hack/build-image: add rebuild command

Add a --rebuild command to force building of images that already exist
in local storage.

Signed-off-by: John Mulligan <[email protected]>

Author: phlogistonjohn

hack/build-image

@@ -677,6 +677,10 @@ def build(cli, target, rebuild=False):
         fh.write(f"{cid} {target.image_name()}\n")
 
 
+def rebuild(cli, target):
+    return build(cli, target, rebuild=True)
+
+
 class QMatcher:
     """Push only tags that meet the specified criteria:
     all - all tags;
@@ -994,6 +998,13 @@ def main():
             " for a given FQIN. Requires FQIN to already exist locally."
         ),
     )
+    behaviors.add_argument(
+        "--rebuild",
+        action="store_const",
+        dest="main_action",
+        const=rebuild,
+        help="Always rebuild images even if matching images exist locally.",
+    )
     behaviors.add_argument(
         "--archive",
         metavar="LOCATION",