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Diffstat (limited to 'contrib/bmake/mk/stage-install.sh')
-rwxr-xr-x | contrib/bmake/mk/stage-install.sh | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/contrib/bmake/mk/stage-install.sh b/contrib/bmake/mk/stage-install.sh new file mode 100755 index 000000000000..674652d1d482 --- /dev/null +++ b/contrib/bmake/mk/stage-install.sh @@ -0,0 +1,135 @@ +#!/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. +# +# Before we run install(1), we check if "dest" needs to be a +# directory (more than one file in "args") and create it +# if necessary. +# +# SEE ALSO: +# meta.stage.mk +# + +# RCSid: +# $Id: stage-install.sh,v 1.9 2020/08/28 01:04:13 sjg Exp $ +# +# @(#) Copyright (c) 2013-2020, 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 "$1"; shift;; + *) break;; + esac +done + +# get last entry from "$@" without side effects +last_entry() { + while [ $# -gt 8 ] + do + shift 8 + done + eval last=\$$# + echo $last +} + +# mkdir $dest if needed (more than one file) +mkdir_if_needed() { + ( + lf= + while [ $# -gt 8 ] + do + shift 4 + done + for f in "$@" + do + [ -f $f ] || continue + [ $f = $dest ] && continue + if [ -n "$lf" ]; then + # dest must be a directory + mkdir -p $dest + break + fi + lf=$f + done + ) +} + +args="$@" +dest=`last_entry "$@"` +case " $args " in +*" -d "*) ;; +*) [ -e $dest ] || mkdir_if_needed "$@";; +esac + +# 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 +} + +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 |