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#!/usr/bin/env bash
# this script should run as the 'git' user, not root, because 'root' should not
# own intermediate directories created by rsync.
#
# Example invocation:
# find /var/opt/gitlab/git-data/repositories -maxdepth 2 | \
# parallel-rsync-repos transfer-success.log /var/opt/gitlab/git-data/repositories /mnt/gitlab/repositories
#
# You can also rsync to a remote destination.
#
# parallel-rsync-repos transfer-success.log /var/opt/gitlab/git-data/repositories user@host:/mnt/gitlab/repositories
#
# If you need to pass extra options to rsync, set the RSYNC variable
#
# env RSYNC='rsync --rsh="foo bar"' parallel-rsync-repos transfer-success.log /src dest
#
LOGFILE=$1
SRC=$2
DEST=$3
if [ -z "$LOGFILE" ] || [ -z "$SRC" ] || [ -z "$DEST" ] ; then
echo "Usage: $0 LOGFILE SRC DEST"
exit 1
fi
if [ -z "$JOBS" ] ; then
JOBS=10
fi
if [ -z "$RSYNC" ] ; then
RSYNC=rsync
fi
if ! cd $SRC ; then
echo "cd $SRC failed"
exit 1
fi
rsyncjob() {
relative_dir="./${1#$SRC}"
if ! $RSYNC --delete --relative -a "$relative_dir" "$DEST" ; then
echo "rsync $1 failed"
return 1
fi
echo "$1" >> $LOGFILE
}
export LOGFILE SRC DEST RSYNC
export -f rsyncjob
parallel -j$JOBS --progress rsyncjob
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