buildpkg: reduce shared conf overhead with makepkg.conf

buildiso+buildpkg: reduce shared conf overhead with pacman-mirrirs.conf
This commit is contained in:
udeved 2016-06-09 08:12:24 +02:00
parent 07818d7d6a
commit 9c8c05b852
12 changed files with 64 additions and 510 deletions

View file

@ -23,10 +23,7 @@ LIBS_BASE = \
SHARED_BASE = \
data/pacman-default.conf \
data/pacman-multilib.conf \
data/pacman-mirrors-stable.conf \
data/pacman-mirrors-testing.conf \
data/pacman-mirrors-unstable.conf \
data/pacman-arm.conf
data/pacman-mirrors.conf
SETS_PKG = \
data/pkg.d/default.set
@ -46,10 +43,8 @@ LIBS_PKG = \
lib/util-pkgtree.sh
SHARED_PKG = \
data/makepkg-i686.conf \
data/base-devel-udev \
data/makepkg-x86_64.conf \
data/makepkg-arm.conf
data/makepkg.conf \
data/base-devel-udev
SETS_ISO = \
data/iso.d/default.set \

View file

@ -175,7 +175,7 @@ timer_start=$(get_timer)
[[ "${target_arch}" == 'x86_64' ]] && pacman_conf_arch='multilib'
mirrors_conf="${DATADIR}/pacman-mirrors-${target_branch}.conf"
mirrors_conf=$(get_pac_mirrors_conf "${target_branch}")
check_root "$0" "${orig_argv[@]}"

View file

@ -87,6 +87,7 @@ pretend=false
is_buildset=false
sign=false
udev_root=false
is_multilib=false
usage() {
echo "Usage: ${0##*/} [options]"
@ -130,7 +131,9 @@ while getopts "${opts}" arg; do
esac
done
configure_chroot_arch "${target_arch}"
prepare_conf "${target_arch}"
mirrors_conf=$(get_pac_mirrors_conf "${target_branch}")
mkchroot_args+=(-C ${pacman_conf} -M ${makepkg_conf} -S ${mirrors_conf} -B "${build_mirror}/${target_branch}")

