VPatch 3.0

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@4271 212acab6-be3b-0410-9dea-997c60f758d6

Contrib/VPatch/VPatchLib.nsh

@@ -0,0 +1,22 @@
+; PatchLib v3.0
+; =============
+;
+; Library with macro for use with VPatch (DLL version) in NSIS 2.0.5+
+; Created by Koen van de Sande
+
+!macro VPatchFile PATCHDATA SOURCEFILE TEMPFILE
+  InitPluginsDir
+  File /oname=$PLUGINSDIR\${PATCHDATA} ${PATCHDATA}
+  vpatch::vpatchfile "$PLUGINSDIR\${PATCHDATA}" "${SOURCEFILE}" "${TEMPFILE}"
+  Pop $1
+  DetailPrint $1
+  StrCpy $1 $1 2
+  StrCmp $1 "OK" ok_${SOURCEFILE}
+  SetErrors
+ok_${SOURCEFILE}:
+  IfFileExists "${TEMPFILE}" +1 end_${SOURCEFILE}
+  Delete "${SOURCEFILE}"
+  Rename /REBOOTOK "${TEMPFILE}" "${SOURCEFILE}"
+end_${SOURCEFILE}:
+  Delete "$PLUGINSDIR\${PATCHDATA}"
+!macroend