-# vim:ft=sh:tw=80:ts=4
# lsb init-functions
#
# based on:
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
+# log_*() functions {{{
TPUT="${TPUT:-"/usr/bin/tput"}"
_have_tput() {
fi
return "$1"
}
+# }}}
+
+# e*() output functions {{{
+# heavily based on gentoo's functions.sh; stripped down and modified
+# to match our needs.
+#
+# defined functions:
+# ebegin()
+# eend()
+# eerror()
+# eindent()
+# einfo()
+# einfon()
+# eoutdent()
+# esetdent()
+# esyslog()
+# ewarn()
+# ewend()
+#
+# copyright 1999-2005 gentoo foundation
+# distributed under the terms of the gnu general public license v2
+# $header: /var/cvsroot/gentoo-src/rc-scripts/sbin/functions.sh,v 1.81.2.6 2005/05/15 20:00:31 vapier exp $
+
+# initialisation {{{
+# internal variables
+
+# Don't output to stdout?
+RC_QUIET_STDOUT="no"
+
+# Default values for e-message indentation and dots
+RC_INDENTATION=''
+RC_DEFAULT_INDENT=2
+#RC_DOT_PATTERN=' .'
+RC_DOT_PATTERN=''
+# don't output to stdout?
+rc_quiet_stdout="no"
+
+# default values for e-message indentation and dots
+rc_indentation=''
+rc_default_indent=2
+#rc_dot_pattern=' .'
+rc_dot_pattern=''
+
+# should we use color?
+if [ -r /proc/cmdline ] ; then
+ grep -q ' nocolor' /proc/cmdline && RC_NOCOLOR='yes'
+fi
+[ -n "$NOCOLORS" ] && RC_NOCOLOR='yes'
+RC_NOCOLOR="${RC_NOCOLOR:-no}"
+if [ "$RC_NOCOLOR" = "no" ] ; then
+ if [ -r /etc/grml_colors ] ; then
+ . /etc/grml_colors
+ fi
+fi
+
+# Can the terminal handle endcols?
+if [ "${RC_NOCOLOR}" = "yes" ]; then
+ RC_ENDCOL="no"
+else
+ RC_ENDCOL="yes"
+fi
+
+# Setup COLS and ENDCOL so eend can line up the [ ok ]
+# width of [ ok ] == 7
+COLS="$(stty size 2>/dev/null | cut -d' ' -f2)"
+if [ -z "${COLS}" ] || [ "${COLS}" -le 0 ] ; then
+ COLS=80
+fi
+
+if [ "${RC_ENDCOL}" = "yes" ]; then
+ ENDCOL="\e[A\e[$(( ${COLS} - 8 ))G"
+else
+ ENDCOL=''
+fi
+
+# Setup the colors so our messages all look pretty
+if [ "${RC_NOCOLOR}" = "yes" ]; then
+ unset GOOD WARN BAD NORMAL HILITE BRACKET
+else
+ GOOD='\e[32;01m'
+ WARN='\e[33;01m'
+ BAD='\e[31;01m'
+ NORMAL='\e[0m'
+ HILITE='\e[36;01m'
+ BRACKET='\e[34;01m'
+fi
+#}}}
+
+# void esyslog(char* priority, char* tag, char* message)
+#
+# use the system logger to log a message
+#
+esyslog() {
+ local pri
+ local tag
+
+ [ "$#" -le 2 ] && return 0
+ if [ -x /usr/bin/logger ] ; then
+ pri="$1"
+ tag="$2"
+ shift 2
+
+ /usr/bin/logger -p "${pri}" -t "${tag}" -- "$@"
+ fi
+
+ return 0
+}
+
+# void eindent(int num)
+#
+# increase the indent used for e-commands.
+#
+eindent() {
+ local i="${1:-0}"
+ [ "$i" -gt 0 ] || i="${RC_DEFAULT_INDENT}"
+ esetdent $(( ${#RC_INDENTATION} + $i ))
+}
+
+# void eoutdent(int num)
+#
+# decrease the indent used for e-commands.
+#
+eoutdent() {
+ local i="${1:-0}"
+ [ "$i" -gt 0 ] || i="${RC_DEFAULT_INDENT}"
+ esetdent $(( ${#RC_INDENTATION} - $i ))
+}
+
+# void esetdent(int num)
+#
+# hard set the indent used for e-commands.
