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Move `index::from_tree` into `repository` module as it is consuming a repository and is not a free-standing command like the others.
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,40 @@ | ||
use git::prelude::FindExt; | ||
use git_repository as git; | ||
use std::ffi::OsString; | ||
use std::{io::BufWriter, path::PathBuf}; | ||
|
||
pub fn from_tree( | ||
spec: OsString, | ||
index_path: Option<PathBuf>, | ||
force: bool, | ||
repo: git::Repository, | ||
mut out: impl std::io::Write, | ||
) -> anyhow::Result<()> { | ||
let spec = git::path::os_str_into_bstr(&spec)?; | ||
let tree = repo.rev_parse_single(spec)?; | ||
let state = git::index::State::from_tree(&tree, |oid, buf| repo.objects.find_tree_iter(oid, buf).ok())?; | ||
let options = git::index::write::Options { | ||
hash_kind: repo.object_hash(), | ||
..Default::default() | ||
}; | ||
|
||
match index_path { | ||
Some(index_path) => { | ||
if index_path.is_file() { | ||
if !force { | ||
anyhow::bail!( | ||
"File at \"{}\" already exists, to overwrite use the '-f' flag", | ||
index_path.display() | ||
); | ||
} | ||
} | ||
let writer = BufWriter::new(std::fs::File::create(&index_path)?); | ||
state.write_to(writer, options)?; | ||
} | ||
None => { | ||
state.write_to(&mut out, options)?; | ||
} | ||
} | ||
|
||
Ok(()) | ||
} |
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