add curl.cmd

curl.cmd

@@ -0,0 +1,12 @@
+@rem Do not use "echo off" to not affect any child calls.
+@setlocal
+
+@rem Get the abolute path to the parent directory, which is assumed to be the
+@rem Git installation root.
+@for /F "delims=" %%I in ("%~dp0..") do @set git_install_root=%%~fI
+@set PATH=%git_install_root%\bin;%git_install_root%\mingw\bin;%PATH%
+
+@if not exist "%HOME%" @set HOME=%HOMEDRIVE%%HOMEPATH%
+@if not exist "%HOME%" @set HOME=%USERPROFILE%
+
+@curl.exe %*