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#+title: Install Script
This can be run as =./install=, so make it explicit what binary to run it with (POSIX shell).
#+begin_src sh :tangle ~/.dotfiles/install :mkdirp yes
#!/bin/sh
#+end_src
Save the old log file.
#+begin_src sh :tangle ~/.dotfiles/install :mkdirp yes
mv ~/.update-home.log ~/.update-home.log.old
#+end_src
Install the dotfiles repository at =~/.dotfiles= if it doesn't already exist.
#+begin_src sh :tangle ~/.dotfiles/install :mkdirp yes
if ! test -d ~/.dotfiles; then
echo Installing dotfiles...
git clone git@git.sr.ht:~jjanzen/.dotfiles ~/.dotfiles >> ~/.update-home.log
fi
#+end_src
POSIX shell doesn't have =pushd= and =popd=. We do it manually by saving the current path before moving to =~/.dotfiles=. Exit if the =cd= call fails (it shouldn't).
#+begin_src sh :tangle ~/.dotfiles/install :mkdirp yes
CWD=$(pwd)
cd ~/.dotfiles || exit
#+end_src
Stash any existing changes before moving to the main branch and pulling any new changes from the remote.
#+begin_src sh :tangle ~/.dotfiles/install :mkdirp yes
{
git stash
git checkout main
git pull --rebase
} >> ~/.update-home.log
#+end_src
If the =update-home= executable has changed, replace it and bootstrap into the new one.
#+begin_src sh :tangle ~/.dotfiles/install :mkdirp yes
if ! diff ~/.dotfiles/install ~/.local/bin/update-home >> ~/.update-home.log; then
cp ~/.dotfiles/install ~/.local/bin/update-home || exit 1
echo Changes have been made to the install script.
echo Running the new install script.
chmod +x ~/.local/bin/update-home
~/.local/bin/update-home
exit
fi
#+end_src
Extract each configuration file from its literate =.org= file into its correct location by running =org-babel-tangle= on each =.org= file.
#+begin_src sh :tangle ~/.dotfiles/install :mkdirp yes
echo Installing configuration files...
find -- . -type f -name "*.org" | while read -r file; do
emacs --batch "${file}" -f package-initialize --eval '(org-babel-tangle)' >> ~/.update-home.log
done
#+end_src
Install the [[./wallpaper.png][wallpaper]] file.
#+begin_src sh :tangle ~/.dotfiles/install :mkdirp yes
echo Installing wallpaper...
cp .wallpaper ~/.wallpaper
#+end_src
Install any missing fonts by extracting the corresponding =tar.gz= archive.
#+begin_src sh :tangle ~/.dotfiles/install :mkdirp yes
fonts_changed=false
if ! test -d ~/.local/share/fonts/ComputerModern; then
echo Computer Modern font missing. Installing...
tar xf ~/.dotfiles/.local/share/fonts/ComputerModern.tar.gz -C ~/.local/share/fonts >> ~/.update-home.log
fonts_changed=true
fi
if ! test -f ~/.local/share/fonts/NFM.ttf; then
echo Nerd Font Mono font missing. Installing...
tar xf ~/.dotfiles/.local/share/fonts/NFM.tar.gz -C ~/.local/share/fonts >> ~/.update-home.log
fonts_changed=true
fi
if ! test -d ~/.local/share/fonts/SauceCodePro; then
echo Source Code Pro Nerd Font missing. Installing...
tar xf ~/.dotfiles/.local/share/fonts/SauceCodePro.tar.gz -C ~/.local/share/fonts >> ~/.update-home.log
fonts_changed=true
fi
#+end_src
If any missing fonts were installed, update the font cache.
#+begin_src sh :tangle ~/.dotfiles/install :mkdirp yes
if [ $fonts_changed = true ]; then
echo Updating the font cache...
fc-cache -f >> ~/.update-home.log
fi
#+end_src
Move the user back to where they came from.
#+begin_src sh :tangle ~/.dotfiles/install :mkdirp yes
cd "${CWD}" || exit
#+end_src
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