diff options
| -rwxr-xr-x | contrib/cpt-revdepends | 47 |
1 files changed, 37 insertions, 10 deletions
diff --git a/contrib/cpt-revdepends b/contrib/cpt-revdepends index 5857da1..36fe4fa 100755 --- a/contrib/cpt-revdepends +++ b/contrib/cpt-revdepends @@ -1,17 +1,44 @@ #!/bin/sh -e # Display packages which depend on package -case "$1" in - --help|-h) - printf '%s\n' "usage: ${0##*/} [pkg]" - exit 0 - ;; - '') set -- "${PWD##*/}" -esac +parser_definition() { + setup REST help:usage -- "usage: ${0##*/} [options...] [pkg...]" + flag tree -t --tree -- "Also print indirect reverse dependencies" + flag make -m --make -- "Include make dependencies" + global_options +} + +. cpt-lib; set +f + +[ "$1" ] || set -- "${PWD##*/}" # 'cd' to the database directory as a simple way of # stripping the path and performing a 'basename'. -cd "$CPT_ROOT/var/db/cpt/installed" +cd "$sys_db" + +get_revdep() { + query="^$1\$" + [ "$make" ] && query="$query\\|^$1 *make\$" + grep "$query" -- */depends | while read -r pkg _; do + printf '%s\n' "${pkg%%/*}" + done +} -# Use a simple 'grep' to display packages depending on '$1'. -grep "^$1\$" -- */depends +if [ "$tree" ]; then + create_cache nobuild + :> "$tmp_dir/processed" + get_revdep "$1" > "$tmp_dir/dep" + while ! diff -q "$tmp_dir/dep" "$tmp_dir/processed" >/dev/null 2>&1; do + cp "$tmp_dir/dep" "$tmp_dir/dep.new" + while read -r line; do + grep -q "^$line\$" "$tmp_dir/processed" && continue + get_revdep "$line" >> "$tmp_dir/dep.new" + printf '%s\n' "$line" >> "$tmp_dir/processed" + done < "$tmp_dir/dep" + sort -u -o "$tmp_dir/dep" "$tmp_dir/dep.new" + sort -u -o "$tmp_dir/processed" "$tmp_dir/processed" + done + cat "$tmp_dir/dep" +else + get_revdep "$1" +fi |