299 pub enum ConfigOrigin {

   299 pub enum ConfigOrigin {

   300     /// From a configuration file

   300     /// From a configuration file

   301     File(PathBuf),

   301     File(PathBuf),

   302     /// From a `--config` CLI argument

   302     /// From a `--config` CLI argument

   303     CommandLine,

   303     CommandLine,

   304     /// From environment variables like `$PAGER` or `$EDITOR`

   306     /// From environment variables like `$PAGER` or `$EDITOR`

   305     Environment(Vec<u8>),

   307     Environment(Vec<u8>),

   308      * TODO extensions

   309      * TODO extensions

   309      * TODO Python resources?

   310      * TODO Python resources?

   310      * Others? */

   311      * Others? */

   311 }

   312 }

   312 

   313 

   316         out: &mut dyn std::io::Write,

   317         out: &mut dyn std::io::Write,

   317     ) -> std::io::Result<()> {

   318     ) -> std::io::Result<()> {

   318         match self {

   319         match self {

   319             ConfigOrigin::File(p) => out.write_all(&get_bytes_from_path(p)),

   320             ConfigOrigin::File(p) => out.write_all(&get_bytes_from_path(p)),

   320             ConfigOrigin::CommandLine => out.write_all(b"--config"),

   321             ConfigOrigin::CommandLine => out.write_all(b"--config"),

   321             ConfigOrigin::Environment(e) => write_bytes!(out, b"${}", e),

   323             ConfigOrigin::Environment(e) => write_bytes!(out, b"${}", e),

   322         }

   324         }

   323     }

   325     }

   324 }

   326 }

   325 

   327