fix: README -> README.md

ta6ob/nanopass/.travis/install_scheme

@@ -0,0 +1,135 @@
+#!/bin/bash -e
+
+OS=$(uname)
+ARCH=$(uname -m)
+
+function retrieve_file {
+  URL=$1
+  FN=$2
+  GET=`which wget`
+  if test $? -eq 0 ; then
+    echo wget -O $FN $URL
+    wget -O $FN $URL
+  else
+    GET=`which curl`
+    if test $? -eq 0 ; then
+      echo curl -o $FN $URL
+      curl -o $FN $URL
+      echo "install requires curl or wget to pull tools"
+    fi
+  fi
+}
+
+function install_vicare {
+  VICARE_BASE="https://bitbucket.org/marcomaggi/vicare-scheme/downloads"
+  VICARE_VERSION="0.4.1-devel.3"
+  VICARE_FILE="vicare-scheme-${VICARE_VERSION}.tar.xz"
+  VICARE_URL="${VICARE_BASE}/${VICARE_FILE}"
+
+  case $OS in
+    Linux) ;;
+    *) echo "unexpected operating system $OS" ; exit 1 ;;
+  esac 
+
+  retrieve_file ${VICARE_URL} ${VICARE_FILE}
+
+  xzcat ${VICARE_FILE} | tar xf -
+
+  pushd "vicare-scheme-${VICARE_VERSION}"
+
+  ./configure --enable-posix --with-libffi
+  make
+  sudo make install
+  popd  # vicare-scheme-${VICARE_VERSION}
+}
+
+function install_ikarus {
+  case $ARCH in
+    i386|i686) BITS=32 ;;
+    x86_64|amd64) BITS=64 ;;
+    *) echo "unexpected architecture $ARCH" ; exit 1 ;;
+  esac
+
+  case $OS in
+    Linux) PREFIX="/usr" ;;
+    Darwin) PREFIX="/usr/local" ;;
+    *) echo "unexpected operating system $OS" ; exit 1 ;;
+  esac
+
+  bzr branch lp:ikarus
+  pushd ikarus
+  ./configure --prefix=$PREFIX \
+    CFLAGS="-m${BITS} `pkg-config --cflags libffi` -I/usr/local/opt/gmp/include" \
+    LDFLAGS="-m${BITS} `pkg-config --libs libffi` -L/usr/local/opt/gmp/lib"
+  make
+  sudo make install
+  popd # ikarus
+}
+
+function install_chez {
+  BASE_URL="https://github.com/cisco/ChezScheme/releases"
+  CHEZ_VERSION="9.5.2"
+  CHEZ_TGZ="csv${CHEZ_VERSION}.tar.gz"
+  CHEZ_EXE="ChezScheme${CHEZ_VERSION}.exe"
+
+  case $ARCH in
+    i386|i686) ARCH_MT="i3" ;;
+    x86_64|amd64) ARCH_MT="a6" ;;
+    *) echo "unexpected architecture $ARCH" ; exit 1 ;;
+  esac
+
+  case $OS in
+    Linux) OS_MT="le" ;;
+    Darwin) OS_MT="osx" ;;
+    Windows*|MSYS_NT*) OS_MT="nt" ;;
+    *) echo "unexpected operating system $OS" ; exit 1 ;;
+  esac
+
+  MT="${ARCH_MT}${OS_MT}"
+
+  case $OS_MT in
+    le|osx)
+      retrieve_file "${BASE_URL}/download/v${CHEZ_VERSION}/${CHEZ_TGZ}" ${CHEZ_TGZ}
+      tar zxf $CHEZ_TGZ
+      pushd "csv${CHEZ_VERSION}"
+      ./configure -m="${ARCH_MT}${OS_MT}"
+      make
+      sudo make install
+      popd  # "csv${CHEZ_VERSION}"
+      ;;
+    nt)
+      retrieve_file "${BASE_URL}/download/v${CHEZ_VERSION}/${CHEZ_EXE}" ${CHEZ_EXE}
+      ./${CHEZ_EXE} /install /quiet
+      export PATH=/c/Program\ Files/Chez\ Scheme\ ${CHEZ_VERSION}/bin/${MT}:$PATH
+      echo "(scheme-version)" | scheme -q
+      ;;
+    *) echo "unrecognized OS_MT: ${OS_MT}" ; exit 1 ;;
+  esac
+}
+
+function install_ironscheme {
+  DOTNET_FILE="dotnet-install.sh"
+  DOTNET_URL="https://dot.net/v1/$DOTNET_FILE"
+  retrieve_file $DOTNET_URL $DOTNET_FILE
+  chmod +x $DOTNET_FILE
+  # install .NET
+  "./$DOTNET_FILE" --channel Current --runtime dotnet
+  export -p PATH="$HOME/.dotnet:$PATH"
+
+  BASE_URL="https://github.com/IronScheme/IronScheme/releases/download"
+  IRONSCHEME_VERSION=1.0.239
+  IRONSCHEME_GIT_VERSION=671ea21
+  IRONSCHEME_URL="${BASE_URL}/${IRONSCHEME_VERSION}/IronScheme-${IRONSCHEME_VERSION}-${IRONSCHEME_GIT_VERSION}.zip"
+  IRONSCHEME_FILE="IronScheme.zip"
+  retrieve_file $IRONSCHEME_URL $IRONSCHEME_FILE
+  unzip $IRONSCHEME_FILE
+  alias ironscheme="dotnet IronScheme.ConsoleCore.dll"
+}
+
+case $SCHEME in
+  vicare) install_vicare ;;
+  ikarus) install_ikarus ;;
+  chez) install_chez ;;
+  ironscheme) install_ironscheme ;;
+  *) echo "Please set the SCHEME environment variable to one of: vicare, ikarus, or chez before running" ; exit 1;;
+esac