79 lines
1.7 KiB
Bash
Executable File
79 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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#
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# Add ZoL filesystem capabilities to an initrd, usually for a native OpenZFS root.
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#
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# This hook installs udev rules for ZoL.
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PREREQ="zdev"
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# These prerequisites are provided by the zfsutils package. The zdb utility is
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# not strictly required, but it can be useful at the initramfs recovery prompt.
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COPY_EXEC_LIST="/sbin/zdb /sbin/zpool /sbin/zfs /sbin/mount.zfs"
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# These prerequisites are provided by the base system.
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COPY_EXEC_LIST="$COPY_EXEC_LIST /bin/hostname /sbin/blkid"
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# Explicitly specify all kernel modules because automatic dependency resolution
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# is unreliable on many systems.
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MANUAL_ADD_MODULES_LIST="zlib_deflate spl zavl zcommon znvpair zunicode zfs"
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# Generic result code.
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RC=0
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case $1 in
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prereqs)
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echo "$PREREQ"
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exit 0
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;;
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esac
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for ii in $COPY_EXEC_LIST
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do
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if [ ! -x "$ii" ]
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then
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echo "Error: $ii is not executable."
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RC=2
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fi
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done
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if [ "$RC" -ne 0 ]
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then
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exit "$RC"
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fi
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. /usr/share/initramfs-tools/hook-functions
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mkdir -p "$DESTDIR/etc/"
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# zpool requires /etc/mtab
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ln -sf "/proc/mounts" "$DESTDIR/etc/mtab"
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# ZDB uses pthreads for some functions, but the library dependency is not
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# automatically detected. The `find` utility and extended `cp` options are
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# used here because libgcc_s.so could be in a subdirectory of /lib for
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# multi-arch installations.
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cp --target-directory="$DESTDIR" --parents $(find /lib -type f -name libgcc_s.so.1)
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for ii in $COPY_EXEC_LIST
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do
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copy_exec "$ii"
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done
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for ii in $MANUAL_ADD_MODULES_LIST
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do
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manual_add_modules "$ii"
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done
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if [ -f "/etc/hostname" ]
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then
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cp -p "/etc/hostname" "$DESTDIR/etc/"
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else
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hostname >"$DESTDIR/etc/hostname"
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fi
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# ZoL 0.6.3 deprecated the hostid check.
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if [ -f /etc/hostid ]
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then
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cp -p /etc/hostid "$DESTDIR/etc/hostid"
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fi
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