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fix(discover): encode Windows drive-colon so project auto-detect matches #3007

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fix(discover): encode Windows drive-colon so project auto-detect matches #3007

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25 changes: 20 additions & 5 deletions src/discover/provider.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -117,15 +117,15 @@ impl ClaudeProvider {

/// Encode a filesystem path to Claude Code's directory name format.
///
/// Claude Code replaces `/`, `.`, `_`, `\`, and any non-ASCII character
/// Claude Code replaces `/`, `.`, `_`, `\`, `:`, and any non-ASCII character
/// with `-` when computing the project directory slug under `~/.claude/projects/`.
///
/// `/Users/foo/bar` → `-Users-foo-bar`
/// `/Users/first.last/bar` → `-Users-first-last-bar`
/// `/home/chris/2_project` → `-home-chris-2-project`
/// `C:\Users\foo\bar` → `C:-Users-foo-bar`
/// `C:\Users\foo\bar` → `C--Users-foo-bar`
pub fn encode_project_path(path: &str) -> String {
const SANITIZED_CHARS: &[char] = &['/', '.', '_', '\\', ' ', '[', ']'];
const SANITIZED_CHARS: &[char] = &['/', '.', '_', '\\', ':', ' ', '[', ']'];

path.chars()
.map(|c| {
Expand Down Expand Up @@ -403,10 +403,25 @@ mod tests {

#[test]
fn test_encode_project_path_windows() {
// Windows backslashes are also replaced with '-'
// Windows backslashes AND the drive-letter colon are replaced with '-'.
// Claude Code turns a cwd like `C:\Users\foo\bar` into the projects-dir
// slug `C--Users-foo-bar`; if the colon is kept (`C:-Users-foo-bar`) the
// auto-detected --project filter never matches and `rtk discover` finds
// zero sessions on Windows.
assert_eq!(
ClaudeProvider::encode_project_path(r"C:\Users\foo\bar"),
"C:-Users-foo-bar"
"C--Users-foo-bar"
);
}

#[test]
fn test_encode_project_path_unix_colon() {
// A colon anywhere in a POSIX path is also replaced. The slug encoding is
// platform-independent, so this is not a Windows-only drive-letter special
// case; a colon in a Unix path collapses to '-' the same way.
assert_eq!(
ClaudeProvider::encode_project_path("/home/user/a:b/proj"),
"-home-user-a-b-proj"
);
}

Expand Down