install: make it cleaner; don't install nvm

install

@@ -5,12 +5,13 @@
 
 cd "$(dirname "${BASH_SOURCE[0]}")" || exit 1
 
+MISSING=0
 check_command() {
   CMD=$1
   FOUND=$(command -v $CMD)
   if [ "$FOUND" == "" ] ; then
     echo "You don't have $CMD."
-    exit 1
+    MISSING=1
   else
     echo "Found $FOUND."
   fi
@@ -19,27 +20,22 @@ COMMANDS="git realpath curl"
 for cmd in $COMMANDS ; do
   check_command $cmd
 done
-
-install_rust_app() {
-  REPO=$1
-  DIRNAME=$2
-  BINARY=$3
-
-  if [ ! -d "$DIRNAME" ] ; then
-    git clone "$REPO" "$DIRNAME"
-    pushd "$DIRNAME" 1>/dev/null
-  else
-    pushd "$DIRNAME" 1>/dev/null
-    git pull
-  fi
-  cargo build --release
-  cp -fv $PWD/target/release/$BINARY ~/bin/
-  cargo clean
-  popd 1>/dev/null
-}
+if [ $MISSING -ne 0 ] ; then
+  exit $MISSING
+fi
+unset COMMANDS MISSING
 
 BASE=$(pwd)
-EXA_VER=
+IS_MAC=0
+IS_LINUX=0
+if [ "$(uname -s)" == 'Darwin' ]; then
+  echo "Running on macOS"
+  IS_MAC=1
+fi
+if [ "$(uname -s)" == 'Linux' ]; then
+  echo "Running on Linux"
+  IS_LINUX=1
+fi
 
 # RC files
 
@@ -55,15 +51,6 @@ for rc in *rc *profile tmux.conf bashrc.d mutt ; do
   fi
 done
 
-if [ "$(which cargo)" == "" ] ; then
-  # Install Cargo, in order to install exa etc.
-  (curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh) || exit 1
-  source $HOME/.cargo/env
-else
-  # Assume that if we have Cargo we have rustup too.
-  rustup update
-fi
-
 mkdir -p ~/src/
 
 # git-prompt
@@ -81,7 +68,7 @@ for bin in $BASE/bin/*; do
   fi
 done
 
-if [ "$(uname -s)" == 'Darwin' ]; then
+if [ $IS_MAC ] ; then
   # Homebrew
   [ -z "$(which brew)" ] &&
     ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
@@ -97,15 +84,19 @@ git config --global push.default current
 if [ ! -d "$HOME/.rbenv" ] ; then
   git clone https://github.com/rbenv/rbenv.git "$HOME/.rbenv"
   git clone https://github.com/rbenv/ruby-build.git "$HOME/.rbenv/plugins/ruby-build"
+else
+  echo "Already have $HOME/.rbenv"
 fi
 
 if [ ! -d "$HOME/.asdf" ] ; then
   git clone https://github.com/asdf-vm/asdf.git "$HOME/.asdf"
+else
+  echo "Already have $HOME/.asdf"
 fi
 
 # Add and install these ones.
-ADD_AND_INSTALL="golang erlang elixir clojure ripgrep ag fd bat jq nodejs fzf"
-if [ "$(uname -s)" == 'Darwin' ]; then
+ADD_AND_INSTALL="golang ripgrep ag fd bat jq nodejs fzf github-cli"
+if [ $IS_MAC ] ; then
   echo "Detected macOS, installing extra packages via asdf."
   ADD_AND_INSTALL="$ADD_AND_INSTALL git tmux vim"
 fi
@@ -117,16 +108,20 @@ for plugin in $ADD_AND_INSTALL ; do
 done
 unset ADD_AND_INSTALL
 
+asdf reshim
+go install github.com/go-delve/delve/cmd/dlv@latest
+
 # Just add these, for now.
-ADD_ONLY="python tmux sbcl ocaml gohugo"
+ADD_ONLY="python tmux sbcl ocaml gohugo erlang elixir clojure"
 for plugin in $ADD_ONLY ; do 
   asdf plugin add $plugin
 done
 unset ADD_ONLY
 
-# if [ "$(uname -s)" == 'Darwin' ]; then
-#   CPATH=$(brew --prefix)/include:$CPATH LIBRARY_PATH=$(brew --prefix)/lib:$LIBRARY_PATH asdf install sbcl latest
-# fi
+if [ $IS_MAC ] ; then
+  echo 'To install SBCL:'
+  echo 'CPATH=$(brew --prefix)/include:$CPATH LIBRARY_PATH=$(brew --prefix)/lib:$LIBRARY_PATH asdf install sbcl latest'
+fi
 
 if [ ! -d ~/.tmux/plugins/tpm ] ; then
   git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm
@@ -134,20 +129,15 @@ if [ ! -d ~/.tmux/plugins/tpm ] ; then
     # If we're currently in tmux, source the new file.
     tmux source-file ~/.tmux.conf
   fi
+else
+  echo "Already have ~/.tmux/plugins/tpm"
 fi
 
-if [ ! -d "$HOME/.nvm" ] ; then
-  # Install nvm.
-  # (curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.4/install.sh | bash) || exit 1
-  git clone https://github.com/nvm-sh/nvm.git ~/.nvm/
-fi
-
-source ./bashrc.d/nvm.bash
-
-# We can't stop nvm appending to bashrc, but we don't need it - the variables nvm writes to .bashrc are already in
-# ~/.bashrc.d/nvm.bash
-cp bashrc bashrc-bk.nvm
-nvm install node && nvm use node && corepack enable
-cp bashrc-bk.nvm bashrc
-
 # ./install-vim
+
+if [ ! -d "$HOME/.emacs.d" ] ; then
+  echo "Attempting to clone ~/.emacs.d, but you may not be logged in to GitHub."
+  gh repo clone arafel/emacs.d ~/.emacs.d
+else
+  echo "Already have $HOME/.emacs.d"
+fi