The problem is that msysgit is not a complete installation of MSYS. It contains only what is needed for git to work. You have several options: (1) Install a complete, real MSYS / MINGW32 environment (it is not recommended why two copies are installed) or (2) install the missing pieces.
Depending on which version of msysgit you installed, the missing parts seem different, but at least you need to download a copy mktemp.exe. Some users also reported thatfmt.exe
"MSYSTEM" "MINGW32" ( virtualenvwrapper , unix - : Scripts bin ). "MSYS_HOME" , msysgit (, export MSYS_HOME = /c/Program\ Files\ \(x86\)/Git .bashrc). , msysgit ( ).