475 lines
17 KiB
Bash
Executable file
475 lines
17 KiB
Bash
Executable file
#! /bin/sh
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# Copyright (c) The Exim Maintainters 2022 - 2023
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# SPDX-License-Identifier: GPL-2.0-or-later
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# Script to install Exim binaries in BIN_DIRECTORY, which is defined in
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# the local Makefile. It expects to be run in a build directory. It needs
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# to be run as root in order to make exim setuid to root. If exim runs setuid
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# to (e.g.) exim, this script should be run as that user or root.
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# This script also installs a default configuration file in CONFIGURE_FILE
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# if there is no configuration file there, but only if CONFIGURE_FILE specifies
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# single file. If it specifies a list, no action is taken.
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# If a default configuration file is installed, the existence of the system
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# aliases file is tested. A default, containing only comments, is installed if
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# necessary.
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# If INFO_DIRECTORY is defined in any of the local Makefiles, and the Exim doc
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# directory contains the Texinfo documentation, this script also installs a
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# the info files in INFO_DIRECTORY.
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# If DESTDIR is defined, all file paths are prefixed with ${DESTDIR}, with the
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# sole exception of the reference to the system aliases file in the default
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# configuration, because it is assumed that Exim is not actually going to be
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# run from this position. For backward compatibility, if DESTDIR is not
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# defined, ROOT is used instead.
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# The script can be made to output what it would do, without actually doing
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# anything, by giving it the option "-n" (cf make). Arguments are the names
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# of things to install. No arguments installs everything.
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do_chown=yes
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do_symlink=yes
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while [ $# -gt 0 ] ; do
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case "$1" in
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-n)
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real="true || "
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ver="verification "
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com=": "
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echo $com ""
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echo $com "*** Verification mode only: no commands will actually be obeyed"
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echo $com "*** You can cut and paste the bits you want to a shell, etc"
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echo $com ""
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echo cd `pwd`
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;;
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-no_chown)
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do_chown=no
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;;
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-no_symlink)
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do_symlink=no
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;;
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*)
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break
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;;
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esac
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shift
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done
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# Get the values of BIN_DIRECTORY, CONFIGURE_FILE, INFO_DIRECTORY, NO_SYMLINK,
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# SYSTEM_ALIASES_FILE, and EXE from the global Makefile (in the build
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# directory). EXE is empty except in the Cygwin environment. In each case, keep
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# the latest definition, thus respecting the Makefiles precedence. The sed
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# sequences here are messy, but have to be very "basic" in order to work on
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# Solaris, where the regular expressions in sed are primitive indeed. Modify at
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# your peril.
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BIN_DIRECTORY=`sed -n -e '/^ *BIN_DIRECTORY *=/{s/^[^=]*= *//; s/ \{1,\}#.*//;s/ *$//;h;}' -e '${g;p;}' Makefile`
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CONFIGURE_FILE=`sed -n -e '/^ *CONFIGURE_FILE *=/{s/^[^=]*= *//; s/ \{1,\}#.*//;s/ *$//;h;}' -e '${g;p;}' Makefile`
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INFO_DIRECTORY=`sed -n -e '/^ *INFO_DIRECTORY *=/{s/^[^=]*= *//; s/ \{1,\}#.*//;s/ *$//;h;}' -e '${g;p;}' Makefile`
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NO_SYMLINK=`sed -n -e '/^ *NO_SYMLINK *=/{s/^[^=]*= *//; s/ \{1,\}#.*//;s/ *$//;h;}' -e '${g;p;}' Makefile`
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CHOWN=`sed -n -e '/^ *CHOWN_COMMAND *=/{s/^[^=]*= *//; s/ \{1,\}#.*//;s/ *$//;h;}' -e '${g;p;}' Makefile`
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MV=`sed -n -e '/^ *MV_COMMAND *=/{s/^[^=]*= *//; s/ \{1,\}#.*//;s/ *$//;h;}' -e '${g;p;}' Makefile`
