Spaces at a dash are no part of a stem key

"www.realmom.info - XVID- Farbiges Krabbeltier.r00" beside "… XVID-Farbiges
Krabbeltier.vol03+04.par2": 52 JBinUp uploads were two releases each.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

edge/src/names.rs

@@ -884,9 +884,12 @@ pub fn release_identity(poster: &str, subject: &str, name: &str) -> Release {
     let b = lower.as_bytes();
     let index = if b.starts_with(b"00") { 2 + b[2..].iter().take_while(|c| matches!(c, b'-' | b'_' | b' ' | b'.')).count() } else { 0 };
     let key_stem = if index > 2 { &lower[index..] } else { &lower[..] };
-    Release { key: hash(&["stem", poster, key_stem]), name: stem, source: "stem", file_total }
+    // Nor spaces at a dash ("… XVID- Farbiges Krabbeltier.r00" beside "… XVID-Farbiges Krabbeltier.vol03+04.par2").
+    let key_stem = replace(&DASH_SPACES, key_stem, "-", true);
+    Release { key: hash(&["stem", poster, &key_stem]), name: stem, source: "stem", file_total }
 }
 
+static DASH_SPACES: LazyLock<Regex> = LazyLock::new(|| re(r" *- *"));
 static HEX_ID: LazyLock<Regex> = LazyLock::new(|| re(r"(?i)\[[0-9a-f]{8,}\]"));
 static VIDEO: LazyLock<Regex> = LazyLock::new(|| re(r"(?i)\.(mkv|mp4|avi|m4v|ts|wmv|mov)$"));
 static EPISODE: LazyLock<Regex> = LazyLock::new(|| re(r"(?i)^(.+?)[ ._-]+S([0-9]{1,2})E[0-9]{1,3}"));
@@ -1541,6 +1544,8 @@ mod image_set_tests {
             lois("02", "lois 1258 Billy Joel - Extremes.part01.rar lois 1258 Billy Joel - Extremes ").key,
             lois("01", "lois 1258 Billy Joel - Extremes.par2 lois 1258 Billy Joel - Extremes ").key
         );
+        let jb = |i: &str, n: &str| super::release_identity("JBinUp", &format!(r#"[{i}/58] - Summer Power Up - "{n}" yEnc"#), n);
+        assert_eq!(jb("01", "www.realmom.info - XVID- Farbiges Krabbeltier.r00").key, jb("54", "www.realmom.info - XVID-Farbiges Krabbeltier.vol03+04.par2").key);
         let mdg = |post: &str, i: &str, n: &str| super::release_identity("p", &format!(r#"{post} - ({i}/90) "{n}" - 16,14 MB - yEnc"#), n);
         assert_eq!(mdg("MDG005b", "01", "IMG_2307.JPG").key, mdg("MDG005b", "02", "IMG_2308.jpg").key);
         assert_ne!(mdg("MDG005b", "01", "IMG_2307.JPG").key, mdg("MDG006a", "01", "IMG_4410.JPG").key);

lib/release/identity.ts

@@ -464,7 +464,9 @@ export function releaseIdentity(input: ReleaseInput): ReleaseIdentity | null {
   const base = volume && postTotal && Number(volume[2]) <= postTotal ? volume[1] : stem
   // Without case and a scene index's "00-" ("00-laura_van_dam_-_capture_radio_113-cable-10-10-2026-talion.m3u" beside
   // "Laura_van_Dam_-_Capture_Radio_113-CABLE-10-10-2026-TALiON.par2": one upload, two releases; LOG.md 2026-10-12 (19)).
-  return { key: hash('stem', poster, base.toLowerCase().replace(/^00[-_ .]+/, '')), name: stem, fileTotal, source: 'stem' }
+  // Nor spaces at a dash ("www.realmom.info - XVID- Farbiges Krabbeltier.r00" beside "… XVID-Farbiges Krabbeltier.vol03+04.par2":
+  // 52 uploads were two releases each; LOG.md 2026-10-13 (46)).
+  return { key: hash('stem', poster, base.toLowerCase().replace(/^00[-_ .]+/, '').replace(/ *- */g, '-')), name: stem, fileTotal, source: 'stem' }
 }
 
 /** Release of a par2 recovery set; every file listed in it belongs to it. */

tests/unit/release/identity.spec.ts

@@ -290,6 +290,11 @@ test.group('release / par2 names', () => {
     assert.notEqual(ep(1, 'Pokemon - S02E01 - Pallet Party Panic.mkv').key, ep(1, 'Pokemon - S03E01 - x.mkv').key)
   })
 
+  test('spaces at a dash are no part of a stem key', ({ assert }) => {
+    const id = (i: string, n: string) => releaseIdentity({ poster: 'JBinUp', subject: `[${i}/58] - Summer Power Up - "${n}" yEnc`, name: n, weak: false })!
+    assert.equal(id('01', 'www.realmom.info - XVID- Farbiges Krabbeltier.r00').key, id('54', 'www.realmom.info - XVID-Farbiges Krabbeltier.vol03+04.par2').key)
+  })
+
   test("a scene index's files go with the release: no case, no 00-", ({ assert }) => {
     const id = (n: string) => releaseIdentity({ poster: 'SavageCobra <x@y.nhc>', subject: n, name: n, weak: false })!
     const a = id('00-laura_van_dam_-_capture_radio_113-cable-10-10-2026-talion.m3u')