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#!/bin/sh
#
# Copyright (C) 2012, 2014 Etersoft
# Copyright (C) 2012, 2014 Vitaly Lipatov <lav@etersoft.ru>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# copied from /etc/init.d/outformat (ALT Linux)
check_core_commands()
{
#which --help >/dev/null || fatal "Can't find which command (which package is missed?)"
# broken which on Debian systems
which which >/dev/null || fatal "Can't find which command (which or debianutils package is missed?)"
which grep >/dev/null || fatal "Can't find grep command (coreutils package is missed?)"
which sed >/dev/null || fatal "Can't find sed command (sed package is missed?)"
}
# FIXME on Android: FIX ME! implement ttyname_r() bionic/libc/bionic/stubs.c:366
inputisatty()
{
# check stdin
#tty -s 2>/dev/null
test -t 0
}
isatty()
{
# check stdout
test -t 1
}
isatty2()
{
# check stderr
test -t 2
}
check_tty()
{
isatty2 || return
# Set a sane TERM required for tput
[ -n "$TERM" ] || TERM=dumb
export TERM
check_core_commands
# grep -E from busybox may not --color
# grep -E from MacOS print help to stderr
if grep -E --help 2>&1 | grep -q -- "--color" ; then
export EGREPCOLOR="--color"
fi
which tput >/dev/null 2>/dev/null || return
# FreeBSD does not support tput -S
echo | tput -S >/dev/null 2>/dev/null || return
[ -z "$USETTY" ] || return
export USETTY=1
}
: ${BLACK:=0} ${RED:=1} ${GREEN:=2} ${YELLOW:=3} ${BLUE:=4} ${MAGENTA:=5} ${CYAN:=6} ${WHITE:=7}
set_boldcolor()
{
[ "$USETTY" = "1" ] || return
{
echo bold
echo setaf $1
} |tput -S
}
restore_color()
{
[ "$USETTY" = "1" ] || return
{
echo op; # set Original color Pair.
echo sgr0; # turn off all special graphics mode (bold in our case).
} |tput -S
}
echover()
{
[ -z "$verbose" ] && return
echo "$*" >&2
}
# echo string without EOL
echon()
{
# default /bin/sh on MacOS does not recognize -n
/bin/echo -n "$*"
}
# Used DISTRNAME
set_target_pkg_env()
{
[ -n "$DISTRNAME" ] || fatal "Missing DISTRNAME in set_target_pkg_env."
local ver="$DISTRVERSION"
[ -n "$ver" ] && ver="/$ver"
PKGFORMAT=$($DISTRVENDOR -p "$DISTRNAME$ver")
PKGVENDOR=$($DISTRVENDOR -s "$DISTRNAME$ver")
RPMVENDOR=$($DISTRVENDOR -n "$DISTRNAME$ver")
}
# Print command line and run command line
showcmd()
{
if [ -z "$quiet" ] ; then
set_boldcolor $GREEN
local PROMTSIG="\$"
is_root && PROMTSIG="#"
echo " $PROMTSIG $*"
restore_color
fi >&2
}
# Print command line and run command line
docmd()
{
showcmd "$*$EXTRA_SHOWDOCMD"
#FIXME
$@
}
# Run every arg with docmd
docmd_foreach()
{
local cmd pkg
cmd="$1"
#showcmd "$@"
shift
for pkg in "$@" ; do
docmd "$cmd" $pkg
done
}
# run command line with SUDO
sudorun()
{
set_sudo
if [ -z "$SUDO" ] ; then
"$@"
return
fi
$SUDO "$@"
}
# Print command line and run command line with SUDO
sudocmd()
{
set_sudo
[ -n "$SUDO" ] && showcmd "$SUDO $*" || showcmd "$*"
sudorun "$@"
}
# Run every arg with sudocmd
# Returns on any error
sudocmd_foreach()
{
local cmd pkg
cmd="$1"
#showcmd "$@"
shift
for pkg in "$@" ; do
# don't quote $cmd here: it can be a command with an args
sudocmd $cmd $pkg || return
done
}
# add realpath if missed
if ! which realpath 2>/dev/null >/dev/null ; then
realpath()
{
readlink -f "$@"
}
fi
# print full path to files
make_filepath()
{
local i
for i in "$@" ; do
[ -f "$i" ] || continue
echo "$i" | grep -q "/" && echo "$i" && continue
echo "./$i"
done
}
get_firstarg()
{
echon "$1"
}
get_lastarg()
{
local lastarg
eval "lastarg=\${$#}"
echon "$lastarg"
}
# TODO: see etersoft-build-utils/tests/test_isnumber.sh
isnumber()
{
echo "$*" | filter_strip_spaces | grep -q "^[0-9]\+$"