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SYSTEM_ALIASES_FILE=`sed -n -e '/^ *SYSTEM_ALIASES_FILE *=/{s/^[^=]*= *//; s/ \{1,\}#.*//;s/ *$//;h;}' -e '${g;p;}' Makefile`
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EXE=`sed -n -e '/^ *EXE *=/{s/^[^=]*= *//; s/ \{1,\}#.*//;s/ *$//;h;}' -e '${g;p;}' Makefile`
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# Set a default for SYSTEM_ALIASES_FILE
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if [ "${SYSTEM_ALIASES_FILE}" = "" ] ; then
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SYSTEM_ALIASES_FILE=/etc/aliases
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fi
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# Allow INST_xx to over-ride xx
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case "$INST_BIN_DIRECTORY" in ?*) BIN_DIRECTORY="$INST_BIN_DIRECTORY";; esac
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case "$INST_CONFIGURE_FILE" in ?*) CONFIGURE_FILE="$INST_CONFIGURE_FILE";; esac
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case "$INST_INFO_DIRECTORY" in ?*) INFO_DIRECTORY="$INST_INFO_DIRECTORY";; esac
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case "$INST_SYSTEM_ALIASES_FILE" in ?*) SYSTEM_ALIASES_FILE="$INST_SYSTEM_ALIASES_FILE";; esac
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case "$INST_CHOWN" in ?*) CHOWN="$INST_CHOWN";; esac
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case "$INST_MV" in ?*) MV="$INST_MV";; esac
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case "$INST_UID" in '') INST_UID=root;; *) INST_UID="$INST_UID";; esac
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case "$INST_CP" in '') CP=cp;; *) CP="$INST_CP";; esac
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case "$INST_LN" in '') LN=ln;; *) LN="$INST_LN";; esac
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case "$INST_CHMOD" in '') CHMOD=chmod;; *) CHMOD="$INST_CHMOD";; esac
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case "$INST_DIRNAME" in '') DIRNAME=dirname;; *) DIRNAME="$INST_DIRNAME";; esac
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case "$INST_MKDIR" in '') MKDIR=mkdir;; *) MKDIR="$INST_MKDIR";; esac
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# Allow the user to over-ride xx
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case "$inst_dest" in ?*) BIN_DIRECTORY="$inst_dest";; esac
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case "$inst_conf" in ?*) CONFIGURE_FILE="$inst_conf";; esac
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case "$inst_info" in ?*) INFO_DIRECTORY="$inst_info";; esac
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case "$inst_aliases" in ?*) SYSTEM_ALIASES_FILE="$inst_aliases";; esac
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# Insert ${DESTDIR} at the start of all paths so that the whole thing can be
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# installed under a different file root. For backwards compatibility, use
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# ${ROOT} if ${DESTDIR} is not set. However, we need to save the value of
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# the real system aliases file, and use that in the default configuration.
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ACTUAL_SYSTEM_ALIASES_FILE=${SYSTEM_ALIASES_FILE}
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DESTDIR=${DESTDIR:-${ROOT}}
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BIN_DIRECTORY=${DESTDIR}${BIN_DIRECTORY}
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CONFIGURE_FILE=${DESTDIR}${CONFIGURE_FILE}
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SYSTEM_ALIASES_FILE=${DESTDIR}${SYSTEM_ALIASES_FILE}
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if [ "${INFO_DIRECTORY}" != "" ] ; then
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INFO_DIRECTORY=${DESTDIR}${INFO_DIRECTORY}
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fi
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# Overrides of other things
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case "$inst_uid" in ?*) INST_UID="$inst_uid";; esac
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case "$inst_cp" in ?*) CP="$inst_cp";; esac
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case "$inst_mv" in ?*) MV="$inst_mv";; esac
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case "$inst_ln" in ?*) LN="$inst_ln";; esac
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case "$inst_chown" in ?*) CHOWN="$inst_chown";; esac
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case "$inst_chmod" in ?*) CHMOD="$inst_chmod";; esac
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case "$inst_dirname" in ?*) DIRNAME="$inst_dirname";; esac
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case "$inst_mkdir" in ?*) MKDIR="$inst_mkdir";; esac
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# chown is a special case; in at least one OS it is in /usr/etc instead
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# of in /usr/bin, and therefore not likely to be on the path. Another OS
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# has it in /usr/sbin. This fudge tries to cope with these variations.
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# Otherwise, and for other commands, we assume that the normal PATH will
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# give access to where they are on your operating system (normally /usr/bin
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# or /bin).
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if [ "${CHOWN}" = "chown" -a -x /usr/sbin/chown ] ; then
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CHOWN=/usr/sbin/chown
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fi
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if [ "${CHOWN}" = "chown" -a ! -f /usr/bin/chown -a -f /usr/etc/chown ] ; then
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CHOWN=/usr/etc/chown
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fi
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# The values of CHOWN and MV taken from the Makefile are sometimes set to
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# "look_for_it", which causes a search of the usual suspects. This code is
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# similar to that in exicyclog, but has to be fudged for upper/lower case
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# distinctions.
