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Jay Conrod 5cd4390f38 cmd/go: don't fetch files missing sums in readonly mode
If the go command needs a .mod or .zip file in -mod=readonly mode
(now the default), and that file doesn't have a hash in the main
module's go.sum file, the go command will now report an error before
fetching the file, rather than at the end when failing to update
go.sum. The error says specifically which entry is missing.

If this error is encountered when loading the build list, it will
suggest 'go mod tidy'.

If this error is encountered when loading a specific package (an
import or command line argument), the error will mention that package
and will suggest 'go mod tidy' or 'go get -d'.

Fixes #41934
Fixes #41935

Change-Id: I96ec2ef9258bd4bade9915c43d47e6243c376a81
Reviewed-on: https://go-review.googlesource.com/c/go/+/262341
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Trust: Jay Conrod <jayconrod@google.com>
2020-10-23 20:54:30 +00:00
.github .github: add link to questions in ISSUE_TEMPLATE 2020-01-06 17:05:31 +00:00
api io/fs: move FileInfo, FileMode, PathError, ErrInvalid, ... from os to io/fs 2020-10-20 02:32:41 +00:00
doc doc/go1.16: document ASLR support for -buildmode=c-shared on windows 2020-10-22 23:00:42 +00:00
lib/time lib/time, time, time/tzdata: use slim tz data format 2020-10-14 09:00:41 +00:00
misc syscall: support POSIX semantics for Linux syscalls 2020-10-23 20:53:14 +00:00
src cmd/go: don't fetch files missing sums in readonly mode 2020-10-23 20:54:30 +00:00
test cmd/internal/obj: reject too large symbols 2020-10-20 18:51:03 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A+C: add Kush Patel (corporate CLA for Hootsuite Inc) 2020-07-08 00:10:44 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS CONTRIBUTORS: update for the Go 1.15 release 2020-08-10 21:51:48 +00:00
LICENSE
PATENTS
README.md README: linkify some paths 2018-06-06 18:07:01 +00:00
SECURITY.md SECURITY.md: update go versions 2019-09-26 15:34:57 +00:00
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robots.txt

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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