2Shirt/duplicity-backup.sh
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add support for DragonFly and OpenBSD

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DragonFly is a FreeBSD derivative, so the same `du` flags as for FreeBSD
and Darwin apply. OpenBSD does not support exclusion.

The correct invocation for in-place `sed` without backup varies. GNU Sed
allows just leaving out the suffix, but BSD Sed requires an empty suffix
(which in turn GNU Sed doesn't accept). OpenBSD Sed has no in-place
option, use `ed` instead.

`mail` works the same on all BSD.

explicitly list `bash` dependency, it's not installed on most BSD by default.
This commit is contained in:
Matthias Rampke 2014-03-04 10:29:22 +01:00
parent 0f11e6f163
commit 4f90cc7440
2 changed files with 36 additions and 11 deletions
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2
README.md
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@ -36,7 +36,7 @@ Be sure to make the script executable (`chmod +x`) before you hit the gas.
## Requirements ## Requirements
* [duplicity](http://duplicity.nongnu.org/) * [duplicity](http://duplicity.nongnu.org/)
* Basic utilities like: [which](http://unixhelp.ed.ac.uk/CGI/man-cgi?which) and [tee](http://linux.die.net/man/1/tee) (should already be available on most Linux systems) * Basic utilities like: [bash](https://www.gnu.org/software/bash/), [which](http://unixhelp.ed.ac.uk/CGI/man-cgi?which) and [tee](http://linux.die.net/man/1/tee) (should already be available on most Linux systems)
* [gpg](http://www.gnupg.org/) *`optional`* * [gpg](http://www.gnupg.org/) *`optional`*
* [Amazon S3](http://aws.amazon.com/s3/) *`optional`* * [Amazon S3](http://aws.amazon.com/s3/) *`optional`*
* [s3cmd](http://s3tools.org/s3cmd) *`optional`* * [s3cmd](http://s3tools.org/s3cmd) *`optional`*

41
duplicity-backup.sh
View file

@ -297,11 +297,14 @@ email_logfile()
EMAIL_FROM=${EMAIL_FROM:+"-r ${EMAIL_FROM}"} EMAIL_FROM=${EMAIL_FROM:+"-r ${EMAIL_FROM}"}
cat ${LOGFILE} | ${MAILCMD} -s """${EMAIL_SUBJECT}""" $EMAIL_FROM ${EMAIL_TO} cat ${LOGFILE} | ${MAILCMD} -s """${EMAIL_SUBJECT}""" $EMAIL_FROM ${EMAIL_TO}
elif [ "$MAIL" = "mail" ]; then elif [ "$MAIL" = "mail" ]; then
if [[ `uname` == "FreeBSD" || `uname` == 'Darwin' ]]; then case `uname` in
FreeBSD|Darwin|DragonFly|OpenBSD)
cat ${LOGFILE} | ${MAILCMD} -s """${EMAIL_SUBJECT}""" ${EMAIL_TO} -- cat ${LOGFILE} | ${MAILCMD} -s """${EMAIL_SUBJECT}""" ${EMAIL_TO} --
else ;;
*)
cat ${LOGFILE} | ${MAILCMD} -s """${EMAIL_SUBJECT}""" $EMAIL_FROM ${EMAIL_TO} -- -f ${EMAIL_FROM} cat ${LOGFILE} | ${MAILCMD} -s """${EMAIL_SUBJECT}""" $EMAIL_FROM ${EMAIL_TO} -- -f ${EMAIL_FROM}
fi ;;
esac
elif [[ "$MAIL" = "sendmail" ]]; then elif [[ "$MAIL" = "sendmail" ]]; then
(echo """Subject: ${EMAIL_SUBJECT}""" ; cat ${LOGFILE}) | ${MAILCMD} -f ${EMAIL_FROM} ${EMAIL_TO} (echo """Subject: ${EMAIL_SUBJECT}""" ; cat ${LOGFILE}) | ${MAILCMD} -f ${EMAIL_FROM} ${EMAIL_TO}
elif [ "$MAIL" = "nail" ]; then elif [ "$MAIL" = "nail" ]; then
@ -337,10 +340,18 @@ get_source_file_size()
OLDIFS=$IFS OLDIFS=$IFS
IFS=$(echo -en "\t\n") IFS=$(echo -en "\t\n")
DUEXCFLAG="--exclude-from=" case `uname` in
if [[ `uname` == 'FreeBSD' || `uname` == 'Darwin' ]]; then FreeBSD|Darwin|DragonFly)
DUEXCFLAG="-I " DUEXCFLAG="-I -"
fi ;;
OpenBSD)
echo "WARNING: OpenBSD du does not support exclusion, sizes may be off" >> ${LOGFILE}
DUEXCFLAG=""
;;
*)
DUEXCFLAG="--exclude-from=-"
;;
esac
for exclude in ${EXCLIST[@]}; do for exclude in ${EXCLIST[@]}; do
DUEXCLIST="${DUEXCLIST}${exclude}\n" DUEXCLIST="${DUEXCLIST}${exclude}\n"
@ -349,7 +360,7 @@ get_source_file_size()
for include in ${INCLIST[@]} for include in ${INCLIST[@]}
do do
echo -e '"'$DUEXCLIST'"' | \ echo -e '"'$DUEXCLIST'"' | \
du -hs ${DUEXCFLAG}"-" ${include} | \ du -hs ${DUEXCFLAG} ${include} | \
awk '{ FS="\t"; $0=$0; print $1"\t"$2 }' \ awk '{ FS="\t"; $0=$0; print $1"\t"$2 }' \
>> ${LOGFILE} >> ${LOGFILE}
done done
@ -479,7 +490,21 @@ get_file_sizes()
get_source_file_size get_source_file_size
get_remote_file_size get_remote_file_size
case `uname` in
FreeBSD|Darwin|DragonFly)
sed -i '' -e '/^--*$/d' ${LOGFILE}
;;
OpenBSD)
ed -s ${LOGFILE} <<-"EOF"
g/^--*$/d
w
q
EOF
;;
*)
sed -i -e '/^--*$/d' ${LOGFILE} sed -i -e '/^--*$/d' ${LOGFILE}
;;
esac
chown ${LOG_FILE_OWNER} ${LOGFILE} chown ${LOG_FILE_OWNER} ${LOGFILE}
} }