33 lines
1.2 KiB
Bash
Executable file
33 lines
1.2 KiB
Bash
Executable file
#!/usr/bin/env nix-shell
|
|
#!nix-shell -i zsh -p zsh
|
|
set -euo pipefail
|
|
|
|
# cd into nixpkgs' root, get the store path of `systemd.man`
|
|
cd "$(dirname "$0")/../../.."
|
|
SYSTEMD_MAN_DIR="$(nix-build -A systemd.man)/share/man"
|
|
|
|
# For each manual section
|
|
for section in {1..8}; do
|
|
sec_dir="${SYSTEMD_MAN_DIR}/man${section}"
|
|
|
|
# skip section 3 (library calls)
|
|
! [[ $section -eq 3 ]] || continue
|
|
|
|
# for each manpage in that section (potentially none)
|
|
for manpage in ${sec_dir}/*(N); do
|
|
# strip the directory prefix and (compressed) manpage suffix
|
|
page="$(basename "$manpage" ".${section}.gz")"
|
|
|
|
# if this is the manpage of a service unit
|
|
if [[ "$page" =~ ".*\.service" ]]; then
|
|
# ... and a manpage exists without the `.service` suffix
|
|
potential_alias="${sec_dir}/${page%\.service}.${section}.gz"
|
|
! [[ -e "${potential_alias}" &&
|
|
# ... which points to the same file, then skip
|
|
"$(gunzip -c "${potential_alias}")" == ".so ${page}.${section}" ]] || continue
|
|
fi
|
|
|
|
# else produce a JSON fragment, with the link to the upstream manpage (as HTML)
|
|
echo " \"${page}(${section})\": \"https://www.freedesktop.org/software/systemd/man/${page}.html\","
|
|
done
|
|
done
|