update: install nvim from a release branch

scripts/helper.sh

@@ -105,12 +105,12 @@ symlink () {
 
   if [[ -f $link ]] && [[ ! -L $link ]]; then
     cp "$link" "$link".bak
-    info "$link backed up"
   elif [[ -d $link ]] && [[ ! -L $link ]]; then
     cp -R "$link" "$link".bak
-    info "$link backed up"
   fi
 
+  info "$link backed up"
+
   local symlink_dir=$(dirname "$link")
   [[ ! -d $symlink_dir ]] && mkdir -p "$symlink_dir"
 

scripts/nvim.sh

@@ -49,19 +49,35 @@ install_deps () {
 install_neovim () {
   header "Installing Neovim ..."
 
-  clone neovim/neovim "$HOME"
-  [[ $? -ne 0 ]] && exit
+  if [[ -d $HOME/neovim ]]; then
+    warning "neovim already exists. Updating..."
+    cd "$HOME"/neovim && git pull 1> /dev/null
+    success
+
+    exit
+  fi
+
+  local branch=release-0.10
+
+  git clone --depth 1 --branch "$branch" https://github.com/neovim/neovim.git "$HOME"/neovim
+  if [[ $? -ne 0 ]]; then
+    error "Failed to clone neovim"
+    exit
+  fi
 
-  info "Building neovim from source..."
+  info "\nBuilding neovim from source..."
 
   cd "$HOME"/neovim \
-    && make distclean \
     && rm -rf "$HOME"/.local/share/nvim/runtime \
-    && git checkout remotes/origin/release-0.10 \
+    && make distclean \
     && make \
       CMAKE_BUILD_TYPE=Release \
-      CMAKE_INSTALL_PREFIX="$HOME"/.local install 1> /dev/null \
-    && git checkout master
+      CMAKE_INSTALL_PREFIX="$HOME"/.local install 1> /dev/null
+
+  if [[ $? -ne 0 ]]; then
+    error "Failed to build neovim"
+    exit
+  fi
 
   success
 }