Someone was asking me about this, so I'll send it to the whole list as a
FYI.
This is all in bash.
To create the directories and file links, I use a tool called lns, which
you can get here;
http://www.chiark.greenend.org.uk/~sgtatham/utils/
I also use a tool called symlinks, which is in Debian and Debian
derivatives as the "symlinks" package.
We assume here that both tf2-custom and tf2-master are directories found
within $APPDIR.
In this case, you would run your HLDSUpdateTool/SteamCMD against the
master server and never the linked installation. After each update, you
would need to re-link, to add new link files and remove old ones.
APPDIR=/srv/srcds-servers
INSTALLID=tf2-custom
MASTER=tf2-master
echo "Relinking $INSTALLID to master $MASTER ..."
lns -q -r "$APPDIR/$MASTER/"* "$APPDIR/$INSTALLID"
echo "Looking for old dangling symlinks and remove them..."
symlinks -d -r "$APPDIR/$INSTALLID"
To de-link an installation, you would do this:
# Find and remove the symlinks related to the master installation.
find "$APPDIR/$INSTALLID" -type l -lname "*../$MASTER/*" -exec rm -f '{}' +
# Also delete directories which have no files anywhere within them.
find "$APPDIR/$INSTALLID" -type d -empty -delete
What if you already have an installation and need to de-duplicate it so
that you can link it?
This will find all files in the SRCDIR and if there is an identically
named/pathed file with the same md5sum in the DSTDIR, it will delete it.
It won't touch custom files.
SRCDIR=$APPDIR/$MASTER
DSTDIR=$APPDIR/$INSTALLID
cd "$SRCDIR"
find . -type f -printf "%P\0" | while read -d $'\0' EACH ; do
SRCFILE="$SRCDIR/$EACH"
DSTFILE="$DSTDIR/$EACH"
if [[ -r "$SRCFILE" ]] && [[ -r "$DSTFILE" ]] ; then
SRCHASH=$(md5sum "$SRCFILE" | awk '{print $1}')
DSTHASH=$(md5sum "$DSTFILE" | awk '{print $1}')
else
echo "Skipping file: $EACH"
continue
fi
if [[ "$SRCHASH" == "$DSTHASH" ]] ; then
echo "Removing duplicate file in destination: $EACH"
rm -f "$DSTFILE"
else
echo "Non-duplicate file found: $EACH"
fi
done
Then do "find "$DSTDIR" -type d -empty -delete" to delete the empty
directories left over.
This will take a long time for TF2, which has something like 60,000 files.
--
# Jesse Molina
# Mail = [email protected]
# Cell = 1-602-323-7608
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