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@ -1,148 +0,0 @@
#
# /etc/makepkg.conf
#
#########################################################################
# SOURCE ACQUISITION
#########################################################################
#
#-- The download utilities that makepkg should use to acquire sources
# Format: 'protocol::agent'
DLAGENTS=('ftp::/usr/bin/curl -fC - --ftp-pasv --retry 3 --retry-delay 3 -o %o %u'
'http::/usr/bin/curl -fLC - --retry 3 --retry-delay 3 -o %o %u'
'https::/usr/bin/curl -fLC - --retry 3 --retry-delay 3 -o %o %u'
'rsync::/usr/bin/rsync --no-motd -z %u %o'
'scp::/usr/bin/scp -C %u %o')
# Other common tools:
# /usr/bin/snarf
# /usr/bin/lftpget -c
# /usr/bin/wget
#-- The package required by makepkg to download VCS sources
# Format: 'protocol::package'
VCSCLIENTS=('bzr::bzr'
'git::git'
'hg::mercurial'
'svn::subversion')
#########################################################################
# ARCHITECTURE, COMPILE FLAGS
#########################################################################
#
CARCH="i686"
CHOST="i686-pc-linux-gnu"
#-- Compiler and Linker Flags
# -march (or -mcpu) builds exclusively for an architecture
# -mtune optimizes for an architecture, but builds for whole processor family
CPPFLAGS="-D_FORTIFY_SOURCE=2"
CFLAGS="-march=i686 -mtune=generic -O2 -pipe -fstack-protector-strong"
CXXFLAGS="-march=i686 -mtune=generic -O2 -pipe -fstack-protector-strong"
LDFLAGS="-Wl,-O1,--sort-common,--as-needed,-z,relro"
#-- Make Flags: change this for DistCC/SMP systems
#MAKEFLAGS="-j2"
#-- Debugging flags
DEBUG_CFLAGS="-g -fvar-tracking-assignments"
DEBUG_CXXFLAGS="-g -fvar-tracking-assignments"
#########################################################################
# BUILD ENVIRONMENT
#########################################################################
#
# Defaults: BUILDENV=(fakeroot !distcc color !ccache check !sign)
# A negated environment option will do the opposite of the comments below.
#
#-- fakeroot: Allow building packages as a non-root user
#-- distcc: Use the Distributed C/C++/ObjC compiler
#-- color: Colorize output messages
#-- ccache: Use ccache to cache compilation
#-- check: Run the check() function if present in the PKGBUILD
#-- sign: Generate PGP signature file
#
BUILDENV=(!distcc color !ccache check !sign)
#
#-- If using DistCC, your MAKEFLAGS will also need modification. In addition,
#-- specify a space-delimited list of hosts running in the DistCC cluster.
#DISTCC_HOSTS=""
#
#-- Specify a directory for package building.
#BUILDDIR=/tmp/makepkg
#########################################################################
# GLOBAL PACKAGE OPTIONS
# These are default values for the options=() settings
#########################################################################
#
# Default: OPTIONS=(strip docs !libtool !staticlibs emptydirs zipman purge !optipng !upx !debug)
# A negated option will do the opposite of the comments below.
#
#-- strip: Strip symbols from binaries/libraries
#-- docs: Save doc directories specified by DOC_DIRS
#-- libtool: Leave libtool (.la) files in packages
#-- staticlibs: Leave static library (.a) files in packages
#-- emptydirs: Leave empty directories in packages
#-- zipman: Compress manual (man and info) pages in MAN_DIRS with gzip
#-- purge: Remove files specified by PURGE_TARGETS
#-- upx: Compress binary executable files using UPX
#-- debug: Add debugging flags as specified in DEBUG_* variables
#
OPTIONS=(strip docs !libtool !staticlibs emptydirs zipman purge !optipng !upx !debug)
#-- File integrity checks to use. Valid: md5, sha1, sha256, sha384, sha512
INTEGRITY_CHECK=(md5)
#-- Options to be used when stripping binaries. See `man strip' for details.
STRIP_BINARIES="--strip-all"
#-- Options to be used when stripping shared libraries. See `man strip' for details.
STRIP_SHARED="--strip-unneeded"
#-- Options to be used when stripping static libraries. See `man strip' for details.
STRIP_STATIC="--strip-debug"
#-- Manual (man and info) directories to compress (if zipman is specified)
MAN_DIRS=({usr{,/local}{,/share},opt/*}/{man,info})
#-- Doc directories to remove (if !docs is specified)
DOC_DIRS=(usr/{,local/}{,share/}{doc,gtk-doc} opt/*/{doc,gtk-doc})
#-- Files to be removed from all packages (if purge is specified)
PURGE_TARGETS=(usr/{,share}/info/dir .packlist *.pod)
#########################################################################
# PACKAGE OUTPUT
#########################################################################
#
# Default: put built package and cached source in build directory
#
#-- Destination: specify a fixed directory where all packages will be placed
#PKGDEST=/home/packages
#-- Source cache: specify a fixed directory where source files will be cached
#SRCDEST=/home/sources
#-- Source packages: specify a fixed directory where all src packages will be placed
#SRCPKGDEST=/home/srcpackages
#-- Log files: specify a fixed directory where all log files will be placed
#LOGDEST=/home/makepkglogs
#-- Packager: name/email of the person or organization building packages
#PACKAGER="John Doe <john@doe.com>"
#-- Specify a key to use for package signing
#GPGKEY=""
#########################################################################
# COMPRESSION DEFAULTS
#########################################################################
#
COMPRESSGZ=(gzip -c -f -n)
COMPRESSBZ2=(bzip2 -c -f)
COMPRESSXZ=(xz -c -z -)
COMPRESSLRZ=(lrzip -q)
COMPRESSLZO=(lzop -q)
COMPRESSZ=(compress -c -f)
#########################################################################
# EXTENSION DEFAULTS
#########################################################################
#
# WARNING: Do NOT modify these variables unless you know what you are
# doing.
#
PKGEXT='.pkg.tar.xz'
SRCEXT='.src.tar.gz'
# vim: set ft=sh ts=2 sw=2 et:

