Preliminary Git support!

This is something that I've long wanted to add. It uses libgit2 as an optional dependency.
This commit is contained in:
Ben S 2015-01-27 15:01:17 +00:00
parent e835fe8fe3
commit 90d4684de4
7 changed files with 194 additions and 1 deletions

91
Cargo.lock generated
View File

@ -4,6 +4,7 @@ version = "0.1.0"
dependencies = [
"ansi_term 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
"getopts 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
"git2 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
"natord 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
"number_prefix 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
"users 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@ -18,11 +19,68 @@ dependencies = [
"regex_macros 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "bitflags"
version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "getopts"
version = "0.1.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "git2"
version = "0.1.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"bitflags 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
"libgit2-sys 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
"url 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "libgit2-sys"
version = "0.1.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"libssh2-sys 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
"libz-sys 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
"openssl-sys 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
"pkg-config 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "libressl-pnacl-sys"
version = "2.1.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"pnacl-build-helper 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "libssh2-sys"
version = "0.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"libz-sys 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
"openssl-sys 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
"pkg-config 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "libz-sys"
version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"pkg-config 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "matches"
version = "0.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "natord"
version = "1.0.6"
@ -33,6 +91,25 @@ name = "number_prefix"
version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "openssl-sys"
version = "0.2.17"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"libressl-pnacl-sys 2.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
"pkg-config 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "pkg-config"
version = "0.1.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "pnacl-build-helper"
version = "1.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "regex"
version = "0.1.10"
@ -46,6 +123,20 @@ dependencies = [
"regex 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "rustc-serialize"
version = "0.2.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "url"
version = "0.2.17"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"matches 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
"rustc-serialize 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "users"
version = "0.2.1"

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@ -12,3 +12,10 @@ getopts = "0.1.4"
natord = "1.0.6"
number_prefix = "0.2.1"
users = "0.2.1"
[features]
git = [ "git2" ]
[dependencies.git2]
version = "0.1.12"
optional = true

View File

@ -12,6 +12,8 @@ pub enum Column {
Group,
HardLinks,
Inode,
GitStatus,
}
#[derive(PartialEq, Debug, Copy)]
@ -37,6 +39,7 @@ impl Column {
Column::HardLinks => Alignment::Right,
Column::Inode => Alignment::Right,
Column::Blocks => Alignment::Right,
Column::GitStatus => Alignment::Right,
_ => Alignment::Left,
}
}
@ -53,6 +56,7 @@ impl Column {
Column::Group => "Group",
Column::HardLinks => "Links",
Column::Inode => "inode",
Column::GitStatus => "Git",
}
}
}

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@ -1,5 +1,9 @@
use std::io::{fs, IoResult};
use file::File;
use file::{File, GREY};
#[cfg(feature="git")] use ansi_term::ANSIString;
#[cfg(feature="git")] use ansi_term::Colour::*;
#[cfg(feature="git")] use git2;
/// A **Dir** provides a cached list of the file paths in a directory that's
/// being listed.
@ -10,6 +14,7 @@ use file::File;
pub struct Dir {
contents: Vec<Path>,
path: Path,
git: Option<Git>,
}
impl Dir {
@ -20,6 +25,7 @@ impl Dir {
fs::readdir(&path).map(|paths| Dir {
contents: paths,
path: path.clone(),
git: Git::new(&path).ok(),
})
}
@ -47,4 +53,79 @@ impl Dir {
pub fn join(&self, child: Path) -> Path {
self.path.join(child)
}
/// Return whether there's a Git repository on or above this directory.
pub fn has_git_repo(&self) -> bool {
self.git.is_some()
}
/// Get a string describing the Git status of the given file.
pub fn git_status(&self, path: &Path) -> String {
match self.git {
Some(ref git) => git.status(path),
None => GREY.paint("--").to_string(),
}
}
}
#[cfg(feature="git")]
struct Git {
statuses: Vec<(String, git2::Status)>,
}
#[cfg(feature="git")]
impl Git {
fn new(path: &Path) -> Result<Git, git2::Error> {
let repo = try!(git2::Repository::discover(path));
let statuses = try!(repo.statuses(None));
Ok(Git { statuses: statuses.iter().map(|e| (e.path().unwrap().to_string(), e.status())).collect() })
}
/// Get the status for the file at the given path, if present.
fn status(&self, path: &Path) -> String {
match self.statuses.iter().find(|&&(ref p, _)| path.as_str().unwrap() == p.as_slice()) {
Some(&(_, s)) => format!("{}{}", Git::index_status(s), Git::working_tree_status(s)),
None => GREY.paint("--").to_string(),
}
}
/// The character to display if the file has been modified, but not staged.
fn working_tree_status(status: git2::Status) -> ANSIString<'static> {
match status {
s if s.contains(git2::STATUS_WT_NEW) => Green.paint("A"),
s if s.contains(git2::STATUS_WT_MODIFIED) => Blue.paint("M"),
s if s.contains(git2::STATUS_WT_DELETED) => Red.paint("D"),
s if s.contains(git2::STATUS_WT_RENAMED) => Yellow.paint("R"),
s if s.contains(git2::STATUS_WT_TYPECHANGE) => Purple.paint("T"),
_ => GREY.paint("-"),
}
}
/// The character to display if the file has been modified, and the change
/// has been staged.
fn index_status(status: git2::Status) -> ANSIString<'static> {
match status {
s if s.contains(git2::STATUS_INDEX_NEW) => Green.paint("A"),
s if s.contains(git2::STATUS_INDEX_MODIFIED) => Blue.paint("M"),
s if s.contains(git2::STATUS_INDEX_DELETED) => Red.paint("D"),
s if s.contains(git2::STATUS_INDEX_RENAMED) => Yellow.paint("R"),
s if s.contains(git2::STATUS_INDEX_TYPECHANGE) => Purple.paint("T"),
_ => GREY.paint("-"),
}
}
}
#[cfg(not(feature="git"))]
struct Git;
#[cfg(not(feature="git"))]
impl Git {
fn new(_: &Path) -> Result<Git, ()> {
Err(())
}
fn status(&self, _: &Path) -> String {
panic!("Tried to access a Git repo without Git support!");
}
}

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@ -79,6 +79,7 @@ impl<'a> File<'a> {
Blocks => self.blocks(),
User => self.user(users_cache),
Group => self.group(users_cache),
GitStatus => self.git_status(),
}
}
@ -369,6 +370,11 @@ impl<'a> File<'a> {
vec![] // No source files if there's no extension, either!
}
}
fn git_status(&self) -> Cell {
let status = self.dir.map(|d| d.git_status(&self.path)).unwrap_or("NO".to_string());
Cell { text: status, length: 2 }
}
}
/// Extract an extension from a string, if one is present, in lowercase.

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@ -5,6 +5,9 @@ extern crate number_prefix;
extern crate unicode;
extern crate users;
#[cfg(feature="git")]
extern crate git2;
use std::io::FileType;
use std::io::fs;
use std::os::{args, set_exit_status};

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@ -265,6 +265,7 @@ fn columns(matches: &getopts::Matches) -> Result<Vec<Column>, Misfire> {
columns.push(Group);
}
columns.push(GitStatus);
columns.push(FileName);
Ok(columns)
}