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100 lines
3.2 KiB
100 lines
3.2 KiB
#!/usr/bin/env bash
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set -e
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# Accept the `--remove` argument to delete symlinks of the files to be copied
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# This is useful for testing a clean installation (eg. `setup.sh --remove && setup.sh`)
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# Note: Normal setup overwrites all incorrect symlinks, so re-installation in place is idempotent
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if [ "$1" == '--remove' ]; then
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remove=1
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else
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remove=0
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fi
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DIR="$( dirname "$(readlink -f "${BASH_SOURCE[0]}")" )"
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SRC_DIR="$DIR/src"
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POST_SETUP_SCRIPTS=(
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vscode.sh # install vscode configs
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ssh.sh # set up SSH config and create key if needed
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gpg.sh # create GPG key if needed
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diff-highlight.sh # build diff-highlight script from git source
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)
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# read file basenames to copy_files array
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copy_files=()
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files_to_remove=()
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while IFS= read -r -d $'\0'; do
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# remove leading $SRC_DIR/ from found files
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# this allows directories to be preserved
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copy_files+=( "${REPLY//$SRC_DIR\//}" )
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done < <(find "$SRC_DIR" -type f -print0)
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# clear symlinks pointing to non-existent src files
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symlink_check_dirs=()
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while IFS= read -r -d $'\0'; do
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symlink_check_dirs+=( "$(sed -r -e "s|^${SRC_DIR}/?||" <<< "$REPLY")" )
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done < <(find "$SRC_DIR" -type d -print0)
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for dir in "${symlink_check_dirs[@]}"; do
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while IFS= read -r -d $'\0'; do
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# it is possible for `readlink` to fail if the link target does not
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# exist (within multiple non-existent subdirectories?); such entries
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# aren't valid to check anyway, skip them
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link_target="$(readlink -f "$REPLY")" || continue
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# if a symlink is found which points to a SRC_DIR file but there's no
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# file that it's pointing at, it's an old and outdated link; delete it
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if [[ "$link_target" =~ ^"$SRC_DIR" && ! -f "$link_target" ]]; then
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echo "Removing dead dotfiles symlink: '$REPLY'"
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rm "$REPLY"
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fi
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done < <(find "$HOME/$dir" -maxdepth 1 -type l -print0)
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done
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if [ $remove -eq 1 ]; then
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for file in "${copy_files[@]}"; do
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if [ -L "$file" ]; then
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rm -v "$file"
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else
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echo "Skipping deletion of ${file} because it is not a symlink"
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fi
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done
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elif [ $remove -eq 0 ]; then
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# Ensure all files are absent in $HOME
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for file in "${copy_files[@]}"; do
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source="${SRC_DIR}/${file}"
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target="${HOME}/${file}"
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if { [ -e "$target" ] && ! [ -L "$target" ]; } \
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|| { [ -L "$target" ] && [[ "$source" != "$(readlink -f "$target")" ]]; }; then
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files_to_remove+=( "$file" )
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fi
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done
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if [ "${#files_to_remove}" -ne 0 ]; then
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echo "Remove the following files/symlinks from home directory and re-run setup!"
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printf '%s\n' "${files_to_remove[@]}"
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exit 1
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fi
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# Symlink files to $HOME, overwrite incorrect symlinks
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for file in "${copy_files[@]}"; do
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source="${SRC_DIR}/${file}"
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target="${HOME}/${file}"
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if [[ -h "$target" ]] && [[ "$source" == "$(readlink -f "$target")" ]]; then
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echo "Skipping '${source}' -> '${target}' link as it is already linked"
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else
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target_dir="$(dirname "$target")"
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while [ ! -d "$target_dir" ]; do
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target_parent="$target_dir"
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while [ ! -d "$(dirname "$target_parent")" ]; do
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target_parent="$(dirname "$target_parent")"
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done
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mkdir -vm 0700 "$target_parent"
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done
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ln -sv "$source" "$target"
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fi
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done
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fi
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for script in "${POST_SETUP_SCRIPTS[@]}"; do
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source "${DIR}/post-setup/${script}"
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done
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