libsysprof-profile: import podman utils

This comes from libsysprof, which we hope to remove as part of this move
to libsysprof-profile vs libsysprof-analyze.

src/libsysprof-profile/sysprof-podman-private.h

@@ -0,0 +1,36 @@
+/* sysprof-podman-private.h
+ *
+ * Copyright 2020 Christian Hergert <chergert@redhat.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#pragma once
+
+#include <glib.h>
+
+G_BEGIN_DECLS
+
+typedef struct _SysprofPodman SysprofPodman;
+
+SysprofPodman  *sysprof_podman_snapshot_current_user (void);
+gchar         **sysprof_podman_get_layers            (SysprofPodman *self,
+                                                      const char    *container);
+void            sysprof_podman_free                  (SysprofPodman *self);
+
+G_DEFINE_AUTOPTR_CLEANUP_FUNC (SysprofPodman, sysprof_podman_free)
+
+G_END_DECLS