+ # Remember LC_ALL.
+ lc_all=$LC_ALL
+ # Turn it off to set case-sensitive matching
+ LC_ALL=C
+
+ # Force these to come before everything else.
+ required="OS.bashrc
+PATH.bashrc
+BECOME.bashrc"
+
+ # Remember PATH so we can mangle it to find tsort and sed.
+ path="$PATH"
+ PATH=/usr/bin:/bin:/usr/ccs/bin
+
+ # Sort all scripts by dependencies.
+ profile_d=${PROFILE_HOME:-~}/.profile.d
+ deps=
+ unsorted=
+ for i in $profile_d/{*/,}*.bashrc; do
+ dep=$(sed -n 's/^##*[ ]*profile-required:[ ]*//p' "$i")
+ i="${i##$profile_d/}"
+ if [ -n "$dep" ]; then
+ for d in $dep; do
+ deps="$deps
+$d $i"
+ done
+ else
+ unsorted="$unsorted
+$i"
+ fi
+ done
+
+ deps="$deps$unsorted"
+
+ # Avoid odd number of tokens for tsort.
+ n=$(echo "$deps" | wc -w)
+ if [ $((n%2)) = 1 ]; then
+ deps="$deps
+${deps##*
+}"
+ fi
+ sorted=$(echo "$deps" | tsort)
+ if [ -n "$sorted" ]; then
+ deps="$sorted"
+ unset sorted
+ fi
+ deps="$required
+$deps"
+
+ # Restore PATH.
+ PATH="$path"
+
+ # Source them all in the right order.
+ sourced=
+ for i in $deps; do
+ for j in $profile_d/{,*/}$i; do
+ [ -e "$j" ] || continue
+ k="${j##$profile_d/}"
+ [ "${sourced/ $k /}" = "$sourced" ] || continue
+ . "$j"
+ sourced="$sourced $k "
+ break
+ done
+ done
+
+ # Maybe turn nocaseglob back on.
+ [ $nocg = 0 ] && shopt -s nocaseglob
+ # Maybe turn nullglob back off.
+ [ $nullglob = 0 ] || shopt -u nullglob
+
+ # Reset LC_ALL.
+ LC_ALL=$lc_all
+
+ unset i j k d n dep deps profile_d path required unsorted sourced
+ unset lc_all nullglob nocg
+
+ # Don't inherit failure from the last script.
+ true