integrate multi-mode

[muttjump] / muttjump

diff --git a/muttjump b/muttjump
index 3cdb6ed10bc25e49463b17864a905985518da7ed..2062ac55672289549a3bfb4d350d63911e3bd1e1 100755 (executable)
--- a/muttjump
+++ b/muttjump
@@ -43,6 +43,10 @@ if ! type MUTTJUMP_SCREEN_WINDOW_NAME_MANGLE >/dev/null 2>&1 ; then
     }
 fi
 
+# Version of GNU screen
+# Since 4.01.00 (commit d87a0d8) backslash handling was altered.
+MUTTJUMP_SCREEN_VERSION=${MUTTJUMP_SCREEN_VERSION:-auto}
+
 # program paths
 MUTT=${MUTT:-mutt}
 MAIRIX=${MAIRIX:-mairix}
@@ -75,6 +79,14 @@ function wc_L () {
     awk '{ y = length(); if (y > x) x = y } END { print x }'
 }
 
+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
@@ -216,43 +228,42 @@ fi
 
 msgid_mutt=$(quote_regexp "$msgid_quoted")
 jump_expr="~i'$msgid_mutt'"
+jump_cmd="<limit>$jump_expr<enter>"
+if [ "$MUTTJUMP_MODE" = search ] ; then
+    jump_cmd="$jump_cmd<limit>all<enter>"
+fi
 
-if [ "$MUTTJUMP_MULTI_SCREEN_MODE" = no ] ; then
-
-    jump_cmd="<limit>$jump_expr<enter>"
-    if [ "$MUTTJUMP_MODE" = search ] ; then
-        jump_cmd="$jump_cmd<limit>all<enter>"
-    fi
-
-    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")
-        else
-            reopen_tty
+screen_opts=()
+if [ "$MUTTJUMP_USE_SCREEN" = yes ] ; then
+    if [ -n "$STY" ] ; then
+        screen_opts=("-X" "screen")
+        if is_new_screen ; then
+            jump_cmd=${jump_cmd/\\/\\\\\\}
         fi
-        screen_window_name=$(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 \"$jump_cmd\""
-
+    screen_window_name=$(MUTTJUMP_SCREEN_WINDOW_NAME_MANGLE "$orig_maildir")
+    screen_opts=("${screen_opts[@]}" "-t" "$screen_window_name")
 else
+    SCREEN=""
+    reopen_tty
+fi
 
-    jump_cmd="l$jump_expr\r"
-    if [ "$MUTTJUMP_MODE" = search ] ; then
-        jump_cmd="${jump_cmd}lall\r"
+if [ "$MUTTJUMP_MULTI_SCREEN_MODE" = yes -a -n "$STY" ] ; then
+    if is_new_screen ; then
+        $SCREEN -X -p "$screen_window_name" -Q select "$screen_window_name" >/dev/null
+    fi
+    if [ $? = 0 ] ; then
+        $SCREEN -X -p "$screen_window_name" stuff ":push \"$jump_cmd\"\r"
+        exit 0
     fi
-
-    screen_window_name=$(MUTTJUMP_SCREEN_WINDOW_NAME_MANGLE "$orig_maildir")
-
-    $SCREEN -p "$screen_window_name" -X eval "select '$screen_window_name'" "stuff \"$jump_cmd\""
 fi
+
+# start mutt, open original folder and jump to the original message
+$SCREEN "${screen_opts[@]}" $MUTT -f "$orig_maildir" -e "push \"$jump_cmd\""