2e80b32c41
* Avoid double removal of temp binary * Add back accidentally removed empty line * Simplify regex * Use unique build output directories in test cases * Recover TestLaunchDebugRequest hidden logging and refine error check * Special case access-denied error on Windows * Remove special case for access denied on Windows * Increase remove delay on Win Co-authored-by: Polina Sokolova <polinasok@users.noreply.github.com>
82 lines
2.6 KiB
Go
82 lines
2.6 KiB
Go
// Package gobuild provides utilities for building programs and tests
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// for the debugging session.
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package gobuild
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import (
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"fmt"
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"os"
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"os/exec"
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"runtime"
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"time"
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"github.com/go-delve/delve/pkg/config"
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"github.com/go-delve/delve/pkg/goversion"
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)
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// Remove the file at path and issue a warning to stderr if this fails.
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// This can be used to remove the temporary binary generated for the session.
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func Remove(path string) {
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err := os.Remove(path)
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// Open files can be removed on Unix, but not on Windows, where there also appears
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// to be a delay in releasing the binary when the process exits. So we try again.
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if err != nil && runtime.GOOS == "windows" {
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time.Sleep(100 * time.Microsecond)
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err = os.Remove(path)
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}
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if err != nil {
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fmt.Fprintf(os.Stderr, "could not remove %v: %v\n", path, err)
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}
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}
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// optflags generates default build flags to turn off optimization and inlining.
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func optflags(args []string) []string {
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// after go1.9 building with -gcflags='-N -l' and -a simultaneously works.
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// after go1.10 specifying -a is unnecessary because of the new caching strategy,
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// but we should pass -gcflags=all=-N -l to have it applied to all packages
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// see https://github.com/golang/go/commit/5993251c015dfa1e905bdf44bdb41572387edf90
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ver, _ := goversion.Installed()
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switch {
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case ver.Major < 0 || ver.AfterOrEqual(goversion.GoVersion{Major: 1, Minor: 10, Rev: -1}):
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args = append(args, "-gcflags", "all=-N -l")
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case ver.AfterOrEqual(goversion.GoVersion{Major: 1, Minor: 9, Rev: -1}):
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args = append(args, "-gcflags", "-N -l", "-a")
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default:
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args = append(args, "-gcflags", "-N -l")
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}
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return args
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}
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// GoBuild builds non-test files in 'pkgs' with the specified 'buildflags'
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// and writes the output at 'debugname'.
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func GoBuild(debugname string, pkgs []string, buildflags string) error {
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args := []string{"-o", debugname}
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args = optflags(args)
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if buildflags != "" {
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args = append(args, config.SplitQuotedFields(buildflags, '\'')...)
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}
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args = append(args, pkgs...)
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return gocommand("build", args...)
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}
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// GoBuild builds test files 'pkgs' with the specified 'buildflags'
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// and writes the output at 'debugname'.
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func GoTestBuild(debugname string, pkgs []string, buildflags string) error {
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args := []string{"-c", "-o", debugname}
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args = optflags(args)
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if buildflags != "" {
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args = append(args, config.SplitQuotedFields(buildflags, '\'')...)
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}
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args = append(args, pkgs...)
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return gocommand("test", args...)
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}
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func gocommand(command string, args ...string) error {
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allargs := []string{command}
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allargs = append(allargs, args...)
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goBuild := exec.Command("go", allargs...)
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goBuild.Stderr = os.Stderr
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goBuild.Stdout = os.Stdout
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return goBuild.Run()
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}
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