1 files changed, 18 insertions, 12 deletions
diff --git a/contrib/cpt-cat b/contrib/cpt-cat
index bfc9d66..652ee7c 100755
--- a/contrib/cpt-cat
+++ b/contrib/cpt-cat
@@ -28,23 +28,29 @@
 ## .Em version
 ## files.
 
-case "$1" in
-    --help|-h)
-        printf 'usage: %s [pkg] [file...]\n' "${0##*/}"
-        exit 0
-        ;;
-    '')
-        [ "$#" -gt 1 ] && shift
-        set -- "${PWD##*/}" "$@"
-esac
+parser_definition() {
+    setup REST help:usage -- "usage: ${0##*/} [pkg] [file...]"
+    global_options silent
+}
+
+# shellcheck disable=1091
+. cpt-lib
+
+[ "$1" ] || {
+    # Usage such as `cpt-cat '' build` is also valid.
+    [ "$#" -gt 1 ] && shift
+    set -- "${PWD##*/}" "$@"
+}
 
 pkg=$1; shift
-cpt-list "$pkg" >/dev/null
+pkg_list "$pkg" >/dev/null
 
 [ "$1" ] || set -- build depends sources version
 
 for file; do
-    [ -f "$CPT_ROOT/var/db/cpt/installed/$pkg/$file" ] || continue
+    # $sys_db is defined by cpt-lib
+    # shellcheck disable=2154
+    [ -f "$sys_db/$pkg/$file" ] || continue
     printf '\033[1m%s:\033[m\n' "$file" >&2
-    cat "$CPT_ROOT/var/db/cpt/installed/$pkg/$file"
+    cat "$sys_db/$pkg/$file"
 done