feat: initial copy of v0.1.0

generator/cmd/publish/shasums.go

@@ -0,0 +1,39 @@
+package publish
+
+import (
+	"log/slog"
+	"path"
+	"regexp"
+)
+
+func (p *Provider) GetShaSums() (ShaSums, error) {
+	return GetShaSumContents(p.DistPath, p.RepoName, p.Version)
+}
+
+type ShaSums []ShaSum
+type ShaSum struct {
+	Sum  string
+	Path string
+}
+
+func GetShaSumContents(distPath, repoName, version string) (ShaSums, error) {
+	shaSumFileName := repoName + "_" + version + "_SHA256SUMS"
+	shaSumPath := path.Join(distPath, shaSumFileName)
+
+	shaSumLine, err := ReadFile(shaSumPath)
+	if err != nil {
+		return nil, err
+	}
+
+	regEx := regexp.MustCompile(`([0-9a-fA-F]+)\s+(.+)`)
+	shaSums := ShaSums{}
+	for _, line := range shaSumLine {
+		matches := regEx.FindAllStringSubmatch(line, -1)
+		if len(matches) < 1 {
+			slog.Warn("unable to parse SHA sum line", "line", line)
+			continue
+		}
+		shaSums = append(shaSums, ShaSum{Sum: matches[0][1], Path: matches[0][2]})
+	}
+	return shaSums, nil
+}