Change Win installer to avoid VC++ Redistributable installation by bundling the required DLLs automatically (local deployment). Fix #189

packager.py

@@ -7,6 +7,7 @@ import click
 import shutil
 import toml
 import hashlib
+import glob
 import urllib.request
 from dataclasses import dataclass
 
@@ -79,9 +80,23 @@ def build_windows(package_info):
     TARGET_DIR = os.path.join(PACKAGER_TARGET_DIR, "win")
     os.makedirs(TARGET_DIR, exist_ok=True)
 
-    print("Downloading Visual C++ redistributable")
+    print("Gathering CRT DLLs...")
-    vc_redist_file = os.path.join(TARGET_DIR, "vc_redist.x64.exe")
+    msvc_dirs = glob.glob("C:\\Program Files (x86)\\Microsoft Visual Studio\\2019\\*\\VC\\Redist\\MSVC\\*")
-    urllib.request.urlretrieve("https://aka.ms/vs/16/release/vc_redist.x64.exe", vc_redist_file)
+    print("Found Redists: ", msvc_dirs)
+
+    msvc_dir = msvc_dirs[0]
+    print("Using: ",msvc_dir)
+    if len(msvc_dir) == 0:
+        raise Exception("Cannot find redistributable dlls")
+    dll_files = glob.glob(msvc_dir + "\\x64\\*CRT\\*.dll")
+
+    print("Found DLLs:")
+    dll_include_list = []
+    for dll in dll_files:
+        print("Including: "+dll)
+        dll_include_list.append("Source: \""+dll+"\"; DestDir: \"{app}\"; Flags: ignoreversion")
+
+    dll_include = "\r\n".join(dll_include_list)
 
     INSTALLER_NAME = f"espanso-win-installer"
 
@@ -102,6 +117,7 @@ def build_windows(package_info):
         content = content.replace("{{{executable_path}}}",  os.path.abspath("target/release/espanso.exe"))
         content = content.replace("{{{output_dir}}}",  os.path.abspath(TARGET_DIR))
         content = content.replace("{{{output_name}}}",  INSTALLER_NAME)
+        content = content.replace("{{{dll_include}}}",  dll_include)
 
         with open(os.path.join(TARGET_DIR, "setupscript.iss"), "w") as output_script:
             output_script.write(content)

packager/win/setupscript.iss

@@ -30,7 +30,6 @@ Compression=lzma
 SolidCompression=yes
 WizardStyle=modern
 ChangesEnvironment=yes
-AlwaysRestart = yes
 
 [Languages]
 Name: "english"; MessagesFile: "compiler:Default.isl"
@@ -38,7 +37,7 @@ Name: "english"; MessagesFile: "compiler:Default.isl"
 [Files]
 Source: "{{{executable_path}}}"; DestDir: "{app}"; Flags: ignoreversion
 Source: "{{{app_icon}}}"; DestDir: "{app}"; Flags: ignoreversion
-Source: "vc_redist.x64.exe"; DestDir: "{tmp}"; Flags: deleteafterinstall
+{{{dll_include}}}
 ; NOTE: Don't use "Flags: ignoreversion" on any shared system files
 
 [Icons]
@@ -53,18 +52,13 @@ Name: "StartMenuEntry" ; Description: "Start espanso at Windows startup" ;
 const
     ModPathName = 'modifypath';
     ModPathType = 'user';
-
 function ModPathDir(): TArrayOfString;
 begin
     setArrayLength(Result, 1)
     Result[0] := ExpandConstant('{app}');
 end;
 #include "modpath.iss"
-
 [Run]
-Filename: {tmp}\vc_redist.x64.exe; \
-    Parameters: "/install /quiet /norestart"; \
-    StatusMsg: "Installing Visual C++ 2019 Redistributable";
 Filename: "{app}\{#MyAppExeName}"; Parameters: "start"; Description: "{cm:LaunchProgram,{#StringChange(MyAppName, '&', '&&')}}"; Flags: nowait postinstall skipifsilent
 
 [UninstallRun]