Update 2025-01-08 08:15 OpenBSD/amd64-t14

.bin/lddcopy

@@ -0,0 +1,108 @@
+#!/bin/sh
+
+# FIXME: does not work with space in filenames or directories
+# (can be fixed by | while read ... the ldd output, but.. why?)
+# FIXME: directory permissions are not copied
+# (can be fixed with stat -f '%p %u %g' . and walk the path with mkdir -m ...)
+
+##
+## USAGE
+##
+
+_usage() {
+    echo "usage: mkchroot [-xn] [-u or executable] directory"
+    echo "options: -u    - runs for all executables found in /bin/ directories"
+    echo "         -x    - copy stuff required to connect to X"
+    echo "         -n    - copy stuff required for networking"
+}
+
+##
+## HANDLE ARGUMENTS
+##
+
+while getopts xnuh arg
+do
+        case $arg in
+        x)      _with_x=1 ;;        # creates /tmp with X connection
+        n)      _with_network=1 ;;  # copies resolv.conf
+        u)      _update_mode=1 ;;   # updates the existing directory
+        h)      _usage; exit 0 ;;
+        esac
+done
+shift $(($OPTIND - 1))
+
+if [ -z "$1" ] && [ -z "$_update_mode" ]
+then
+    _usage
+    exit 1
+fi
+
+if [ -z "$2" ] && [ -z "$_update_mode" ]
+then
+    _usage
+    exit 1
+fi
+
+if [ "$_update_mode" == "1" ]
+then
+    _indir="$1"
+else
+    _infile="$1"
+    _indir="$2"
+fi
+
+###
+### FUNCTIONS
+###
+
+_ldd_extract() {
+    for _file in $(ldd "$1" | awk '/\// { print $7 }' | xargs) 
+    do
+        _name="$(basename "$_file")"
+        _dir="$2/$(dirname "$_file" | cut -b2-)"
+        if [ ! -d "$_dir" ]
+        then
+            echo "mkdir: $_dir"
+            mkdir -p "$_dir"
+        fi
+        if [ ! -f "$_dir/$_name" ]
+        then
+            echo "copy: $_file -> $_dir/$_name"
+            cp -af "$_file" "$_dir/$_name"
+        else
+            echo "skip: $_file -> $_dir/$_name (existing)"
+        fi
+    done
+}
+
+_find_binfile() {
+    # remove basedir
+    _f=$(echo "$1" | sed "s|${1%%/*}||g")
+    _ofile="$(readlink -f "$_f" 2> /dev/null)"
+    echo $_ofile
+}
+
+###
+### MAIN PROGRAM
+###
+
+if [ -z "$_update_mode" ]
+then
+    _ldd_extract "$_infile" "$_indir"
+fi
+
+if [ "$_update_mode" == "1" ]
+then
+    _binfiles="$(find "$_indir" -type f -path "*/bin/*")"
+    for _binfile in $_binfiles
+    do
+        _infile=
+        _infile=$(_find_binfile "$_binfile")
+        if [ -z "$_infile" ]
+        then
+            echo "skip: $_binfile -> $_infile (not found)"
+        else
+            _ldd_extract "$_infile" "$_indir"
+        fi
+    done
+fi