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build: set GOPATH consistently in run.bash, run.bat, run.rc

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We used to clear GOPATH in all the build scripts.
Clearing GOPATH is misleading at best, since you just end up
with the default GOPATH (%USERPROFILE%\go on Windows).
Unless that's your GOROOT, in which case you end up with a
fatal error from the go command (#43938).

run.bash changed to setting GOPATH=/dev/null, which has no
clear analogue on Windows.

run.rc still clears GOPATH.

Change them all to set GOPATH to a non-existent directory
/nonexist-gopath or c:\nonexist-gopath.

Change-Id: I51edd66d37ff6a891b0d0541d91ecba97fbbb03d
Reviewed-on: https://go-review.googlesource.com/c/go/+/288818
Trust: Russ Cox <rsc@golang.org>
Trust: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Reviewed-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Russ Cox 2021-01-26 21:14:43 -05:00
parent a1222b7535
commit bb6efb9609
3 changed files with 6 additions and 17 deletions
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10
src/run.bash
View file

@ -23,15 +23,7 @@ fi
eval $(../bin/go env)
export GOROOT # The api test requires GOROOT to be set, so set it to match ../bin/go.
# We disallow local import for non-local packages, if $GOROOT happens
# to be under $GOPATH, then some tests below will fail. $GOPATH needs
# to be set to a non-empty string, else Go will set a default value
# that may also conflict with $GOROOT. The $GOPATH value doesn't need
# to point to an actual directory, it just needs to pass the semantic
# checks performed by Go. Use $GOROOT to define $GOPATH so that we
# don't blunder into a user-defined symbolic link.
export GOPATH=/dev/null
export GOPATH=/nonexist-gopath
unset CDPATH # in case user has it set
export GOBIN=$GOROOT/bin # Issue 14340

4
src/run.bat
View file

@ -18,9 +18,7 @@ setlocal
set GOBUILDFAIL=0
:: we disallow local import for non-local packages, if %GOROOT% happens
:: to be under %GOPATH%, then some tests below will fail
set GOPATH=
set GOPATH=c:\nonexist-gopath
:: Issue 14340: ignore GOBIN during all.bat.
set GOBIN=
set GOFLAGS=

9
src/run.rc
View file

@ -12,10 +12,9 @@ if(! test -f ../bin/go){
eval `{../bin/go env}
GOPATH = () # we disallow local import for non-local packages, if $GOROOT happens
# to be under $GOPATH, then some tests below will fail
GOBIN = () # Issue 14340
GOFLAGS = ()
GO111MODULE = ()
GOPATH=/nonexist-gopath
GOBIN=() # Issue 14340
GOFLAGS=()
GO111MODULE=()
exec ../bin/go tool dist test -rebuild $*