install.sh: Fix all shellcheck warnings | Misc improvements

* modify sed command to work in both gnu sed and mac os sed

    https://stackoverflow.com/a/4247319

* use printf everywhere for more compatibility

* add some error checking
This commit is contained in:
Akianonymus 2021-07-03 09:43:42 +05:30
parent 1f89919d27
commit 27e3cf69bc
1 changed files with 47 additions and 28 deletions

View File

@ -1,55 +1,74 @@
#!/bin/sh
get_platform() {
case "$(uname -s)" in
Linux*) platform=Linux ;;
Darwin*) platform=Mac ;;
*) platform="UNKNOWN:${unameOut}" ;;
esac
echo $platform
# check if git command is installed
command -v git > /dev/null || {
printf "Install git before proceeding\n"
exit 1
}
echo "installing packer"
printf "%s\n" "Installing packer"
if [ -d ~/.local/share/nvim/site/pack/packer ]; then
echo "Clearning previous packer installs"
printf "%s\n" "Clearning previous packer installs"
rm -rf ~/.local/share/nvim/site/pack
fi
echo "\n=> Installing packer"
git clone https://github.com/wbthomason/packer.nvim \
~/.local/share/nvim/site/pack/packer/start/packer.nvim
echo "=> packer installed!"
printf "\n%s\n" "=> Cloning packer.."
if git clone https://github.com/wbthomason/packer.nvim \
~/.local/share/nvim/site/pack/packer/start/packer.nvim; then
printf "%s\n" "=> Packer installed!"
else
printf "Error: Couldn't clone packer\n"
exit 1
fi
echo "Linking config"
echo "old nvim config will be changed to nvim.bak if exists! :0"
printf "%s\n" "Linking config"
printf "%s\n" "Old nvim config will be changed to nvim.bak if exists! :0"
# copying config
if [ -d ~/.config/nvim ]; then
echo "Nvim Directory exists"
echo "Changing nvim to nvim.bak"
printf "%s\n" "Nvim Directory exists"
printf "%s\n" "Changing nvim to nvim.bak"
mv ~/.config/nvim/ ~/.config/nvim.bak/
echo "Creating new nvim directory"
printf "%s\n" "Creating new nvim directory"
mkdir -p ~/.config/nvim
else
echo "Nvim Config doesn't exist so creating one"
printf "%s\n" "Nvim Config doesn't exist so creating one"
mkdir -p ~/.config/nvim/
fi
cp -r init.lua ~/.config/nvim/ && cp -r lua ~/.config/nvim/
{ cp -r init.lua ~/.config/nvim/ && cp -r lua ~/.config/nvim/ ;} || {
printf "Error: Couldn't copy nvim config\n"
exit 1
}
# change shell in nvim config
read -p "which shell do you use?: " shellname
echo "$shellname"
_CURRENT_SHELL="${SHELL##*/}"
printf "%s\n: " "Which shell do you want to use ? [ Enter nothing for current shell ( $_CURRENT_SHELL ) ]"
read -r shellname
shellname="${shellname:-${_CURRENT_SHELL}}"
printf "%s\n" "$shellname"
if [ "$(get_platform)" = "Mac" ]; then
gsed -i "s/bash/$shellname/g" ~/.config/nvim/lua/mappings.lua
# don't try to do any changes if given shellname is same as bash
if ! [ bash = "$shellname" ]; then
# Reference: https://stackoverflow.com/a/4247319
if "$(command -v sed)" -i'.bak' -e "s/bash/$shellname/g" ~/.config/nvim/lua/mappings.lua; then
printf "\n%s\n" "=> Shell changed to $shellname on nvim successfully!"
else
printf "\n%s\n" "Cannot edit with sed, edit ~/.config/nvim/lua/mappings.lua manually to replace bash with $shellname."
fi
rm -f ~/.config/nvim/lua/mappings.lua.bak # delete backup file created by sed
else
sed -i "s/bash/$shellname/g" ~/.config/nvim/lua/mappings.lua
printf "\n%s\n" "=> Shell changed to $shellname on nvim successfully!"
fi
echo "\n=> shell changed to $shellname on nvim successfully!"
echo "\n=> neovim will open with some errors , just press enter" && sleep 1
printf "\n%s\n" "=> Neovim will open with some errors, just press enter" && sleep 1
# install all plugins + compile them
nvim +PackerSync
if _NVIM="$(command -v nvim)"; then
"${_NVIM}" +PackerSync
else
printf "Error: Neovim is not installed, install Neovim >= 5.x and then run the below command\n"
printf " nvim +PackerSync\n"
exit 1
fi