feat(common): Replace the hand-crafted licensing approach with reuse

2 files changed, 57 insertions, 92 deletions

diff --git a/common/scripts/cprh.sh b/common/scripts/cprh.sh
new file mode 100755
index 0000000..9582575
--- /dev/null
+++ b/common/scripts/cprh.sh
@@ -0,0 +1,57 @@
+#! /usr/bin/env sh
+
+die() {
+    echo "$@" 1>&2
+    exit 1
+}
+
+help() {
+    cat <<EOF
+A copyright header managment tool.
+
+USAGE:
+    cprh.sh [OPTIONS] contribute NAME EMAIL FILE..
+
+OPTIONS:
+    --help      | -h
+                            Display this help and exit.
+
+ARGUMENTS:
+    NAME := [[git config user.name]]
+                            Your name.
+
+    NAME := [[git config user.email]]
+                            Your email address.
+
+    FILE := [[git diff --name-only --cached]]
+                            The file you want to change. This can be given multiple times.
+EOF
+}
+
+for arg in "$@"; do
+    case "$arg" in
+    "--help" | "-h")
+        help
+        exit 0
+        ;;
+    *)
+        echo "'$1' is not a recognized option. See --help for more!" 1>&2
+        exit 1
+        ;;
+    esac
+done
+
+user_name="$1"
+[ -z "$user_name" ] && die "No NAME set! See --help for more"
+
+user_email="$2"
+[ -z "$user_email" ] && die "No EMAIL set! See --help for more"
+shift 2
+
+styleOne=""
+styleTwo=""
+[ "$COMMENT_STYLE" ] && styleOne="--style" && styleTwo="$COMMENT_STYLE"
+
+# The styleTwo must be unquoted to avoid adding empty args to reuse
+# shellcheck disable=2086
+reuse annotate --copyright "$user_name <$user_email>" --copyright-prefix string-c --template default --multi-line $styleOne $styleTwo
diff --git a/common/scripts/renew_copyright_header.sh b/common/scripts/renew_copyright_header.sh
deleted file mode 100755
index 423547f..0000000
--- a/common/scripts/renew_copyright_header.sh
+++ /dev/null
@@ -1,92 +0,0 @@
-#! /usr/bin/env sh
-
-# NOTE: This is the line length of the .licensure.yml header template **plus** the extra
-# line after the template comment.
-TEMPLATE_LINE_LENGTH=20
-LATEX_TEMPLATE_LINE_LENGTH=9
-
-PROJECT_ROOT="$(git rev-parse --show-toplevel)"
-
-remove() {
-    extension="$1"
-    file="$2"
-
-    # We need to differentiate, when removing the old copyright header, as some
-    # formatters do weird things to the file
-    case "$extension" in
-    # normal '#' comments (these are $TEMPLATE_LINE_LENGTH lines long)
-    "Makefile" | "makefile" | "toml" | "envrc" | "yml" | "gitignore" | "awk" | "pest" | "lua")
-        sed --in-place "1,${TEMPLATE_LINE_LENGTH}d" "$file"
-        ;;
-    # LaTeX files (or TeX files in general) have a different license, use the
-    # $LATEX_TEMPLATE_LINE_LENGTH variable.
-    "tex")
-        sed --in-place "1,${LATEX_TEMPLATE_LINE_LENGTH}d" "$file"
-        ;;
-    # normal '/* ... */' like comments (these are $TEMPLATE_LINE_LENGTH + 2 lines long)
-    "c" | "h" | "md" | "rs" | "html" | "svg" | "drawio" | "tri")
-        length="$((TEMPLATE_LINE_LENGTH + 2))"
-        sed --in-place "1,${length}d;" "$file"
-        ;;
-    # alejandra (the nix formatter) removes the blank line after the comment,
-    # thus only $TEMPLATE_LINE_LENGTH - 1 lines
-    "nix")
-        length="$((TEMPLATE_LINE_LENGTH - 1))"
-        sed --in-place "1,${length}d;" "$file"
-        ;;
-    # Shell needs a shebang on the first line, only after the first line can we
-    # remove the $TEMPLATE_LINE_LENGTH lines
-    "sh")
-        sed --in-place "2,${TEMPLATE_LINE_LENGTH}d;" "$file"
-        licensure --in-place "$file"
-
-        TEMPLATE_LINE_LENGTH_NEW="$(($(yq --raw-output '.licenses | map(.template) | join("")' "$PROJECT_ROOT/.licensure.yml" | wc -l) + $(yq '.comments | last | .commenter.trailing_lines' "$PROJECT_ROOT/.licensure.yml")))"
-
-        # delete the current shebang
-        to="$((TEMPLATE_LINE_LENGTH_NEW + 1))"
-        sed --in-place "${TEMPLATE_LINE_LENGTH_NEW},${to}d;" "$file"
-
-        # add a new one
-        sed --in-place "1i#! /usr/bin/env sh" "$file"
-        ;;
-    *)
-        echo "File '$file' with extension '$extension' is not know yet, please add it!"
-        ;;
-    esac
-}
-
-list() {
-    echo "$extension -> $file"
-}
-
-if [ -f "$1" ]; then
-    file="$(realpath "$1")"
-    filename="$(basename -- "$file")"
-    extension="${filename##*.}"
-    filename="${filename%.*}"
-
-    if [ -n "$DRY_RUN" ]; then
-        list "$extension" "$file"
-    else
-        remove "$extension" "$file"
-    fi
-else
-    fd --type file --hidden . | while read -r file; do
-        if grep --quiet 'SPDX-License-Identifier' "$file"; then
-            filename="$(basename -- "$file")"
-            extension="${filename##*.}"
-            filename="${filename%.*}"
-
-            if [ -n "$DRY_RUN" ]; then
-                list "$extension" "$file"
-            else
-                remove "$extension" "$file"
-            fi
-        fi
-    done
-
-    if [ -z "$DRY_RUN" ]; then
-        licensure --in-place --project
-        nix fmt
-    fi
-fi