+# num defaults to 0
+#
+esetdent() {
+ local i="${1:-0}"
+ [ "$i" -lt 0 ] && i=0
+ RC_INDENTATION="$(printf "%${i}s" '')"
+}
+
+# void einfo(char* message)
+#
+# show an informative message (with a newline)
+#
+einfo() {
+ einfon "$*\n"
+ LAST_E_CMD=einfo
+ return 0
+}
+
+# void einfon(char* message)
+#
+# show an informative message (without a newline)
+#
+einfon() {
+ [ "${RC_QUIET_STDOUT}" = "yes" ] && return 0
+ [ "${RC_ENDCOL}" != "yes" ] && [ "${LAST_E_CMD}" = "ebegin" ] && echo
+ printf " ${GOOD}*${NORMAL} ${RC_INDENTATION}$*"
+ LAST_E_CMD=einfon
+ return 0
+}
+
+# void ewarn(char* message)
+#
+# show a warning message + log it
+#
+ewarn() {
+ if [ "${RC_QUIET_STDOUT}" = "yes" ]; then
+ printf " $*\n"
+ else
+ [ "${RC_ENDCOL}" != "yes" ] && [ "${LAST_E_CMD}" = "ebegin" ] && echo
+ printf " ${WARN}*${NORMAL} ${RC_INDENTATION}$*\n"
+ fi
+
+ # Log warnings to system log
+ esyslog "daemon.warning" "rc-scripts" "$@"
+
+ LAST_E_CMD=ewarn
+ return 0
+}
+
+# void eerror(char* message)
+#
+# show an error message + log it
+#
+eerror() {
+ if [ "${RC_QUIET_STDOUT}" = "yes" ]; then
+ printf " $*\n" >&2
+ else
+ [ "${RC_ENDCOL}" != "yes" ] && [ "${LAST_E_CMD}" = "ebegin" ] && echo
+ printf " ${BAD}*${NORMAL} ${RC_INDENTATION}$*\n"
+ fi
+
+ # Log errors to system log
+ esyslog "daemon.err" "rc-scripts" "$@"
+
+ LAST_E_CMD=eerror
+ return 0
+}
+
+# void ebegin(char* message)
+#
+# show a message indicating the start of a process
+#
+ebegin() {
+ local msg="$@" dots spaces
+ spaces="$(printf '%'"${#RC_DOT_PATTERN}"'s' '')"
+ [ "${RC_QUIET_STDOUT}" = "yes" ] && return 0
+
+ if [ -n "${RC_DOT_PATTERN}" ]; then
+ dots="$(printf "%$(( $COLS - 3 - ${#RC_INDENTATION} - ${#msg} - 7 ))s" '')"
+ while [ "${dots#${spaces}}" != "${dots}" ] ; do
+ dots="${dots#${spaces}}${RC_DOT_PATTERN}"
+ done
+ msg="${msg}${dots}"
+ else
+ msg="${msg} ..."
+ fi
+ einfon "${msg}"
+ [ "${RC_ENDCOL}" = "yes" ] && echo
+
+ LAST_E_LEN=$(( 3 + ${#RC_INDENTATION} + ${#msg} ))
+ LAST_E_CMD=ebegin
+ return 0
+}
+
+# void _eend(int error, char *efunc, char* errstr)
+#
+# indicate the completion of process, called from eend/ewend
+# if error, show errstr via efunc
+#
+# This function is private to functions.sh. Do not call it from a
+# script.
+#
+_eend() {
+ local retval="${1:-0}" efunc="${2:-eerror}" msg
+ shift 2
+
+ if [ "${retval}" -eq 0 ]; then
+ [ "${RC_QUIET_STDOUT}" = "yes" ] && return 0
+ msg="${BRACKET}[ ${GOOD}ok${BRACKET} ]${NORMAL}"
+ else
+ if [ "$#" -gt 0 ] ; then
+ "${efunc}" "$@"
+ fi
+ msg="${BRACKET}[ ${BAD}!!${BRACKET} ]${NORMAL}"
+ fi
+
+ if [ "${RC_ENDCOL}" = "yes" ]; then
+ printf "${ENDCOL} ${msg}\n"
+ else
+ [ "${LAST_E_CMD}" = "ebegin" ] || LAST_E_LEN=0
+ printf "%$(( ${COLS} - ${LAST_E_LEN} - 6 ))s%b\n" '' "${msg}"
+ fi
+
+ return "${retval}"
+}
+
+# void eend(int error, char* errstr)
+#
+# indicate the completion of process
+# if error, show errstr via eerror
+#
+eend() {
+ local retval="${1:-0}"
+ shift
+
+ _eend "${retval}" eerror "$@"
+
+ LAST_E_CMD=eend
+ return "$retval"
+}
+
+# void ewend(int error, char* errstr)
+#
+# indicate the completion of process
+# if error, show errstr via ewarn
+#
+ewend() {
+ local retval="${1:-0}"
+ shift
+
+ _eend "${retval}" ewarn "$@"
+
+ LAST_E_CMD=ewend
+ return "$retval"
+}
+#}}}
+
+# if we're using systemd then redefine functions
+# for output in systemd style
+if [ "$(cat /proc/1/comm 2>/dev/null)" = "systemd" ] ; then
+ einfo() {
+ printf "[ ${GREEN}OK${NORMAL} ] %s\n" "$*"
+ }
+
+ ewarn() {
+ printf "[ ${YELLOW}WARN${NORMAL} ] %s\n" "$*"
+ }
+
+ eerror() {
+ printf "[ ${RED}FAIL${NORMAL} ] %s\n" "$*"
+ }
+
+ eend() {
+ :
+ }
+fi
+
+# vim: ft=sh tw=80 ts=4 foldmethod=marker
projects / grml-etc-core.git / blobdiff