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Inject XCADDY_GO_BUILD_FLAGS through go operations (#102) (#110)

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* Extend XCADDY_GO_BUILD_FLAGS usage (#102)

Commit 47f9ded5d8 is not sufficient alone to
ensure that all go modules are installed with write bit set because 'go mod'
or 'go get' might install modules as read-only, too.

If set, the environment variable is appended for the other go commands that
support build flags.

* Make running 'go' implicit for build environment

The method newCommand runs only go commands so let's make command 'go'
implicit and rename it to make it more verbose.
This commit is contained in:
Aapo Keskimölö 2022-08-16 22:19:15 +03:00 committed by GitHub
parent 979de371dd
commit edc1f41778
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 24 additions and 19 deletions
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15
builder.go
View file

@ -29,8 +29,6 @@ import (
"time"
"github.com/Masterminds/semver/v3"
"github.com/caddyserver/xcaddy/internal/utils"
"github.com/google/shlex"
)
// Builder can produce a custom Caddy build with the
@ -104,27 +102,20 @@ func (b Builder) Build(ctx context.Context, outputFile string) error {
log.Println("[INFO] Building Caddy")
// tidy the module to ensure go.mod and go.sum are consistent with the module prereq
tidyCmd := buildEnv.newCommand(utils.GetGo(), "mod", "tidy")
tidyCmd := buildEnv.newGoCommand("mod", "tidy")
if err := buildEnv.runCommand(ctx, tidyCmd, b.TimeoutGet); err != nil {
return err
}
// compile
cmd := buildEnv.newCommand(utils.GetGo(), "build",
cmd := buildEnv.newGoCommand("build",
"-o", absOutputFile,
)
if b.Debug {
// support dlv
cmd.Args = append(cmd.Args, "-gcflags", "all=-N -l")
} else {
if b.BuildFlags != "" {
// override build flags from environment if given
flags, err := shlex.Split(b.BuildFlags)
if err != nil {
log.Fatalf("[FATAL] Splitting arguments failed: %s", b.BuildFlags)
}
cmd.Args = append(cmd.Args, flags...)
} else {
if buildEnv.buildFlags == "" {
cmd.Args = append(cmd.Args,
"-ldflags", "-w -s", // trim debug symbols
"-trimpath",

28
environment.go
View file

@ -28,6 +28,7 @@ import (
"time"
"github.com/caddyserver/xcaddy/internal/utils"
"github.com/google/shlex"
)
func (b Builder) newEnvironment(ctx context.Context) (*environment, error) {
@ -103,7 +104,8 @@ func (b Builder) newEnvironment(ctx context.Context) (*environment, error) {
// initialize the go module
log.Println("[INFO] Initializing Go module")
cmd := env.newCommand(utils.GetGo(), "mod", "init", "caddy")
cmd := env.newGoCommand("mod", "init")
cmd.Args = append(cmd.Args, "caddy")
err = env.runCommand(ctx, cmd, 10*time.Second)
if err != nil {
return nil, err
@ -113,7 +115,7 @@ func (b Builder) newEnvironment(ctx context.Context) (*environment, error) {
replaced := make(map[string]string)
for _, r := range b.Replacements {
log.Printf("[INFO] Replace %s => %s", r.Old.String(), r.New.String())
cmd := env.newCommand(utils.GetGo(), "mod", "edit",
cmd := env.newGoCommand("mod", "edit",
"-replace", fmt.Sprintf("%s=%s", r.Old.Param(), r.New.Param()))
err := env.runCommand(ctx, cmd, 10*time.Second)
if err != nil {
@ -192,11 +194,23 @@ func (env environment) Close() error {
return os.RemoveAll(env.tempFolder)
}
func (env environment) newCommand(command string, args ...string) *exec.Cmd {
cmd := exec.Command(command, args...)
func (env environment) newGoCommand(args ...string) *exec.Cmd {
cmd := exec.Command(utils.GetGo(), args...)
cmd.Dir = env.tempFolder
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if env.buildFlags == "" {
return cmd
}
flags, err := shlex.Split(env.buildFlags)
if err != nil {
log.Printf("[ERROR] Splitting arguments failed: %s", env.buildFlags)
return cmd
}
cmd.Args = append(cmd.Args, flags...)
return cmd
}
@ -262,14 +276,14 @@ func (env environment) execGoGet(ctx context.Context, modulePath, moduleVersion,
caddy += "@" + caddyVersion
}
cmd := env.newGoCommand("get", "-d", "-v")
// using an empty string as an additional argument to "go get"
// breaks the command since it treats the empty string as a
// distinct argument, so we're using an if statement to avoid it.
var cmd *exec.Cmd
if caddy != "" {
cmd = env.newCommand(utils.GetGo(), "get", "-d", "-v", mod, caddy)
cmd.Args = append(cmd.Args, mod, caddy)
} else {
cmd = env.newCommand(utils.GetGo(), "get", "-d", "-v", mod)
cmd.Args = append(cmd.Args, mod)
}
return env.runCommand(ctx, cmd, env.timeoutGoGet)