bugfix: inverted preview keys

.gitignore

@@ -1 +1,2 @@
 nmf
+.tags

scripts/build.sh

@@ -7,15 +7,16 @@ NAME="nmf"
 SRC="./src/main.sh"
 
 tmpdir=$(mktemp -d)
-echo "🥚 ${GREEN}Internalize sourced files${OFF}"
+[ "${1:-}" ] || echo "🥚 ${GREEN}Internalize sourced files${OFF}"
 sed -E 's|\. "([^$].+)"$|cat src/\1|e' "$SRC" >"$tmpdir/1.sh"
-echo "🐔 ${GREEN}Internalize awk scripts${OFF}"
+[ "${1:-}" ] || echo "🐔 ${GREEN}Internalize awk scripts${OFF}"
 sed -E 's|@@include (.+)$|cat src/\1|e' "$tmpdir/1.sh" >"$tmpdir/2.sh"
-echo "🥚 ${GREEN}Internalize awk libraries${OFF}"
+[ "${1:-}" ] || echo "🥚 ${GREEN}Internalize awk libraries${OFF}"
 sed -E 's|@include "(.+)"$|cat src/\1|e' "$tmpdir/2.sh" >"$tmpdir/3.sh"
-echo "🐔 ${GREEN}Strip comments${OFF}"
+[ "${1:-}" ] || echo "🐔 ${GREEN}Strip comments${OFF}"
 grep -v "^ *# " "$tmpdir/3.sh" | grep -v "^ *#$" >"$NAME"
-echo "🥚 ${GREEN}Make executable and cleanup${OFF}"
+[ "${1:-}" ] || echo "🥚 ${GREEN}Make executable and cleanup${OFF}"
 chmod +x "$NAME"
 rm -rf "$tmpdir"
-echo "🍳 ${GREEN}Done:${OFF} Sucessfully built ${BOLD}${GREEN}$NAME${OFF}"
+[ "${1:-}" ] || echo "🍳 ${GREEN}Done:${OFF} Sucessfully built ${BOLD}${GREEN}$NAME${OFF}"
+[ "${1:-}" ] && shellcheck -f gcc "$NAME"

src/main.sh

@@ -5,6 +5,12 @@ set -eu
 # Application info
 . "sh/info.sh"
 
+# helper functions
+. "sh/helper.sh"
+
+# tools
+. "sh/tools.sh"
+
 # Configuration
 . "sh/config.sh"
 
@@ -14,9 +20,6 @@ set -eu
 # awk scripts
 . "sh/awk.sh"
 
-# tools
-. "sh/tools.sh"
-
 # query history
 . "sh/history.sh"
 
@@ -29,6 +32,32 @@ set -eu
 # preview functions
 . "sh/preview.sh"
 
+# varia functions
+. "sh/varia.sh"
+
+# tags
+. "sh/tags.sh"
+
+# keys
+. "sh/keys.sh"
+
+# send emails
+. "sh/send.sh"
+
+if [ "${1:-}" = "--list-threads" ]; then
+  shift
+  nmquery="$1"
+  list_threads "$nmquery"
+  exit
+fi
+
+if [ "${1:-}" = "--list-messages-in-thread" ]; then
+  shift
+  thread="$1"
+  list_messages_in_thread "$thread"
+  exit
+fi
+
 if [ "${1:-}" = "--preview-thread" ]; then
   shift
   threadid="$1"
@@ -60,7 +89,7 @@ fi
 if [ "${1:-}" = "--view-source" ]; then
   shift
   messageid="$1"
-  less $($NOTMUCH search --output=files id:$messageid)
+  $NOTMUCH show --part=0 id:"$messageid" | $CATEMAIL | less
   exit
 fi
 
