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use std::ffi::OsStr;
use std::path::Path;
pub fn init(shell_name: &str) {
log::debug!("Shell name: {}", shell_name);
let shell_basename = Path::new(shell_name).file_stem().and_then(OsStr::to_str);
let setup_script = match shell_basename {
// The contents of `PROMPT_COMMAND` are executed as a regular Bash command
// just before Bash displays a prompt.
Some("bash") => {
let script = "
PROMPT_COMMAND=starship_prompt
starship_prompt() {
PS1=\"$(starship prompt --status=$?)\"
}";
Some(script)
}
// `precmd` executes a command before the zsh prompt is displayed.
Some("zsh") => {
let script = "
precmd() {
PROMPT=\"$(starship prompt --status=$?)\"
}";
Some(script)
}
Some("fish") => {
let script = "function fish_prompt; starship prompt --status=$status; end";
Some(script)
}
None => {
println!(
"Invalid shell name provided: {}\\n\
If this issue persists, please open an \
issue in the starship repo: \\n\
https://github.com/starship/starship/issues/new\\n\"",
shell_name
);
None
}
_ => {
/* Calling unwrap() here is fine because the None case will have
already matched on the previous arm */
println!(
"printf \"\\n{0} is not yet supported by starship.\\n\
For the time being, we support bash, zsh, and fish.\\n\
Please open an issue in the starship repo if you would like to \
see support for {0}:\\nhttps://github.com/starship/starship/issues/new\"\\n\\n",
shell_basename.unwrap()
);
None
}
};
if setup_script.is_some() {
let script = setup_script.unwrap();
print!("{}", script);
}
}
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