From: Ian Lance Taylor <iant@golang.org>
Date: Sat, 4 May 2019 17:58:42 +0000 (-0700)
Subject: cmd/go: simplify some modfetch code
X-Git-Tag: go1.13beta1~392
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=3e7e2546fc77a80002afcd8ed890b3fe3af48972;p=gostls13.git

cmd/go: simplify some modfetch code

No point to s[:].

Change-Id: I9ba5483010180015555ecbed87c1ac82903fd9dc
Reviewed-on: https://go-review.googlesource.com/c/go/+/175277
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
---

diff --git a/src/cmd/go/internal/modfetch/pseudo.go b/src/cmd/go/internal/modfetch/pseudo.go
index 0d3be10491..e13607ac2b 100644
--- a/src/cmd/go/internal/modfetch/pseudo.go
+++ b/src/cmd/go/internal/modfetch/pseudo.go
@@ -62,9 +62,8 @@ func PseudoVersion(major, older string, t time.Time, rev string) string {
 
 	// Form (2), (3).
 	// Extract patch from vMAJOR.MINOR.PATCH
-	v := older[:]
-	i := strings.LastIndex(v, ".") + 1
-	v, patch := v[:i], v[i:]
+	i := strings.LastIndex(older, ".") + 1
+	v, patch := older[:i], older[i:]
 
 	// Increment PATCH by adding 1 to decimal:
 	// scan right to left turning 9s to 0s until you find a digit to increment.