Index: client/1.0/neutral/pkgd.eagle
==================================================================
--- client/1.0/neutral/pkgd.eagle
+++ client/1.0/neutral/pkgd.eagle
@@ -1658,10 +1658,13 @@
     }
 
     set persistent [string is true -strict \
         [getDictionaryValue $options -persistent]]
 
+    set overwrite [string is true -strict \
+        [getDictionaryValue $options -overwrite]]
+
     set usePgp [string is true -strict \
         [getDictionaryValue $options -usePgp]]
 
     set useAutoPath [string is true -strict \
         [getDictionaryValue $options -useAutoPath]]
@@ -1699,10 +1702,21 @@
       if {[file exists $downloadFileName]} then {
         error [appendArgs \
             "temporary file name \"" $downloadFileName \
             "\" already exists"]
       }
+
+      if {$persistent || $viaInstall} then {
+        if {!$overwrite} then {
+          set persistentFileName [file normalize [file join \
+              $directory(persistent) $fileNameOnly]]
+
+          if {[file exists $persistentFileName]} then {
+            continue
+          }
+        }
+      }
 
       file mkdir [file dirname $downloadFileName]
 
       downloadOneFile $language $version $platform \
           $fileName $downloadFileName $usePgp

Index: client/1.0/neutral/pkgd.eagle.asc
==================================================================
--- client/1.0/neutral/pkgd.eagle.asc
+++ client/1.0/neutral/pkgd.eagle.asc
@@ -1,18 +1,18 @@
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 Version: GnuPG v2
 Comment: Eagle Package Repository
 
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+=8CDM
 -----END PGP SIGNATURE-----

Index: client/1.0/neutral/pkgd.eagle.harpy
==================================================================
--- client/1.0/neutral/pkgd.eagle.harpy
+++ client/1.0/neutral/pkgd.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>cec3eb94-62c5-48b8-8f98-201ddaf283b5</Id>
+  <Id>8bb77f4c-168a-4a92-9218-a359717f4b37</Id>
   <HashAlgorithm>SHA512</HashAlgorithm>
   <EntityType>Script</EntityType>
-  <TimeStamp>2017-07-21T22:00:39.7880859Z</TimeStamp>
+  <TimeStamp>2017-08-15T15:45:34.6795855Z</TimeStamp>
   <Duration>-1.00:00:00</Duration>
   <Key>0x9559f6017247e3e2</Key>
   <Signature>
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 </Certificate>

Index: client/1.0/neutral/pkgd.eagle.harpy.asc
==================================================================
--- client/1.0/neutral/pkgd.eagle.harpy.asc
+++ client/1.0/neutral/pkgd.eagle.harpy.asc
@@ -1,18 +1,18 @@
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