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-rwxr-xr-xmk/stage-install.sh98
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diff --git a/mk/stage-install.sh b/mk/stage-install.sh
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+#!/bin/sh
+
+# NAME:
+# stage-install.sh - wrapper around install
+#
+# SYNOPSIS:
+# stage-install.sh [variable="value"] "args" "dest"
+#
+# DESCRIPTION:
+# This script is a wrapper around the normal install(1).
+# Its role is to add '.dirdep' files to the destination.
+# The variables we might use are:
+#
+# INSTALL
+# Path to actual install(1), default is
+# $REAL_INSTALL
+#
+# OBJDIR
+# Path to the dir where '.dirdep' was generated,
+# default is '.'
+#
+# _DIRDEP
+# Path to actual '.dirdep' file, default is
+# $OBJDIR/.dirdep
+#
+# The "args" and "dest" are passed as is to install(1), and if a
+# '.dirdep' file exists it will be linked or copied to each
+# "file".dirdep placed in "dest" or "dest".dirdep if it happed
+# to be a file rather than a directory.
+#
+# SEE ALSO:
+# meta.stage.mk
+#
+
+# RCSid:
+# $Id: stage-install.sh,v 1.5 2013/04/19 16:32:24 sjg Exp $
+#
+# @(#) Copyright (c) 2013, Simon J. Gerraty
+#
+# This file is provided in the hope that it will
+# be of use. There is absolutely NO WARRANTY.
+# Permission to copy, redistribute or otherwise
+# use this file is hereby granted provided that
+# the above copyright notice and this notice are
+# left intact.
+#
+# Please send copies of changes and bug-fixes to:
+# sjg@crufty.net
+#
+
+INSTALL=${REAL_INSTALL:-install}
+OBJDIR=.
+
+while :
+do
+ case "$1" in
+ *=*) eval "$1"; shift;;
+ *) break;;
+ esac
+done
+
+# if .dirdep doesn't exist, just run install and be done
+_DIRDEP=${_DIRDEP:-$OBJDIR/.dirdep}
+[ -s $_DIRDEP ] && EXEC= || EXEC=exec
+$EXEC $INSTALL "$@" || exit 1
+
+# from meta.stage.mk
+LnCp() {
+ rm -f $2 2> /dev/null
+ ln $1 $2 2> /dev/null || cp -p $1 $2
+}
+
+StageDirdep() {
+ t=$1
+ if [ -s $t.dirdep ]; then
+ cmp -s $_DIRDEP $t.dirdep && return
+ echo "ERROR: $t installed by `cat $t.dirdep` not `cat $_DIRDEP`" >&2
+ exit 1
+ fi
+ LnCp $_DIRDEP $t.dirdep || exit 1
+}
+
+args="$@"
+while [ $# -gt 8 ]
+do
+ shift 8
+done
+eval dest=\$$#
+if [ -f $dest ]; then
+ # a file, there can be only one .dirdep needed
+ StageDirdep $dest
+elif [ -d $dest ]; then
+ for f in $args
+ do
+ test -f $f || continue
+ StageDirdep $dest/${f##*/}
+ done
+fi