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feat(git_branch): show remote name (#1972)

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* feat(git_branch): Show remote name in addition to remote branch

* feat(git_branch): Fix table indentation in config README

* feat(git_branch): Use a different method to fetch remote information

* feat(git_branch): Fix the Clippy issue regarding string constant
This commit is contained in:
Sagittarius-a 2020-12-08 11:12:53 +01:00 committed by GitHub
parent 26455df656
commit d670212a08
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3 changed files with 60 additions and 32 deletions
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15
docs/config/README.md
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@ -1031,17 +1031,18 @@ The `git_branch` module shows the active branch of the repo in your current dire
| `style` | `"bold purple"` | The style for the module. |
| `truncation_length` | `2^63 - 1` | Truncates a git branch to X graphemes. |
| `truncation_symbol` | `"…"` | The symbol used to indicate a branch name was truncated. You can use `""` for no symbol. |
| `only_attached` | `false` | Only show the branch name when not in a detached HEAD state. |
| `only_attached` | `false` | Only show the branch name when not in a detached HEAD state. |
| `disabled` | `false` | Disables the `git_branch` module. |
### Variables
| Variable | Example | Description |
| -------- | -------- | ---------------------------------------------------------------------------------------------------- |
| branch | `master` | The current branch name, falls back to `HEAD` if there's no current branch (e.g. git detached HEAD). |
| remote | `master` | The remote branch name. |
| symbol | | Mirrors the value of option `symbol` |
| style\* | | Mirrors the value of option `style` |
| Variable | Example | Description |
| ----------------| -------- | ---------------------------------------------------------------------------------------------------- |
| branch | `master` | The current branch name, falls back to `HEAD` if there's no current branch (e.g. git detached HEAD). |
| remote_name | `origin` | The remote name. |
| remote_branch | `master` | The name of the branch tracked on `remote_name`. |
| symbol | | Mirrors the value of option `symbol` |
| style\* | | Mirrors the value of option `style` |
\*: This variable can only be used as a part of a style string

26
src/context.rs
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@ -171,7 +171,9 @@ impl<'a> Context<'a> {
.as_ref()
.and_then(|repo| repo.workdir().map(Path::to_path_buf));
let state = repository.as_ref().map(|repo| repo.state());
let remote = repository.as_ref().and_then(|repo| get_remote_branch(repo));
let remote = repository
.as_ref()
.and_then(|repo| get_remote_repository_info(repo));
Ok(Repo {
branch,
root,
@ -312,8 +314,14 @@ pub struct Repo {
/// State
pub state: Option<RepositoryState>,
/// Remote branch name
pub remote: Option<String>,
/// Remote repository
pub remote: Option<Remote>,
}
/// Remote repository
pub struct Remote {
pub branch: Option<String>,
pub name: Option<String>,
}
// A struct of Criteria which will be used to verify current PathBuf is
@ -380,7 +388,7 @@ fn get_current_branch(repository: &Repository) -> Option<String> {
shorthand.map(std::string::ToString::to_string)
}
fn get_remote_branch(repository: &Repository) -> Option<String> {
fn get_remote_repository_info(repository: &Repository) -> Option<Remote> {
if let Ok(head) = repository.head() {
if let Some(local_branch_ref) = head.name() {
let remote_ref = match repository.branch_upstream_name(local_branch_ref) {
@ -388,8 +396,14 @@ fn get_remote_branch(repository: &Repository) -> Option<String> {
Err(_) => return None,
};
let remote = remote_ref.split('/').last().map(|r| r.to_owned())?;
return Some(remote);
let mut v = remote_ref.splitn(4, '/');
let remote_name = v.nth(2)?.to_owned();
let remote_branch = v.last()?.to_owned();
return Some(Remote {
branch: Some(remote_branch),
name: Some(remote_name),
});
}
}
None

51
src/modules/git_branch.rs
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@ -37,27 +37,33 @@ pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
let branch_name = repo.branch.as_ref()?;
let mut graphemes: Vec<&str> = branch_name.graphemes(true).collect();
let mut remote_graphemes: Vec<&str> = Vec::new();
if let Some(remote_branch) = repo.remote.as_ref() {
remote_graphemes = remote_branch.graphemes(true).collect();
let mut remote_branch_graphemes: Vec<&str> = Vec::new();
let mut remote_name_graphemes: Vec<&str> = Vec::new();
if let Some(remote) = repo.remote.as_ref() {
if let Some(branch) = &remote.branch {
remote_branch_graphemes = branch.graphemes(true).collect()
};
if let Some(name) = &remote.name {
remote_name_graphemes = name.graphemes(true).collect()
};
}
let trunc_len = len.min(graphemes.len());
if trunc_len < graphemes.len() {
// The truncation symbol should only be added if we truncate
graphemes[trunc_len] = truncation_symbol;
graphemes.truncate(trunc_len + 1)
}
let trunc_len = len.min(remote_graphemes.len());
if trunc_len < remote_graphemes.len() {
// The truncation symbol should only be added if we truncate
remote_graphemes[trunc_len] = truncation_symbol;
remote_graphemes.truncate(trunc_len + 1);
// Truncate fields if need be
for e in vec![
&mut graphemes,
&mut remote_branch_graphemes,
&mut remote_name_graphemes,
] {
let trunc_len = len.min(e.len());
if trunc_len < e.len() {
// The truncation symbol should only be added if we truncate
e[trunc_len] = truncation_symbol;
e.truncate(trunc_len + 1);
}
}
let show_remote = config.always_show_remote
|| (!graphemes.eq(&remote_graphemes) && !remote_graphemes.is_empty());
|| (!graphemes.eq(&remote_branch_graphemes) && !remote_branch_graphemes.is_empty());
let parsed = StringFormatter::new(config.format).and_then(|formatter| {
formatter
@ -71,9 +77,16 @@ pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
})
.map(|variable| match variable {
"branch" => Some(Ok(graphemes.concat())),
"remote" => {
if show_remote {
Some(Ok(remote_graphemes.concat()))
"remote_branch" => {
if show_remote && !remote_branch_graphemes.is_empty() {
Some(Ok(remote_branch_graphemes.concat()))
} else {
None
}
}
"remote_name" => {
if show_remote && !remote_name_graphemes.is_empty() {
Some(Ok(remote_name_graphemes.concat()))
} else {
None
}