}
# copied from strings
# CHECKME: the same like estrlist has ?
# Note: used grep -E! write '[0-9]+(first|two)', not '[0-9]\+...'
rhas()
{
echo "$1" | grep -E -q -- "$2"
}
# copied from strings
is_dirpath()
{
[ "$1" = "." ] && return $?
rhas "$1" "/"
}
filter_strip_spaces()
{
# possible use just
#xargs echo
sed -e "s| \+| |g" | \
sed -e "s|^ ||" | sed -e "s| \$||"
}
strip_spaces()
{
echo "$*" | filter_strip_spaces
}
# param true false
subst_option()
{
eval "[ -n \"\$$1\" ]" && echo "$2" || echo "$3"
}
store_output()
{
# use make_temp_file from etersoft-build-utils
RC_STDOUT=$(mktemp)
local CMDSTATUS=$RC_STDOUT.pipestatus
echo 1 >$CMDSTATUS
#RC_STDERR=$(mktemp)
( LANG=C $@ 2>&1 ; echo $? >$CMDSTATUS ) | tee $RC_STDOUT
return "$(cat $CMDSTATUS)"
# bashism
# http://tldp.org/LDP/abs/html/bashver3.html#PIPEFAILREF
#return $PIPESTATUS
}
showcmd_store_output()
{
showcmd "$@"
store_output "$@"
}
clean_store_output()
{
rm -f $RC_STDOUT $RC_STDOUT.pipestatus
}
# run epm, possible from side repo
epm()
{
[ -n "$PROGNAME" ] || fatal "Can't use epm call from the piped script"
$PROGDIR/$PROGNAME --inscript "$@"
}
# run $SUDO epm, possible from side repo
sudoepm()
{
[ -n "$PROGNAME" ] || fatal "Can't use epm call from the piped script"
sudorun $PROGDIR/$PROGNAME --inscript "$@"
}
# Print error message and stop the program
fatal()
{
if [ -z "$TEXTDOMAIN" ] ; then
echo "Error: $*" >&2
# else
# echog "Error in $0: $@" >&2
fi
# [ "$TERM" = "screen" ] && echo "(screen detected: waiting ten seconds to exit ...)" >&2 && sleep 10
exit 1
}
# Print warning message
warning()
{
if [ -z "$TEXTDOMAIN" ] ; then
echo "Warning: $*" >&2
# else
# echog "Error in $0: $@" >&2
fi
}
info()
{
[ -n "$quiet" ] && return
# print message to stderr if stderr forwarded to (a file)
if isatty2 ; then
isatty || return 0
echo "$*"
else
echo "$*" >&2
fi
}
# if we have not sudo, returns 1 and set SUDO variable to fatal
SUDO_TESTED=''
SUDO_CMD='sudo'
set_sudo()
{
local nofail="$1"
# cache the result
[ -n "$SUDO_TESTED" ] && return "$SUDO_TESTED"
SUDO_TESTED="0"
SUDO=""
# skip SUDO if disabled
[ -n "$EPMNOSUDO" ] && return
if [ "$DISTRNAME" = "Cygwin" ] || [ "$DISTRNAME" = "Windows" ] ; then
# skip sudo using on Windows
return
fi
# if we are root, do not need sudo
is_root && return
# start error section
SUDO_TESTED="1"
if ! which $SUDO_CMD >/dev/null 2>/dev/null ; then
[ "$nofail" = "nofail" ] || SUDO="fatal 'Can't find sudo. Please install and tune sudo ('# epm install sudo') or run epm under root.'"
