first commit

autofs/etc/auto.net

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+#!/bin/bash
+
+# This file must be executable to work! chmod 755!
+
+# Look at what a host is exporting to determine what we can mount.
+# This is very simple, but it appears to work surprisingly well
+
+key="$1"
+
+# add "nosymlink" here if you want to suppress symlinking local filesystems
+# add "nonstrict" to make it OK for some filesystems to not mount
+# choose one of the two lines below depending on the NFS version in your
+# environment
+
+[ -f /etc/default/autofs ] && . /etc/default/autofs
+
+if [ -z "$MOUNT_NFS_DEFAULT_PROTOCOL" -o "$MOUNT_NFS_DEFAULT_PROTOCOL" == "3" ]; then
+	# Showmount comes in a number of names and varieties.  "showmount" is
+	# typically an older version which accepts the '--no-headers' flag
+	# but ignores it.  "kshowmount" is the newer version installed with knfsd,
+	# which both accepts and acts on the '--no-headers' flag.
+	#SHOWMOUNT="kshowmount --no-headers -e $key"
+	#SHOWMOUNT="showmount -e $key | tail -n +2"
+
+	for P in /bin /sbin /usr/bin /usr/sbin
+	do
+		for M in showmount kshowmount
+		do
+			if [ -x $P/$M ]
+			then
+				SMNT=$P/$M
+				break
+			fi
+		done
+	done
+
+	[ -x $SMNT ] || exit 1
+
+	# Newer distributions get this right
+	SHOWMOUNT="$SMNT --no-headers -e $key"
+
+	$SHOWMOUNT | LC_ALL=C cut -d' ' -f1 | LC_ALL=C sort -u | \
+		awk -v key="$key" -v opts="$opts" -- '
+		BEGIN	{ ORS=""; first=1 }
+			{ if (first) { print opts; first=0 }; print " \\\n\t" $1, key ":" $1 }
+		END	{ if (!first) print "\n"; else exit 1 }
+		' | sed 's/#/\\#/g'
+	opts="-fstype=nfs,hard,intr,nodev,nosuid"
+else
+	# NFSv4
+	opts="-fstype=nfs4,hard,intr,nodev,nosuid,async"
+
+	echo "$opts $key:/"
+fi