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// Copyright 2019 Google LLC.
// SPDX-License-Identifier: Apache-2.0
//
// besadii is a small CLI tool that triggers depot builds on
// builds.sr.ht
//
// It is designed to run as a post-update git hook on the server
// hosting the depot.
package main
import (
"bytes"
"encoding/json"
"fmt"
"io/ioutil"
"log"
"net/http"
"os"
)
// Represents a builds.sr.ht build object as described on
// https://man.sr.ht/builds.sr.ht/api.md
type Build struct {
Manifest string `json:"manifest"`
Note string `json:"note"`
Tags []string `json:"tags"`
}
// Represents a build trigger object as described on <the docs for
// this are currently down>
type Trigger struct {
Action string `json:"action"`
Condition string `json:"condition"`
To string `json:"to"`
}
// Represents a build manifest for sourcehut.
type Manifest struct {
Image string `json:"image"`
Sources []string `json:"sources"`
Secrets []string `json:"secrets"`
Tasks [](map[string]string) `json:"tasks"`
Triggers []Trigger `json:"triggers"`
}
func prepareManifest(commit string) string {
m := Manifest{
Image: "nixos/latest",
Sources: []string{"https://git.camden.tazj.in/"},
// secret for cachix/tazjin
Secrets: []string{"f7f02546-4d95-44f7-a98e-d61fdded8b5b"},
Tasks: [](map[string]string){
{"setup": `# sourcehut does not censor secrets in builds, hence this hack:
echo -n 'export CACHIX_SIGNING_KEY=' >> ~/.buildenv
cat ~/.cachix-tazjin >> ~/.buildenv
nix-env -iA third_party.cachix -f git.tazj.in
cachix use tazjin
cd git.tazj.in
git checkout ` + commit},
{"build": `cd git.tazj.in
nix-build ci-builds.nix > built-paths`},
{"cache": `cd git.tazj.in
cat built-paths | cachix push tazjin`},
},
Triggers: []Trigger{
Trigger{Action: "email", Condition: "failure", To: "mail@tazj.in"},
},
}
j, _ := json.Marshal(m)
return string(j)
}
// Trigger a build of a given branch & commit on builds.sr.ht
func triggerBuild(branch, commit string) {
build := Build{
Manifest: prepareManifest(commit),
Note: fmt.Sprintf("Build of 'master' at '%s'", commit),
Tags: []string{
"depot", branch,
},
}
body, _ := json.Marshal(build)
reader := ioutil.NopCloser(bytes.NewReader(body))
req, err := http.NewRequest("POST", "https://builds.sr.ht/api/jobs", reader)
if err != nil {
log.Fatalln("[ERROR] failed to create an HTTP request:", err)
}
token := fmt.Sprintf("token %s", os.Getenv("SRHT_TOKEN"))
if token == "" {
log.Fatalln("[ERROR] sourcehut token is not set")
}
req.Header.Add("Authorization", )
req.Header.Add("Content-Type", "application/json")
resp, err := http.DefaultClient.Do(req)
if err != nil {
// This might indicate a temporary error on the sourcehut side, do
// not fail the whole program.
log.Println("failed to send builds.sr.ht request:", err)
return
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
respBody, err := ioutil.ReadAll(resp.Body)
log.Printf("received non-success response from builds.sr.ht: %s (%v)[%s]", respBody, resp.Status, err)
} else {
log.Println("triggered builds.sr.ht job for commit", commit)
}
}
func main() {
triggerBuild("master", "c5806a44a728d5a46878f54de7b695321a38559c")
}
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