gnostr_asyncgit/cached/
branchname.rs1use sync::Head;
2
3use crate::{
4 error::Result,
5 sync::{self, branch::get_branch_name, RepoPathRef},
6};
7
8pub struct BranchName {
10 last_result: Option<(Head, String)>,
11 repo: RepoPathRef,
12}
13
14impl BranchName {
15 pub const fn new(repo: RepoPathRef) -> Self {
17 Self {
18 repo,
19 last_result: None,
20 }
21 }
22
23 pub fn lookup(&mut self) -> Result<String> {
25 let current_head = sync::get_head_tuple(&self.repo.borrow())?;
26
27 if let Some((last_head, branch_name)) = self.last_result.as_ref() {
28 if *last_head == current_head {
29 return Ok(branch_name.clone());
30 }
31 }
32
33 self.fetch(current_head)
34 }
35
36 pub fn last(&self) -> Option<String> {
38 self.last_result.as_ref().map(|last| last.1.clone())
39 }
40
41 fn fetch(&mut self, head: Head) -> Result<String> {
42 let name = get_branch_name(&self.repo.borrow())?;
43 self.last_result = Some((head, name.clone()));
44 Ok(name)
45 }
46}