Index: externals/Harpy/Tools/sign.eagle
==================================================================
--- externals/Harpy/Tools/sign.eagle
+++ externals/Harpy/Tools/sign.eagle
@@ -422,15 +422,24 @@
   if {$shouldEmbed && \
       ![info exists no(removeEmbeddedCertificate)]} then {
     removeEmbeddedCertificate $fileName
   }
 
+  #
+  # NOTE: By default, when a ".harpy" file itself is passed to this
+  #       signing tool, treat it specially, i.e. simply update its
+  #       timestamp and (re-)sign it.
+  #
+  if {![info exists harpyIsSpecial]} then {
+    set harpyIsSpecial true
+  }
+
   #
   # NOTE: If the file is an XML file, assume it is a license
   #       certificate that we need to manually re-sign.
   #
-  if {[file extension $fileName] eq ".harpy"} then {
+  if {$harpyIsSpecial && [file extension $fileName] eq ".harpy"} then {
     #
     # NOTE: Set the file type for error messages.
     #
     set fileType "certificate file"
 

Index: externals/Harpy/Tools/sign.eagle.asc
==================================================================
--- externals/Harpy/Tools/sign.eagle.asc
+++ externals/Harpy/Tools/sign.eagle.asc
@@ -1,18 +1,18 @@
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 Version: GnuPG v2
 Comment: Eagle Package Repository
 
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Index: externals/Harpy/Tools/sign.eagle.harpy
==================================================================
--- externals/Harpy/Tools/sign.eagle.harpy
+++ externals/Harpy/Tools/sign.eagle.harpy
@@ -19,50 +19,50 @@
 <Certificate xmlns="https://eagle.to/2011/harpy"
              xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
              xmlns:xsd="http://www.w3.org/2001/XMLSchema">
   <Protocol>None</Protocol>
   <Vendor>Mistachkin Systems</Vendor>
-  <Id>2c6f7563-50d1-4271-8e3b-e5aa022a0bfa</Id>
+  <Id>c388ceab-e3d3-45f1-bc0a-951ba190a4d6</Id>
   <HashAlgorithm>SHA512</HashAlgorithm>
   <EntityType>Script</EntityType>
-  <TimeStamp>2024-07-11T15:33:13.2894508Z</TimeStamp>
+  <TimeStamp>2024-12-28T22:15:58.9542356Z</TimeStamp>
   <Duration>-1.00:00:00</Duration>
   <Key>0x9559f6017247e3e2</Key>
   <Signature>
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 </Certificate>

Index: externals/Harpy/Tools/sign.eagle.harpy.asc
==================================================================
--- externals/Harpy/Tools/sign.eagle.harpy.asc
+++ externals/Harpy/Tools/sign.eagle.harpy.asc
@@ -1,18 +1,18 @@
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