diff options
Diffstat (limited to 'build.go')
| -rw-r--r-- | build.go | 48 |
1 files changed, 45 insertions, 3 deletions
@@ -1,12 +1,15 @@ package main import ( + "bytes" _ "embed" "encoding/json" + "flag" "fmt" "html/template" "maps" "os" + "os/exec" "regexp" "slices" "strconv" @@ -16,6 +19,9 @@ import ( log "github.com/sirupsen/logrus" ) +const caniuseRepoURL = "https://github.com/jplatte/caniuse.rs" +const rustRepoURL = "https://github.com/rust-lang/rust" + var codeRegex = regexp.MustCompile("`(.+?)`") //go:embed template.html.tmpl @@ -27,13 +33,39 @@ var script []byte //go:embed style.css var style []byte +//go:embed find-lib-feats.sh +var findLibFeatsShellCommand string + func main() { caniuseRepo := "caniuse.rs" + rustRepo := "rust" outDir := "out" - libFeaturesText, err := os.ReadFile("lib_feats.txt") + skipDownload := flag.Bool("skip-download", false, + fmt.Sprintf("skip cloning/updating the %s and %s repos", caniuseRepo, rustRepo)) + flag.Parse() + + if !*skipDownload { + if _, err := os.Stat(caniuseRepo); os.IsNotExist(err) { + runCommand("git", "clone", caniuseRepoURL, caniuseRepo) + } else { + runCommand("git", "-C", caniuseRepo, "pull") + } + + if _, err := os.Stat(rustRepo); os.IsNotExist(err) { + runCommand("git", "clone", rustRepoURL, rustRepo, "--depth", "1") + } else { + runCommand("git", "-C", rustRepo, "fetch", "--depth", "1") + runCommand("git", "-C", rustRepo, "reset", "--hard", "origin/master") + } + } + + cmd := exec.Command("sh", "-c", findLibFeatsShellCommand, "find-lib-feats.sh", rustRepo) + var stderr bytes.Buffer + cmd.Stderr = &stderr + libFeaturesText, err := cmd.Output() if err != nil { - log.Fatalf("error reading lib_feats.txt: %s", err) + log.WithField("stderr", stderr.String()).Fatalf("failed to run shell command to find library features: %s", err) } libFeatureFlags := strings.Split(string(libFeaturesText), "\n") @@ -110,7 +142,8 @@ func main() { err = tmpl.Execute(outputFile, map[string]any{ - "Versions": versions, + "Versions": versions, + "CaniuseRepoURL": caniuseRepoURL, }, ) if err != nil { @@ -235,6 +268,15 @@ func compareVersion(a, b string) int { return aMinor - bMinor } +func runCommand(name string, args ...string) { + cmd := exec.Command(name, args...) + var stderr bytes.Buffer + cmd.Stderr = &stderr + if err := cmd.Run(); err != nil { + log.WithField("stderr", stderr.String()).Fatalf("command '%s %v' failed: %v", name, args, err) + } +} + // workaround for https://github.com/golang/go/issues/37711 func nilAsEmptyArray[T any](slice []T) []T { return append([]T{}, slice...) |