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for cmd in CHOWN MV ; do
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eval "oldcmd=\$$cmd"
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if [ "$oldcmd" != "look_for_it" ] ; then continue ; fi
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if [ "$cmd" = "CHOWN" ] ; then cmdlc="chown" ; fi
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if [ "$cmd" = "MV" ] ; then cmdlc="mv" ; fi
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newcmd=$cmdlc
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for dir in /bin /usr/bin /usr/sbin /usr/etc ; do
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if [ -f $dir/$cmdlc ] ; then
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newcmd=$dir/$cmdlc
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break
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fi
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done
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eval $cmd=$newcmd
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done
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# See if the exim monitor has been built
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if [ -f eximon -a -f eximon.bin ]; then
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exim_monitor="eximon eximon.bin"
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fi
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# If bin directory doesn't exist, try to create it
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if [ ! -d "${BIN_DIRECTORY}" ]; then
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echo mkdir -p ${BIN_DIRECTORY}
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${real} mkdir -p ${BIN_DIRECTORY}
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if [ $? -ne 0 ]; then
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echo $com ""
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echo $com "*** Exim installation ${ver}failed ***"
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exit 1
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else
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${real} echo $com ${BIN_DIRECTORY} created
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fi
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fi
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# If no arguments, install everything
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if [ $# -gt 0 ]; then
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set $@
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else
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set exim${EXE} ${exim_monitor} exim_dumpdb${EXE} exim_fixdb${EXE} \
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exim_tidydb${EXE} exinext exiwhat exim_dbmbuild${EXE} exicyclog \
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exigrep eximstats exipick exiqgrep exiqsumm exim_lock${EXE} \
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exim_checkaccess exim_msgdate exim_id_update
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fi
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echo $com ""
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echo $com Installation directory is ${BIN_DIRECTORY}
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echo $com ""
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while [ $# -gt 0 ]; do
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name=$1
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shift
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if [ ! -s ${name} ]; then
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echo $com ""
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echo $com "*** `pwd`/${name} does not exist or is empty"
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echo $com "*** Have you built Exim successfully?"
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echo $com "*** Exim installation ${ver}failed ***"
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exit 1
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fi
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# The exim binary is handled specially
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if [ $name = exim${EXE} ]; then
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exim="./exim -bV -C /dev/null"
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version=exim-`$exim 2>/dev/null | \
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awk '/Exim version/ { OFS=""; print $3,"-",substr($4,2,length($4)-1) }'`${EXE}
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if [ "${version}" = "exim-${EXE}" ]; then
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echo $com ""
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echo $com "*** Could not run $exim to find version number ***"
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echo $com "*** Exim installation ${ver}failed ***"
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$exim
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exit 1
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fi
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# Do something only if newer than existing file, or no existing file
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if ../scripts/newer ${name} ${BIN_DIRECTORY}/${version}; then
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echo ${CP} ${name} ${BIN_DIRECTORY}/${version}
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${real} ${CP} ${name} ${BIN_DIRECTORY}/${version}
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if [ $? -ne 0 ]; then
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echo $com ""
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echo $com "*** Exim installation ${ver}failed ***"
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exit 1
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fi
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# After copy, set ownership and permissions, unless disabled
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if [ "$do_chown" != "no" ]; then
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echo ${CHOWN} ${INST_UID} ${BIN_DIRECTORY}/${version}
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${real} ${CHOWN} ${INST_UID} ${BIN_DIRECTORY}/${version}
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if [ $? -ne 0 ]; then
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echo $com ""
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echo $com "*** You must be ${INST_UID} to install exim ***"
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exit 1
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fi
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echo ${CHMOD} a+x ${BIN_DIRECTORY}/${version}
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${real} ${CHMOD} a+x ${BIN_DIRECTORY}/${version}
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if [ $? -ne 0 ]; then
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echo $com ""
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echo $com "*** Exim installation ${ver}failed ***"
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exit 1
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fi
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echo ${CHMOD} u+s ${BIN_DIRECTORY}/${version}
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${real} ${CHMOD} u+s ${BIN_DIRECTORY}/${version}
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if [ $? -ne 0 ]; then
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echo $com ""
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echo $com "*** Exim installation ${ver}failed ***"
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exit 1
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fi
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else
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echo $com "$CHOWN $INST_UID omitted: -no_chown was specified"
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echo $com "$CHMOD u+s omitted: -no_chown was specified"
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fi
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# Now sort out the "exim" alias, unless NO_SYMLINK is set.
