#!/bin/sh

# Bootstrap home directory after dotfiles repository successfully cloned (see
# INSINUATE-DOTFILES Consfigurator property and 'insinuate-dotfiles' script).
# This script should be POSIX sh and idempotent.  This is the 'mr fixups'
# action for src/dotfiles, here rather than in src/dotfiles/lib-src/mr/config
# so that we can run it even if we don't have a Perl interpreter.

set -e

cd "$HOME/src/dotfiles"

if [ -d /etc/skel ]; then
    cd /etc/skel
    for file in $(find . -type f); do
	[ -e "$HOME/$file" -a ! -h "$HOME/$file" \
	     -a -e "$HOME/src/dotfiles/$file" ] \
	    && cmp "$file" "$HOME/$file" >/dev/null && rm "$HOME/$file"
    done
    cd "$HOME/src/dotfiles"
fi

# On Debian systems root gets a special .bashrc and .profile.
for f in bashrc profile; do
    [ -e /usr/share/base-files/dot.$f \
	 -a -e "$HOME/.$f" -a ! -h "$HOME/.$f" ] \
	&& cmp /usr/share/base-files/dot.$f "$HOME/.$f" >/dev/null \
	&& rm "$HOME/.$f"
done

# These will often end up created by, e.g., insinuate-dotfiles.
# Remove them so that the initial stow will not involve any conflicts.
for f in gpg.conf gpg-agent.conf dirmngr.conf .gpg-v21-migrated; do
    [ -h "$HOME/.gnupg/$f" ] || rm -f "$HOME/.gnupg/$f"
done

bin/hstow restow .

if command -v git >/dev/null; then
    for branch in $(git for-each-ref \
			--format='%(refname:short)' refs/heads/); do
	git rev-parse "$branch"@{upstream} >/dev/null 2>&1 \
            && git branch --unset-upstream "$branch"
    done
    # Ensure 'git push-all' non-force pushes master to origin.
    git config --unset branch.master.pushRemote ||:
    # Ensure 'git push-all' force pushes localhost's branch to origin.
    git config branch."$(hostname | sed -e 's#\..*$##')".pushRemote origin

    # Don't set up any tracking branches, or fetch it.
    [ -z "$(git remote)" ] \
	&& git remote add origin https://git.spwhitton.name/dotfiles

    # Non-POSIX cleanup: eventually drop.
    rm -f .git/hooks/post-checkout{,_01gpgsign}
    find bin lib/aid lib/backup lib/perl5 lib/hooks lib/athena lib/bins \
	 lib/img lib/mr lib/src local/anacron/spool local/mutt \
	 -type d -empty -delete 2>/dev/null ||:
fi

cd "$HOME"
[ -e .mrconfig ] || cat >.mrconfig <<EOF
# -*- mode: conf -*-

include = cat ~/src/dotfiles/lib-src/mr/config
EOF
mkdir -p .ssh tmp src lib mnt \
      local/big local/pub local/auth .emacs.d/auto-saves .emacs.d/backups \
      local/src local/bin local/lib local/log local/tmp local/info
chmod -R u+rwX,go= local/auth .emacs.d/auto-saves .emacs.d/backups