--- a/docs/man/man8/fports.rst	Mon Nov 04 22:45:00 2024 +0100
+++ b/docs/man/man8/fports.rst	Tue Nov 05 10:57:06 2024 +0100
@@ -15,6 +15,8 @@
 
 **fports deptree** [**-l** `maxlevel`\|\ **--maxlevel**\=\ `maxlevel`] [**-r**\|\ **--reverse**] [**-t**\|\ **--list**\|\ **--transitive**] `package` ...
 
+**fports detail**  **-b**\|\ **--nofreebsd**\|\ **--no-freebsd**
+
 **fports detail**  **-n**\|\ **--noauto**\|\ **--no-auto**
 
 **fports detail**  **-m**\|\ **--mapped**
@@ -75,6 +77,8 @@
      that depend on a given `package`.
 
 
+**fports detail**  **-b**\|\ **--nofreebsd**\|\ **--no-freebsd**
+
 **fports detail**  **-n**\|\ **--noauto**\|\ **--no-auto**
 
 **fports detail**  **-m**\|\ **--mapped**
@@ -92,6 +96,11 @@
 
   .. program:: fports deptree
 
+  .. options:: -b, --nofreebsd, --no-freebsd
+
+     Automatically select all packages that are *not* installed from the
+     standard FreeBSD repository.
+
   .. option:: -n, --noauto, --no-auto
 
      Automatically select all packages that are *not* installed automatically.

--- a/sbin/fports	Mon Nov 04 22:45:00 2024 +0100
+++ b/sbin/fports	Tue Nov 05 10:57:06 2024 +0100
@@ -24,6 +24,7 @@
 USAGE: fports -h|--help
        fports -V|--version
        fports deptree [-l maxlevel|--maxlevel=maxlevel] [-r|--reverse] [-t|--list|--transitive] package...
+       fports detail -b|--nofreebsd|--no-freebsd
        fports detail -n|--noauto|--no-auto
        fports detail -m|--mapped
        fports detail package...
@@ -350,21 +351,33 @@
     # $@
 
     local package \
+          packages do_sort idx prev_package \
           repositories packagemapping instver instrepo \
           repo title_printed indexfile _dummy opt acookie \
           pkglabel pkgdescr pkgversion mapped_package
 
+    do_sort=no
+    opt_nofreebsd=no
     opt_noauto=no
     opt_mapped=no
-    while getopts "nm-:" opt; do
-        postprocess_getopts_for_long "nm-:" opt "noauto" "no-auto" "mapped" ""
+    while getopts "bnm-:" opt; do
+        postprocess_getopts_for_long "nm-:" opt "nofreebsd" "no-freebsd" "noauto" "no-auto" "mapped" ""
         case "${opt}" in
+            b|nofreebsd|no-freebsd)
+                # shellcheck disable=SC2034     # appears unused
+                opt_nofreebsd=yes
+                do_sort=yes
+                ;;
             n|noauto|no-auto)
                 # shellcheck disable=SC2034     # appears unused
-                opt_noauto=yes;;
+                opt_noauto=yes
+                do_sort=yes
+                ;;
             m|mapped)
                 # shellcheck disable=SC2034     # appears unused
-                opt_mapped=yes;;
+                opt_mapped=yes
+                do_sort=yes
+                ;;
             \?)
                 exit 2;;
             *)
@@ -374,37 +387,51 @@
     shift $((OPTIND-1))
     OPTIND=1
 
-    if checkyesno opt_noauto || checkyesno opt_mapped; then
-        [ $# -gt 0 ] && fatal "${EX_USAGE}" "packages are not allowed for options -n or -m"
-        if checkyesno opt_noauto && checkyesno opt_mapped; then
-            fatal "${EX_USAGE}" "cannot use -n and -m together"
-        fi
-    fi
-
+    packages=''
+    farray_create packages
     repositories=''
     get_active_repositories repositories
     packagemapping=''
     init_package_mapping packagemapping
     indexfile="$(get_local_index_file)"
 
+    if checkyesno opt_nofreebsd; then
+        while IFS='|' read -r package repo; do
+            [ "${repo}" != 'FreeBSD' ] && farray_append packages "${package}"
+        done <<EOF_1fa6f326-49e6-4b01-a7ea-52372d00df1e
+$(LC_ALL=C.UTF-8 "${PKG}" query '%n|%R')
+EOF_1fa6f326-49e6-4b01-a7ea-52372d00df1e
+    fi
     if checkyesno opt_noauto; then
         for package in $(LC_ALL=C.UTF-8 "${PKG}" query -e '%a = 0' '%n'); do
-            _package_max_detail "${package}" "${packagemapping}" "${repositories}" "${indexfile}"
+            farray_append packages "${package}"
         done
-    elif checkyesno opt_mapped; then
+    fi
+    if checkyesno opt_mapped; then
         acookie="$(falist_cookie_first packagemapping)"
         while falist_tryget_key_at package "${acookie}"; do
-            _package_max_detail "${package}" "${packagemapping}" "${repositories}" "${indexfile}"
+            farray_append packages "${package}"
             acookie="$(falist_cookie_next "${acookie}")"
         done
-    else
-        for package in "$@"; do
+    fi
+    for package in "$@"; do
+        farray_append packages "${package}"
+    done
+    checkyesnovalue "${do_sort}" && farray_sort packages
+
+    idx=1
+    prev_package=''    # to skip duplicate packages
+    while farray_tryget package packages "${idx}"; do
+        if [ "${prev_package}" != "${package}" ]; then
             _package_max_detail "${package}" "${packagemapping}" "${repositories}" "${indexfile}"
-        done
-    fi
-
+            prev_package="${package}"
+        fi
+        idx=$((idx + 1))
+    done
+ 
     falist_release "${packagemapping}"
     farray_release "${repositories}"
+    farray_release "${packages}"
 }