Add Windows installer support and update release workflow

.github/workflows/release.yml

@@ -97,12 +97,29 @@ jobs:
             )
             Compress-Archive -Path $files -DestinationPath "$PWD/ssh-agent-echo-win-x64.zip" -Force
 
+      - name: Install NSIS
+        if: matrix.platform == 'windows'
+        run: |
+          iwr -useb get.scoop.sh -outfile 'install.ps1'
+          .\install.ps1 -RunAsAdmin
+          scoop update
+          scoop bucket add extras
+          scoop install nsis
+
+      - name: Generate Windows Installer
+        if: matrix.platform == 'windows'
+        shell: pwsh
+        run: |
+          & "$env:USERPROFILE\scoop\apps\nsis\current\makensis.exe" .\install.nsi
+
       - name: Upload artifact
         if: matrix.platform == 'windows'
         uses: actions/upload-artifact@v6
         with:
           name: ${{ matrix.platform }}-binaries
-          path: ${{ matrix.artifact }}
+          path: |
+            ${{ matrix.artifact }}
+            publish/SshAgentEcho-Installer.exe
 
       - name: Upload artifact
         if: matrix.platform == 'linux'
@@ -136,5 +153,6 @@ jobs:
             artifacts/windows-binaries/ssh-agent-echo-win-x64.zip
             artifacts/linux-binaries/publish/*.deb
             artifacts/linux-binaries/publish/*.rpm
+            artifacts/windows-binaries/SshAgentEcho-Installer.exe
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

install.nsi

@@ -0,0 +1,41 @@
+; Simple SSH Agent Echo Installer
+!include "MUI2.nsh"
+
+Name "SSH Agent Echo"
+OutFile "publish\SshAgentEcho-Installer.exe"
+InstallDir "$LOCALAPPDATA\SshAgentEcho"
+Icon "Assets\icon.ico"
+UninstallIcon "Assets\icon.ico"
+
+!define MUI_FINISHPAGE_RUN "$INSTDIR\ssh-agent-echo-gui.exe"
+!define MUI_FINISHPAGE_RUN_CHECKED
+
+!insertmacro MUI_PAGE_INSTFILES
+!insertmacro MUI_PAGE_FINISH
+!insertmacro MUI_LANGUAGE "English"
+
+Section "Install"
+  SetOutPath "$INSTDIR"
+  File "publish\ssh-agent-echo.exe"
+  File "publish\ssh-agent-echo-gui.exe"
+
+  WriteUninstaller "$INSTDIR\uninstall.exe"
+
+  CreateDirectory "$SMPROGRAMS\SSH Agent Echo"
+  CreateShortCut "$SMPROGRAMS\SSH Agent Echo\SSH Agent Echo.lnk" "$INSTDIR\ssh-agent-echo-gui.exe"
+  CreateShortCut "$SMPROGRAMS\SSH Agent Echo\Uninstall.lnk" "$INSTDIR\uninstall.exe"
+
+  ReadRegStr $0 HKCU "Environment" "Path"
+  StrCpy $1 "$0;$INSTDIR"
+  WriteRegStr HKCU "Environment" "Path" "$1"
+  SendMessage 0xffff 0x001A 0 "STR:Environment" /TIMEOUT=5000
+SectionEnd
+
+Section "Uninstall"
+  RMDir /r "$INSTDIR"
+  RMDir /r "$SMPROGRAMS\SSH Agent Echo"
+
+  ReadRegStr $0 HKCU "Environment" "Path"
+  WriteRegStr HKCU "Environment" "Path" "$0"
+  SendMessage 0xffff 0x001A 0 "STR:Environment" /TIMEOUT=5000
+SectionEnd