From d8791352005e2aaed098b93614aa10df241c4e15 Mon Sep 17 00:00:00 2001
From: "martin f. krafft" <madduck@madduck.net>
Date: Wed, 19 Dec 2018 12:42:23 +0100
Subject: [PATCH] improved handling of attachments with spaces in filenames

---
 .mutt/bgrun                 | 27 ++++++++++++++++++++-------
 .mutt/mailcap.backgrounding |  4 ++--
 2 files changed, 22 insertions(+), 9 deletions(-)

diff --git a/.mutt/bgrun b/.mutt/bgrun
index 6e16630..4dcd3e2 100755
--- a/.mutt/bgrun
+++ b/.mutt/bgrun
@@ -37,21 +37,34 @@ launch_viewer() {
   run-mailcap --action=view "$1":"$2" > output.stdout 2> output.stderr
 }
 
-MIMETYPE="$1"
-TEMPFILE=$(tempfile -d . -p mutt -s $(guess_extension "$MIMETYPE"))
+MIMETYPE="$1"; shift
+
+get_file() {
+  local t
+  if [ -z "$1" ]; then
+    t=$(tempfile -d . -p mutt -s $(guess_extension "$MIMETYPE"))
+    cat > "$t"
+    echo "$t"
+  else
+    t="$(echo ${1##*/} | sed -re 's![^[:alnum:],.:@%^+=_-]!_!gi')"
+    cp "$1" "$t"
+    echo "$t"
+  fi
+}
 
 case "$SELF" in
   (bgrun)
     # make a copy of the file, then launch a shell process in the background
     # to divert to run-mailcap, after which the temporary directory gets
     # cleaned up.
-    cat > "$TEMPFILE"
+    FILE="$(get_file "${1:-}")"
     (
-    launch_viewer "$MIMETYPE" "$TEMPFILE"
+      launch_viewer "$MIMETYPE" "$FILE"
       if [ -s "$TMPDIR/output.stdout" ] || [ -s "$TMPDIR/output.stderr" ]; then
         notify $TMPDIR/output.stdout $TMPDIR/output.stderr \
           "Output from mutt/$SELF on $BASENAME"
       fi
+      sleep 1
       cleanup
     ) &
     trap - 1 2 3 4 5 6 7 8 10 11 12 13 14 15
@@ -60,10 +73,10 @@ case "$SELF" in
     # hack to stay around until the viewer has read the file: make a fifo and
     # wait for the cat process to finish writing to it, which means that it
     # must have been consumed on the other end.
-    cat > "$TEMPFILE"
-    FIFO="${TEMPFILE%/*}/fifo-${TEMPFILE##*/}"
+    FILE="$(get_file "${1:-}")"
+    FIFO="${FILE%/*}/fifo-${FILE##*/}"
     mkfifo "$FIFO"
-    cat "$TEMPFILE" > "$FIFO" &
+    cat "$FILE" > "$FIFO" &
     # For some reason, we do have to write a tempfile and cannot seem to
     # redirect stdin directly to the fifo, i.e. this does not work instead of
     # the previous three lines:
diff --git a/.mutt/mailcap.backgrounding b/.mutt/mailcap.backgrounding
index 3e12f18..c7fc895 100644
--- a/.mutt/mailcap.backgrounding
+++ b/.mutt/mailcap.backgrounding
@@ -2,6 +2,6 @@
 # Mutt mailcap for backgrounding 
 
 text/html; ~/.mutt/bgrun-fifo %t; description=Open file in browser via FIFO
-application/*; ~/.mutt/bgrun %t; description=Backgrounded run of run-mailcap
-image/*; ~/.mutt/bgrun %t; description=Backgrounded run of run-mailcap
+application/*; ~/.mutt/bgrun %t %s; description=Backgrounded run of run-mailcap
+image/*; ~/.mutt/bgrun %t %s; description=Backgrounded run of run-mailcap
 #multipart/related; ~/.mutt/viewmailattachments; description=Backgrounded loading of HTML message with related parts
-- 
2.39.5