gitoxide_core/repository/index/
mod.rs

1use std::{ffi::OsString, path::PathBuf};
2
3use anyhow::bail;
4
5pub fn from_tree(
6    repo: gix::Repository,
7    mut spec: OsString,
8    index_path: Option<PathBuf>,
9    force: bool,
10    skip_hash: bool,
11) -> anyhow::Result<()> {
12    spec.push("^{tree}");
13    let spec = gix::path::os_str_into_bstr(&spec)?;
14    let tree = repo.rev_parse_single(spec)?;
15
16    let mut index = repo.index_from_tree(&tree)?;
17    let options = gix::index::write::Options {
18        skip_hash,
19        ..Default::default()
20    };
21
22    match index_path {
23        Some(index_path) => {
24            if index_path.is_file() && !force {
25                anyhow::bail!(
26                    "File at \"{}\" already exists, to overwrite use the '-f' flag",
27                    index_path.display()
28                );
29            }
30            index.set_path(index_path);
31            index.write(options)?;
32        }
33        None => {
34            let mut out = Vec::with_capacity(512 * 1024);
35            index.write_to(&mut out, options)?;
36        }
37    }
38
39    Ok(())
40}
41
42pub fn from_list(
43    entries_file: PathBuf,
44    index_path: Option<PathBuf>,
45    force: bool,
46    skip_hash: bool,
47) -> anyhow::Result<()> {
48    use std::io::BufRead;
49    let object_hash = gix::hash::Kind::Sha1;
50
51    let mut index = gix::index::State::new(object_hash);
52    for path in std::io::BufReader::new(std::fs::File::open(entries_file)?).lines() {
53        let path: PathBuf = path?.into();
54        #[allow(clippy::unnecessary_debug_formatting)]
55        if !path.is_relative() {
56            bail!("Input paths need to be relative, but {path:?} is not.")
57        }
58        let path = gix::path::into_bstr(path);
59        index.dangerously_push_entry(
60            gix::index::entry::Stat::default(),
61            gix::hash::ObjectId::empty_blob(object_hash),
62            gix::index::entry::Flags::empty(),
63            gix::index::entry::Mode::FILE,
64            gix::path::to_unix_separators_on_windows(path).as_ref(),
65        );
66    }
67    index.sort_entries();
68
69    let options = gix::index::write::Options {
70        skip_hash,
71        ..Default::default()
72    };
73    match index_path {
74        Some(index_path) => {
75            if index_path.is_file() && !force {
76                anyhow::bail!(
77                    "File at \"{}\" already exists, to overwrite use the '-f' flag",
78                    index_path.display()
79                );
80            }
81            let mut index = gix::index::File::from_state(index, index_path);
82            index.write(options)?;
83        }
84        None => {
85            let index = gix::index::File::from_state(index, std::path::PathBuf::new());
86            let mut out = Vec::with_capacity(512 * 1024);
87            index.write_to(&mut out, options)?;
88        }
89    }
90
91    Ok(())
92}
93
94pub mod entries;
95pub use entries::function::entries;
gitoxide_core/repository/index/mod.rs

gitoxide_core/repository/index/
mod.rs