@@ -71,7 +100,7 @@ if [ "${1:-}" = "--show-message-parts" ]; then
   exit
 fi
 
-# FZF default configs
+# FZF defaults
 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})"
@@ -87,35 +116,114 @@ if [ "${1:-}" = "--open-part" ]; then
     --with-nth=2 \
     --accept-nth=1 \
     --margin='30%' \
-    --bind='ctrl-d:half-page-down,ctrl-u:half-page-up' \
-    --bind='page-up:preview-half-page-up,page-down:preview-half-page-down' \
-    --bind="ctrl-h,backward-eof:abort" || true)
+    --bind='change:best' \
+    --bind="$KEYS_DOWN_HP:half-page-down" \
+    --bind="$KEYS_UP_HP:half-page-up" \
+    --bind="$KEYS_ENTER:accept" \
+    --bind="$KEYS_BACK,$KEYS_CANCEL,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 $yn in
-    "yes")
+  if ynprompt "Are you sure you want to open this file?" "$(ls -lh "$tmpfile")\n$(file -b "$tmpfile")"; then
+    # TODO: should we clean up at some point?
     open "$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"
+  fi
   exit
 fi
 
+if [ "${1:-}" = "--archive" ]; then
+  shift
+  [ "$1" = "thread" ] && thread=1
+  shift
+  [ "${thread:-}" ] && field="thread" || field="id"
+  query="$(echo " $*" | sed "s/\s\(\S\)/ $field:\1/g")"
+  tagmod="$(echo " $TAG_INBOX $TAGS_NEW" | sed "s/\s\(\S\)/ -\1/g")"
+  $NOTMUCH tag $tagmod "$query"
+  exit
+fi
+
+if [ "${1:-}" = "--delete" ]; then
+  shift
+  [ "$1" = "thread" ] && thread=1
+  shift
+  [ "${thread:-}" ] && field="thread" || field="id"
+  query="$(echo " $*" | sed "s/\s\(\S\)/ $field:\1/g")"
+  $NOTMUCH tag -$TAG_INBOX +$TAG_DEL "$query"
+  exit
+fi
+
+if [ "${1:-}" = "--undelete" ]; then
+  shift
+  query="$(echo " $*" | sed "s/\s\(\S\)/ thread:\1/g")"
+  $NOTMUCH tag -$TAG_DEL "$query"
+  exit
+fi
+
+if [ "${1:-}" = "--flag" ]; then
+  shift
+  [ "$1" = "thread" ] && thread=1
+  shift
+  [ "${thread:-}" ] && field="thread" || field="id"
+  query="$(echo " $*" | sed "s/\s\(\S\)/ $field:\1/g")"
+  $NOTMUCH tag +"$TAG_FLAGGED" "$query"
+  exit
+fi
+
+if [ "${1:-}" = "--unflag" ]; then
+  shift
+  [ "$1" = "thread" ] && thread=1
+  shift
+  [ "${thread:-}" ] && field="thread" || field="id"
+  query="$(echo " $*" | sed "s/\s\(\S\)/ $field:\1/g")"
+  $NOTMUCH tag -"$TAG_FLAGGED" "$query"
+  exit
+fi
+
+
+if [ "${1:-}" = "--purge" ]; then
+  shift
+  query="tag:$TAG_DEL and ($(echo " $*" | sed "s/\s\(\S\)/ thread:\1/g"))"
+  files=$(nm_files_all "$query")
+  if ynprompt "Are you sure you want to purge these files?" "$files"; then
+    printf '%s' "$files" | xargs -d "\n" rm
+    nm_new
+  fi
+  exit
+fi
+
+if [ "${1:-}" = "--tag-modify" ]; then
+  shift
+  [ "$1" = "thread" ] && thread=1
+  shift
+  [ "$1" = "add" ] && sign=+ || sign=-
+  shift
+  [ "${thread:-}" ] && field="thread" || field="id"
+  query="$(echo " $*" | sed "s/\s\(\S\)/ $field:\1/g")"
+  if [ "$sign" = "+" ]; then
+    tagquery=""
+    label_text="Add tag"
+  else
+    tagquery="$query"
+    label_text="Remove tag"
+  fi
+  res=$(list_tags "$tagquery" | $FZF \
+    --color="border:$ANSICOLORTAGS" \
+    --color="label:$ANSICOLORTAGS" \
+    --tac \
