git-extra: include msysGit's create-shortcut.exe helper

This version was taken straight from msysGit's

	https://github.com/msysgit/msysgit/baef0eff

Signed-off-by: Johannes Schindelin <[email protected]>

Author: dscho

.gitignore

@@ -1,2 +1,3 @@
 *.swp
 /git-extra/pkg/
+/git-extra/src/

git-extra/PKGBUILD

@@ -36,13 +36,26 @@ SigLevel = Optional\n\
     "post_upgrade () {" \
     "    post_install" \
     "}" > $startdir/$pkgname.install
+
+    gcc -o create-shortcut.exe $startdir/create-shortcut.c -luuid -lole32
 }
 
 package() {
+  case "$CARCH" in
+    i686)
+      mingwdir="mingw32"
+    ;;
+    x86_64)
+      mingwdir="mingw64"
+    ;;
+  esac
+
   install -d -m755 $pkgdir/etc/profile.d
   install -d -m755 $pkgdir/usr/bin
+  install -d -m755 $pkgdir/$mingwdir/bin
   install -m755 $startdir/vimrc $pkgdir/etc
   install -m755 $startdir/vi $pkgdir/usr/bin
+  install -m755 create-shortcut.exe $pkgdir/$mingwdir/bin
   install -m755 $startdir/git-prompt.sh $pkgdir/etc/profile.d
   install -m755 $startdir/aliases.sh $pkgdir/etc/profile.d
 }

git-extra/create-shortcut.c

@@ -0,0 +1,105 @@
+#include <stdio.h>
+#include <shlobj.h>
+
+void die(const char *message)
+{
+	CoUninitialize();
+	fprintf(stderr, "%s\n", message);
+	fprintf(stderr, "last error: %d\n", GetLastError());
+	exit(1);
+}
+
+int main(int argc, char **argv)
+{
+	const char *progname = argv[0];
+	const char *work_dir = NULL, *arguments = NULL, *icon_file = NULL;
+	const char *description = NULL;
+	int show_cmd = 1;
+
+	static WCHAR wsz[1024];
+	HRESULT hres;
+	IShellLink* psl;
+	IPersistFile* ppf;
+
+
+	while (argc > 2) {
+		if (argv[1][0] != '-')
+			break;
+		if (!strcmp(argv[1], "--work-dir"))
+			work_dir = argv[2];
+		else if (!strcmp(argv[1], "--arguments"))
+			arguments = argv[2];
+		else if (!strcmp(argv[1], "--show-cmd"))
+			show_cmd = atoi(argv[2]);
+		else if (!strcmp(argv[1], "--icon-file"))
+			icon_file = argv[2];
+		else if (!strcmp(argv[1], "--description"))
+			description = argv[2];
+		else {
+			fprintf(stderr, "Unknown option: %s\n", argv[1]);
+			return 1;
+		}
+
+		argc -= 2;
+		argv += 2;
+	}
+
+	if (argc > 1 && !strcmp(argv[1], "--")) {
+		argc--;
+		argv++;
+	}
+
+	if (argc < 3) {
+		fprintf(stderr, "Usage: %s [options] <source> <destination>\n",
+			progname);
+		return 1;
+	}
+
+	hres = CoInitialize(NULL);
+	if (FAILED(hres))
+		die ("Could not initialize OLE");
+
+	hres = CoCreateInstance(&CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER,
+			&IID_IShellLink, (void **)&psl);
+
+	if (FAILED(hres))
+		die ("Could not get ShellLink interface");
+
+	hres = psl->lpVtbl->QueryInterface(psl, &IID_IPersistFile,
+			(void **) &ppf);
+
+	if (FAILED(hres))
+		die ("Could not get PersistFile interface");
+
+	hres = psl->lpVtbl->SetPath(psl, argv[1]);
+	if (FAILED(hres))
+		die ("Could not set path");
+
+	if (work_dir)
+		psl->lpVtbl->SetWorkingDirectory(psl, work_dir);
+
+	if (show_cmd)
+		psl->lpVtbl->SetShowCmd(psl, show_cmd);
+
+	if (icon_file)
+		psl->lpVtbl->SetIconLocation(psl, icon_file, 0);
+	if (arguments)
+		psl->lpVtbl->SetArguments(psl, arguments);
+	if (description)
+		psl->lpVtbl->SetDescription(psl, description);
+
+	wsz[0] = 0;
+	MultiByteToWideChar(CP_ACP,
+			0, argv[2], -1, wsz, 1024);
+	hres = ppf->lpVtbl->Save(ppf,
+			(const WCHAR*)wsz, TRUE);
+
+	ppf->lpVtbl->Release(ppf);
+	psl->lpVtbl->Release(psl);
+
+	if (FAILED(hres))
+		die ("Could not save link");
+
+	CoUninitialize();
+	return 0;
+}