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cmd/go: support the -overlay flag for go mod commands

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Move the declaration of the -overlay flag to base.AddModCommonFlags,
where other flags that are needed for go mod commands and for builds
are declared. The flag's already initialized in modload.Init so
there's no additional work needed to be done to support it in the go
mod commands.

For #39958

Change-Id: I70725d620cc69cb820f6ed923d626f4fe041b1c5
Reviewed-on: https://go-review.googlesource.com/c/go/+/272126
Trust: Michael Matloob <matloob@golang.org>
Run-TryBot: Michael Matloob <matloob@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Jay Conrod <jayconrod@google.com>
This commit is contained in:
Michael Matloob 2020-11-20 14:09:03 -05:00
parent c47eac7db0
commit 78e59bb1f7
3 changed files with 13 additions and 2 deletions
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2
src/cmd/go/internal/base/flag.go
View File

@ -8,6 +8,7 @@ import (
"flag"
"cmd/go/internal/cfg"
"cmd/go/internal/fsys"
"cmd/go/internal/str"
)
@ -66,4 +67,5 @@ func AddModFlag(flags *flag.FlagSet) {
func AddModCommonFlags(flags *flag.FlagSet) {
flags.BoolVar(&cfg.ModCacheRW, "modcacherw", false, "")
flags.StringVar(&cfg.ModFile, "modfile", "", "")
flags.StringVar(&fsys.OverlayFile, "overlay", "", "")
}

7
src/cmd/go/internal/work/build.go
View File

@ -267,6 +267,11 @@ func AddBuildFlags(cmd *base.Command, mask BuildFlagMask) {
}
if mask&OmitModCommonFlags == 0 {
base.AddModCommonFlags(&cmd.Flag)
} else {
// Add the overlay flag even when we don't add the rest of the mod common flags.
// This only affects 'go get' in GOPATH mode, but add the flag anyway for
// consistency.
cmd.Flag.StringVar(&fsys.OverlayFile, "overlay", "", "")
}
cmd.Flag.StringVar(&cfg.BuildContext.InstallSuffix, "installsuffix", "", "")
cmd.Flag.Var(&load.BuildLdflags, "ldflags", "")
@ -279,8 +284,6 @@ func AddBuildFlags(cmd *base.Command, mask BuildFlagMask) {
cmd.Flag.BoolVar(&cfg.BuildTrimpath, "trimpath", false, "")
cmd.Flag.BoolVar(&cfg.BuildWork, "work", false, "")
cmd.Flag.StringVar(&fsys.OverlayFile, "overlay", "", "")
// Undocumented, unstable debugging flags.
cmd.Flag.StringVar(&cfg.DebugActiongraph, "debug-actiongraph", "", "")
cmd.Flag.StringVar(&cfg.DebugTrace, "debug-trace", "", "")

6
src/cmd/go/testdata/script/mod_overlay.txt vendored
View File

@ -32,7 +32,10 @@ cmp $WORK/overlay/get_doesnt_add_dep_go_mod $WORK/want_go_mod
cd $WORK/gopath/src/overlay-sum-used
! go get -d .
stderr 'SECURITY ERROR'
! go mod verify
stderr 'SECURITY ERROR'
go get -d -overlay overlay.json .
go mod verify -overlay overlay.json
# Overlaid go.sum is not rewritten.
# Copy an incomplete file to the overlay file, and expect an error
# attempting to update the file
@ -40,6 +43,9 @@ cp incomplete-sum-file $WORK/overlay/overlay-sum-used-correct-sums
! go get -d -overlay overlay.json .
stderr 'overlaid files can''t be opened for write'
cmp incomplete-sum-file $WORK/overlay/overlay-sum-used-correct-sums
! go mod tidy -overlay overlay.json
stderr 'overlaid files can''t be opened for write'
cmp incomplete-sum-file $WORK/overlay/overlay-sum-used-correct-sums
# -overlay works with -modfile.
# There's an empty go.mod file in the directory, and the file alternate.mod is