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| # link() @ https://gist.github.com/np/3181899#file-link-sh {{{ | |
| # Dependencies: | |
| # error() @ https://gist.github.com/np/3736727#file-error-sh | |
| # Examples: | |
| # cd ~/configs | |
| # link .zshrc ~/.zshrc | |
| # link .vimrc ~/.vimrc | |
| link(){ | |
| local dst="$1" | |
| local ldst="$1" | |
| local src="$2" | |
| case "$dst" in | |
| /*) : ;; | |
| *) ldst="$(realpath "$dst" --relative-to="$(dirname "$2")")";; | |
| esac | |
| if [ -L "$src" ]; then | |
| # Check if the link is already as expected. | |
| [ $(readlink "$src") != "$ldst" ] || return 0 | |
| rm "$src" | |
| elif [ -e "$src" ]; then | |
| if [ -e "$dst" ]; then | |
| error 1 "$src already exists, fix this and relaunch" | |
| else | |
| echo "moving $src to $dst" >>/dev/stderr | |
| mv "$src" "$dst" | |
| fi | |
| elif [ ! -e "$dst" ]; then | |
| # if nothing exists we do nothing | |
| return 0 | |
| fi | |
| echo "linking $dst" >>/dev/stderr | |
| ln -s "$ldst" "$src" | |
| } | |
| # }}} |
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