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Bryan C. Mills c9211577eb cmd/go/internal/modfetch: remove error return from Lookup
We generally don't care about errors in resolving a repo if the result
we're looking for is already in the module cache. Moreover, we can
avoid some expense in initializing the repo if all of the methods we
plan to call on it hit in the cache — especially when using
GOPROXY=direct.

This also incidentally fixes a possible (but rare) bug in Download:
we had forgotten to reset the downloaded file in case the Zip method
returned an error after writing a nonzero number of bytes.

For #37438

Change-Id: Ib64f10f763f6d1936536b8e1f7d31ed1b463e955
Reviewed-on: https://go-review.googlesource.com/c/go/+/259158
Trust: Bryan C. Mills <bcmills@google.com>
Trust: Jay Conrod <jayconrod@google.com>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Michael Matloob <matloob@golang.org>
Reviewed-by: Jay Conrod <jayconrod@google.com>
2020-10-13 20:13:34 +00:00
.github .github: add link to questions in ISSUE_TEMPLATE 2020-01-06 17:05:31 +00:00
api text/template: add CommentNode to template parse tree 2020-08-28 21:45:12 +00:00
doc doc: update install docs for 387->softfloat transition 2020-10-09 02:49:19 +00:00
lib/time lib/time, time/tzdata: update tz data to 2020b 2020-10-13 08:36:41 +00:00
misc all: enable more tests on macOS/ARM64 2020-10-06 21:56:24 +00:00
src cmd/go/internal/modfetch: remove error return from Lookup 2020-10-13 20:13:34 +00:00
test cmd/compile: reject misplaced go:build comments 2020-10-13 01:16:45 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore
AUTHORS A+C: add Kush Patel (corporate CLA for Hootsuite Inc) 2020-07-08 00:10:44 +00:00
CONTRIBUTING.md
CONTRIBUTORS CONTRIBUTORS: update for the Go 1.15 release 2020-08-10 21:51:48 +00:00
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SECURITY.md SECURITY.md: update go versions 2019-09-26 15:34:57 +00:00
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README.md

The Go Programming Language

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

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Our canonical Git repository is located at https://go.googlesource.com/go. There is a mirror of the repository at https://github.com/golang/go.

Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.

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After downloading a binary release, visit https://golang.org/doc/install or load doc/install.html in your web browser for installation instructions.

Install From Source

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Contributing

Go is the work of thousands of contributors. We appreciate your help!

To contribute, please read the contribution guidelines: https://golang.org/doc/contribute.html

Note that the Go project uses the issue tracker for bug reports and proposals only. See https://golang.org/wiki/Questions for a list of places to ask questions about the Go language.