forked from pool/emacs
139 lines
4.2 KiB
Bash
139 lines
4.2 KiB
Bash
#!/bin/bash
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#
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# Launch a GNU Emacs
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#
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# The environment variable EMACS_TOOLKIT is used to determine
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# the prefered GUI. Possible values/types of EMACS_TOOLKIT are
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#
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# nox -- for pure console based GNU Emacs
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# gtk -- for full GTK2/3 based GNU Emacs
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# x11 -- for full LUCID based GNU Emacs (used Xaw3d)
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#
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# Should work but remember history
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# bnc#345669 -- Emacs doesn't un-maximize in KDE/KWin
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# bnc#342385 -- Emacs doesn't keep the iconic information in KDE/KWin
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#
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# if test -z "$EMACS_TOOLKIT" ; then
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# EMACS_TOOLKIT=gtk
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# KDE_FULL_SESSION=$(xprop -root KDE_FULL_SESSION 2>/dev/null)
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# case "$KDE_FULL_SESSION" in
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# *true*) EMACS_TOOLKIT=x11
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# esac
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# fi
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#
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: ${EMACS_TOOLKIT:=gtk}
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if test "$EMACS_TOOLKIT" = gtk; then
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# Currently (2013/05/24) the parser of the GNOME libs
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# are broken that is it is not independent from locale
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LC_NUMERIC=POSIX
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XLIB_SKIP_ARGB_VISUALS=1
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GDK_RGBA=0
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export LC_NUMERIC XLIB_SKIP_ARGB_VISUALS GDK_RGBA
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fi
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arg0=$0
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argv=("$@")
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if test -x ${arg0}-${EMACS_TOOLKIT}
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then
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set -- ${arg0}-${EMACS_TOOLKIT}
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elif test -x ${arg0}-x11
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then
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set -- ${arg0}-x11
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elif test -x ${arg0}-nox
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then
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set -- ${arg0}-nox
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else
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echo "no emacs binary found"
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exit 1
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fi
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dbusdaemon=$(type -p dbus-daemon 2>/dev/null)
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#
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# Now check for valid dbus, e.g. after su/sudo/slogin
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#
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if test -n "$dbusdaemon" ; then
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#
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# Currently (2013/05/24) the option --autolaunch for scanning for an
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# already existing session is an internal option of dbus-launch(1).
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#
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if test -s /var/lib/dbus/machine-id ; then
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read -t1 mid < /var/lib/dbus/machine-id
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elif test -s /etc/machine-id ; then
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read -t1 mid < /etc/machine-id
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else
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mid=
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fi
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if test -n "$DBUS_SESSION_BUS_ADDRESS" ; then
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# Determine dbus identifier
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for guid in ${DBUS_SESSION_BUS_ADDRESS//,/ } ; do
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case "$guid" in
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guid=*) break
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esac
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done
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# Check if dbus-daemon is active
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dpid=
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for suid in "${HOME}/.dbus/session-bus/"${mid}* ; do
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test -e "$suid" || break
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grep -q $guid "$suid" || continue
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dpid=$(grep -E '^DBUS_SESSION_BUS_PID=[[:digit:]]+' "$suid")
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test /proc/${dpid#*=}/exe -ef $dbusdaemon && continue
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unset DBUS_SESSION_BUS_ADDRESS
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break
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done
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if test -z "$dpid" ; then
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case ":$DBUS_SESSION_BUS_ADDRESS" in
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*:path=/run/user/${UID}/bus*) ;;
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*) unset DBUS_SESSION_BUS_ADDRESS
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esac
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fi
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fi
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# Find a valid dbus-daemon if active
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if test -z "$DBUS_SESSION_BUS_ADDRESS" ; then
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for suid in "${HOME}/.dbus/session-bus/"${mid}* ; do
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test -e "$suid" || break
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dpid=$(grep -E '^DBUS_SESSION_BUS_PID=[[:digit:]]+' "$suid")
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test /proc/${dpid#*=}/exe -ef $dbusdaemon || continue
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dadd=$(grep -E '^DBUS_SESSION_BUS_ADDRESS=' "$suid")
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DBUS_SESSION_BUS_ADDRESS=${dadd#*=}
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export DBUS_SESSION_BUS_ADDRESS
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done
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if test -z "$DBUS_SESSION_BUS_ADDRESS" -a -S "${XDG_RUNTIME_DIR}/bus" ; then
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DBUS_SESSION_BUS_ADDRESS="unix:path=${XDG_RUNTIME_DIR}/bus"
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export DBUS_SESSION_BUS_ADDRESS
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fi
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fi
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unset mid guid suid dadd
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# Oops ... no dbus-daemon then launch a new session
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if test -z "$DBUS_SESSION_BUS_ADDRESS" ; then
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dbuslaunch=$(type -p dbus-launch 2>/dev/null)
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dbusession=$(type -p dbus-run-session 2>/dev/null)
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if test -z "$dbusession" -a -n "$dbuslaunch" ; then
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set -- $dbuslaunch --sh-syntax --close-stderr --exit-with-session ${1+"$@"}
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arg0=$dbuslaunch
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elif test -n "$dbusession" ; then
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set -- $dbusession -- ${1+"$@"}
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arg0=$dbusession
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else
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arg0=emacs
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fi
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elif test -S "${XDG_RUNTIME_DIR}/bus" ; then
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dbusupdate=$(type -p dbus-update-activation-environment 2>/dev/null)
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dbusstatus=$(systemctl --user is-active dbus.service 2>/dev/null)
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if test -n "$dbusupdate" -a "$dbusstatus" != active ; then
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$dbusupdate --systemd DBUS_SESSION_BUS_ADDRESS="unix:path=${XDG_RUNTIME_DIR}/bus"
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fi
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fi
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unset dbuslaunch dbusdaemon
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fi
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#
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# Disable AT bridge if not accessible
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#
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if test -z "NO_AT_BRIDGE" ; then
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gsettings=$(gsettings get org.gnome.desktop.interface toolkit-accessibility 2>/dev/null)
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if test -z "$gsettings" -o "$gsettings" = false ; then
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NO_AT_BRIDGE=1
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export NO_AT_BRIDGE
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fi
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unset gsettings
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fi
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unset G_MESSAGES_DEBUG G_DEBUG G_MESSAGES_PREFIXED
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exec -a $arg0 ${1+"$@"} "${argv[@]}"
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