
|
fi
|
|
|
|
if test \"\$autocreate\" = 1; then mkdir -p \"\$mountPoint\"; fi
|
|
|
|
if ${mount}/bin/mount -t \"$fsType\" -o \"$options\" \"$device\" \"$mountPoint\"; then
|
|
newDevices=1
|
|
fi
|
|
|
|
done
|
|
|
|
done
|
|
|
|
end script
|
|
";
|
|
|
|
}
|