return "$SUDO_TESTED"
fi
# if input is a console
if inputisatty && isatty && isatty2 ; then
if ! $SUDO_CMD -l >/dev/null ; then
[ "$nofail" = "nofail" ] || SUDO="fatal 'Can't use sudo (only passwordless sudo is supported in non interactive using). Please run epm under root.'"
return "$SUDO_TESTED"
fi
else
# use sudo if one is tuned and tuned without password
if ! $SUDO_CMD -l -n >/dev/null 2>/dev/null ; then
[ "$nofail" = "nofail" ] || SUDO="fatal 'Can't use sudo (only passwordless sudo is supported). Please run epm under root or check http://altlinux.org/sudo.'"
return "$SUDO_TESTED"
fi
fi
SUDO_TESTED="0"
SUDO="$SUDO_CMD --"
# check for < 1.7 version which do not support -- (and --help possible too)
$SUDO_CMD -h 2>/dev/null | grep -q " --" || SUDO="$SUDO_CMD"
}
# return TRUE if we can run privileged command
sudo_allowed()
{
set_sudo nofail
}
# wait for n seconds (if possible) during executing command
# args: seconds command
withtimeout()
{
local TO=$(which timeout 2>/dev/null || which gtimeout 2>/dev/null)
if [ -x "$TO" ] ; then
$TO "$@"
return
fi
fatal "Possible indefinite wait due timeout command is missed"
# fallback: drop time arg and run without timeout
#shift
#"$@"
}
set_eatmydata()
{
# don't use eatmydata (useless)
return 0
# skip if disabled
[ -n "$EPMNOEATMYDATA" ] && return
# use if possible
which eatmydata >/dev/null 2>/dev/null || return
set_sudo
# FIXME: check if SUDO already has eatmydata
[ -n "$SUDO" ] && SUDO="$SUDO eatmydata" || SUDO="eatmydata"
[ -n "$verbose" ] && info "Uwaga! eatmydata is installed, we will use it for disable all sync operations."
return 0
}
#
__get_package_for_command()
{
case "$1" in
equery|revdep-rebuild)
echo 'gentoolkit'
;;
update-kernel|remove-old-kernels)
echo 'update-kernel'
;;
esac
}
# TODO:
confirm() {
local response
# call with a prompt string or use a default
read -r -p "${1:-Are you sure? [y/N]} " response
case $response in
[yY][eE][sS]|[yY])
true
;;
*)
false
;;
esac
}
confirm_info()
{
info "$*"
if [ -z "$non_interactive" ] ; then
confirm "Are you sure? [y/N]" || fatal "Exiting"
fi
}
is_root()
{
local EFFUID="$(id -u)"
[ "$EFFUID" = "0" ]
}
assure_root()
{
is_root || fatal "run me only under root"
}
regexp_subst()
{
local expression="$1"
shift
sed -i -r -e "$expression" "$@"
