39 lines
877 B
Bash
Executable file
39 lines
877 B
Bash
Executable file
#!/usr/bin/env sh
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set -e
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# Invoked on termination if the last command failed
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error() { >&2 echo "$(basename "$0"): ${*}"; }
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error_envvar() { error "missing environment variable QEMUSH_NAME"; }
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error_arg() { error "invalid argument \"${*}\""; }
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# Assert that the QEMUSH_NAME variable is not null
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trap error_envvar EXIT
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[ -n "$QEMUSH_NAME" ]
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# Determine the base dir to use
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trap 'error_arg "$*"' EXIT
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case "$1" in
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disk)
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basedir=disks
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extension=qcow2
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;;
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socket)
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basedir=sockets/monitors
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;;
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spice)
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basedir=sockets/spice
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;;
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*)
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false
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;;
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esac
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# Release the trap
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trap - EXIT
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# Print the actual string
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basedir="${HOME}/${basedir}"
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name="$QEMUSH_NAME"
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[ -n "$2" ] && name="${name}-${2}"
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[ -n "$extension" ] && extension=".${extension}"
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printf %s/%s%s\\n "$basedir" "$name" "$extension"
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