locate: fix -G/--non-greedy for tandem repeats

Author: shenwei356

CHANGELOG.md

@@ -1,7 +1,9 @@
 - [SeqKit v2.9.0](https://github.com/shenwei356/seqkit/releases/tag/v2.9.0) - 2024-07-xx
 [![Github Releases (by Release)](https://img.shields.io/github/downloads/shenwei356/seqkit/v2.9.0/total.svg)](https://github.com/shenwei356/seqkit/releases/tag/v2.9.0)
     - `seqkit`:
-        - Fix sequence ID parsing with the default regular expression (in this case, we actually use bytes.Index instead) for a rare case: "xxx\tyyy zzz" was wrongly parsed as "xxx\tyyy". [#486](https://github.com/shenwei356/seqkit/issues/486)
+        - **Fix sequence ID parsing with the default regular expression (in this case, we actually use bytes.Index instead) for a rare case: "xxx\tyyy zzz" was wrongly parsed as "xxx\tyyy"**. [#486](https://github.com/shenwei356/seqkit/issues/486)
+    - `seqkit locate`:
+        - **Fix `-G/--non-greedy` for tandem repeats**, e.g., ATTCGATTCGATTCG (ATTCGx3).
     - `seqkit grep/subseq`:
         - Fix negative regions longer than sequence length. [#479](https://github.com/shenwei356/seqkit/issues/479).
     - `seqkit stats`:

seqkit/cmd/locate.go

@@ -857,7 +857,7 @@ Attention:
 						// }
 
 						if nonGreedy {
-							offset = offset + loc[1] + 1
+							offset = offset + loc[1]
 						} else {
 							offset = offset + loc[0] + 1
 						}
@@ -956,7 +956,7 @@ Attention:
 						// }
 
 						if nonGreedy {
-							offset = offset + loc[1] + 1
+							offset = offset + loc[1]
 						} else {
 							offset = offset + loc[0] + 1
 						}