internal/pkg: create work directory

This is used for artifacts that cure into directories.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/pkg/net_test.go

@@ -65,7 +65,7 @@ func TestHTTP(t *testing.T) {
 			} else if gotIdent := f.ID(); gotIdent != (pkg.Checksum{}) {
 				t.Fatalf("ID: %x, want %x", gotIdent, pkg.Checksum{})
 			}
-		}, pkg.MustDecode("ANVz3GwS4oTcFTOjbc-n_N6MtycCtkELMBJB0ohuRz02PtmWZEJF8v3I51DtM0CY")},
+		}, pkg.MustDecode("E4vEZKhCcL2gPZ2Tt59FS3lDng-d_2SKa2i5G_RbDfwGn6EemptFaGLPUDiOa94C")},
 
 		{"load or store", nil, func(t *testing.T, base *check.Absolute, c *pkg.Cache) {
 			f, err := c.NewHTTPGet(&client, "file:///testdata", testdataChecksum)
@@ -120,7 +120,7 @@ func TestHTTP(t *testing.T) {
 			} else if gotIdent := f.ID(); gotIdent != (pkg.Checksum{}) {
 				t.Fatalf("ID: %x, want %x", gotIdent, pkg.Checksum{})
 			}
-		}, pkg.MustDecode("5ns3Ky8-n_pETpwO3UYA88FKKLins6kxtgRQBEfSiGIpZXu6QCBOW2ukm-nWnUwC")},
+		}, pkg.MustDecode("bAJdeuI2cITlff5uIDbMKIiaW6zB-_XGinOMOMjNmltL3YAanXLiV64_jsXeQMXn")},
 
 		{"store", nil, func(t *testing.T, base *check.Absolute, c *pkg.Cache) {
 			var (
@@ -149,6 +149,6 @@ func TestHTTP(t *testing.T) {
 			} else if checksum != testdataChecksum {
 				t.Fatalf("Hash: %x, want %x", checksum, testdataChecksum)
 			}
-		}, pkg.MustDecode("5ns3Ky8-n_pETpwO3UYA88FKKLins6kxtgRQBEfSiGIpZXu6QCBOW2ukm-nWnUwC")},
+		}, pkg.MustDecode("bAJdeuI2cITlff5uIDbMKIiaW6zB-_XGinOMOMjNmltL3YAanXLiV64_jsXeQMXn")},
 	})
 }