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improved precommit hook, to allow global installation

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This commit is contained in:
Mick Grove 2025-07-28 10:26:32 -07:00
commit a270d8ecb2
1 changed files with 17 additions and 1 deletions
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18
src/scanner/docker.rs
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@ -53,6 +53,20 @@ fn helper_get_creds(helper: &str, registry: &str) -> Option<(String, String)> {
None
}
/// Turn `registry.example.com/foo/bar:latest` into something like
/// `registry.example.com_foo_bar_latest_4d3c9e83`
fn image_dir_name(reference: &str) -> String {
// keep it readable
let mut name = reference.replace(['/', ':'], "_");
// add a truncated SHA-256 to guarantee uniqueness
let hash = Sha256::digest(reference.as_bytes());
let short = &hex::encode(hash)[..8]; // 8-char prefix is plenty
name.push('_');
name.push_str(short);
name
}
fn creds_from_docker_config(registry: &str) -> Option<(String, String)> {
let config_dir = env::var("DOCKER_CONFIG")
.map(PathBuf::from)
@ -244,8 +258,9 @@ pub async fn save_docker_images(
) -> Result<Vec<(PathBuf, String)>> {
let docker = Docker::new();
let mut dirs = Vec::new();
for image in images {
let dir_name = image.replace(['/', ':'], "_");
let dir_name = image_dir_name(image);
let out_dir = clone_root.join(format!("docker_{dir_name}"));
docker
.save_image_to_dir(image, &out_dir, use_progress)
@ -253,6 +268,7 @@ pub async fn save_docker_images(
.with_context(|| format!("saving image {image}"))?;
dirs.push((out_dir, image.clone()));
}
Ok(dirs)
}