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Michael Matloob efc37e97c0 cmd/go: always return the cached path from go tool -n
If we're running go tool -n always return the cached path of the tool.
We can't always use the cached path when running the tool because if we
copied the tool to the cached location in the same process and then try
to run it we'll run into #22315, producing spurious ETXTBSYs.

Fixes #72824

Change-Id: I81f23773b9028f955ccc97453627ae4f2573814b
Reviewed-on: https://go-review.googlesource.com/c/go/+/688895
Auto-Submit: Michael Matloob <matloob@golang.org>
Reviewed-by: Michael Matloob <matloob@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2025-07-24 08:59:40 -07:00
.github .github: update language change proposal template 2024-08-08 19:02:29 +00:00
api testing: add Output method to TB 2025-06-02 09:09:57 -07:00
doc doc/next: initialize 2025-07-23 11:41:17 -07:00
lib cmd/dist: test encoding/json/... with GOEXPERIMENT=jsonv2 2025-06-23 18:21:07 -07:00
misc misc/linkcheck: remove unused tool 2025-03-20 04:38:55 -07:00
src cmd/go: always return the cached path from go tool -n 2025-07-24 08:59:40 -07:00
test cmd/compile/internal/escape: evaluate any side effects when rewriting with literals 2025-06-26 10:24:19 -07:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore runtime,internal: move runtime/internal/sys to internal/runtime/sys 2024-07-23 19:05:35 +00:00
codereview.cfg codereview.cfg: add codereview.cfg for master branch 2021-02-19 18:44:53 +00:00
CONTRIBUTING.md doc: normalize proposal-process links 2023-03-29 22:00:27 +00:00
go.env cmd/go: additional doc-inspired tests and bug fixes 2023-06-06 19:18:46 +00:00
LICENSE LICENSE: update per Google Legal 2024-08-09 14:54:31 +00:00
PATENTS LICENSE: separate, change PATENTS text 2010-12-06 16:31:59 -05:00
README.md README: fix CC BY license name 2024-07-22 17:45:27 +00:00
SECURITY.md SECURITY.md: update the Reporting a Vulnerability link 2023-09-22 21:17:24 +00:00

The Go Programming Language

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