+    --bind="$KEYS_DOWN_HP:half-page-down" \
+    --bind="$KEYS_UP_HP:half-page-up" \
+    --bind="$KEYS_BACK,$KEYS_CANCEL,backward-eof:abort" \
+    --bind="$KEYS_ENTER:accept-or-print-query" \
+    --bind="$KEYS_ENTER_ALTERNATIVE:transform:echo \"print(\$FZF_QUERY)+accept\"" \
+    --margin='20%' \
+    --border=double \
+    --border-label="  $label_text  " | head -1 || true)
+  [ "$res" ] || exit
+  $NOTMUCH tag "$sign$res" "$query"
+  exit
+fi
+
+
 if [ "${1:-}" = "--show-thread" ]; then
   shift
   thread="$1"
@@ -125,23 +233,159 @@ if [ "${1:-}" = "--show-thread" ]; then
     --multi \
     --delimiter="$(printf '\t')" \
     --with-nth="$FZF_DEFAULT_THREAD_LINE" \
-    --bind="alt-s:change-with-nth({1}  {2} {3} ({4})|$FZF_DEFAULT_THREAD_LINE)" \
     --accept-nth=5 \
-    --bind='alt-j:preview-down,alt-k:preview-up' \
-    --bind='ctrl-d:half-page-down,ctrl-u:half-page-up' \
-    --bind='page-up:preview-half-page-up,page-down:preview-half-page-down' \
-    --bind="enter:" \
-    --bind="ctrl-h,backward-eof:abort" \
-    --bind="alt-/:change-preview-window($FZF_ALTERNATE_PREVIEW_WINDOW|$FZF_DEFAULT_PREVIEW_WINDOW)" \
-    --bind="alt-v:execute:$0 --view-source {5}" \
-    --bind="alt-h:change-preview:$0 --preview-html-message {5}" \
+    --bind="$KEYS_CANCEL:transform:[ \$FZF_SELECT_COUNT -gt 0 ] && echo clear-multi || echo abort" \
+    --bind="$KEYS_PREVIEW_DOWN:preview-down" \
+    --bind="$KEYS_PREVIEW_UP:preview-up" \
+    --bind="$KEYS_PREVIEW_DOWN_HP:preview-half-page-down" \
+    --bind="$KEYS_PREVIEW_UP_HP:preview-half-page-up" \
+    --bind="$KEYS_CYCLE_DISPLAY:change-with-nth({1}  {2} {3} ({4})|$FZF_DEFAULT_THREAD_LINE)" \
+    --bind="$KEYS_DOWN_HP:half-page-down" \
+    --bind="$KEYS_UP_HP:half-page-up" \
+    --bind="$KEYS_ENTER:" \
+    --bind="$KEYS_BACK,$KEYS_CANCEL,backward-eof:abort" \
+    --bind="$KEYS_PREVIEW_TOGGLE_SIZE:change-preview-window($FZF_ALTERNATE_PREVIEW_WINDOW|$FZF_DEFAULT_PREVIEW_WINDOW)" \
+    --bind="$KEYS_VIEW_SOURCE:execute:$0 --view-source {5}" \
+    --bind="$KEYS_HTML_PREVIEW:change-preview:$0 --preview-html-message {5}" \
+    --bind="$KEYS_TAG_ADD:execute($0 --tag-modify message add {+5})+reload:$0 --list-messages-in-thread \"$thread\"" \
+    --bind="$KEYS_TAG_REMOVE:execute($0 --tag-modify message del {+5})+reload:$0 --list-messages-in-thread \"$thread\"" \
+    --bind="$KEYS_ARCHIVE:execute($0 --archive message {+5})+reload:$0 --list-messages-in-thread \"$thread\"" \
+    --bind="$KEYS_DELETE:execute($0 --delete message {+5})+reload:$0 --list-messages-in-thread \"$thread\"" \
+    --bind="$KEYS_OPEN:execute:$0 --open-part {5}" \
+    --bind="$KEYS_FLAG:execute($0 --flag message {+5})+reload:$0 --list-messages-in-thread \"$thread\"" \
+    --bind="$KEYS_UNFLAG:execute($0 --unflag message {+5})+reload:$0 --list-messages-in-thread \"$thread\"" \
+    --bind="$KEYS_REPLY:execute:$0 --reply message {5}" \
+    --bind="$KEYS_VIEW_LOGS:execute:$0 --view-logs" \
+    --bind="$KEYS_COMPOSE:execute:$0 --compose" \
     --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
 fi
 
