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-rw-r--r--Modules/Internal/CPack/NSIS.template.in19
1 files changed, 14 insertions, 5 deletions
diff --git a/Modules/Internal/CPack/NSIS.template.in b/Modules/Internal/CPack/NSIS.template.in
index 42a44d9..21753af 100644
--- a/Modules/Internal/CPack/NSIS.template.in
+++ b/Modules/Internal/CPack/NSIS.template.in
@@ -931,11 +931,20 @@ Function .onInit
;Run the uninstaller
uninst:
ClearErrors
- StrCpy $2 $0 1
- StrCmp '"' $2 0 +3 ; checks if string is quoted (CPack before v3.20.6 did not quote it)
- ExecWait '$0 /S'
- Goto +2
- ExecWait '"$0" /S'
+ # $0 should _always_ be quoted, however older versions of CMake did not
+ # do this. We'll conditionally remove the begin/end quotes.
+ # Remove first char if quote
+ StrCpy $2 $0 1 0 # copy first char
+ StrCmp $2 "$\"" 0 +2 # if char is quote
+ StrCpy $0 $0 "" 1 # remove first char
+ # Remove last char if quote
+ StrCpy $2 $0 1 -1 # copy last char
+ StrCmp $2 "$\"" 0 +2 # if char is quote
+ StrCpy $0 $0 -1 # remove last char
+
+ StrLen $2 "\@CPACK_NSIS_UNINSTALL_NAME@.exe"
+ StrCpy $3 $0 -$2 # remove "\@CPACK_NSIS_UNINSTALL_NAME@.exe" from UninstallString to get path
+ ExecWait '"$0" /S _?=$3' ;Do not copy the uninstaller to a temp file
IfErrors uninst_failed inst
uninst_failed: