feat: open attachments with ctrl-o

src/main.sh

@@ -64,11 +64,58 @@ if [ "${1:-}" = "--view-source" ]; then
   exit
 fi
 
+if [ "${1:-}" = "--show-message-parts" ]; then
+  shift
+  messageid="$1"
+  nm_message_parts "$messageid"
+  exit
+fi
+
 # FZF default configs
 FZF_DEFAULT_PREVIEW_WINDOW="right,80,border-line,wrap-word"
 FZF_ALTERNATE_PREVIEW_WINDOW="bottom,80%,border-line,wrap-word"
 FZF_DEFAULT_THREAD_LINE="{1}  {3} ({4})"
 
+if [ "${1:-}" = "--open-part" ]; then
+  shift
+  messageid="$1"
+  res=$(nm_message_parts "$messageid" | awk '{print NR"\t"$0}' | $FZF \
+    --raw \
+    --reverse \
+    --wrap=word \
+    --delimiter="$(printf '\t')" \
+    --with-nth=2 \
+    --accept-nth=1 \
+    --margin='30%' \
+    --bind='ctrl-d:half-page-down,ctrl-u:half-page-up' \
+    --bind='page-up:preview-half-page-up,page-down:preview-half-page-down' \
+    --bind="ctrl-h,backward-eof:abort" || true)
+  [ "$res" ] || exit
+  tmpfile=$(mktemp)
+  nm_message_get_part "$messageid" "$res" > "$tmpfile"
+  file "$tmpfile"
+  while true; do
+    printf "Are you sure you want to open \"%s\"? (yes/no): " "$tmpfile" >/dev/tty
+    read -r yn
+    case $yn in
+    "yes")
+      open "$tmpfile" >/dev/null 2>/dev/stdout
+      printf "Press <enter> to continue." >/dev/tty
+      read -r tmp
+      break
+      ;;
+    "no")
+      break
+      ;;
+    *)
+      echo "Please answer \"yes\" or \"no\"." >/dev/tty
+      ;;
+    esac
+  done
+  rm -f "$tmpfile"
+  exit
+fi
+
 if [ "${1:-}" = "--show-thread" ]; then
   shift
   thread="$1"
@@ -88,7 +135,8 @@ if [ "${1:-}" = "--show-thread" ]; then
     --bind="alt-/:change-preview-window($FZF_ALTERNATE_PREVIEW_WINDOW|$FZF_DEFAULT_PREVIEW_WINDOW)" \
     --bind="alt-v:execute:$0 --view-source {5}" \
     --bind="alt-h:change-preview:$0 --preview-html-message {5}" \
-    --bind="focus:change-preview:$0 --preview-message {5}" \
+    --bind="focus:change-preview($0 --preview-message {5})+transform-footer:printf '\033[4mMesssage parts\033[0m\n';$0 --show-message-parts {5}" \
+    --bind="ctrl-o:execute:$0 --open-part {5}" \
     --preview="$0 --preview-message {5}" \
     --preview-window="$FZF_DEFAULT_PREVIEW_WINDOW" || true)
   exit