+if [ "${1:-}" = "--list-deleted" ]; then
+  shift
+  list_threads "tag:$TAG_DEL" | $FZF \
+    --header-first \
+    --margin='5%' \
+    --header='DELETED MESSAGES' \
+    --footer="$KEYS_PURGE_ALL: purge ALL threads / $KEYS_DELETE: purge selected threads / $KEYS_ENTER_ALTERNATIVE: undelete selected threads" \
+    --border='double' \
+    --color="header:red:bold:underline,border:red,selected-bg:88" \
+    --tiebreak=index \
+    --reverse \
+    --multi \
+    --delimiter="$(printf '\t')" \
+    --with-nth='{1}  {2} ({3})' \
+    --bind="$KEYS_CANCEL:transform:[ \$FZF_SELECT_COUNT -gt 0 ] && echo clear-multi || echo abort" \
+    --bind="$KEYS_DOWN_HP:half-page-down" \
+    --bind="$KEYS_UP_HP:half-page-up" \
+    --bind="$KEYS_ENTER:" \
+    --bind="$KEYS_PURGE_ALL:select-all+execute($0 --purge {+4})+reload:$0 --list-threads \"tag:$TAG_DEL\"" \
+    --bind="$KEYS_DELETE:execute($0 --purge {+4})+reload:$0 --list-threads \"tag:$TAG_DEL\"" \
+    --bind="$KEYS_ENTER_ALTERNATIVE:execute($0 --undelete {+4})+reload:$0 --list-threads \"tag:$TAG_DEL\"" \
+    --bind="$KEYS_VIEW_LOGS:execute:$0 --view-logs"
+  exit
+fi
+
+if [ "${1:-}" = "--compose" ]; then
+  label_text="  Select sender  "
+  address=$(list_addresses | $FZF \
+    --delimiter="$(printf '\t')" \
+    --with-nth=2 \
+    --accept-nth=1 \
+    --color="label:$ANSICOLORFROM" \
+    --tiebreak=index \
+    --margin='20%' \
+    --bind="$KEYS_DOWN_HP:half-page-down" \
+    --bind="$KEYS_UP_HP:half-page-up" \
+    --bind="$KEYS_ENTER:accept-or-print-query" \
+    --bind="$KEYS_ENTER_ALTERNATIVE:transform:echo \"print(\$FZF_QUERY)+accept\"" \
+    --bind="$KEYS_CANCEL:print()+accept" \
+    --border=double \
+    --border-label="$label_text" | head -1 || true)
+  tmpfile=$(mktemp --suffix='.eml')
+  {
+    echo "From: $PRIMARY_NAME <$PRIMARY_EMAIL>"
+    echo "To: $address"
+    echo "Cc: "
+    [ "$BCC_TO_SELF" ] && echo "Bcc: $PRIMARY_NAME <$PRIMARY_EMAIL>"
+    echo "Subject: "
+    echo ""
+    echo "Message body goes here"
+  } > "$tmpfile"
+  $EDITOR "$tmpfile"
+  # Confirm and send
+  send "$tmpfile"
+  rm -f "$tmpfile"
+  exit
+fi
+
+if [ "${1:-}" = "--reply" ]; then
+  shift
+  [ "$1" = "thread" ] && thread=1
+  shift
+  [ ! "${thread:-}" ] && messageid="$1" || messageid="$(nm_last_message_in_thread "$1")"
+  tmpfile=$(mktemp --suffix='.eml')
+  if [ "$BCC_TO_SELF" ]; then
+    $NOTMUCH reply id:"$messageid" |
+      awk '!f && /^From:/ { print "Bcc: "substr($0, 7); f=1 } {print}' > "$tmpfile"
+  else
+    $NOTMUCH reply id:"$messageid" > "$tmpfile"
+  fi
+  $EDITOR "$tmpfile"
+  # Confirm and send
+  send "$tmpfile"
+  rm -f "$tmpfile"
+  exit
+fi
+
+if [ "${1:-}" = "--sync" ]; then
+  $NOTMUCH new && $MBSYNC -a && $NOTMUCH new
+  exit
+fi
+
+if [ "${1:-}" = "--send-test-email" ]; then
+  tmpfile=$(mktemp --suffix='.eml')
+  {
+    echo "From: $PRIMARY_NAME <$PRIMARY_EMAIL>"
+    echo "To: $PRIMARY_NAME <$PRIMARY_EMAIL>"
+    [ "$BCC_TO_SELF" ] && echo "Bcc: $PRIMARY_NAME <$PRIMARY_EMAIL>"
+    echo "Subject: Test E-Mail from $APP_NAME version $APP_VERSION"
+    echo ""
+    echo "This is a test email sent from from [$APP_NAME]($APP_WEBSITE)."
+  } > "$tmpfile"
+  send "$tmpfile" "force"
+  rm -f "$tmpfile"
+  exit
+fi
+
+if [ "${1:-}" = "--view-logs" ]; then
+  shift
+  printf "0 Send test message\n1 Close\n" |
+    $FZF \
+    --sync \
+    --bind='start:pos(2)' \
+    --bind='ctrl-c,ctrl-g,ctrl-q,esc:pos(2)+accept' \
+    --bind="enter:transform: [ {1} = 0 ] && $0 --send-test-email || echo accept" \
+    --reverse \
+    --no-input \
+    --header="Here are the latest SMTP logs" \
+    --preview-window='60%,border-line,wrap-word,follow,noinfo' \
+    --margin='5%,5%,5%,15%' \
+    --preview="tail -f \"$SMTPLOGFILE\" | $CATLOG" \
+    --with-nth=2.. \
+    --accept-nth=1 \
+    --header-border='line' \
+    --color='border:yellow,header:yellow' || true
+  exit
+fi
+
+# Set terminal title
+if [ "$SET_TERMINAL_TITLE" = "yes" ]; then
+  printf '\033]0;%s\007' "$WINDOW_TITLE"
+fi
+
 # Modes
 APPEND="append"
 NWSRCH="search"
@@ -150,30 +394,54 @@ ADDRESS_TO="to-"
 ADDRESS_FROM="from-"
 CMD_SEARCH_ADDRESS="address-"
 CMD_EDIT_QUERY="edit-query"
+CMD_GOTO_INBOX="go-to-inbox"
+CMD_GOTO_UNREAD="go-to-unread"
+CMD_GOTO_FLAGGED="go-to-flagged"
 
