zhenyi
76 lines
2.7 KiB
Rust
76 lines
2.7 KiB
Rust
//! Copyright (c) 2022-2026 GitDataAi All rights reserved.
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use gix::object::tree::EntryKind;
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use crate::bare::GitBare;
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use crate::error::{GitError, GitResult};
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use crate::pb::{Blob, GetBlobRequest};
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use crate::tree;
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impl GitBare {
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pub fn get_blob(&self, request: GetBlobRequest) -> GitResult<Blob> {
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let repo = self.gix_repo()?;
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let revision = tree::resolve_revision(&request.revision)?;
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let (blob, mode, path) = if let Some(oid) = request.oid.as_ref() {
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crate::sanitize::validate_oid_hex(&oid.hex)?;
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let id = gix::hash::ObjectId::from_hex(oid.hex.as_bytes())
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.map_err(|e| GitError::InvalidOid(e.to_string()))?;
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(
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repo.find_object(id)?
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.try_into_blob()
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.map_err(|e| GitError::Gix(e.to_string()))?,
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0,
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request.path,
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)
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} else {
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crate::sanitize::validate_file_path(&request.path)?;
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let tree = repo
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.rev_parse_single(format!("{}^{{tree}}", revision).as_str())?
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.object()?
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.try_into_tree()
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.map_err(|e| GitError::Gix(e.to_string()))?;
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let entry = tree
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.lookup_entry_by_path(&request.path)?
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.ok_or_else(|| GitError::NotFound(request.path.clone()))?;
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let mode = u32::from_str_radix(&format!("{:o}", entry.mode()), 8).unwrap_or(0);
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if !matches!(
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entry.mode().kind(),
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EntryKind::Blob | EntryKind::BlobExecutable | EntryKind::Link
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) {
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return Err(GitError::InvalidArgument(
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"path does not point to a blob".into(),
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));
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}
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(
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entry
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.object()?
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.try_into_blob()
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.map_err(|e| GitError::Gix(e.to_string()))?,
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mode,
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request.path,
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)
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};
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let original_size = blob.data.len() as i64;
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let mut data = blob.data.clone();
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let truncated = request.max_bytes > 0 && data.len() > request.max_bytes as usize;
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if truncated {
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data.truncate(request.max_bytes as usize);
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}
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let hex = blob.id.to_string();
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let lfs = tree::is_lfs_pointer(&data);
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let rc = tree::recent_commit(self, &revision, &path);
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Ok(Blob {
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oid: Some(self.oid_to_pb(hex)),
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path,
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mode,
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size: original_size,
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binary: blob.data.contains(&0),
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encoding: String::new(),
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truncated,
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data,
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is_lfs: lfs,
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recent_commit: rc,
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})
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}
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}
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