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Jay Conrod 0b80cf1136 cmd/go: make 'go get' save sums for incidentally updated modules
When 'go get' updates a module, it may update another module in the
build list that provides a package in 'all' that wasn't loaded as part
of the 'go get' command. If 'go get' doesn't add a sum for that
module, builds may fail later.

With this change, 'go get' will fetch a sum for the content of an
updated module if we had a sum for the version before the update.

'go get' won't load the complete package graph, so there are still
cases where the build may be broken, like when an updated (but not
loaded) package imports a package from a new module.

Fixes #44129

Change-Id: I62eba3df4137a3e84e2ca8d549c36eec3670f08c
Reviewed-on: https://go-review.googlesource.com/c/go/+/322832
Trust: Jay Conrod <jayconrod@google.com>
Trust: Bryan C. Mills <bcmills@google.com>
Run-TryBot: Jay Conrod <jayconrod@google.com>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
2021-06-01 12:20:06 +00:00
.github .github: add link to questions in ISSUE_TEMPLATE 2020-01-06 17:05:31 +00:00
api text/template/parse: rename DeferFuncCheck to SkipFuncCheck 2021-05-06 13:39:37 +00:00
doc doc/go1.17: mention time.Layout 2021-05-29 01:59:17 +00:00
lib/time lib/time, time/tzdata: update tzdata to 2021a 2021-01-25 16:08:46 +00:00
misc misc/wasm: ensure correct stack pointer in catch clauses 2021-05-24 22:12:19 +00:00
src cmd/go: make 'go get' save sums for incidentally updated modules 2021-06-01 12:20:06 +00:00
test cmd/compile: revert CL/316890 2021-05-22 00:51:17 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore internal/buildcfg: move build configuration out of cmd/internal/objabi 2021-04-16 19:20:53 +00:00
AUTHORS A+C: add Weixie Cui (individual CLA) 2021-04-30 16:27:50 +00:00
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README.md

The Go Programming Language

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