 while true; do
-  nmquery="${nmquery:-tag:inbox}"
+  nmquery="${nmquery:-tag:$TAG_INBOX}"
   [ "$(tail -1 "$NMFHIST")" = "$nmquery" ] || echo "$nmquery" >> "$NMFHIST"
   cmd=$(list_threads "$nmquery" | $FZF \
+    --no-clear \
+    --header-first \
     --header="Query: $nmquery" \
     --tiebreak=index \
     --reverse \
     --multi \
     --delimiter="$(printf '\t')" \
     --with-nth="{1}  {2} ({3})" \
-    --bind="alt-t:print($CMD_SEARCH_TAG$NWSRCH)+accept" \
-    --bind="alt-T:print($CMD_SEARCH_TAG$APPEND)+accept" \
-    --bind="alt-s:print($CMD_SEARCH_ADDRESS$ADDRESS_FROM$NWSRCH)+accept" \
-    --bind="alt-S:print($CMD_SEARCH_ADDRESS$ADDRESS_FROM$APPEND)+accept" \
-    --bind="alt-r:print($CMD_SEARCH_ADDRESS$ADDRESS_TO$NWSRCH)+accept" \
-    --bind="alt-R:print($CMD_SEARCH_ADDRESS$ADDRESS_TO$APPEND)+accept" \
-    --bind="alt-q:print($CMD_EDIT_QUERY)+accept" \
-    --bind='alt-j:preview-down,alt-k:preview-up' \
-    --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="enter,ctrl-l:execute:$0 --show-thread {4}" \
-    --bind="alt-/:change-preview-window($FZF_ALTERNATE_PREVIEW_WINDOW|$FZF_DEFAULT_PREVIEW_WINDOW)" \
-    --bind="alt-h:change-preview:$0 --preview-html-thread {4}" \
+    --bind="$KEYS_SEARCH_TAG_REPLCE:print($CMD_SEARCH_TAG$NWSRCH)+accept" \
+    --bind="$KEYS_SEARCH_TAG_APPEND:print($CMD_SEARCH_TAG$APPEND)+accept" \
+    --bind="$KEYS_SEARCH_FROM_REPLCE:print($CMD_SEARCH_ADDRESS$ADDRESS_FROM$NWSRCH)+accept" \
+    --bind="$KEYS_SEARCH_FROM_APPEND:print($CMD_SEARCH_ADDRESS$ADDRESS_FROM$APPEND)+accept" \
+    --bind="$KEYS_SEARCH_TO_REPLCE:print($CMD_SEARCH_ADDRESS$ADDRESS_TO$NWSRCH)+accept" \
+    --bind="$KEYS_SEARCH_TO_APPEND:print($CMD_SEARCH_ADDRESS$ADDRESS_TO$APPEND)+accept" \
+    --bind="$KEYS_SEARCH_EDIT_QUERY:print($CMD_EDIT_QUERY)+accept" \
+    --bind="$KEYS_PREVIEW_DOWN:preview-down" \
+    --bind="$KEYS_PREVIEW_UP:preview-up" \
+    --bind="$KEYS_PREVIEW_DOWN_HP:preview-half-page-down" \
+    --bind="$KEYS_PREVIEW_UP_HP:preview-half-page-up" \
+    --bind="$KEYS_CANCEL:clear-multi" \
+    --bind="$KEYS_ENTER:execute($0 --show-thread {4})+reload:$0 --list-threads \"$nmquery\"" \
+    --bind="$KEYS_DOWN_HP:half-page-down" \
+    --bind="$KEYS_UP_HP:half-page-up" \
+    --bind="$KEYS_PREVIEW_TOGGLE_SIZE:change-preview-window($FZF_ALTERNATE_PREVIEW_WINDOW|$FZF_DEFAULT_PREVIEW_WINDOW)" \
+    --bind="$KEYS_HTML_PREVIEW:change-preview:$0 --preview-html-thread {4}" \
+    --bind="$KEYS_TAG_ADD:execute($0 --tag-modify thread add {+4})+reload:$0 --list-threads \"$nmquery\"" \
+    --bind="$KEYS_TAG_REMOVE:execute($0 --tag-modify thread del {+4})+reload:$0 --list-threads \"$nmquery\"" \
+    --bind="$KEYS_ARCHIVE:execute($0 --archive thread {+4})+reload:$0 --list-threads \"$nmquery\"" \
+    --bind="$KEYS_DELETE:execute($0 --delete thread {+4})+reload:$0 --list-threads \"$nmquery\"" \
+    --bind="$KEYS_FLAG:execute($0 --flag thread {+4})+reload:$0 --list-threads \"$nmquery\"" \
