Remove dib-block-device console entrypoint

This is never called externally to dib, so doesn't need to be an
entrypoint.  Call it from within dib using the running python
executable and from the lib/ directory; this means we do not need to
have the virtualenv activated to run disk-image-create.

Change-Id: Ie9b551824792864402b0c63ccc350dc5c92dcc3f

diskimage_builder/lib/dib-block-device.py

@@ -0,0 +1,7 @@
+import sys
+
+from diskimage_builder.block_device.cmd import main
+
+
+if __name__ == "__main__":
+    sys.exit(main())

diskimage_builder/lib/disk-image-create

@@ -41,6 +41,8 @@ diskimage_builder.paths.show_path("elements")')
 
 source $_LIB/die
 
+DIB_BLOCK_DEVICE="${DIB_PYTHON_EXEC} ${_LIB}/dib-block-device.py"
+
 IS_RAMDISK=0
 if [ "$SCRIPTNAME" == "ramdisk-image-create" ]; then
   IS_RAMDISK=1
@@ -330,19 +332,19 @@ mount-base: ${TMP_BUILD_DIR}/mnt
 build-dir: ${TMP_BUILD_DIR}
 EOF
 
-dib-block-device init
+${DIB_BLOCK_DEVICE} init
 
 # Need to get the real root label because it can be overwritten
 # by the BLOCK_DEVICE_CONFIG.
-DIB_ROOT_LABEL=$(dib-block-device getval root-label)
+DIB_ROOT_LABEL=$(${DIB_BLOCK_DEVICE} getval root-label)
 export DIB_ROOT_LABEL
 
 # Need to get the real fs type for the root filesystem
-DIB_ROOT_FSTYPE=$(dib-block-device getval root-fstype)
+DIB_ROOT_FSTYPE=$(${DIB_BLOCK_DEVICE} getval root-fstype)
 export DIB_ROOT_FSTYPE
 
 # retrieve mount points so we can reuse in elements
-DIB_MOUNTPOINTS=$(dib-block-device getval mount-points)
+DIB_MOUNTPOINTS=$(${DIB_BLOCK_DEVICE} getval mount-points)
 export DIB_MOUNTPOINTS
 
 create_base
@@ -501,33 +503,33 @@ if [ -z ${IMAGE_BLOCK_DEVICE} ] ; then
     fi
 
     # After changeing the parameters, there is the need to
-    # re-run dib-block-device init because some value might
+    # re-run ${DIB_BLOCK_DEVICE} init because some value might
     # change based on the new set parameters.
-    dib-block-device init
+    ${DIB_BLOCK_DEVICE} init
 
-    # values to dib-block-device: using the YAML config and
-    dib-block-device create
+    # values to ${DIB_BLOCK_DEVICE}: using the YAML config and
+    ${DIB_BLOCK_DEVICE} create
 
     # This is the device (/dev/loopX).  It's where to install the
     # bootloader.
-    IMAGE_BLOCK_DEVICE=$(dib-block-device getval image-block-device)
+    IMAGE_BLOCK_DEVICE=$(${DIB_BLOCK_DEVICE} getval image-block-device)
     export IMAGE_BLOCK_DEVICE
 
     # Similar to above, but all mounted devices.  This is handy for
     # some bootloaders that have multi-partition layouts and want to
     # copy things to different places other than just
     # IMAGE_BLOCK_DEVICE.  "eval" this into an array as needed
-    IMAGE_BLOCK_DEVICES=$(dib-block-device getval image-block-devices)
+    IMAGE_BLOCK_DEVICES=$(${DIB_BLOCK_DEVICE} getval image-block-devices)
     export IMAGE_BLOCK_DEVICES
 
     # Write the fstab
-    dib-block-device writefstab
+    ${DIB_BLOCK_DEVICE} writefstab
 fi
 
 # XXX: needed?
 LOOPDEV=${IMAGE_BLOCK_DEVICE}
 
-# At this point, dib-block-device has created the raw image file
+# At this point, ${DIB_BLOCK_DEVICE} has created the raw image file
 # (IMAGE_BLOCK_DEVICE) and mounted all the partitions under
 # $TMP_BUILD_DIR/mnt for us.  We can now copy into the final image.
 
@@ -582,12 +584,12 @@ done
 export EXTRA_UNMOUNT=""
 unmount_image
 
-TMP_IMAGE_PATH=$(dib-block-device getval image-path)
+TMP_IMAGE_PATH=$(${DIB_BLOCK_DEVICE} getval image-path)
 export TMP_IMAGE_PATH
 
 # remove all mounts
-dib-block-device umount
-dib-block-device cleanup
+${DIB_BLOCK_DEVICE} umount
+${DIB_BLOCK_DEVICE} cleanup
 
 cleanup_build_dir
 

diskimage_builder/lib/img-functions

@@ -40,7 +40,7 @@ function trap_cleanup() {
 
 function cleanup () {
     unmount_image
-    dib-block-device umount
+    ${DIB_PYTHON_EXEC} ${_LIB}/dib-block-device.py umount
     cleanup_build_dir
     cleanup_image_dir
 }

setup.cfg

@@ -32,7 +32,6 @@ data_files =
 
 [entry_points]
 console_scripts =
-    dib-block-device = diskimage_builder.block_device.cmd:main
     disk-image-create = diskimage_builder.disk_image_create:main
     ramdisk-image-create = diskimage_builder.disk_image_create:main