func (d *addr2Liner) readFrame() (plugin.Frame, bool) {
	funcname, err := d.rw.readLine()
	if err != nil {
		return plugin.Frame{}, true
	}
	if strings.HasPrefix(funcname, "0x") {
		// If addr2line returns a hex address we can assume it is the
		// sentinel. Read and ignore next two lines of output from
		// addr2line
		d.rw.readLine()
		d.rw.readLine()
		return plugin.Frame{}, true
	}

	fileline, err := d.rw.readLine()

env GIT_COMMITTER_NAME=$GIT_AUTHOR_NAME
env GIT_COMMITTER_EMAIL=$GIT_AUTHOR_EMAIL

git init

at 2022-02-23T13:48:02-05:00
git add README.txt
git commit -m 'initial state'
git branch -m main
git tag 'v2.0.0+incompatible'

at 2022-02-23T13:48:35-05:00
git rm -r README.txt
git add go.mod
git commit -m 'migrate to Go modules'
git tag 'v0.1.0+build-metadata'

at 2022-02-23T14:41:55-05:00
git branch v3-dev

# An edited file is shown as uncommitted, even if it isn't part of the build.
cp ../../outside/empty.txt ../README
go install
go version -m $GOBIN/a$GOEXE
stdout '^\tbuild\tvcs.modified=true$'
exec hg revert ../README
rm $GOBIN/a$GOEXE

-- $WORK/fakebin/hg --
#!/bin/sh
exit 1
-- $WORK/fakebin/hg.bat --
exit 1
-- repo/README --
Far out in the uncharted backwaters of the unfashionable end of the western

env GIT_AUTHOR_EMAIL='******@****.***'
env GIT_COMMITTER_NAME=$GIT_AUTHOR_NAME
env GIT_COMMITTER_EMAIL=$GIT_AUTHOR_EMAIL

git init

at 2018-04-17T15:43:22-04:00
unquote ''
cp stdout README
git add README
git commit -a -m 'empty README'
git branch -m master
git tag v1.2.3

at 2018-04-17T15:45:48-04:00
git branch v2
git checkout v2
echo 'v2'
cp stdout v2
git add v2
git commit -a -m 'v2'
git tag v2.3

	defaultOnce.Do(initDefaultCache)
	return defaultCache
}

var (
	defaultOnce  sync.Once
	defaultCache Cache
)

// cacheREADME is a message stored in a README in the cache directory.
// Because the cache lives outside the normal Go trees, we leave the
// README as a courtesy to explain where it came from.
const cacheREADME = `This directory holds cached build artifacts from the Go build system.

// license that can be found in the LICENSE file.

//go:build plan9

package osinfo

import (
	"os"
)

// Version returns the OS version name/number.
func Version() (string, error) {
	b, err := os.ReadFile("/dev/osversion")
	if err != nil {
		return "", err
	}

	return string(b), nil

! stderr 'go mod init'

-- $WORK/test/.git/config --
-- $WORK/test/x/x.go --
package x // import "m/x"
-- $WORK/parent/.git/config --
-- $WORK/parent/goroot/README --
This directory isn't really a GOROOT, but let's pretend that it is.
-- $WORK/parent/goroot/doc/README --

	latest        string                                                                              // name of latest commit on remote (tip, HEAD, etc)
	readFile      func(rev, file, remote string) []string                                             // cmd to read rev's file

	"testing"
)

func Test(t *testing.T) {
	exePath, err := os.Executable()
	if err != nil {
		t.Fatal(err)
	}
	testmainPath := filepath.Join(filepath.Dir(exePath), "_testmain.go")
	source, err := os.ReadFile(testmainPath)
	if err != nil {
		t.Fatal(err)
	}
	if matched, err := regexp.Match(`(?m)^// Code generated .* DO NOT EDIT\.$`, source); err != nil {
		t.Fatal(err)
	} else if !matched {

Austin Clements <******@****.***> 1682707878 -0400