+    --bind="$KEYS_UNFLAG:execute($0 --unflag thread {+4})+reload:$0 --list-threads \"$nmquery\"" \
+    --bind="$KEYS_SEARCH_DELETED:execute:$0 --list-deleted" \
+    --bind="$KEYS_SEARCH_INBOX:print($CMD_GOTO_INBOX)+accept" \
+    --bind="$KEYS_SEARCH_UNREAD:print($CMD_GOTO_UNREAD)+accept" \
+    --bind="$KEYS_SEARCH_FLAGGED:print($CMD_GOTO_FLAGGED)+accept" \
+    --bind="$KEYS_VIEW_LOGS:execute:$0 --view-logs" \
+    --bind="$KEYS_REPLY:execute:$0 --reply thread {4}" \
+    --bind="$KEYS_SYNC:execute($0 --sync)+reload:$0 --list-threads \"$nmquery\"" \
+    --bind="$KEYS_COMPOSE:execute:$0 --compose" \
+    --bind="$KEYS_GOTO_FIRST:first" \
     --bind="focus:change-preview:$0 --preview-thread {4}" \
     --preview="$0 --preview-thread {4}" \
     --preview-window="$FZF_DEFAULT_PREVIEW_WINDOW" | head -1 || true)
@@ -184,11 +452,13 @@ while true; do
 	--color="border:$ANSICOLORTAGS" \
 	--color="label:$ANSICOLORTAGS" \
 	--tac \
-	--bind='ctrl-d:half-page-down,ctrl-u:half-page-up' \
 	--margin='20%' \
-	--bind='enter:accept-or-print-query' \
+	--bind="$KEYS_DOWN_HP:half-page-down" \
+	--bind="$KEYS_UP_HP:half-page-up" \
+	--bind="$KEYS_ENTER:accept-or-print-query" \
+	--bind="$KEYS_ENTER_ALTERNATIVE:transform:echo \"print(\$FZF_QUERY)+accept\"" \
 	--border=double \
-	--border-label="  Select tag  " || true)
+	--border-label="  Select tag  " | head -1 || true)
       [ -n "$tag" ] || continue
       [ "$cmd" = "$CMD_SEARCH_TAG$APPEND" ] && nmquery="$nmquery and tag:$tag" || nmquery="tag:$tag"
       ;;
@@ -204,14 +474,18 @@ while true; do
 	  ;;
       esac
       address=$(list_addresses | $FZF \
-	--color="border:$ANSICOLORFROM" \
+	--delimiter="$(printf '\t')" \
+	--with-nth=2 \
+	--accept-nth=1 \
 	--color="label:$ANSICOLORFROM" \
 	--tiebreak=index \
-	--bind='ctrl-d:half-page-down,ctrl-u:half-page-up' \
 	--margin='20%' \
-	--bind='enter:accept-or-print-query' \
+	--bind="$KEYS_DOWN_HP:half-page-down" \
+	--bind="$KEYS_UP_HP:half-page-up" \
+	--bind="$KEYS_ENTER:accept-or-print-query" \
+	--bind="$KEYS_ENTER_ALTERNATIVE:transform:echo \"print(\$FZF_QUERY)+accept\"" \
 	--border=double \
-	--border-label="$label_text" || true)
+	--border-label="$label_text" | head -1 || true)
       [ -n "$address" ] || continue
       case "$cmd" in
 	*$APPEND)
@@ -227,16 +501,21 @@ while true; do
 	--color="border:$ANSICOLORSUBJ" \
 	--color="label:$ANSICOLORSUBJ" \
 	--tac \
-	--bind='ctrl-d:half-page-down,ctrl-u:half-page-up' \
 	--margin='20%' \
 	--query="$nmquery" \
 	--disabled \
 	--print-query \
 	--prompt="Query: " \
 	--bind='focus:replace-query' \
+	--bind="$KEYS_DOWN_HP:half-page-down" \
+	--bind="$KEYS_UP_HP:half-page-up" \
+	--bind="$KEYS_ENTER:accept" \
 	--border=double \
 	--border-label='  Query history  ' | head -1 || true)
       ;;
+    "$CMD_GOTO_INBOX") nmquery="tag:$TAG_INBOX" ;;
+    "$CMD_GOTO_UNREAD") nmquery="tag:$TAG_UNREAD" ;;
+    "$CMD_GOTO_FLAGGED") nmquery="tag:$TAG_FLAGGED" ;;
     *)
       ;;
   esac

