zzz_main_fct.sh: splitted in 3 files, chroot.sh, command_line.sh and loaders.sh
This commit is contained in:
46
lib/chroot.sh
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46
lib/chroot.sh
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@@ -0,0 +1,46 @@
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# ------------------------------------------------------------------------------
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# Chroot system functions
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# This file is part of the init.sh project
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# Copyright (c) 2019-2021 Geoffray Levasseur <fatalerrors@geoffray-levasseur.org>
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# ------------------------------------------------------------------------------
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# This file is distributed under 3-clause BSD license.
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# The complete license agreement can be obtained at:
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# https://opensource.org/licenses/BSD-3-Clause
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# ------------------------------------------------------------------------------
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# ------------------------------------------------------------------------------
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# If chrooted, we need to bootstrap to a new copy of our directory tree
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chroot_bootstrap()
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{
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if [[ ! -d $CHROOT_PATH ]]; then
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prnt E "The path given to chroot don't exists."
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die 14
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fi
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if [[ ! -d $CHROOT_PATH/tmp ]]; then
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prnt E "The target filesystem doesn't seems to be a valid installation."
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die 15
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fi
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local tmpdir=$(mktemp -d $CHROOT_PATH/tmp/init.sh-XXXX)
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local bootstrap_items="conf lib modules repo bash.rc init.sh prepost.d"
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if [[ $RESUME == true ]]; then
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bootstrap_items="$bootstrap_items $STAGE_FILE"
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fi
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prnt I "Preparing root change."
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cp -av $bootstrap_items $tmpdir
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prnt I "Changing root and starting a fork of init.sh..."
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chroot $CHROOT_PATH /bin/bash -c 'CHROOT_DONE=true; $tmpdir/init.sh $@'
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# If stage file still exists we copy it to be able to resume later
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if [[ -e $tmpdir/$(basename $STAGE_FILE) ]]; then
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cp $tmpdir/$(basename $STAGE_FILE) $STAGE_FILE
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fi
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prnt I "Back to host system and clean up."
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rm -rf $tmpdir
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}
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@@ -142,133 +142,6 @@ read_commandline()
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export -f read_commandline
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# ------------------------------------------------------------------------------
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# If chrooted, we need to bootstrap to a new copy of our directory tree
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chroot_bootstrap()
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{
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if [[ ! -d $CHROOT_PATH ]]; then
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prnt E "The path given to chroot don't exists."
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die 14
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fi
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if [[ ! -d $CHROOT_PATH/tmp ]]; then
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prnt E "The target filesystem doesn't seems to be a valid installation."
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die 15
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fi
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local tmpdir=$(mktemp -d $CHROOT_PATH/tmp/init.sh-XXXX)
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local bootstrap_items="conf lib modules repo bash.rc init.sh prepost.d"
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if [[ $RESUME == true ]]; then
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bootstrap_items="$bootstrap_items $STAGE_FILE"
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fi
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prnt I "Preparing root change."
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cp -av $bootstrap_items $tmpdir
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prnt I "Changing root and starting a fork of init.sh..."
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chroot $CHROOT_PATH /bin/bash -c 'CHROOT_DONE=true; $tmpdir/init.sh $@'
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# If stage file still exists we copy it to be able to resume later
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if [[ -e $tmpdir/$(basename $STAGE_FILE) ]]; then
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cp $tmpdir/$(basename $STAGE_FILE) $STAGE_FILE
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fi
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prnt I "Back to host system and clean up."
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rm -rf $tmpdir
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}
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# ------------------------------------------------------------------------------
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# Automatically load system specific configuration if file exist in the
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# following order:
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# 1) auto/arch.conf.sh
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# 2) auto/distro.conf.sh
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# 3) auto/distro-arch.conf.sh
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# 4) auto/distro-version.conf.sh
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# 5) auto/distro-codename.conf.sh (if sys_code defined)
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# 6) auto/distro-version-arch.conf.sh
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# 7) auto/distro-codename-arch.conf.sh (if sys_code defined)
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load_autoconf()
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{
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local prefix="$MYPATH/conf/auto"
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if [[ -e $prefix/$SYS_ARCH.conf.sh ]]; then
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. $prefix/$SYS_ARCH.conf.sh
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fi
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if [[ -e $prefix/$SYS_DIST.conf.sh ]]; then
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. $prefix/$SYS_DIST.conf.sh
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fi
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if [[ -e $prefix/$SYS_DIST-$SYS_ARCH.conf.sh ]]; then
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. $prefix/$SYS_DIST-$SYS_ARCH.conf.sh
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fi
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if [[ -e $prefix/$SYS_DIST-$SYS_VER.conf.sh ]]; then
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. $prefix/$SYS_DIST-$SYS_VER.conf.sh
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fi
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if [[ -n $SYS_CODE && -e $prefix/$SYS_DIST-$SYS_CODE.conf.sh ]]; then
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. $prefix/$SYS_DIST-$SYS_CODE.conf.sh
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fi
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if [[ -e $prefix/$SYS_DIST-$SYS_VER-$SYS_ARCH.conf.sh ]]; then
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. $prefix/$SYS_DIST-$SYS_VER-$SYS_ARCH.conf.sh
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fi
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if [[ -n $SYS_CODE && -e $prefix/$SYS_DIST-$SYS_CODE-$SYS_ARCH.conf.sh ]]; then
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. $prefix/$SYS_DIST-$SYS_CODE-$SYS_ARCH.conf.sh
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fi
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unset prefix
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}
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export -f load_autoconf
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# ------------------------------------------------------------------------------
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# Load configuration with the following priorities:
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# 1) Those given on command line, if any
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# 2) <workingdir>/conf/<hostname>.conf (Hostname based and specific)
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# 3) <workingdir>/conf/init.conf.sh (Generic default)
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load_configuration()
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{
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if [[ -n $CONFFILES ]]; then
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local f=
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for f in $CONFFILES; do
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prnt I "Loading $f manually specified."
