__ __ __ __ _____ _ _ _____ _ _ _
| \/ | \ \ / / | __ \ (_) | | / ____| | | | |
| \ / |_ __\ V / | |__) | __ ___ ____ _| |_ ___ | (___ | |__ ___| | |
| |\/| | '__|> < | ___/ '__| \ \ / / _` | __/ _ \ \___ \| '_ \ / _ \ | |
| | | | |_ / . \ | | | | | |\ V / (_| | || __/ ____) | | | | __/ | |
|_| |_|_(_)_/ \_\ |_| |_| |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1
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For_More_Tools:
# BACKUP_URL=[proto]://[host]/[share]
# example: nfs://lucky/temp/backup
# example: cifs://lucky/temp
# example: usb:///dev/sdb1
# example: tape:///dev/nst0
# example: file:///path
# example: iso://backup/
# example: sshfs://user@host/G/rear/
# example: ftpfs://user:password@host/rear/ (the password part is optional)
# FIXME: The test does not match the error message below.
# To match the the error message the test should be
# [[ "$BACKUP_URL" || ( "$BACKUP_MOUNTCMD" && "$BACKUP_UMOUNTCMD" ) ]]
# but I <jsmeix@suse.de> cannot decide if there is a subtle reason for the omission:
[[ "$BACKUP_URL" || "$BACKUP_MOUNTCMD" ]]
StopIfError "You must specify either BACKUP_URL or BACKUP_MOUNTCMD and BACKUP_UMOUNTCMD !"
# url_scheme results the empty string when $BACKUP_URL is empty:
local scheme="$( url_scheme "$BACKUP_URL" )"
if [[ "$BACKUP_URL" ]] ; then
local hostname="$( url_hostname "$BACKUP_URL" )"
local path="$( url_path "$BACKUP_URL" )"
### check for valid BACKUP_URL schemes
### see https://github.com/rear/rear/issues/842
case "$scheme" in
(nfs|cifs|usb|tape|file|iso|sshfs|ftpfs)
# do nothing for valid BACKUP_URL schemes
:
;;
(*)
Error "Invalid scheme '$scheme' in BACKUP_URL '$BACKUP_URL' valid schemes: nfs cifs usb tape file iso sshfs ftpfs"
;;
esac
### set other variables from BACKUP_URL
if [[ "usb" = "$scheme" ]] ; then
# if USB_DEVICE is not explicitly specified it is the path from BACKUP_URL
[[ -z "$USB_DEVICE" ]] && USB_DEVICE="$path"
fi
### check if host is reachable
if [[ "$PING" && "$hostname" ]] ; then
# Only LogPrintIfError but no StopIfError because it is not a fatal error
# (i.e. not a reason to abort) when a host does not respond to a 'ping'
# because hosts can be accessible via certain ports but do not respond to a 'ping'
# cf. https://bugzilla.opensuse.org/show_bug.cgi?id=616706
# TODO: it would be better to test if it is accessible via the actually needed port(s)
ping -c 2 "$hostname" >/dev/null
LogPrintIfError "Host '$hostname' in BACKUP_URL '$BACKUP_URL' does not respond to a 'ping'."
else
Log "Skipping 'ping' test for host '$hostname' in BACKUP_URL '$BACKUP_URL'"
fi
fi
# some backup progs require a different backuparchive name
case "$(basename $BACKUP_PROG)" in
(rsync)
# rsync creates a target directory instead of a file
BACKUP_PROG_SUFFIX=
BACKUP_PROG_COMPRESS_SUFFIX=
;;
(*)
:
;;
esac
# include required programs
# the code below includes mount.* and umount.* programs for all non-empty schemes
# (i.e. for any non-empty BACKUP_URL like usb tape file sshfs ftpfs)
# and it includes 'mount.' for empty schemes (e.g. if BACKUP_URL is not set)
# which is o.k. because it is a catch all rule so we do not miss any
# important executable needed a certain scheme and it does not hurt
# see https://github.com/rear/rear/pull/859
PROGS+=(
showmount
mount.$scheme
umount.$scheme
$( test "$BACKUP_MOUNTCMD" && echo "${BACKUP_MOUNTCMD%% *}" )
$( test "$BACKUP_UMOUNTCMD" && echo "${BACKUP_UMOUNTCMD%% *}" )
$BACKUP_PROG
gzip
bzip2
xz
)
# include required stuff for sshfs or ftpfs (via CurlFtpFS)
if [[ "sshfs" = "$scheme" || "ftpfs" = "$scheme" ]] ; then
# both sshfs and ftpfs (via CurlFtpFS) are based on FUSE
PROGS+=( fusermount mount.fuse )
MODULES+=( fuse )
MODULES_LOAD+=( fuse )
COPY_AS_IS+=( /etc/fuse.conf )
# include what is specific for sshfs
if [[ "sshfs" = "$scheme" ]] ; then
# see http://sourceforge.net/apps/mediawiki/fuse/index.php?title=SshfsFaq
REQUIRED_PROGS+=( sshfs ssh )
# relying on 500_ssh.sh to take a long the SSH related files
fi
# include what is specific for ftpfs
if [[ "ftpfs" = "$scheme" ]] ; then
# see http://curlftpfs.sourceforge.net/
# and https://github.com/rear/rear/issues/845
REQUIRED_PROGS+=( curlftpfs )
fi
fi
# include required modules, like nfs cifs ...
# the code below includes modules for all non-empty schemes
# (i.e. for any non-empty BACKUP_URL like usb tape file sshfs ftpfs)
# which is o.k. because this must been seen as a catch all rule
# (one never knows what one could miss)
# see https://github.com/rear/rear/pull/859
MODULES+=( $scheme )