gitfm -version (return code: 0)
GNU Interactive Tools 4.9.5
gitfm -h (return code: 0)
usage: gitfm [-hvcblp] [path1] [path2]
-h print this help message
-v print the version number
-c use ANSI colors
-b don't use ANSI colors
-l don't use the last screen character
-p output final path at exit