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Diffstat (limited to '')
| -rwxr-xr-x | win/setpath.nsi | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/win/setpath.nsi b/win/setpath.nsi new file mode 100755 index 0000000..a9626c3 --- /dev/null +++ b/win/setpath.nsi @@ -0,0 +1,231 @@ +; Modify the user's PATH variable. +; +; Modified by JY to have both a RemoveFromPath +; and an un.RemoveFromPath which are basically +; copies of each other. Why does NSIS demand +; this nonsense? +; +; Modified Feb 14, 2005 by Mathias Sundman: +; Added code to remove the semicolon at the end of the path +; when uninstalling. +; +; Added code to make sure we don't insert an extra semicolon +; before our path if there already exist one at the end of +; the original path. +; +; Removed duplicated "un. and install" functions and made +; macros to duplicate the code instead. + +; example usage +; +;Section "Add to path" +; Push $INSTDIR +; Call AddToPath +;SectionEnd +; +;# ... +; +;Section "uninstall" +; # ... +; Push $INSTDIR +; Call un.RemoveFromPath +; # ... +;SectionEnd + +!verbose 3 +!include "WinMessages.NSH" +!verbose 4 + +;==================================================== +; AddToPath - Adds the given dir to the search path. +; Input - head of the stack +; Note - Win9x systems requires reboot +;==================================================== +Function AddToPath + Exch $0 + Push $1 + Push $2 + + Call IsNT + Pop $1 + StrCmp $1 1 AddToPath_NT + ; Not on NT + StrCpy $1 $WINDIR 2 + FileOpen $1 "$1\autoexec.bat" a + FileSeek $1 0 END + GetFullPathName /SHORT $0 $0 + FileWrite $1 "$\r$\nSET PATH=%PATH%;$0$\r$\n" + FileClose $1 + Goto AddToPath_done + + AddToPath_NT: + ReadRegStr $1 HKCU "Environment" "PATH" + StrCpy $2 $1 1 -1 # copy last char + StrCmp $2 ";" 0 +2 # if last char == ; + StrCpy $1 $1 -1 # remove last char + + StrCmp $1 "" AddToPath_NTdoIt + StrCpy $0 "$1;$0" + Goto AddToPath_NTdoIt + AddToPath_NTdoIt: + WriteRegExpandStr HKCU "Environment" "PATH" $0 + SendMessage ${HWND_BROADCAST} ${WM_WININICHANGE} 0 "STR:Environment" /TIMEOUT=5000 + + AddToPath_done: + Pop $2 + Pop $1 + Pop $0 +FunctionEnd + +;==================================================== +; RemoveFromPath - Remove a given dir from the path +; Input: head of the stack +;==================================================== +!macro RemoveFromPath un +Function ${un}RemoveFromPath + Exch $0 + Push $1 + Push $2 + Push $3 + Push $4 + Push $5 + + Call ${un}IsNT + Pop $1 + StrCmp $1 1 RemoveFromPath_NT + ; Not on NT + StrCpy $1 $WINDIR 2 + FileOpen $1 "$1\autoexec.bat" r + GetTempFileName $4 + FileOpen $2 $4 w + GetFullPathName /SHORT $0 $0 + StrCpy $0 "SET PATH=%PATH%;$0" + SetRebootFlag true + Goto RemoveFromPath_dosLoop + + RemoveFromPath_dosLoop: + FileRead $1 $3 + StrCmp $3 "$0$\r$\n" RemoveFromPath_dosLoop + StrCmp $3 "$0$\n" RemoveFromPath_dosLoop + StrCmp $3 "$0" RemoveFromPath_dosLoop + StrCmp $3 "" RemoveFromPath_dosLoopEnd + FileWrite $2 $3 + Goto RemoveFromPath_dosLoop + + RemoveFromPath_dosLoopEnd: + FileClose $2 + FileClose $1 + StrCpy $1 $WINDIR 2 + Delete "$1\autoexec.bat" + CopyFiles /SILENT $4 "$1\autoexec.bat" + Delete $4 + Goto RemoveFromPath_done + + RemoveFromPath_NT: + StrLen $2 $0 + ReadRegStr $1 HKCU "Environment" "PATH" + Push $1 + Push $0 + Call ${un}StrStr ; Find $0 in $1 + Pop $0 ; pos of our dir + IntCmp $0 -1 RemoveFromPath_done + ; else, it is in path + StrCpy $3 $1 $0 ; $3 now has the part of the path before our dir + IntOp $2 $2 + $0 ; $2 now contains the pos after our dir in the path (';') + IntOp $2 $2 + 1 ; $2 now containts the pos after our dir and the semicolon. + StrLen $0 $1 + StrCpy $1 $1 $0 $2 + StrCpy $3 "$3$1" + + StrCpy $5 $3 1 -1 # copy last char + StrCmp $5 ";" 0 +2 # if last char == ; + StrCpy $3 $3 -1 # remove last char + + WriteRegExpandStr HKCU "Environment" "PATH" $3 + SendMessage ${HWND_BROADCAST} ${WM_WININICHANGE} 0 "STR:Environment" /TIMEOUT=5000 + + RemoveFromPath_done: + Pop $5 + Pop $4 + Pop $3 + Pop $2 + Pop $1 + Pop $0 +FunctionEnd +!macroend +!insertmacro RemoveFromPath "" +!insertmacro RemoveFromPath "un." + + +;==================================================== +; StrStr - Finds a given string in another given string. +; Returns -1 if not found and the pos if found. +; Input: head of the stack - string to find +; second in the stack - string to find in +; Output: head of the stack +;==================================================== +!macro StrStr un +Function ${un}StrStr + Push $0 + Exch + Pop $0 ; $0 now have the string to find + Push $1 + Exch 2 + Pop $1 ; $1 now have the string to find in + Exch + Push $2 + Push $3 + Push $4 + Push $5 + + StrCpy $2 -1 + StrLen $3 $0 + StrLen $4 $1 + IntOp $4 $4 - $3 + + StrStr_loop: + IntOp $2 $2 + 1 + IntCmp $2 $4 0 0 StrStrReturn_notFound + StrCpy $5 $1 $3 $2 + StrCmp $5 $0 StrStr_done StrStr_loop + + StrStrReturn_notFound: + StrCpy $2 -1 + + StrStr_done: + Pop $5 + Pop $4 + Pop $3 + Exch $2 + Exch 2 + Pop $0 + Pop $1 +FunctionEnd +!macroend +!insertmacro StrStr "" +!insertmacro StrStr "un." + +;==================================================== +; IsNT - Returns 1 if the current system is NT, 0 +; otherwise. +; Output: head of the stack +;==================================================== +!macro IsNT un +Function ${un}IsNT + Push $0 + ReadRegStr $0 HKLM "SOFTWARE\Microsoft\Windows NT\CurrentVersion" CurrentVersion + StrCmp $0 "" 0 IsNT_yes + ; we are not NT. + Pop $0 + Push 0 + Return + + IsNT_yes: + ; NT!!! + Pop $0 + Push 1 +FunctionEnd +!macroend +!insertmacro IsNT "" +!insertmacro IsNT "un." + |