dotfiles/bootstrap.sh
2023-07-10 11:08:14 -04:00

163 lines
3.6 KiB
Bash
Executable File

#!/usr/bin/env bash
SCRIPT=$(basename $0)
SCRIPT_DIR=$(cd $(dirname $0) && pwd)
SOURCE_DIR=$SCRIPT_DIR/config
BIN_DIR=$SCRIPT_DIR/bin
TARGET_DIR=$HOME
MANIFEST=$SCRIPT_DIR/manifest
args=("$@")
dryrun=false
function green {
echo "\033[32m$1\033[0m"
}
function yellow {
echo "\033[33m$1\033[0m"
}
function red {
echo "\033[31m$1\033[0m"
}
# Sanely and safely creates symlinks.
# Arguments: $1 = source, $2 = target
function create_symlink {
source=$1
target=$2
if [ -h $target ]; then
echo -e $(yellow "Existing symlink: $target")
elif [ ! -e $source ]; then
echo -e $(red "Error - source does not exist: $source")
echo -e "Correct path or remove from $MANIFEST to continue."
exit
elif [ -e $target ]; then
echo -e $(red "Error - regular file at target location $target exists")
echo -e $(red "Remove the obstruction and re-run this script to continue.")
exit
else
echo -e $(green "Creating symlink: $target")
if ! $dryrun; then
ln -s $source $target
fi
fi
}
# Sanely removes symlinks.
# Arguments: $1 = target
function rm_symlink {
target=$1
if [ -h $target ]; then
echo -e $(green "Removing symlink: $target")
if ! $dryrun; then
rm $target
fi
elif [ -e $target ]; then
echo -e $(red "Warning - Regular file at target location: $target")
else
echo -e $(yellow "Nothing to do for: $target")
fi
}
# 'Installs' the symlinks to the user's home directory.
function install {
echo "Installing dotfile symlinks..."
while read path; do
# If dotfile lives in subdirectory, check that it exists/create it
target_subdir=$TARGET_DIR/.$(dirname $path)
if [ ! -d $target_subdir ] && ! $dryrun; then
mkdir -p $target_subdir
fi
create_symlink $SOURCE_DIR/$path $TARGET_DIR/.$path
done < $MANIFEST
# gnupg permissions
#echo -e $(yellow "Setting permissions to 0600 for gpg.conf..")
#chmod 700 ~/.gnupg
echo "Installing binary symlinks..."
for file in $(ls $BIN_DIR); do
# Check that bin directory exists/create it
if [ ! -d $TARGET_DIR/bin/ ] && ! $dryrun; then
mkdir $TARGET_DIR/bin/
fi
create_symlink $BIN_DIR/$file $TARGET_DIR/bin/$file
done
echo "Initializing git submodules..."
if ! $dryrun; then
cd $SCRIPT_DIR
git submodule update --init --recursive
fi
echo "Done"
echo "Tightening permissions on \$HOME..."
if ! $dryrun; then
chmod o-rx $HOME
fi
echo "Done"
}
# Checks for symlinks this script might have created and cleans them up.
function uninstall {
echo "Uninstalling dotfile symlinks..."
while read path; do
rm_symlink $TARGET_DIR/.$path
done < manifest
echo "Uninstalling binary symlinks..."
for file in $(ls $BIN_DIR); do
rm_symlink $TARGET_DIR/bin/$file
done
echo "Done"
}
function usage {
echo "Usage: $SCRIPT [<command>] [-h|--help] [-d|--dry-run] [-s|--sandbox]"
echo "Where <command> is 'install', or 'uninstall'"
exit 0
}
# Parse flags
for (( i = ${#args[@]} - 1; i >= 0; i-- )); do
case ${args[i]} in
-d | --dry-run)
echo "(DRY RUN: No changes will be made)"
dryrun=true
unset args[i];;
-s | --sandbox)
echo "(SANDBOX: Symlinking in sandbox folder)"
TARGET_DIR=$SCRIPT_DIR/sandbox
if [ ! -d $TARGET_DIR ]; then
mkdir $TARGET_DIR
fi
unset args[i];;
-h | --help)
usage
unset args[i];;
-*)
echo "Unrecognized option: ${args[i]}"
usage
unset args[i];;
esac
done
# Check number of arguments
if [ ${#args[@]} -gt 1 ]; then
usage
fi
# Script start
case ${args[0]} in
'' ) install;;
'install' ) install;;
'uninstall') uninstall;;
* ) usage;;
esac