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Update CLI; change command to 'xcaddy'; update readme
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,168 @@ | ||
| // Copyright 2020 Matthew Holt | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package main | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "log" | ||
| "os" | ||
| "os/exec" | ||
| "path/filepath" | ||
| "runtime" | ||
| "strings" | ||
| "time" | ||
|
|
||
| "github.com/caddyserver/builder" | ||
| ) | ||
|
|
||
| func main() { | ||
| if len(os.Args) > 1 && os.Args[1] == "build" { | ||
| if err := runBuild(os.Args[2:]); err != nil { | ||
| log.Fatalf("[ERROR] %v", err) | ||
| } | ||
| return | ||
| } | ||
|
|
||
| // TODO: the caddy version needs to be settable by the user... maybe an env var? | ||
| if err := runDev("v2.0.0-beta.20", os.Args[1:]); err != nil { | ||
| log.Fatalf("[ERROR] %v", err) | ||
| } | ||
| } | ||
|
|
||
| func runBuild(args []string) error { | ||
| // parse the command line args... rather primitively | ||
| var caddyVersion, output string | ||
| var plugins []builder.Dependency | ||
| for i := 0; i < len(args); i++ { | ||
| switch args[i] { | ||
| case "--with": | ||
| if i == len(args)-1 { | ||
| return fmt.Errorf("expected value after --with flag") | ||
| } | ||
| i++ | ||
| var mod, ver string | ||
| arg := args[i] | ||
| parts := strings.SplitN(arg, "@", 2) | ||
| mod = parts[0] | ||
| if len(parts) == 2 { | ||
| ver = parts[1] | ||
| } | ||
| plugins = append(plugins, builder.Dependency{ | ||
| ModulePath: mod, | ||
| Version: ver, | ||
| }) | ||
|
|
||
| case "--output": | ||
| if i == len(args)-1 { | ||
| return fmt.Errorf("expected value after --output flag") | ||
| } | ||
| i++ | ||
| output = args[i+1] | ||
|
|
||
| default: | ||
| if caddyVersion != "" { | ||
| return fmt.Errorf("missing flag; caddy version already set at %s", caddyVersion) | ||
| } | ||
| caddyVersion = args[i] | ||
| } | ||
| } | ||
|
|
||
| // ensure an output file is always specified | ||
| if output == "" { | ||
| if runtime.GOOS == "windows" { | ||
| output = "caddy.exe" | ||
| } else { | ||
| output = "caddy" | ||
| } | ||
| } | ||
|
|
||
| // perform the build | ||
| err := builder.Build(caddyVersion, plugins, output) | ||
| if err != nil { | ||
| log.Fatalf("[FATAL] %v", err) | ||
| } | ||
|
|
||
| // prove the build is working by printing the version | ||
| if !filepath.IsAbs(output) { | ||
| output = "." + string(filepath.Separator) + output | ||
| } | ||
| fmt.Println() | ||
| fmt.Printf("%s version\n", output) | ||
| cmd := exec.Command(output, "version") | ||
| cmd.Stdout = os.Stdout | ||
| cmd.Stderr = os.Stderr | ||
| err = cmd.Run() | ||
| if err != nil { | ||
| log.Fatalf("[FATAL] %v", err) | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func runDev(caddyVersion string, args []string) error { | ||
| const binOutput = "./caddy" | ||
|
|
||
| // get current/main module name | ||
| cmd := exec.Command("go", "list", "-m") | ||
| out, err := cmd.Output() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| currentModule := strings.TrimSpace(string(out)) | ||
|
|
||
| // get its root directory | ||
| cmd = exec.Command("go", "list", "-m", "-f={{.Dir}}") | ||
| out, err = cmd.Output() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| moduleDir := strings.TrimSpace(string(out)) | ||
|
|
||
| // build caddy with this module plugged in | ||
| err = builder.Build(caddyVersion, []builder.Dependency{ | ||
| { | ||
| ModulePath: currentModule, | ||
| Replace: moduleDir, | ||
| }, | ||
| }, binOutput) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| log.Printf("[INFO] Running %v\n\n", append([]string{binOutput}, args...)) | ||
|
|
||
| cmd = exec.Command(binOutput, args...) | ||
| cmd.Stdin = os.Stdin | ||
| cmd.Stdout = os.Stdout | ||
| cmd.Stderr = os.Stderr | ||
| err = cmd.Start() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| cleanup := func() { | ||
| err = os.Remove(binOutput) | ||
| if err != nil && !os.IsNotExist(err) { | ||
| log.Printf("[ERROR] Deleting temporary binary %s: %v", binOutput, err) | ||
| } | ||
| } | ||
| defer cleanup() | ||
| go func() { | ||
| time.Sleep(2 * time.Second) | ||
| cleanup() | ||
| }() | ||
|
|
||
| return cmd.Wait() | ||
| } |
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