View file

@ -1,147 +0,0 @@
#
# /etc/makepkg.conf
#
#########################################################################
# SOURCE ACQUISITION
#########################################################################
#
#-- The download utilities that makepkg should use to acquire sources
# Format: 'protocol::agent'
DLAGENTS=('ftp::/usr/bin/curl -fC - --ftp-pasv --retry 3 --retry-delay 3 -o %o %u'
'http::/usr/bin/curl -fLC - --retry 3 --retry-delay 3 -o %o %u'
'https::/usr/bin/curl -fLC - --retry 3 --retry-delay 3 -o %o %u'
'rsync::/usr/bin/rsync --no-motd -z %u %o'
'scp::/usr/bin/scp -C %u %o')
# Other common tools:
# /usr/bin/snarf
# /usr/bin/lftpget -c
# /usr/bin/wget
#-- The package required by makepkg to download VCS sources
# Format: 'protocol::package'
VCSCLIENTS=('bzr::bzr'
'git::git'
'hg::mercurial'
'svn::subversion')
#########################################################################
# ARCHITECTURE, COMPILE FLAGS
#########################################################################
#
CARCH="x86_64"
CHOST="x86_64-pc-linux-gnu"
#-- Compiler and Linker Flags
# -march (or -mcpu) builds exclusively for an architecture
# -mtune optimizes for an architecture, but builds for whole processor family
CPPFLAGS="-D_FORTIFY_SOURCE=2"
CFLAGS="-march=x86-64 -mtune=generic -O2 -pipe -fstack-protector-strong"
CXXFLAGS="-march=x86-64 -mtune=generic -O2 -pipe -fstack-protector-strong"
LDFLAGS="-Wl,-O1,--sort-common,--as-needed,-z,relro"
#-- Make Flags: change this for DistCC/SMP systems
#MAKEFLAGS="-j2"
#-- Debugging flags
DEBUG_CFLAGS="-g -fvar-tracking-assignments"
DEBUG_CXXFLAGS="-g -fvar-tracking-assignments"
#########################################################################
# BUILD ENVIRONMENT
#########################################################################
#
# Defaults: BUILDENV=(fakeroot !distcc color !ccache check !sign)
# A negated environment option will do the opposite of the comments below.
#
#-- fakeroot: Allow building packages as a non-root user
#-- distcc: Use the Distributed C/C++/ObjC compiler
#-- color: Colorize output messages
#-- ccache: Use ccache to cache compilation
#-- check: Run the check() function if present in the PKGBUILD
#-- sign: Generate PGP signature file
#
BUILDENV=(!distcc color !ccache check !sign)
#
#-- If using DistCC, your MAKEFLAGS will also need modification. In addition,
#-- specify a space-delimited list of hosts running in the DistCC cluster.
#DISTCC_HOSTS=""
#
#-- Specify a directory for package building.
#BUILDDIR=/tmp/makepkg
#########################################################################
# GLOBAL PACKAGE OPTIONS
# These are default values for the options=() settings
#########################################################################
#
# Default: OPTIONS=(strip docs !libtool !staticlibs emptydirs zipman purge !optipng !upx !debug)
# A negated option will do the opposite of the comments below.
#
#-- strip: Strip symbols from binaries/libraries
#-- docs: Save doc directories specified by DOC_DIRS
#-- libtool: Leave libtool (.la) files in packages
#-- staticlibs: Leave static library (.a) files in packages
#-- emptydirs: Leave empty directories in packages
#-- zipman: Compress manual (man and info) pages in MAN_DIRS with gzip
#-- purge: Remove files specified by PURGE_TARGETS
#-- upx: Compress binary executable files using UPX
#-- debug: Add debugging flags as specified in DEBUG_* variables
#
OPTIONS=(strip docs !libtool !staticlibs emptydirs zipman purge !optipng !upx !debug)
#-- File integrity checks to use. Valid: md5, sha1, sha256, sha384, sha512
INTEGRITY_CHECK=(md5)
#-- Options to be used when stripping binaries. See `man strip' for details.
STRIP_BINARIES="--strip-all"
#-- Options to be used when stripping shared libraries. See `man strip' for details.
STRIP_SHARED="--strip-unneeded"
#-- Options to be used when stripping static libraries. See `man strip' for details.
STRIP_STATIC="--strip-debug"
#-- Manual (man and info) directories to compress (if zipman is specified)
MAN_DIRS=({usr{,/local}{,/share},opt/*}/{man,info})
#-- Doc directories to remove (if !docs is specified)
DOC_DIRS=(usr/{,local/}{,share/}{doc,gtk-doc} opt/*/{doc,gtk-doc})
#-- Files to be removed from all packages (if purge is specified)
PURGE_TARGETS=(usr/{,share}/info/dir .packlist *.pod)
#########################################################################
# PACKAGE OUTPUT
#########################################################################
#
# Default: put built package and cached source in build directory
#
#-- Destination: specify a fixed directory where all packages will be placed
#PKGDEST=/home/packages
#-- Source cache: specify a fixed directory where source files will be cached
#SRCDEST=/home/sources
#-- Source packages: specify a fixed directory where all src packages will be placed
#SRCPKGDEST=/home/srcpackages
#-- Log files: specify a fixed directory where all log files will be placed
#LOGDEST=/home/makepkglogs
#-- Packager: name/email of the person or organization building packages
#PACKAGER="John Doe <john@doe.com>"
#-- Specify a key to use for package signing
#GPGKEY=""
#########################################################################
# COMPRESSION DEFAULTS
#########################################################################
#
COMPRESSGZ=(gzip -c -f -n)
COMPRESSBZ2=(bzip2 -c -f)
COMPRESSXZ=(xz -c -z -)
COMPRESSLRZ=(lrzip -q)
COMPRESSLZO=(lzop -q)
COMPRESSZ=(compress -c -f)
#########################################################################
# EXTENSION DEFAULTS
#########################################################################
#
# WARNING: Do NOT modify these variables unless you know what you are
# doing.
#
PKGEXT='.pkg.tar.xz'
SRCEXT='.src.tar.gz'
# vim: set ft=sh ts=2 sw=2 et:

