#!/bin/sh
# Used 2025-07 for one-time migration away from groff manual pages to asciidoc manual
# pages converted to groff by the build process.

# Convert all non-link manual pages to adoc
for m in docs/man/man?/*; do
    test -L "$m" && continue
    n=$(echo "$m" |sed s%docs/man%docs/src/man%).adoc
    if [ -e "$n" ] || [ -e "$n".in ] || grep -q '^.so' "$m"; then
	echo "E: Not converting $m due to roff include or existing adoc version"
    else
	echo "I: Converting '$m' to '$n'"
        pandoc -f man -t asciidoc "$m" -o "$n"
        git add "$n"
        git rm --quiet "$m"
    fi
done

# Make sure they can be converted back to manpage format
for n in docs/src/man/man?/*.adoc; do
    #echo "Making sure $n got required header"
    b=$(basename "$n" .adoc)
    name=$(echo "$b"|cut -d. -f1)
    s=$(echo "$b"|cut -d. -f2)
    if ! head -1 "$n" | grep -q "= $name ($s)" ||
	    ! "/usr/bin/asciidoc" --backend docbook \
              -a "a2x-format=manpage" --doctype manpage \
              --attribute "mansource=LinuxCNC" \
              --attribute "manmanual=LinuxCNC Documentation" \
              --verbose \
              --out-file x.man "$m"
    then
        (echo "= $name($s)"; echo; cat "$n") > "$n.new" && mv "$n.new" "$n"
        git add "$n"
    fi
done