MUTTJUMP_USE_SCREEN=${MUTTJUMP_USE_SCREEN:-auto}
# "yes" or "no"
-# If this is set to "yes", muttjump will not open a new instance of
-# mutt, but instead jump to the original message in a running mutt
-# (which is running in a screen session).
-# ATTENTION: You need to have one mutt instance open for every mailbox
-# for this to work!
+# Set this to "yes" if you want exactly one screen window (with mutt running
+# inside) per mailbox. With new versions of screen (> 4.00) it is possible
+# to do that automatically, with old versions you have to start them
+# manually! Setting this to yes implies MUTTJUMP_USE_SCREEN=yes.
MUTTJUMP_MULTI_SCREEN_MODE=${MUTTJUMP_MULTI_SCREEN_MODE:-no}
# function to create the screen window name from the full path of the mailbox
fi
# Version of GNU screen
-# Since 4.01.00 (commit d87a0d8) backslash handling was altered.
+# Since 4.01.00devel (commit 98b6b41) backslash handling for -X was altered.
MUTTJUMP_SCREEN_VERSION=${MUTTJUMP_SCREEN_VERSION:-auto}
# program paths
awk '{ y = length(); if (y > x) x = y } END { print x }'
}
+# Check if screen is new enough to parse -X (commit 98b6b41) and support
+# -Q (commit 8147d08). It (falsely) assumes that screen version > 4.00
+# does this. Distributions that use git versions are likely to also keep
+# them up to date.
+function is_new_screen () {
+ sv=$MUTTJUMP_SCREEN_VERSION
+ if [ "$sv" = auto ] ; then
+ sv=$($SCREEN --version | awk '{print $3}')
+ fi
+ echo "$sv" | grep -vq "^\(4\.00\|[0-3]\.\)"
+}
+
function usage () {
cat >&2 <<END
Usage: muttjump msgid
jump_cmd="$jump_cmd<limit>all<enter>"
fi
-if [ "$MUTTJUMP_MULTI_SCREEN_MODE" = no ] ; then
-
- if [ "$MUTTJUMP_USE_SCREEN" = auto -a -n "$STY" ] ; then
- MUTTJUMP_USE_SCREEN=yes
- fi
+if [ "$MUTTJUMP_MULTI_SCREEN_MODE" = yes ] ||
+ [ "$MUTTJUMP_USE_SCREEN" = auto -a -n "$STY" ] ; then
+ MUTTJUMP_USE_SCREEN=yes
+fi
- screen_opts=()
- if [ "$MUTTJUMP_USE_SCREEN" = yes ] ; then
- if [ -n "$STY" ] ; then
- screen_opts=("-X" "screen")
- sv=$MUTTJUMP_SCREEN_VERSION
- if [ "$sv" = auto ] ; then
- sv=$($SCREEN --version | awk '{print $3}')
- fi
- if ! echo "$sv" | grep -q "^\(4\.00\|[0-3]\.\)" ; then
- jump_cmd=${jump_cmd/\\/\\\\\\}
- fi
- else
- reopen_tty
+screen_opts=()
+screen_query_arg=""
+if [ "$MUTTJUMP_USE_SCREEN" = yes ] ; then
+ if [ -n "$STY" ] ; then
+ screen_opts=("-X" "screen")
+ if is_new_screen ; then
+ jump_cmd=${jump_cmd/\\/\\\\\\}
+ screen_query_arg="-Q"
fi
- screen_window_name=$(MUTTJUMP_SCREEN_WINDOW_NAME_MANGLE "$orig_maildir")
- screen_opts=("${screen_opts[@]}" "-t" "$screen_window_name")
else
- SCREEN=""
reopen_tty
fi
-
- # start mutt, open original folder and jump to the original message
- $SCREEN "${screen_opts[@]}" $MUTT -f "$orig_maildir" -e "push \"$jump_cmd\""
-
-else
-
- jump_cmd_short="l$jump_expr\r"
- if [ "$MUTTJUMP_MODE" = search ] ; then
- jump_cmd_short="${jump_cmd_short}lall\r"
- fi
-
screen_window_name=$(MUTTJUMP_SCREEN_WINDOW_NAME_MANGLE "$orig_maildir")
+ screen_opts=("${screen_opts[@]}" "-t" "$screen_window_name")
+else
+ SCREEN=""
+ reopen_tty
+fi
- if [ -z "$STY" ] ; then
- reopen_tty
- $SCREEN -t "$screen_window_name" $MUTT -f "$orig_maildir" -e "push \"$jump_cmd\""
- else
- $SCREEN -X -p "$screen_window_name" -Q select "$screen_window_name" >/dev/null
- if [ $? != 0 ] ; then
- $SCREEN -X screen -t "$screen_window_name" $MUTT -f "$orig_maildir" -e "push \"$jump_cmd\""
- else
- $SCREEN -X -p "$screen_window_name" stuff "$jump_cmd_short"
- fi
+if [ "$MUTTJUMP_MULTI_SCREEN_MODE" = yes -a -n "$STY" ] ; then
+ $SCREEN -X -p "$screen_window_name" $screen_query_arg \
+ select "$screen_window_name" >/dev/null
+ if [ $? = 0 ] ; then
+ $SCREEN -X -p "$screen_window_name" stuff ":push \"$jump_cmd\"\r"
+ exit 0
fi
fi
+
+# start mutt, open original folder and jump to the original message
+$SCREEN "${screen_opts[@]}" $MUTT -f "$orig_maildir" -e "push \"$jump_cmd\""