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|
use std::env;
use tico::tico;
use git2::{ Repository, Status };
use colored::*;
fn main() {
print!("{}", cwd());
let (branch, status) = vcs_status().unwrap_or(("".into(), "".into()));
println!(" {} {}", branch, status.dimmed());
print!("{} ", prompt_char());
}
fn cwd() -> colored::ColoredString {
let mut path = env::var("PWD").unwrap();
let home = env::var("HOME").unwrap();
let tilde_expand = env::var("EXPAND_TILDE").unwrap_or("0".into());
match tilde_expand.as_ref() {
"0" => {},
_ => path = path.replace(&home[..], "~")
};
let cwd_shorten = env::var("SHORTEN_CWD").unwrap_or("1".into());
let cwd_color = env::var("CWD_COLOR").unwrap_or("white".into());
match cwd_shorten.as_ref() {
"0" => return path.color(cwd_color),
_ => return tico(&path[..]).color(cwd_color)
}
}
fn prompt_char() -> colored::ColoredString {
let user_char = env::var("PROMPT_CHAR").unwrap_or("$ ".into());
let root_char = env::var("PROMPT_CHAR_ROOT").unwrap_or("# ".into());
let euid = unsafe { libc::geteuid() };
match euid {
0 => return root_char.red(),
_ => return user_char.green()
}
}
fn vcs_status() -> Option<(colored::ColoredString, colored::ColoredString)> {
let current_dir = env::var("PWD").unwrap();
let repo = match Repository::open(current_dir) {
Ok(r) => r,
Err(_) => return None
};
let reference = repo.head().unwrap();
let mut branch;
if reference.is_branch() {
branch = format!("{}", reference.shorthand().unwrap()).bright_black();
} else {
let commit = reference.peel_to_commit().unwrap();
let id = commit.id();
branch = format!("{:.6}", id).bright_black();
}
let mut repo_stat = "".white();
let git_clean_color = env::var("GIT_CLEAN_COLOR").unwrap_or("green".into());
let git_wt_modified_color = env::var("GIT_WT_MODIFIED_COLOR").unwrap_or("red".into());
let git_index_modified_color = env::var("GIT_INDEX_MODIFIED_COLOR").unwrap_or("yellow".into());
let file_stats = repo.statuses(None).unwrap();
for file in file_stats.iter() {
match file.status() {
// STATE: unstaged (working tree modified)
Status::WT_NEW | Status::WT_MODIFIED |
Status::WT_DELETED | Status::WT_TYPECHANGE |
Status::WT_RENAMED => {
let stat_char = env::var("GIT_WT_MODIFIED").unwrap_or("×".into());
repo_stat = stat_char.color(&git_wt_modified_color[..]);
break;
},
// STATE: staged (changes added to index)
Status::INDEX_NEW | Status::INDEX_MODIFIED |
Status::INDEX_DELETED | Status::INDEX_TYPECHANGE |
Status::INDEX_RENAMED => {
let stat_char = env::var("GIT_INDEX_MODIFIED").unwrap_or("±".into());
repo_stat = stat_char.color(&git_index_modified_color[..]);
},
// STATE: comitted (changes have been saved in the repo)
_ => {
let stat_char = env::var("GIT_CLEAN").unwrap_or("·".into());
repo_stat = stat_char.color(&git_clean_color[..]);
}
}
}
return Some((branch, repo_stat))
}
|
