diff options
Diffstat (limited to 'scripts/xdg-utils-common.in')
| -rw-r--r-- | scripts/xdg-utils-common.in | 64 |
1 files changed, 55 insertions, 9 deletions
diff --git a/scripts/xdg-utils-common.in b/scripts/xdg-utils-common.in index f0a1aac..adab368 100644 --- a/scripts/xdg-utils-common.in +++ b/scripts/xdg-utils-common.in @@ -51,19 +51,24 @@ binary_to_desktop_file() } #------------------------------------------------------------- -# map a .desktop file to a binary +# map a .desktop file name to its Exec binary +# Returns the realpath resolved path to the binary or noting. + +# desktop_file_to_binary <desktop-file-name> desktop_file_to_binary() { + DEBUG 1 "desktop_file_to_binary '$1'" search="${XDG_DATA_HOME:-$HOME/.local/share}:${XDG_DATA_DIRS:-/usr/local/share:/usr/share}" desktop="$(basename "$1")" IFS=: for dir in $search; do + DEBUG 2 "Searching in '$dir/{applications,applnk}'" unset IFS - [ "$dir" ] && [ -d "$dir/applications" ] || [ -d "$dir/applnk" ] || continue + [ -n "$dir" ] && [ -d "$dir/applications" ] || [ -d "$dir/applnk" ] || continue # Check if desktop file contains - if [ "${desktop#*-}" != "$desktop" ]; then - vendor=${desktop%-*} - app=${desktop#*-} + vendor="${desktop%-*}" + app="${desktop#*-}" if [ -r "$dir/applications/$vendor/$app" ]; then file_path="$dir/applications/$vendor/$app" elif [ -r "$dir/applnk/$vendor/$app" ]; then @@ -72,18 +77,31 @@ desktop_file_to_binary() fi if test -z "$file_path" ; then for indir in "$dir"/applications/ "$dir"/applications/*/ "$dir"/applnk/ "$dir"/applnk/*/; do + DEBUG 4 "Does file exist? '$indir/$desktop'" file="$indir/$desktop" if [ -r "$file" ]; then - file_path=$file + file_path="$file" break fi done fi if [ -r "$file_path" ]; then - # Remove any arguments (%F, %f, %U, %u, etc.). - command="$(grep -E "^Exec(\[[^]=]*])?=" "$file_path" | cut -d= -f 2- | first_word)" - command="$(command -v "$command")" - xdg_realpath "$command" + DEBUG 2 "Checking desktop file '$file_path'" + # Get the command name from the correct Exec + # Note: Ignoring quoting and escape sequences here, see #253 + binary="$(awk -F '=' ' + /^\[/{ in_entry=0 } + $0 == "[Desktop Entry]"{ in_entry=1 } + in_entry && /^Exec\s*=/ { + sub(/^\s+/,"",$2); + match($2,/^[^ ]+/); + print substr($2,RSTART,RLENGTH) + }' \ + < "$file_path" )" + DEBUG 2 "Found command: $binary" + binary="$(xdg_which "$binary")" + DEBUG 2 "Resolved to command to file: '$binary'" + [ -z "$binary" ] || xdg_realpath "$binary" return fi done @@ -461,3 +479,31 @@ xdg_realpath() ;; esac } + +#---------------------------------------------------------------------------- +# The `which` command but as a shell implementation. +# Returns either the path of the resolved binary or nothing +# because command -v does not always return the path of a command +# (builtins, aliases, functions, etc.) + +# xdg_which <command> +xdg_which() +{ + if [ -z "$1" ] ; then + return 1 + elif [ -x "$1" ] ; then + printf "%s\n" "$1" + else + # this should be faster than the real thing because of shell builtins + old_ifs="$IFS" + IFS=: + for p in $PATH ; do + IFS="$old_ifs" + if [ -x "$p/$1" ] ; then + printf "%s\n" "$p/$1" + return + fi + done + return 1 + fi +} |