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if [[ -s $f ]]; then
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. $f
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else
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prnt E "The $f file doesn't exists or is empty."
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die 6 --force
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fi
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done
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unset f
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else
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prnt I "Loading configuration..."
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if [[ -e $MYPATH/conf/$HOSTNAME.conf.sh ]]; then
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prnt I "A specific configuration will be used."
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. $MYPATH/conf/$HOSTNAME.conf.sh
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else
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if [[ -e $MYPATH/conf/init.conf.sh ]]; then
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prnt I "A generic configuration will be used."
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. $MYPATH/conf/init.conf.sh
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else
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prnt E "No configuration found, impossible to continue."
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die 6 --force
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fi
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fi
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fi
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}
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export -f load_configuration
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# ------------------------------------------------------------------------------
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# Load pre and post actions for package manager
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load_prepost_actions()
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{
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local prepost=
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for prepost in $MYPATH/prepost.d/*.sh; do
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prnt I "Loading prepost actions in $prepost ..."
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. $prepost
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done
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unset prepost
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}
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export -f load_prepost_actions
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# ------------------------------------------------------------------------------
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# Do deeper command line analysis to detect unconsistancies
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process_commandline_and_vars()
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104
lib/loaders.sh
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104
lib/loaders.sh
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@@ -0,0 +1,104 @@
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# ------------------------------------------------------------------------------
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# Loaders for conf and prepost functions
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# This file is part of the init.sh project
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# Copyright (c) 2019-2021 Geoffray Levasseur <fatalerrors@geoffray-levasseur.org>
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# ------------------------------------------------------------------------------
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# This file is distributed under 3-clause BSD license.
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# The complete license agreement can be obtained at:
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# https://opensource.org/licenses/BSD-3-Clause
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# ------------------------------------------------------------------------------
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# ------------------------------------------------------------------------------
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# Automatically load system specific configuration if file exist in the
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# following order:
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# 1) auto/arch.conf.sh
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# 2) auto/distro.conf.sh
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# 3) auto/distro-arch.conf.sh
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# 4) auto/distro-version.conf.sh
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# 5) auto/distro-codename.conf.sh (if sys_code defined)
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# 6) auto/distro-version-arch.conf.sh
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# 7) auto/distro-codename-arch.conf.sh (if sys_code defined)
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load_autoconf()
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{
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local prefix="$MYPATH/conf/auto"
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if [[ -e $prefix/$SYS_ARCH.conf.sh ]]; then
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. $prefix/$SYS_ARCH.conf.sh
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fi
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if [[ -e $prefix/$SYS_DIST.conf.sh ]]; then
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. $prefix/$SYS_DIST.conf.sh
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fi
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if [[ -e $prefix/$SYS_DIST-$SYS_ARCH.conf.sh ]]; then
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. $prefix/$SYS_DIST-$SYS_ARCH.conf.sh
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fi
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if [[ -e $prefix/$SYS_DIST-$SYS_VER.conf.sh ]]; then
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. $prefix/$SYS_DIST-$SYS_VER.conf.sh
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fi
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if [[ -n $SYS_CODE && -e $prefix/$SYS_DIST-$SYS_CODE.conf.sh ]]; then
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. $prefix/$SYS_DIST-$SYS_CODE.conf.sh
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fi
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if [[ -e $prefix/$SYS_DIST-$SYS_VER-$SYS_ARCH.conf.sh ]]; then
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. $prefix/$SYS_DIST-$SYS_VER-$SYS_ARCH.conf.sh
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fi
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if [[ -n $SYS_CODE && -e $prefix/$SYS_DIST-$SYS_CODE-$SYS_ARCH.conf.sh ]]; then
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. $prefix/$SYS_DIST-$SYS_CODE-$SYS_ARCH.conf.sh
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fi
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unset prefix
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}
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export -f load_autoconf
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# ------------------------------------------------------------------------------
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# Load configuration with the following priorities:
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# 1) Those given on command line, if any
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# 2) <workingdir>/conf/<hostname>.conf (Hostname based and specific)
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# 3) <workingdir>/conf/init.conf.sh (Generic default)
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load_configuration()
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{
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if [[ -n $CONFFILES ]]; then
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local f=
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for f in $CONFFILES; do
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prnt I "Loading $f manually specified."
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if [[ -s $f ]]; then
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. $f
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else
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prnt E "The $f file doesn't exists or is empty."
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die 6 --force
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fi
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done
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unset f
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else
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prnt I "Loading configuration..."
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if [[ -e $MYPATH/conf/$HOSTNAME.conf.sh ]]; then
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prnt I "A specific configuration will be used."
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. $MYPATH/conf/$HOSTNAME.conf.sh
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else
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if [[ -e $MYPATH/conf/init.conf.sh ]]; then
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prnt I "A generic configuration will be used."
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. $MYPATH/conf/init.conf.sh
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else
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prnt E "No configuration found, impossible to continue."
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die 6 --force
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fi
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fi
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fi
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}
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export -f load_configuration
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# ------------------------------------------------------------------------------
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# Load pre and post actions for package manager
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load_prepost_actions()
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{
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local prepost=
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for prepost in $MYPATH/prepost.d/*.sh; do
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prnt I "Loading prepost actions in $prepost ..."
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. $prepost
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done
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unset prepost
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}
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export -f load_prepost_actions
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# EOF
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