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@@ -5,6 +5,8 @@
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#
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# Enable this by passing boot=zfs on the kernel command line.
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#
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# $quiet, $root, $rpool, $bootfs come from the cmdline:
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# shellcheck disable=SC2154
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# Source the common functions
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. /etc/zfs/zfs-functions
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@@ -102,14 +104,10 @@ find_rootfs()
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# Support function to get a list of all pools, separated with ';'
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find_pools()
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{
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CMD="$*"
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pools=$($CMD 2> /dev/null | \
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pools=$("$@" 2> /dev/null | \
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grep -E "pool:|^[a-zA-Z0-9]" | \
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sed 's@.*: @@' | \
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while read -r pool; do \
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printf "%s" "$pool;"
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done)
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tr '\n' ';')
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echo "${pools%%;}" # Return without the last ';'.
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}
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@@ -203,7 +201,7 @@ import_pool()
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# exists).
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if [ -n "$USE_DISK_BY_ID" ] && [ -z "$ZPOOL_IMPORT_PATH" ]
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then
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dirs="$(for dir in $(echo /dev/disk/by-*)
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dirs="$(for dir in /dev/disk/by-*
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do
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# Ignore by-vdev here - we want it first!
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echo "$dir" | grep -q /by-vdev && continue
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@@ -329,6 +327,7 @@ mount_fs()
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# Need the _original_ datasets mountpoint!
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mountpoint=$(get_fs_value "$fs" mountpoint)
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ZFS_CMD="mount -o zfsutil -t zfs"
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if [ "$mountpoint" = "legacy" ] || [ "$mountpoint" = "none" ]; then
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# Can't use the mountpoint property. Might be one of our
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# clones. Check the 'org.zol:mountpoint' property set in
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@@ -348,15 +347,11 @@ mount_fs()
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fi
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fi
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# If it's not a legacy filesystem, it can only be a
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# native one...
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if [ "$mountpoint" = "legacy" ]; then
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ZFS_CMD="mount -t zfs"
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else
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# If it's not a legacy filesystem, it can only be a
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# native one...
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ZFS_CMD="mount -o zfsutil -t zfs"
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fi
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else
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ZFS_CMD="mount -o zfsutil -t zfs"
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fi
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# Possibly decrypt a filesystem using native encryption.
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@@ -553,7 +548,6 @@ rollback_snap()
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ask_user_snap()
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{
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fs="$1"
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i=1
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# We need to temporarily disable debugging. Set 'debug' so we
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# remember to enabled it again.
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@@ -566,16 +560,25 @@ ask_user_snap()
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# Because we need the resulting snapshot, which is sent on
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# stdout to the caller, we use stderr for our questions.
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echo "What snapshot do you want to boot from?" > /dev/stderr
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while read -r snap; do
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echo " $i: ${snap}" > /dev/stderr
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eval "$(echo SNAP_$i=$snap)"
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i=$((i + 1))
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done <<EOT
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$("${ZFS}" list -H -oname -tsnapshot -r "${fs}")
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EOT
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# shellcheck disable=SC2046
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IFS="
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" set -- $("${ZFS}" list -H -oname -tsnapshot -r "${fs}")
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echo "%s" " Snap nr [1-$((i-1))]? " > /dev/stderr
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read -r snapnr
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i=1
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for snap in "$@"; do
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echo " $i: $snap"
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i=$((i + 1))
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done > /dev/stderr
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# expr instead of test here because [ a -lt 0 ] errors out,
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# but expr falls back to lexicographical, which works out right
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snapnr=0
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while expr "$snapnr" "<" 1 > /dev/null ||
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expr "$snapnr" ">" "$#" > /dev/null
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do
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printf "%s" "Snap nr [1-$#]? " > /dev/stderr
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read -r snapnr
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done
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# Re-enable debugging.
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if [ -n "${debug}" ]; then
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@@ -583,7 +586,7 @@ EOT
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set -x
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fi
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echo "$(eval echo '$SNAP_'$snapnr)"
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eval echo '$'"$snapnr"
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}
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setup_snapshot_booting()
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@@ -703,7 +706,7 @@ mountroot()
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# ------------
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# Look for the cache file (if any).
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[ ! -f ${ZPOOL_CACHE} ] && unset ZPOOL_CACHE
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[ ! -f "${ZPOOL_CACHE}" ] && unset ZPOOL_CACHE
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# ------------
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# Compatibility: 'ROOT' is for Debian GNU/Linux (etc),
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@@ -793,7 +796,8 @@ mountroot()
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#
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# Reassign the variable by dumping the environment and
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# stripping the zfs-bootfs= prefix. Let the shell handle
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# quoting through the eval command.
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# quoting through the eval command:
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# shellcheck disable=SC2046
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eval ZFS_RPOOL=$(set | sed -n -e 's,^zfs-bootfs=,,p')
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fi
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@@ -947,7 +951,7 @@ mountroot()
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touch /run/zfs_unlock_complete
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if [ -e /run/zfs_unlock_complete_notify ]; then
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read -r zfs_unlock_complete_notify < /run/zfs_unlock_complete_notify
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read -r < /run/zfs_unlock_complete_notify
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fi
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# ------------
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наб