diff options
Diffstat (limited to 'extras/cdsymlinks.sh')
| -rw-r--r-- | extras/cdsymlinks.sh | 50 |
1 files changed, 35 insertions, 15 deletions
diff --git a/extras/cdsymlinks.sh b/extras/cdsymlinks.sh index b2702e0063..592de365cb 100644 --- a/extras/cdsymlinks.sh +++ b/extras/cdsymlinks.sh @@ -1,6 +1,7 @@ #! /bin/sh -e # -# Map cdrom, cdm, cdmrw, cd-r, cdrw, dvd, dvdrw, dvdram to suitable devices. +# Map cdrom, cd-r, cdrw, dvd, dvdrw, dvdram, cdm, cdmrw, cdram +# to suitable devices. # Prefers cd* for DVD-incapable and cdrom and dvd for read-only devices. # First parameter is the kernel device name. # Second parameter, if present, must be "-d" => output the full mapping. @@ -11,13 +12,16 @@ # BUS="scsi", KERNEL="scd[0-9]*", PROGRAM="/etc/udev/cdsymlinks.sh %k", SYMLINK="%c{1} %c{2} %c{3} %c{4} %c{5} %c{6}" # (this last one is "just in case") # -# (c) 2004 Darren Salt <linux@youmustbejoking.demon.co.uk> +# (c) 2004, 2005 Darren Salt <linux@youmustbejoking.demon.co.uk> +# +# Last modified: 2005-02-15 test -e /proc/sys/dev/cdrom/info || exit 0 # Defaults; it's better that you alter them in /etc/udev/cdsymlinks.conf OUTPUT='CD CDRW DVD DVDRW DVDRAM' NUMBERED_LINKS=1 +LINK_ZERO=0 test -e /etc/udev/cdsymlinks.conf && . /etc/udev/cdsymlinks.conf @@ -61,6 +65,7 @@ setArray CDRWs `sed -re '/^Can write CD-RW:/I! d; s/.*://' /proc/sys/dev/cdr setArray CDRs `sed -re '/^Can write CD-R:/I! d; s/.*://' /proc/sys/dev/cdrom/info` setArray CDMRWs `sed -re '/^Can write MRW:/I! d; s/.*://' /proc/sys/dev/cdrom/info` setArray CDMs `sed -re '/^Can read MRW:/I! d; s/.*://' /proc/sys/dev/cdrom/info` +setArray CDRAMs `sed -re '/^Can write RAM:/I! d; s/.*://' /proc/sys/dev/cdrom/info` # How many devices do we have? NumDevs=$(($DEVICES-1)) @@ -80,6 +85,7 @@ for i in $Count; do test "`ix CDRs $i`" != '' || ixs CDRs $i 0 test "`ix CDMRWs $i`" != '' || ixs CDMRWs $i 0 test "`ix CDMs $i`" != '' || ixs CDMs $i 0 + test "`ix CDRAMs $i`" != '' || ixs CDRAMs $i 0 done DVDRAM='' @@ -89,6 +95,7 @@ CDRW='' CDR='' CDMRW='' CDM='' +CDRAM='' CD='' # Calculate symlink->device mappings. @@ -117,27 +124,31 @@ for i in $Count; do test "`ix CDMs $i`" = 1 && CDM="$CDM `ix DEVICES $i`" done for i in $Count; do + test "`ix CDRAMs $i`" = 1 && CDRAM="$CDRAM `ix DEVICES $i`" +done +for i in $Count; do CD="$CD `ix DEVICES $i`" done # Debug output if test "$DEBUG" = 1; then echo 'Devices:' `for i in $Count; do ix DEVICES $i; echo -n \ ; done` - echo 'DVDRAM :' `for i in $Count; do ix DVDRAMs $i; echo -n \ ; done` $DVDRAM - echo 'DVDRW :' `for i in $Count; do ix DVDRWs $i; echo -n \ ; done` $DVDRW - echo 'DVD :' `for i in $Count; do ix DVDs $i; echo -n \ ; done` $DVD - echo 'CDRW :' `for i in $Count; do ix CDRWs $i; echo -n \ ; done` $CDRW + echo 'CDROM : (all)' $CD echo 'CD-R :' `for i in $Count; do ix CDRs $i; echo -n \ ; done` $CDR + echo 'CDRW :' `for i in $Count; do ix CDRWs $i; echo -n \ ; done` $CDRW + echo 'DVD :' `for i in $Count; do ix DVDs $i; echo -n \ ; done` $DVD + echo 'DVDRW :' `for i in $Count; do ix DVDRWs $i; echo -n \ ; done` $DVDRW + echo 'DVDRAM :' `for i in $Count; do ix DVDRAMs $i; echo -n \ ; done` $DVDRAM echo 'CDMRW :' `for i in $Count; do ix CDMRWs $i; echo -n \ ; done` $CDMRW - echo 'CDM :' `for i in $Count; do ix CDMs $i; echo -n \ ; done` $CDM - echo 'CDROM : (all)' $CD + echo 'CDWMRW :' `for i in $Count; do ix CDMs $i; echo -n \ ; done` $CDM + echo 'CDRAM :' `for i in $Count; do ix CDRAMs $i; echo -n \ ; done` $CDRAM fi # Prepare symlink names output -output () { +do_output () { test "`eval echo '$'$3`" = '' && return local i - local COUNT='' + local COUNT=$4 local DEVLS="`ls -dl \"/dev/$2\" \"/dev/$2\"[0-9]* 2>/dev/null`" local PRESENT="`echo "$DEVLS" | sed -re 's!^.* /dev/('$2'[[:digit:]]*) -> [^[:space:]]+$!\1!'`" @@ -148,6 +159,7 @@ output () { if test "$DEVPRESENT" != ""; then # Existing symlinks found - don't output a new one. # If the target dev ($1) is the current dev ($i), we output their names. + test -z "$4" || return; test "$1" = "$i" && echo " $DEVPRESENT" | sed -e 'N; $ s/\n/ /' else # If we found no existing symlinks for the target device... @@ -156,15 +168,17 @@ output () { # symlink is created by udev as a result of use of this program, we # DON'T want different output! until notin PRESENT "$2$COUNT"; do + test -z "$4" || return; COUNT=$(($COUNT+1)) done # If the target dev ($1) is the current dev ($i), we output its name. - if test $(($NUMBERED_LINKS)) -ne 0 || test "$COUNT" = ''; then - test "$i" = "$1" && echo -n " $2$COUNT" + if test $(($NUMBERED_LINKS)) -ne 0 || test -z "$COUNT"; then + test "$i" != "$1" || echo -n " $2$COUNT" fi # If the link isn't in our "existing links" list, add it and increment # our counter. - if test ! -e "/dev/$2$COUNT"; then + if notin PRESENT "$2$COUNT"; then + test -z "$4" || return; PRESENT="$PRESENT\n$2$COUNT" COUNT=$(($COUNT+1)) fi @@ -172,13 +186,19 @@ output () { done } +output () { + do_output "$@" + test $(($LINK_ZERO)) -eq 0 || do_output "$@" 0 +} + # And output it notin OUTPUT CD || echo -n "`output "$1" cdrom CD`" -notin OUTPUT CDMRW || echo -n "`output "$1" cdmrw CDM`" -notin OUTPUT CDWMRW || echo -n "`output "$1" cdwmrw CDMRW`" notin OUTPUT CDR || echo -n "`output "$1" cd-r CDR`" notin OUTPUT CDRW || echo -n "`output "$1" cdrw CDRW`" notin OUTPUT DVD || echo -n "`output "$1" dvd DVD`" notin OUTPUT DVDRW || echo -n "`output "$1" dvdrw DVDRW`" notin OUTPUT DVDRAM || echo -n "`output "$1" dvdram DVDRAM`" +notin OUTPUT CDMRW || echo -n "`output "$1" cdmrw CDM`" +notin OUTPUT CDWMRW || echo -n "`output "$1" cdwmrw CDMRW`" +notin OUTPUT CDRAM || echo -n "`output "$1" cdram CDRAM`" echo |