src/sh/config.sh

@@ -1,11 +1,27 @@
-# Main application configuration. This application does not require a
-# configuration file. However, a configuration file may be stored as
-# `CONFIGFILE_DEFAULT`. If that file exists, it will be sourced. The path to
-# the file may be overwritten by specifying the environment variable
-# `CONFIGFILE`. If a configuration file is specified, then it must also exist.
-# A configuration file comprises the specification of environment variables
-# that are allowed to be set.
-CONFIGFILE_DEFAULT="${XDG_CONFIG_HOME:-"$HOME/.config"}/$APP_NAME/config"
-CONFIGFILE="${CONFIGFILE:-"$CONFIGFILE_DEFAULT"}"
-[ "$CONFIGFILE" != "$CONFIGFILE_DEFAULT" ] && [ ! -f "$CONFIGFILE" ] && err "The configuration file manually specified with the environment variable CONFIGFILE=($CONFIGFILE) does not exist." && exit 1
-[ -f "$CONFIGFILE" ] && . "$CONFIGFILE"
+if [ ! "${CONFIG_LOADED:-}" ]; then
+  # Main application configuration. This application does not require a
+  # configuration file. However, a configuration file may be stored as
+  # `CONFIGFILE_DEFAULT`. If that file exists, it will be sourced. The path to
+  # the file may be overwritten by specifying the environment variable
+  # `CONFIGFILE`. If a configuration file is specified, then it must also exist.
+  # A configuration file comprises the specification of environment variables
+  # that are allowed to be set.
+  CONFIGFILE_DEFAULT="${XDG_CONFIG_HOME:-"$HOME/.config"}/$APP_NAME/config"
+  CONFIGFILE="${CONFIGFILE:-"$CONFIGFILE_DEFAULT"}"
+  [ "$CONFIGFILE" != "$CONFIGFILE_DEFAULT" ] && [ ! -f "$CONFIGFILE" ] && err "The configuration file manually specified with the environment variable CONFIGFILE=($CONFIGFILE) does not exist." && exit 1
+  [ -f "$CONFIGFILE" ] && . "$CONFIGFILE"
+  SET_TERMINAL_TITLE="${SET_TERMINAL_TITLE:-yes}"
+
+  PRIMARY_NAME=${PRIMARY_NAME:-$($NOTMUCH config get user.name)}
+  PRIMARY_EMAIL=${PRIMARY_EMAIL:-$($NOTMUCH config get user.primary_email)}
+  BCC_TO_SELF=${BCC_TO_SELF:-}
+
+  if [ ! "${SMTPLOGFILE:-}" ]; then
+    SMTPLOGFILE=$(mktemp)
+    trap 'rm -f "$SMTPLOGFILE"' EXIT INT
+  fi
+
+  export PRIMARY_NAME PRIMARY_EMAIL BCC_TO_SELF SET_TERMINAL_TITLE SMTPLOGFILE
+
+  export CONFIG_LOADED=1
+fi