View file

@ -37,8 +37,8 @@ CHOST="@CHOST@"
# -march (or -mcpu) builds exclusively for an architecture
# -mtune optimizes for an architecture, but builds for whole processor family
CPPFLAGS="-D_FORTIFY_SOURCE=2"
CFLAGS="@CARCHFLAGS@-O2 -pipe -fstack-protector --param=ssp-buffer-size=4"
CXXFLAGS="@CARCHFLAGS@-O2 -pipe -fstack-protector --param=ssp-buffer-size=4"
CFLAGS="@CARCHFLAGS@"
CXXFLAGS="@CARCHFLAGS@"
LDFLAGS="-Wl,-O1,--sort-common,--as-needed,-z,relro"
#-- Make Flags: change this for DistCC/SMP systems
#MAKEFLAGS="-j2"

View file

@ -1,92 +0,0 @@
#
# /etc/pacman.conf
#
# See the pacman.conf(5) manpage for option and repository directives
#
# GENERAL OPTIONS
#
[options]
# The following paths are commented out with their default values listed.
# If you wish to use different paths, uncomment and update the paths.
#RootDir = /
#DBPath = /var/lib/pacman/
#CacheDir = /var/cache/pacman/pkg/
#LogFile = /var/log/pacman.log
#GPGDir = /etc/pacman.d/gnupg/
#HookDir = /etc/pacman.d/hooks/
HoldPkg = pacman glibc
# If upgrades are available for these packages they will be asked for first
SyncFirst = manjaro-system archlinux-keyring manjaro-keyring
#XferCommand = /usr/bin/curl -C - -f %u > %o
#XferCommand = /usr/bin/wget --passive-ftp -c -O %o %u
#CleanMethod = KeepInstalled
#UseDelta = 0.7
Architecture = @CARCH@
# Pacman won't upgrade packages listed in IgnorePkg and members of IgnoreGroup
#IgnorePkg =
#IgnoreGroup =
#NoUpgrade =
#NoExtract =
# Misc options
#UseSyslog
#Color
#TotalDownload
# We cannot check disk space from within a chroot environment
#CheckSpace
#VerbosePkgLists
# By default, pacman accepts packages signed by keys that its local keyring
# trusts (see pacman-key and its man page), as well as unsigned packages.
SigLevel = Required DatabaseOptional
LocalFileSigLevel = Optional
#RemoteFileSigLevel = Required
# NOTE: You must run `pacman-key --init` before first using pacman; the local
# keyring can then be populated with the keys of all official Manjaro Linux
# packagers with `pacman-key --populate archlinux manjaro`.
#
# REPOSITORIES
# - can be defined here or included from another file
# - pacman will search repositories in the order defined here
# - local/custom mirrors can be added here or in separate files
# - repositories listed first will take precedence when packages
# have identical names, regardless of version number
# - URLs will have $repo replaced by the name of the current repo
# - URLs will have $arch replaced by the name of the architecture
#
# Repository entries are of the format:
# [repo-name]
# Server = ServerName
# Include = IncludePath
#
# The header [repo-name] is crucial - it must be present and
# uncommented to enable the repo.
#
# The testing repositories are disabled by default. To enable, uncomment the
# repo name header and Include lines. You can add preferred servers immediately
# after the header, and they will be used before the default mirrors.
[core]
SigLevel = PackageRequired
Include = /etc/pacman.d/mirrorlist
[extra]
SigLevel = PackageRequired
Include = /etc/pacman.d/mirrorlist
[community]
SigLevel = PackageRequired
Include = /etc/pacman.d/mirrorlist
# An example of a custom package repository. See the pacman manpage for
# tips on creating your own repositories.
#[custom]
#SigLevel = Optional TrustAll
#Server = file:///home/custompkgs

