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Add options -k and -K to MAKEDEV.sh to chose not to overwrite existing entries.
TODO: submit to bug-hurd
Index: hurd/sutils/MAKEDEV.sh
===================================================================
--- hurd.orig/sutils/MAKEDEV.sh 2010-07-01 18:14:22.000000000 +0200
+++ hurd/sutils/MAKEDEV.sh 2010-07-01 18:17:37.000000000 +0200
@@ -8,6 +8,8 @@
ECHO=: # Change to "echo" to echo commands.
EXEC="" # Change to ":" to suppress command execution.
DEVDIR=`pwd` # Reset below by -D/--devdir command line option.
+STFLAGS="-g" # Set to -k if active translators are to be kept.
+KEEP= # Set to something if existing files are to be left alone.
while :; do
case "$1" in
@@ -18,6 +20,8 @@
-D, --devdir=DIR Use DIR when a device node name must be
embedded in a translator; default is the cwd
+ -k, --keep-active Leave any existing active translator running
+ -K, --keep-all Don't overwrite existing files
-n, --dry-run Don't actually execute any commands
-v, --verbose Show what commands are executed to make the devices
-?, --help Give this help list
@@ -28,11 +32,14 @@
--devdir=*) DEVDIR="`echo "$1" | sed 's/^--devdir=//'`"; shift 1;;
-D) DEVDIR="$2"; shift 2;;
-D*) DEVDIR="`echo "$1" | sed 's/^-D//'`"; shift 1;;
+ --keep-active|-k) STFLAGS="-k"; shift;;
+ --keep-all|-K) KEEP=1; shift;;
--verbose|-v) ECHO=echo; shift;;
--dry-run|-n) EXEC=:; shift;;
-nv|-vn) ECHO=echo; EXEC=:; shift;;
--usage)
- echo "Usage: $0 [-V?] [-D DIR] [--help] [--usage] [--version] [--devdir=DIR] DEVNAME..."
+ echo "Usage: $0 [-V?] [-D DIR] [--help] [--usage] [--version]"
+ echo " [--devdir=DIR] [--keep-active] [--keep-all] DEVNAME..."
exit 0;;
--version|-V)
echo "STANDARD_HURD_VERSION_MAKEDEV_"; exit 0;;
@@ -61,10 +68,13 @@
local OWNER="$2"
local PERM="$3"
shift 3
- if cmd settrans -cg "$NODE"; then
+ if [ "$KEEP" ] && showtrans "$NODE" > /dev/null 2>&1 ; then
+ return;
+ fi
+ if cmd settrans $STFLAGS -c "$NODE"; then
cmd chown "$OWNER" "$NODE"
cmd chmod "$PERM" "$NODE"
- cmd settrans "$NODE" "$@"
+ cmd settrans $STFLAGS "$NODE" "$@"
fi
}
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