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if [ "X$NO_SYMLINK" = "X" ] && [ "$do_symlink" != "no" ] ; then
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# First check whether "exim" exists in the directory.
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if [ -f ${BIN_DIRECTORY}/exim ]; then
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# If it's not a symbolic link, make a copy with the old version number
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if [ `ls -l ${BIN_DIRECTORY}/exim | cut -c1-1` != 'l' ]; then
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oldversion=exim-`${BIN_DIRECTORY}/exim -bV -C /dev/null | \
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awk '/Exim version/ { OFS=""; print $3,"-",substr($4,2,length($4)-1) }'`${EXE}
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if [ "${version}" = "${oldversion}" ] ; then
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echo $com ""
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echo $com "*** Existing file called exim has the same version and compile number ***"
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echo $com "*** Exim installation ${ver}failed ***"
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exit 1
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fi
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echo ${CP} ${BIN_DIRECTORY}/exim ${BIN_DIRECTORY}/${oldversion}
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${real} ${CP} ${BIN_DIRECTORY}/exim ${BIN_DIRECTORY}/${oldversion}
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if [ $? -ne 0 ]; then
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echo $com ""
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echo $com "*** Exim installation ${ver}failed ***"
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exit 1
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fi
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fi
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# Now we can move the name "exim" to be a symbolic link to the new
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# version, atomically.
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echo \(cd ${BIN_DIRECTORY}\; ${LN} -s ${version} temporary_exim\)
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(${real} cd ${BIN_DIRECTORY}; ${real} ${LN} -s ${version} temporary_exim)
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if [ $? -ne 0 ]; then
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echo $com ""
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echo $com "*** Exim installation ${ver}failed ***"
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exit 1
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fi
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echo ${MV} -f ${BIN_DIRECTORY}/temporary_exim ${BIN_DIRECTORY}/exim
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${real} ${MV} -f ${BIN_DIRECTORY}/temporary_exim ${BIN_DIRECTORY}/exim
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if [ $? -ne 0 ]; then
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echo $com ""
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echo $com "*** Exim installation ${ver}failed ***"
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exit 1
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fi
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# If "exim" does not already exist just create a symbolic link.
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else
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echo \(cd ${BIN_DIRECTORY}\; ${LN} -s ${version} exim\)
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(${real} cd ${BIN_DIRECTORY}; ${real} ${LN} -s ${version} exim)
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if [ $? -ne 0 ]; then
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echo $com ""
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echo $com "*** Exim installation ${ver}failed ***"
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exit 1
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fi
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fi
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else
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echo $com "creation of symlink omitted"
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if [ "X$NO_SYMLINK" != "X" ] ; then
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echo $com "(NO_SYMLINK is specified in Local/Makefile)"
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else
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echo $com "(-no_symlink was specified)"
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fi
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fi
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# New binary is not newer than the installed file
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else
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echo $com ${name} is not newer than ${BIN_DIRECTORY}/${version}
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fi
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# Handle everything other than the exim binary itself
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else
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if ../scripts/newer ${name} ${BIN_DIRECTORY}/${name}; then
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if [ -f ${BIN_DIRECTORY}/${name} ]; then
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echo ${CP} ${BIN_DIRECTORY}/${name} ${BIN_DIRECTORY}/${name}.O
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${real} ${CP} ${BIN_DIRECTORY}/${name} ${BIN_DIRECTORY}/${name}.O
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if [ $? -ne 0 ]; then
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echo $com ""
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echo $com "*** Exim installation ${ver}failed ***"
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exit 1
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fi
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fi
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echo ${CP} ${name} ${BIN_DIRECTORY}
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${real} ${CP} ${name} ${BIN_DIRECTORY}
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if [ $? -ne 0 ]; then
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echo $com ""
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echo $com "*** Exim installation ${ver}failed ***"
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exit 1
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fi
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else
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echo $com ${name} is not newer than ${BIN_DIRECTORY}/${name}
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fi
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fi
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done
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# If there is no configuration file, install the default, modifying it to refer
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# to the configured system aliases file. If there is no setting for
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# SYSTEM_ALIASES_FILE, use the traditional /etc/aliases. If the file does not
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# exist, install a default (dummy) for that too.
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# However, if CONFIGURE_FILE specifies a list of files, skip this code.
