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55 lines
1.5 KiB
55 lines
1.5 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 old 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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# 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 $'\0'; do
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copy_files+=( "$(basename "$REPLY")" )
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done < <(find "$SRC_DIR" -type f -print0)
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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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if [ -e "${HOME}/${file}" ] && ! [ -L "${HOME}/${file}" ]; 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 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 $HOME, overwrite old symlinks
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for file in "${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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ln -sv "${SRC_DIR}/${file}" "${HOME}/${file}"
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fi
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done
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fi
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