RGBCube/dix
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main: fix regex version handling

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The previous regex didn't match names without any versions,
this one does.
This commit is contained in:
Bloxx12 2025-05-06 22:20:51 +02:00
parent d8f071c887
commit 78b3e4e3a9
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1 changed files with 10 additions and 6 deletions
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16
src/main.rs
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@ -253,7 +253,7 @@ fn main() {
fn store_path_regex() -> &'static Regex {
static REGEX: OnceLock<Regex> = OnceLock::new();
REGEX.get_or_init(|| {
Regex::new(r"(.+?)-([0-9].*?)$")
Regex::new(r"(.+?)(-([0-9].*?))?$")
.expect("Failed to compile regex pattern for nix store paths")
})
}
@ -269,8 +269,8 @@ fn store_path_regex() -> &'static Regex {
fn get_version<'a>(pack: impl Into<&'a str>) -> Result<(&'a str, &'a str)> {
let path = pack.into();
// We can strip the path since it _always_ starts with
// /nix/store/....-
// We can strip the path since it _always_ follows the format
// /nix/store/<...>-<program_name>-......
// This part is exactly 44 chars long, so we just remove it.
let stripped_path = &path[44..];
debug!("Stripped path: {stripped_path}");
@ -279,11 +279,15 @@ fn get_version<'a>(pack: impl Into<&'a str>) -> Result<(&'a str, &'a str)> {
if let Some(cap) = store_path_regex().captures(stripped_path) {
// Handle potential missing captures safely
let name = cap.get(1).map_or("", |m| m.as_str());
let version = cap.get(2).map_or("", |m| m.as_str());
let mut version = cap.get(2).map_or("<none>", |m| m.as_str());
if name.is_empty() || version.is_empty() {
if version.starts_with('-') {
version = &version[1..];
}
if name.is_empty() {
return Err(AppError::ParseError {
message: format!("Failed to extract name or version from path: {path}"),
message: format!("Failed to extract name from path: {path}"),
context: "get_version".to_string(),
source: None,
});