View file

@ -1,28 +0,0 @@
##
## /etc/pacman-mirrors.conf
##
## Branch Pacman should use (stable, testing, unstable)
Branch = testing
## Generation method
## 1) rank - rank mirrors depending on their access time
## 2) random - randomly generate the output mirrorlist
# Method = rank
## Specify to use only mirrors from specific a country.
## Can add multiple countries separated by a comma (ex: Germany,France)
## Empty means all
# OnlyCountry =
## Mirrors directory
# MirrorlistsDir = /etc/pacman.d/mirrors
## Output file
# OutputMirrorlist = /etc/pacman.d/mirrorlist
## When set to True prevents the regeneration of the mirrorlist if
## pacman-mirrors is invoked with the --no-update argument.
## Useful if you don't want the mirrorlist regenerated after a
## pacman-mirrors package upgrade.
# NoUpdate = False

View file

@ -1,28 +0,0 @@
##
## /etc/pacman-mirrors.conf
##
## Branch Pacman should use (stable, testing, unstable)
Branch = unstable
## Generation method
## 1) rank - rank mirrors depending on their access time
## 2) random - randomly generate the output mirrorlist
# Method = rank
## Specify to use only mirrors from specific a country.
## Can add multiple countries separated by a comma (ex: Germany,France)
## Empty means all
# OnlyCountry =
## Mirrors directory
# MirrorlistsDir = /etc/pacman.d/mirrors
## Output file
# OutputMirrorlist = /etc/pacman.d/mirrorlist
## When set to True prevents the regeneration of the mirrorlist if
## pacman-mirrors is invoked with the --no-update argument.
## Useful if you don't want the mirrorlist regenerated after a
## pacman-mirrors package upgrade.
# NoUpdate = False

