1#!/bin/sh 2 3# NAME: 4# stage-install.sh - wrapper around install 5# 6# SYNOPSIS: 7# stage-install.sh [variable="value"] "args" "dest" 8# 9# DESCRIPTION: 10# This script is a wrapper around the normal install(1). 11# Its role is to add '.dirdep' files to the destination. 12# The variables we might use are: 13# 14# INSTALL 15# Path to actual install(1), default is 16# $REAL_INSTALL 17# 18# OBJDIR 19# Path to the dir where '.dirdep' was generated, 20# default is '.' 21# 22# _DIRDEP 23# Path to actual '.dirdep' file, default is 24# $OBJDIR/.dirdep 25# 26# The "args" and "dest" are passed as is to install(1), and if a 27# '.dirdep' file exists it will be linked or copied to each 28# "file".dirdep placed in "dest" or "dest".dirdep if it happed 29# to be a file rather than a directory. 30# 31# Before we run install(1), we check if "dest" needs to be a 32# directory (more than one file in "args") and create it 33# if necessary. 34# 35# SEE ALSO: 36# meta.stage.mk 37# 38 39# RCSid: 40# $Id: stage-install.sh,v 1.12 2025/08/09 22:42:24 sjg Exp $ 41# 42# SPDX-License-Identifier: BSD-2-Clause 43# 44# @(#) Copyright (c) 2013-2020, Simon J. Gerraty 45# 46# SPDX-License-Identifier: BSD-2-Clause 47# 48# Please send copies of changes and bug-fixes to: 49# sjg@crufty.net 50# 51 52INSTALL=${REAL_INSTALL:-install} 53OBJDIR=. 54 55while : 56do 57 case "$1" in 58 *=*) eval "$1"; shift;; 59 *) break;; 60 esac 61done 62 63# get last entry from "$@" without side effects 64last_entry() { 65 while [ $# -gt 8 ] 66 do 67 shift 8 68 done 69 eval last=\$$# 70 echo $last 71} 72 73# mkdir $dest if needed (more than one file) 74mkdir_if_needed() { 75 ( 76 lf= 77 while [ $# -gt 8 ] 78 do 79 shift 4 80 done 81 for f in "$@" 82 do 83 [ -f $f ] || continue 84 [ $f = $dest ] && continue 85 if [ -n "$lf" ]; then 86 # dest must be a directory 87 mkdir -p $dest 88 break 89 fi 90 lf=$f 91 done 92 ) 93} 94 95args="$@" 96dest=`last_entry "$@"` 97case " $args " in 98*" -d "*) ;; 99*) [ -e $dest ] || mkdir_if_needed "$@";; 100esac 101 102# if .dirdep doesn't exist, just run install and be done 103_DIRDEP=${_DIRDEP:-$OBJDIR/.dirdep} 104[ -s $_DIRDEP ] && EXEC= || EXEC=exec 105$EXEC $INSTALL "$@" || exit 1 106 107# from meta.stage.mk 108LnCp() { 109 rm -f $2 2> /dev/null 110 ln $1 $2 2> /dev/null || cp -p $1 $2 111} 112 113StageDirdep() { 114 t=$1 115 if [ -s $t.dirdep ]; then 116 cmp -s $_DIRDEP $t.dirdep && return 117 case "${STAGE_CONFLICT:-error}" in 118 [Ee]*) STAGE_CONFLICT=ERROR action=exit;; 119 *) STAGE_CONFLICT=WARNING action=: ;; 120 esac 121 echo "$STAGE_CONFLICT: $t installed by `cat $t.dirdep` not `cat $_DIRDEP`" >&2 122 $action 1 123 fi 124 LnCp $_DIRDEP $t.dirdep || exit 1 125} 126 127if [ -f $dest ]; then 128 # a file, there can be only one .dirdep needed 129 StageDirdep $dest 130elif [ -d $dest ]; then 131 for f in $args 132 do 133 test -f $f || continue 134 StageDirdep $dest/${f##*/} 135 done 136fi 137