granger/
common.rs

1use crate::board;
2use std::env::current_dir;
3use std::path::PathBuf;
4use std::process;
5use std::str::from_utf8;
6
7pub fn get_current_board() -> board::model::Board {
8    let current_working_directory =
9        current_dir().expect("Could not retrieve current working directory.");
10
11    let path_to_git_repository = get_root_path_if_git_repository(&current_working_directory)
12        .expect("Could not retrieve path to git repository.");
13
14    board::data::get_by_location(&path_to_git_repository)
15        .expect("Boards cannot be accessed from outside git repository.")
16}
17
18pub fn get_root_path_if_git_repository(location: &PathBuf) -> Result<String, String> {
19    // "git rev-parse --show-toplevel" returns the path to the root
20    // of a git repository if called anywhere inside git repository
21    let output = process::Command::new("git")
22        .args(["rev-parse", "--show-toplevel"])
23        .current_dir(location)
24        .output();
25
26    match output {
27        Ok(value) => {
28            if value.stdout.is_empty() {
29                Err("Boards must be initialized inside of a git repository.".to_string())
30            } else {
31                let root_as_string = from_utf8(&value.stdout)
32                    .expect("Could not parse path to git repository from stdout.");
33                Ok(String::from(root_as_string.trim()))
34            }
35        }
36        Err(_) => Err("Unreachable?".to_string()),
37    }
38}
39
40pub fn get_git_repository_name(location: &str) -> String {
41    // return content after last "/" in path
42    // example: /home/bobby/workspaces/granger -> granger
43    let mut output: Vec<&str> = location.split('/').collect();
44    output
45        .pop()
46        .expect("Could not parse git repository name.")
47        .to_string()
48}
granger/common.rs

granger/
common.rs
