public static Scm readGitInfo()

in src/main/java/org/apache/maven/buildcache/CacheUtils.java [105:127]

• 23 lines of code
• 5 McCabe index (conditional complexity)

    public static Scm readGitInfo(MavenSession session) throws IOException {
        final Scm scmCandidate = new Scm();
        final Path gitDir = getMultimoduleRoot(session).resolve(".git");
        if (Files.isDirectory(gitDir)) {
            final Path headFile = gitDir.resolve("HEAD");
            if (Files.exists(headFile)) {
                String headRef = readFirstLine(headFile, "<missing branch>");
                if (headRef.startsWith("ref: ")) {
                    String branch = trim(removeStart(headRef, "ref: "));
                    scmCandidate.setSourceBranch(branch);
                    final Path refPath = gitDir.resolve(branch);
                    if (Files.exists(refPath)) {
                        String revision = readFirstLine(refPath, "<missing revision>");
                        scmCandidate.setRevision(trim(revision));
                    }
                } else {
                    scmCandidate.setSourceBranch(headRef);
                    scmCandidate.setRevision(headRef);
                }
            }
        }
        return scmCandidate;
    }