add vim-shell

vim-shell/install.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+function __init_vim_shell() {
+    set -e
+    set -u
+
+    mkdir -p "$HOME/.vim/plugins"
+    rm -rf "$HOME/.vim/plugins/shell.vim"
+
+    echo ""
+
+    if [ ! -e "$HOME/.vimrc" ]; then
+        touch "$HOME/.vimrc"
+    fi
+
+    if ! grep 'shell=' -r ~/.vimrc > /dev/null 2> /dev/null; then
+        printf '" bash set as default shell (for compatibility) by webinstall.dev/vim-shell\n' >> ~/.vimrc.new.1
+        printf 'set shell=bash\n' >> ~/.vimrc.new.1
+        printf '\n' >> ~/.vimrc.new.1
+        cat ~/.vimrc >> ~/.vimrc.new.1
+        mv ~/.vimrc.new.1 ~/.vimrc
+    fi
+
+    echo ""
+    echo "Vim default shell is set. Edit with 'vim ~/.vimrc'"
+}
+
+__init_vim_shell