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[etc/mutt.git] / .mutt / bgrun
1 #!/bin/sh
2
3 SELF="${0##*/}"
4
5 if [ -z "$TMPDIR" ]; then
6   TMPDIR=/tmp
7 elif [ -d "${TMPDIR}/volatile" ]; then
8   TMPDIR="${TMPDIR}/volatile"
9 fi
10 export TMPDIR
11 TMPDIR=$(mktemp -dp "$TMPDIR" mutt.XXXXXXXXXX)
12 cleanup() { cd / && rm -rf "$TMPDIR"; }
13 trap cleanup 1 2 3 4 5 6 7 8 10 11 12 13 14 15
14
15 cd "$TMPDIR"
16
17 notify() {
18   if [ -x "$(command -v awesome-client)" ]; then
19     awesome-client <<-_eof
20         local naughty = require("naughty")
21         naughty.notify({ preset = naughty.config.presets.low,
22                 title  = "$3",
23                 text   = [[stdout:
24                 $(sed -e 's,\",\\\",g' "$1")
25                 stderr:
26                 $(sed -e 's,\",\\\",g' "$2")]]
27                 })
28         _eof
29   fi
30 }
31
32 guess_extension() {
33   python -c "import mimetypes; print(mimetypes.guess_extension('$1'))"
34 }
35
36 launch_viewer() {
37   run-mailcap --action=view "$1":"$2" > output.stdout 2> output.stderr
38 }
39
40 case "$SELF" in
41   (bgrun)
42     # make a copy of the file, then launch a shell process in the background
43     # to divert to run-mailcap, after which the temporary directory gets
44     # cleaned up.
45     MIMETYPE="$1"
46     TEMPFILE=$(tempfile -d . -p mutt -s $(guess_extension "$MIMETYPE"))
47     cat > "$TEMPFILE"
48     (
49     launch_viewer "$MIMETYPE" "$TEMPFILE"
50       if [ -s "$TMPDIR/output.stdout" ] || [ -s "$TMPDIR/output.stderr" ]; then
51         notify $TMPDIR/output.stdout $TMPDIR/output.stderr \
52           "Output from mutt/$SELF on $BASENAME"
53       fi
54       cleanup
55     ) &
56     trap - 1 2 3 4 5 6 7 8 10 11 12 13 14 15
57     ;;
58   (browserrun)
59     # hack to stay around until the browser has read the file: make a fifo and
60     # wait for the cat process to finish writing to it, which means that it
61     # must have been consumed on the other end.
62     mkfifo mutt.html
63     TEMPFILE=$(tempfile -d . -p mutt -s .html)
64     cat > "$TEMPFILE"
65     cat "$TEMPFILE" > mutt.html &
66     # For some reason, we do have to write a tempfile and cannot seem tu
67     # redirect stdin directly to the fifo, i.e. this does not work instead of
68     # the previous three lines:
69     ## cat > mutt.html &
70     launch_viewer text/html ${PWD}/mutt.html
71     wait
72     cleanup
73     ;;
74 esac