core-agent-linux/qubes-rpc/qubes.StartApp

#!/bin/sh

if [ -z "$1" ]; then
    echo "This service requires an argument" >&2
    exit 1
fi

# make sure it has .desktop suffix, and only one of it
app_basename="${1%.desktop}.desktop"

# Based on XDG Base Directory Specification, Version 0.7
[ -n "$XDG_DATA_HOME" ] || XDG_DATA_HOME="$HOME/.local/share"
[ -n "$XDG_DATA_DIRS" ] || XDG_DATA_DIRS="/usr/local/share:/usr/share"

for dir in $(echo "$XDG_DATA_HOME:$XDG_DATA_DIRS" | tr : ' '); do
    if ! [ -d "$dir/applications" ]; then
        continue
    fi
    for subdir in $(find "$dir/applications" -type d | sort); do
        if [ -f "$subdir/$app_basename" ]; then
            exec qubes-desktop-run "$subdir/$app_basename"
        fi
    done
done
echo "applications/$app_basename not found in $XDG_DATA_HOME:$XDG_DATA_DIRS" >&2
exit 1