}
# TODO: we we can't use epm directly?
assure_exists()
{
load_helper epm-assure
local package="$2"
local textpackage=
[ -n "$package" ] || package="$(__get_package_for_command "$1")"
[ -n "$3" ] && textpackage=" >= $3"
( direct='' epm_assure "$1" $package $3 ) || fatal "Can't assure in '$1' command from $package$textpackage package"
}
# will replaced within disabled_eget in packaged version
eget()
{
local EGET
# use internal eget only if exists
if [ -s $SHAREDIR/tools_eget ] ; then
$SHAREDIR/tools_eget "$@"
return
fi
fatal "Internal error: missed tools_eget"
# FIXME: we need disable output here, eget can be used for get output
assure_exists eget eget 3.3 >/dev/null
# run external command, not the function
EGET=$(which eget) || fatal "Missed command eget from installed package eget"
$EGET "$@"
}
estrlist()
{
if [ -s $SHAREDIR/tools_estrlist ] ; then
$SHAREDIR/tools_estrlist "$@"
return
fi
fatal "missed tools_estrlist"
}
onefile_estrlist()
{
internal_tools_estrlist "$@"
}
# will replaced within eget() in packed version
onefile_eget()
{
assure_exists wget
internal_tools_eget "$@"
}
# TODO: improve and drop!
get_package_type()
{
local i
case $1 in
*.deb)
echo "deb"
return
;;
*.rpm)
echo "rpm"
return
;;
*.txz)
echo "txz"
return
;;
*.tbz)
echo "tbz"
return
;;
*.exe)
echo "exe"
return
;;
*.msi)
echo "msi"
return
;;
*.AppImage)
echo "AppImage"
return
;;
*)
#fatal "Don't know type of $1"
# return package name for info
echo "$1"
return 1
;;
esac
}
# print options description from HELPCMD/HELPOPT lines in the code
# args: section_name, [file with code]
get_help()
{
if [ "$0" = "/dev/stdin" ] || [ "$0" = "sh" ] ; then
return
fi
local F="$0"
if [ -n "$2" ] ; then
is_dirpath "$2" && F="$2" || F="$(dirname $0)/$2"
fi
cat "$F" | grep -- "# $1" | while read -r n ; do
if echo "$n" | grep -q "# $1: PART: " ; then
echo
echo "$n" | sed -e "s|# $1: PART: ||"
continue
fi
echo "$n" | grep -q "^ *#" && continue
opt=`echo $n | sed -e "s|) # $1:.*||g" -e 's|"||g' -e 's@^|@@'`
desc=`echo $n | sed -e "s|.*) # $1:||g"`
printf " %-20s %s\n" "$opt" "$desc"
done
}
# TODO: get all info by one request (too slow)
set_distro_info()
{
# use external distro_info if internal one is missed
DISTRVENDOR=$PROGDIR/distr_info
[ -x $DISTRVENDOR ] || DISTRVENDOR=distro_info
export DISTRVENDOR
[ -n "$DISTRNAME" ] || DISTRNAME=$($DISTRVENDOR -d) || fatal "Can't get distro name."
[ -n "$DISTRVERSION" ] || DISTRVERSION=$($DISTRVENDOR -v)
if [ -z "$DISTRARCH" ] ; then
DISTRARCH=$($DISTRVENDOR --distro-arch)
fi
DISTRCONTROL="$($DISTRVENDOR -y)"
}
# FIXME: detect if not recognized
set_pm_type()
{
local CMD
set_distro_info
set_target_pkg_env
# override package manager detection result
if [ -n "$FORCEPM" ] ; then
PMTYPE=$FORCEPM
return
fi
PMTYPE="$($DISTRVENDOR -g $DISTRNAME/$DISTRVERSION)"
}
is_active_systemd()
{
[ "$DISTRCONTROL" = "systemd" ]
}
assure_distr()
{
local TEXT="this option"
[ -n "$2" ] && TEXT="$2"
[ "$DISTRNAME" = "$1" ] || fatal "$TEXT supported only for $1 distro"
}
# return delimiter sign in depend of package type
get_pkg_name_delimiter()
{
local pkgtype="$1"
[ -n "$pkgtype" ] || pkgtype="$($DISTRVENDOR -p)"
[ "$pkgtype" = "deb" ] && echo "_" && return
echo "-"
}
has_space()
{
estrlist -- has_space "$@"
}