diff options
Diffstat (limited to 'windows/modpath.iss')
| -rw-r--r-- | windows/modpath.iss | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/windows/modpath.iss b/windows/modpath.iss new file mode 100644 index 000000000..ea3cef8e8 --- /dev/null +++ b/windows/modpath.iss @@ -0,0 +1,157 @@ +// ----------------------------------------------------------------------------
+//
+// Inno Setup Ver: 5.2.1
+// Script Version: 1.3.1
+// Author: Jared Breland <jbreland@legroom.net>
+// Homepage: http://www.legroom.net/software
+//
+// Script Function:
+// Enable modification of system path directly from Inno Setup installers
+//
+// Instructions:
+// Copy modpath.iss to the same directory as your setup script
+//
+// Add this statement to your [Setup] section
+// ChangesEnvironment=yes
+//
+// Add this statement to your [Tasks] section
+// You can change the Description or Flags, but the Name must be modifypath
+// Name: modifypath; Description: &Add application directory to your system path; Flags: unchecked
+//
+// Add the following to the end of your [Code] section
+// setArrayLength must specify the total number of dirs to be added
+// Dir[0] contains first directory, Dir[1] contains second, etc.
+// function ModPathDir(): TArrayOfString;
+// var
+// Dir: TArrayOfString;
+// begin
+// setArrayLength(Dir, 1)
+// Dir[0] := ExpandConstant('{app}');
+// Result := Dir;
+// end;
+// #include "modpath.iss"
+// ----------------------------------------------------------------------------
+
+procedure ModPath();
+var
+ oldpath: String;
+ newpath: String;
+ pathArr: TArrayOfString;
+ aExecFile: String;
+ aExecArr: TArrayOfString;
+ i, d: Integer;
+ pathdir: TArrayOfString;
+begin
+
+ // Get array of new directories and act on each individually
+ pathdir := ModPathDir();
+ for d := 0 to GetArrayLength(pathdir)-1 do begin
+
+ // Modify WinNT path
+ if UsingWinNT() = true then begin
+
+ // Get current path, split into an array
+ RegQueryStringValue(HKEY_LOCAL_MACHINE, 'SYSTEM\CurrentControlSet\Control\Session Manager\Environment', 'Path', oldpath);
+ oldpath := oldpath + ';';
+ i := 0;
+ while (Pos(';', oldpath) > 0) do begin
+ SetArrayLength(pathArr, i+1);
+ pathArr[i] := Copy(oldpath, 0, Pos(';', oldpath)-1);
+ oldpath := Copy(oldpath, Pos(';', oldpath)+1, Length(oldpath));
+ i := i + 1;
+
+ // Check if current directory matches app dir
+ if pathdir[d] = pathArr[i-1] then begin
+ // if uninstalling, remove dir from path
+ if IsUninstaller() = true then begin
+ continue;
+ // if installing, abort because dir was already in path
+ end else begin
+ abort;
+ end;
+ end;
+
+ // Add current directory to new path
+ if i = 1 then begin
+ newpath := pathArr[i-1];
+ end else begin
+ newpath := newpath + ';' + pathArr[i-1];
+ end;
+ end;
+
+ // Append app dir to path if not already included
+ if IsUninstaller() = false then
+ newpath := newpath + ';' + pathdir[d];
+
+ // Write new path
+ RegWriteStringValue(HKEY_LOCAL_MACHINE, 'SYSTEM\CurrentControlSet\Control\Session Manager\Environment', 'Path', newpath);
+
+ // Modify Win9x path
+ end else begin
+
+ // Convert to shortened dirname
+ pathdir[d] := GetShortName(pathdir[d]);
+
+ // If autoexec.bat exists, check if app dir already exists in path
+ aExecFile := 'C:\AUTOEXEC.BAT';
+ if FileExists(aExecFile) then begin
+ LoadStringsFromFile(aExecFile, aExecArr);
+ for i := 0 to GetArrayLength(aExecArr)-1 do begin
+ if IsUninstaller() = false then begin
+ // If app dir already exists while installing, abort add
+ if (Pos(pathdir[d], aExecArr[i]) > 0) then
+ abort;
+ end else begin
+ // If app dir exists and = what we originally set, then delete at uninstall
+ if aExecArr[i] = 'SET PATH=%PATH%;' + pathdir[d] then
+ aExecArr[i] := '';
+ end;
+ end;
+ end;
+
+ // If app dir not found, or autoexec.bat didn't exist, then (create and) append to current path
+ if IsUninstaller() = false then begin
+ SaveStringToFile(aExecFile, #13#10 + 'SET PATH=%PATH%;' + pathdir[d], True);
+
+ // If uninstalling, write the full autoexec out
+ end else begin
+ SaveStringsToFile(aExecFile, aExecArr, False);
+ end;
+ end;
+
+ // Write file to flag modifypath was selected
+ // Workaround since IsTaskSelected() cannot be called at uninstall and AppName and AppId cannot be "read" in Code section
+ if IsUninstaller() = false then
+ SaveStringToFile(ExpandConstant('{app}') + '\uninsTasks.txt', WizardSelectedTasks(False), False);
+ end;
+end;
+
+procedure CurStepChanged(CurStep: TSetupStep);
+begin
+ if CurStep = ssPostInstall then
+ if IsTaskSelected('modifypath') then
+ ModPath();
+end;
+
+procedure CurUninstallStepChanged(CurUninstallStep: TUninstallStep);
+var
+ appdir: String;
+ selectedTasks: String;
+begin
+ appdir := ExpandConstant('{app}')
+ if CurUninstallStep = usUninstall then begin
+ if LoadStringFromFile(appdir + '\uninsTasks.txt', selectedTasks) then
+ if Pos('modifypath', selectedTasks) > 0 then
+ ModPath();
+ DeleteFile(appdir + '\uninsTasks.txt')
+ end;
+end;
+
+function NeedRestart(): Boolean;
+begin
+ if IsTaskSelected('modifypath') and not UsingWinNT() then begin
+ Result := True;
+ end else begin
+ Result := False;
+ end;
+end;
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