build: set provenance vcs details

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

util/gitutil/gitutil_test.go

@@ -0,0 +1,69 @@
+package gitutil
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestGit(t *testing.T) {
+	c := New()
+	out, err := c.run("status")
+	require.NoError(t, err)
+	require.NotEmpty(t, out)
+
+	out, err = c.clean(c.run("not-exist"))
+	require.Error(t, err)
+	require.Empty(t, out)
+	require.Equal(t, "git: 'not-exist' is not a git command. See 'git --help'.", err.Error())
+}
+
+func TestGitFullCommit(t *testing.T) {
+	Mktmp(t)
+	GitInit(t)
+	GitCommit(t, "bar")
+
+	c := New()
+	out, err := c.FullCommit()
+	require.NoError(t, err)
+	require.Equal(t, 40, len(out))
+}
+
+func TestGitShortCommit(t *testing.T) {
+	Mktmp(t)
+	GitInit(t)
+	GitCommit(t, "bar")
+
+	c := New()
+	out, err := c.ShortCommit()
+	require.NoError(t, err)
+	require.Equal(t, 7, len(out))
+}
+
+func TestGitTagsPointsAt(t *testing.T) {
+	Mktmp(t)
+	GitInit(t)
+	GitCommit(t, "bar")
+	GitTag(t, "v0.8.0")
+	GitCommit(t, "foo")
+	GitTag(t, "v0.9.0")
+
+	c := New()
+	out, err := c.clean(c.run("tag", "--points-at", "HEAD", "--sort", "-version:creatordate"))
+	require.NoError(t, err)
+	require.Equal(t, "v0.9.0", out)
+}
+
+func TestGitDescribeTags(t *testing.T) {
+	Mktmp(t)
+	GitInit(t)
+	GitCommit(t, "bar")
+	GitTag(t, "v0.8.0")
+	GitCommit(t, "foo")
+	GitTag(t, "v0.9.0")
+
+	c := New()
+	out, err := c.clean(c.run("describe", "--tags", "--abbrev=0"))
+	require.NoError(t, err)
+	require.Equal(t, "v0.9.0", out)
+}