Embed assets into the binary

static/public/assets/fonts/split.sh

@@ -0,0 +1,87 @@
+#!/usr/bin/env sh
+
+set -eu
+
+get_marker() {
+    # extended regex syntax
+    cc_marker='^\#? ?Attribution-NoDerivatives 4.0 International$'
+    ofl_marker='^SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007$'
+
+    m_file="$1"
+
+    if grep -Eq "$ofl_marker" "$m_file"; then
+        printf '%s' "$ofl_marker"
+    elif grep -Eq "$cc_marker" "$m_file"; then
+        printf '%s' "$cc_marker"
+    else
+        printf '%s %s\n' "$m_file" "matches no marker" >&2
+        printf ''
+    fi
+}
+
+behead() {
+    b_file="$1"
+    b_marker="$2"
+    b_out_path="$3"
+
+    sed -E "/$b_marker/, \$d" "$b_file" | sed -E 's/^-+$//' > "$b_out_path"
+}
+
+compact() {
+    c_file="$1"
+    c_marker="$2"
+    c_out_path="$3"
+
+    # Eliminating [:space:] is enough for OFL to match, but Reforma's
+    # markdown license file is full of quirks so we must reduce aggresively
+    sed -En "/$c_marker/, \$p" "$c_file" \
+        | sed -E 's/(wiki\.creativecommons\.org|https?).*\s//g' \
+        | tr -cd '[:alnum:]' \
+        | tr '[:upper:]' '[:lower:]' > "$c_out_path"
+}
+
+for dir in *; do
+    [ -d "$dir" ] || continue
+    [ "$dir" != _licenses ] || continue
+    license="$dir/LICENSE"; [ -f "$license" ]
+
+    marker=$(get_marker "$license")
+
+    if [ -n "$marker" ]; then
+        behead "$license" "$marker" "$dir/header.LICENSE"
+        compact "$license" "$marker" "$dir/compact.LICENSE"
+    fi
+done
+
+for license in _licenses/*.LICENSE; do
+    printf '%s' "$license" | grep -qEv '(header|compact)\.LICENSE' || continue
+
+    marker=$(get_marker "$license")
+    compact_name=$(printf '%s' "$license" | sed "s*\.LICENSE*.compact.LICENSE*")
+    compact "$license" "$marker" "$compact_name"
+done
+
+for file in ./*/*LICENSE*; do
+    size=$(du "$file" | awk '{print $1}')
+    if [ "$size" -le 0 ]; then
+        echo "$file is empty"
+        exit 1
+    fi
+done
+
+sha256sum ./*/*LICENSE* > LICENSES.sha256sum
+grep compact LICENSES.sha256sum | sort
+
+unique_licenses=$(
+    find _licenses/ -name '*.LICENSE' -not -name '*.compact.LICENSE' | wc -l
+)
+unique_hashes=$(
+    cat LICENSES.sha256sum | grep compact | awk '{print $1}' | sort | uniq | wc -l
+)
+
+if [ "$unique_hashes" -ne "$unique_licenses" ]; then
+    echo "unique hashes: $unique_hashes"
+    echo "unique licenses: $unique_licenses"
+    exit 1
+fi
+