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Move usage information printing to separate function, and print usage to stderr; also added some spacing.

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Andrew 2016-02-19 18:17:40 +01:00
parent 63f3392ff5
commit 17d274ef48
1 changed files with 8 additions and 2 deletions
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10
qubes-rpc/qvm-run
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@ -20,8 +20,8 @@
# #
# #
if [ $# -lt 2 ] ; then function print_usage(){
cat <<USAGE cat >&2 <<USAGE
Usage: $0 vmname command arguments Usage: $0 vmname command arguments
Executes a command in another VM using the qubes.VMShell RPC service. The Executes a command in another VM using the qubes.VMShell RPC service. The
arguments are joined with spaces and passed to "bash -c". arguments are joined with spaces and passed to "bash -c".
@ -33,10 +33,16 @@ is your terminal.
You can use \$dispvm or --dispvm instead of vmname to start a new DisposableVM. You can use \$dispvm or --dispvm instead of vmname to start a new DisposableVM.
USAGE USAGE
}
if [ $# -lt 2 ] ; then
print_usage
exit 1 exit 1
fi fi
VMNAME=$1 VMNAME=$1
shift shift
if [ $VMNAME = "--dispvm" ] ; then if [ $VMNAME = "--dispvm" ] ; then
VMNAME='$dispvm' VMNAME='$dispvm'
fi fi