Adding upstream version 1.33.5+ds1.upstream/1.33.5+ds1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 51 insertions, 0 deletions

diff --git a/mount.go b/mount.go
new file mode 100644
index 0000000..932c1bb
--- /dev/null
+++ b/mount.go
@@ -0,0 +1,51 @@
+package buildah
+
+import "fmt"
+
+// Mount mounts a container's root filesystem in a location which can be
+// accessed from the host, and returns the location.
+func (b *Builder) Mount(label string) (string, error) {
+	mountpoint, err := b.store.Mount(b.ContainerID, label)
+	if err != nil {
+		return "", fmt.Errorf("mounting build container %q: %w", b.ContainerID, err)
+	}
+	b.MountPoint = mountpoint
+
+	err = b.Save()
+	if err != nil {
+		return "", fmt.Errorf("saving updated state for build container %q: %w", b.ContainerID, err)
+	}
+	return mountpoint, nil
+}
+
+func (b *Builder) setMountPoint(mountPoint string) error {
+	b.MountPoint = mountPoint
+	if err := b.Save(); err != nil {
+		return fmt.Errorf("saving updated state for build container %q: %w", b.ContainerID, err)
+	}
+	return nil
+}
+
+// Mounted returns whether the container is mounted or not
+func (b *Builder) Mounted() (bool, error) {
+	mountCnt, err := b.store.Mounted(b.ContainerID)
+	if err != nil {
+		return false, fmt.Errorf("determining if mounting build container %q is mounted: %w", b.ContainerID, err)
+	}
+	mounted := mountCnt > 0
+	if mounted && b.MountPoint == "" {
+		ctr, err := b.store.Container(b.ContainerID)
+		if err != nil {
+			return mountCnt > 0, fmt.Errorf("determining if mounting build container %q is mounted: %w", b.ContainerID, err)
+		}
+		layer, err := b.store.Layer(ctr.LayerID)
+		if err != nil {
+			return mountCnt > 0, fmt.Errorf("determining if mounting build container %q is mounted: %w", b.ContainerID, err)
+		}
+		return mounted, b.setMountPoint(layer.MountPoint)
+	}
+	if !mounted && b.MountPoint != "" {
+		return mounted, b.setMountPoint("")
+	}
+	return mounted, nil
+}