View file

@ -9,82 +9,71 @@
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
preconf_arm(){
local conf_dir=/tmp tarch="$1" desc="$2" flags="$3"
cp "${DATADIR}/pacman-arm.conf" "$conf_dir/pacman-$tarch.conf"
cp "${DATADIR}/makepkg-arm.conf" "$conf_dir/makepkg-$tarch.conf"
sed -i "$conf_dir/makepkg-$tarch.conf" \
-e "s|@CARCH[@]|$tarch|g" \
-e "s|@CHOST[@]|$desc|g" \
-e "s|@CARCHFLAGS[@]|$flags|g"
sed -i "$conf_dir/pacman-$tarch.conf" -e "s|@CARCH[@]|$tarch|g"
get_makepkg_conf(){
local conf_dir=/tmp conf
conf="$conf_dir/makepkg-$1.conf"
work_dir="${chroots_pkg}/${target_branch}/$tarch"
pkg_dir="${cache_dir_pkg}/${target_branch}/$tarch"
cp "${DATADIR}/makepkg.conf" "$conf"
makepkg_conf="$conf_dir/makepkg-$tarch.conf"
pacman_conf="$conf_dir/pacman-$tarch.conf"
}
sed -i "$conf" \
-e "s|@CARCH[@]|$2|g" \
-e "s|@CHOST[@]|$3|g" \
-e "s|@CARCHFLAGS[@]|$4|g"
preconf(){
local arch="$1"
work_dir="${chroots_pkg}/${target_branch}/${target_arch}"
pkg_dir="${cache_dir_pkg}/${target_branch}/${target_arch}"
if [[ "$arch" == 'multilib' ]];then
target_arch='x86_64'
is_multilib=true
else
is_multilib=false
fi
makepkg_conf="${DATADIR}/makepkg-${target_arch}.conf"
pacman_conf="${DATADIR}/pacman-$arch.conf"
echo "$conf"
}
# $1: target_arch
configure_chroot_arch(){
prepare_conf(){
if ! is_valid_arch_pkg "$1";then
die "%s is not a valid arch!" "$1"
fi
if ! is_valid_branch "${target_branch}";then
die "%s is not a valid branch!" "${target_branch}"
fi
local conf_arch chost_desc cflags
local carch chost cflags pac_arch='default'
case "$1" in
'arm')
conf_arch="$1"
chost_desc="armv5tel-unknown-linux-gnueabi"
cflags="-march=armv5te "
preconf_arm "$conf_arch" "$chost_desc" "$cflags"
carch="$1"
chost="armv5tel-unknown-linux-gnueabi"
cflags="-march=armv5te -O2 -pipe -fstack-protector --param=ssp-buffer-size=4"
;;
'armv6h')
conf_arch="$1"
chost_desc="armv6l-unknown-linux-gnueabihf"
cflags="-march=armv6 -mfloat-abi=hard -mfpu=vfp "
preconf_arm "$conf_arch" "$chost_desc" "$cflags"
carch="$1"
chost="armv6l-unknown-linux-gnueabihf"
cflags="-march=armv6 -mfloat-abi=hard -mfpu=vfp -O2 -pipe -fstack-protector --param=ssp-buffer-size=4"
;;
'armv7h')
conf_arch="$1"
chost_desc="armv7l-unknown-linux-gnueabihf"
cflags="-march=armv7-a -mfloat-abi=hard -mfpu=vfpv3-d16 "
preconf_arm "$conf_arch" "$chost_desc" "$cflags"
;;
carch="$1"
chost="armv7l-unknown-linux-gnueabihf"
cflags="-march=armv7-a -mfloat-abi=hard -mfpu=vfpv3-d16 -O2 -pipe -fstack-protector --param=ssp-buffer-size=4"
'aarch64')
conf_arch="$1"
chost_desc="aarch64-unknown-linux-gnu"
cflags="-march=armv8-a "
preconf_arm "$conf_arch" "$chost_desc" "$cflags"
carch="$1"
chost="aarch64-unknown-linux-gnu"
cflags="-march=armv8-a -O2 -pipe -fstack-protector --param=ssp-buffer-size=4"
;;
'multilib')
conf_arch='multilib'
preconf "$conf_arch"
'x86_64'|'multilib')
carch="x86_64"
chost="x86_64-pc-linux-gnu"
cflags="-march=x86-64 -mtune=generic -O2 -pipe -fstack-protector-strong"
if [[ "$1" == 'multilib' ]];then
pac_arch='multilib'
is_multilib=true
fi
;;
*)
conf_arch='default'
preconf "$conf_arch"
'i686')
carch="$1"
chost="i686-pc-linux-gnu"
cflags="-march=i686 -mtune=generic -O2 -pipe -fstack-protector-strong"
;;
esac
mirrors_conf="${DATADIR}/pacman-mirrors-${target_branch}.conf"
pacman_conf="${DATADIR}/pacman-$pac_arch.conf"
work_dir="${chroots_pkg}/${target_branch}/$1"
pkg_dir="${cache_dir_pkg}/${target_branch}/$1"
[[ "$pac_arch" == 'multilib' ]] && target_arch='x86_64'
makepkg_conf=$(get_makepkg_conf "${target_arch}" "$carch" "$chost" "$cflags")
}
pkgver_equal() {

View file

@ -62,6 +62,16 @@ check_user_repos_conf(){
done
}
get_pac_mirrors_conf(){
local conf_dir=/tmp conf
conf="$conf_dir/pacman-mirrors-$1.conf"
cp "${DATADIR}/pacman-mirrors.conf" "$conf"
sed -i "$conf" \
-e "s|^.*Branch.*|Branch = $1|"
echo "$conf"
}
read_set(){
local _space="s| ||g" \
_clean=':a;N;$!ba;s/\n/ /g' \