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echo $com ""
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if [ `expr -- "${CONFIGURE_FILE}" : ".*:"` -ne 0 ] ; then
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echo $com Runtime configuration is specified as the following list:
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echo $com ' ' ${CONFIGURE_FILE}
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echo $com Therefore, skipping automatic installation.
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elif [ ! -f ${CONFIGURE_FILE} ]; then
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echo $com Installing default configuration in ${CONFIGURE_FILE}
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echo $com because there is no existing configuration file.
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if [ "${SYSTEM_ALIASES_FILE}" = "" ] ; then
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SYSTEM_ALIASES_FILE=/etc/aliases
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echo $com This configuration has system aliases in ${SYSTEM_ALIASES_FILE}.
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fi
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echo ${MKDIR} -p `${DIRNAME} ${CONFIGURE_FILE}`
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${real} ${MKDIR} -p `${DIRNAME} ${CONFIGURE_FILE}`
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echo sed -e '\\'
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echo " \"/SYSTEM_ALIASES_FILE/ s'SYSTEM_ALIASES_FILE'${ACTUAL_SYSTEM_ALIASES_FILE}'\"" '\\'
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echo " ../src/configure.default > \${CONFIGURE_FILE}"
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# I can't find a way of writing this using the ${real} feature because
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# it seems that the output redirection always happens, even when -n was
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# specified. So control it the hard way.
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if [ "$real" = "" ] ; then
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sed -e \
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"/SYSTEM_ALIASES_FILE/ s'SYSTEM_ALIASES_FILE'${ACTUAL_SYSTEM_ALIASES_FILE}'" \
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../src/configure.default > ${CONFIGURE_FILE}
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else
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true
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fi
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if [ $? -ne 0 ]; then
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echo $com ""
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echo $com "*** Exim installation ${ver}failed ***"
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exit 1
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fi
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if [ ! -f ${SYSTEM_ALIASES_FILE} ]; then
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echo $com '****'
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echo $com Installing a dummy ${SYSTEM_ALIASES_FILE} file because you do not have
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echo $com one, and the default configuration requires it. You should
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echo $com edit ${SYSTEM_ALIASES_FILE} and at least create an alias for postmaster.
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echo $com '***'
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echo ${CP} ../src/aliases.default ${SYSTEM_ALIASES_FILE}
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${real} ${CP} ../src/aliases.default ${SYSTEM_ALIASES_FILE}
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fi
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else
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echo $com Configuration file ${CONFIGURE_FILE} already exists
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fi
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# Install info files if the directory is defined and the Texinfo
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# source documentation is present.
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if [ "${INFO_DIRECTORY}" != "" -a -f ../doc/spec.texinfo ] ; then
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echo $com ""
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if [ ! -d "${INFO_DIRECTORY}" ] ; then
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echo mkdir -p ${INFO_DIRECTORY}
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${real} mkdir -p ${INFO_DIRECTORY}
|
|
if [ $? -ne 0 ]; then
|
|
echo $com ""
|
|
echo $com "*** Exim installation ${ver}failed ***"
|
|
exit 1
|
|
else
|
|
echo $com ${INFO_DIRECTORY} created
|
|
fi
|
|
fi
|
|
|
|
echo $com Info installation directory is ${INFO_DIRECTORY}
|
|
echo $com ""
|
|
|
|
${real} makeinfo --no-split --output exim.info ../doc/spec.texinfo
|
|
echo ${CP} exim.info ${INFO_DIRECTORY}
|
|
${real} ${CP} exim.info ${INFO_DIRECTORY}
|
|
${real} install-info --section="Exim" \
|
|
--entry "* User guide: (exim). Exim manual" \
|
|
${INFO_DIRECTORY}/exim.info ${INFO_DIRECTORY}/dir
|
|
${real} makeinfo --no-split --output exim_filter.info ../doc/filter.texinfo
|
|
echo ${CP} exim_filter.info ${INFO_DIRECTORY}
|
|
${real} ${CP} exim_filter.info ${INFO_DIRECTORY}
|
|
${real} install-info --section="Exim" \
|
|
--entry "* Filtering: (exim_filter). Filtering mail with Exim" \
|
|
${INFO_DIRECTORY}/exim_filter.info ${INFO_DIRECTORY}/dir
|
|
fi
|
|
|
|
# Everything OK
|
|
|
|
echo $com ""
|
|
echo $com Exim installation ${ver}complete
|
|
|
|
# End of exim_install
|