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#!/usr/bin/env sh
#! Copies the templates from `templates/*` to `build/*` and replaces every symbolic link with a
#! copy.
# Source: https://stackoverflow.com/a/20460402
# Checks if the string (arg2) starts with the substring (arg1)
#
# arg1: substring
# arg2: string
stringContain() { case $2 in $1*) return 0 ;; *) return 1 ;; esac }
ROOT="$(git rev-parse --show-toplevel)"
# TODO: Find a way to do the building step incrementally (i.e. without removing everything) <2024-06-11>
[ -n "$ROOT" ] && $DRY_RUN_CMD rm --recursive "$ROOT/build"
$DRY_RUN_CMD mkdir --parents "$ROOT/build"
cd "$ROOT" || {
echo "No '$ROOT' (Root) ?!"
exit 1
}
instantiate_dir() {
dir="$1"
fd . "$dir" --max-depth 1 --type directory | while read -r template; do
template_path="${template#"$ROOT/"}"
echo "Instantiating template: '$template_path'.."
template_new_path="$ROOT/build/$(basename "$template")"
git ls-files --cached --full-name "$template" | while read -r file; do
new_file_path="${file#"$template_path"}"
new_path="$template_new_path/$new_file_path"
$DRY_RUN_CMD mkdir --parents "$(dirname "$new_path")"
$DRY_RUN_CMD cp --recursive "$file" "$new_path"
done
{
# Show directories
fd . "$template_new_path" --type symlink --follow --hidden
# Show simple files
fd . "$template_new_path" --type symlink --hidden
} | while read -r symlink; do
symlink_path="$(readlink --canonicalize "$symlink")"
if stringContain "$ROOT" "$symlink_path"; then
echo " -> Instantiating symlink: '.${symlink#"$ROOT"}'.."
$DRY_RUN_CMD rm "$symlink"
$DRY_RUN_CMD cp --recursive "$symlink_path" "$symlink"
else
echo " -> Not instantiating symlink '.${symlink#"$ROOT"}', as it points outside the repo!"
fi
done
done
}
instantiate_dir "$ROOT/templates"
# vim: ft=sh
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