src/sh/helper.sh

@@ -0,0 +1,5 @@
+# Print error message
+err() {
+  echo "$APP_NAME ERROR: $1" > /dev/stderr
+}
+

src/sh/history.sh

@@ -1,6 +1,8 @@
 if [ ! "${HISTORY_LOADED:-}" ]; then
-  export NMFHIST=$(mktemp)
+  NMFHIST="$(mktemp)"
+  export NMFHIST
   touch "$NMFHIST"
   trap 'rm -f "$NMFHIST"' EXIT INT
+
   export HISTORY_LOADED=1
 fi

src/sh/keys.sh

@@ -0,0 +1,64 @@
+if [ ! "${KEYS_LOADED:-}" ]; then
+  # This file defines the keys used in the keybindings
+  # The keys are comma separated. See `fzf --man` for the possible keys.
+
+  # List
+  KEYS_DOWN_HP="ctrl-d"
+  KEYS_UP_HP="ctrl-u"
+  KEYS_BACK="ctrl-h"
+  KEYS_ENTER="enter,ctrl-l"
+  KEYS_CANCEL="esc"
+  KEYS_ENTER_ALTERNATIVE="alt-enter"
+  KEYS_CYCLE_DISPLAY="ctrl-space"
+
+  KEYS_VIEW_SOURCE="alt-v"
+  KEYS_HTML_PREVIEW="alt-h"
+  KEYS_TAG_ADD="alt-+"
+  KEYS_TAG_REMOVE="alt--"
+  KEYS_ARCHIVE="ctrl-a"
+  KEYS_DELETE="ctrl-delete"
+  KEYS_FLAG="ctrl-x"
+  KEYS_UNFLAG="ctrl-alt-x"
+  KEYS_OPEN="ctrl-o"
+  KEYS_REPLY="ctrl-r"
+  KEYS_COMPOSE="ctrl-n"
+  KEYS_VIEW_LOGS="alt-0"
+  KEYS_SYNC="ctrl-s"
+  KEYS_GOTO_FIRST="home"
+
+  # Preview window
+  KEYS_PREVIEW_DOWN="alt-j"
+  KEYS_PREVIEW_UP="alt-k"
+  KEYS_PREVIEW_DOWN_HP="page-down"
+  KEYS_PREVIEW_UP_HP="page-up"
+  KEYS_PREVIEW_TOGGLE_SIZE="alt-/"
+
+  # Keys specific to purge window
+  KEYS_PURGE_ALL="ctrl-alt-d"
+
+  # Change main views
+  KEYS_SEARCH_TAG_REPLCE="alt-t"
+  KEYS_SEARCH_TAG_APPEND="alt-T"
+  KEYS_SEARCH_FROM_REPLCE="alt-s"
+  KEYS_SEARCH_FROM_APPEND="alt-S"
+  KEYS_SEARCH_TO_REPLCE="alt-r"
+  KEYS_SEARCH_TO_APPEND="alt-R"
+  KEYS_SEARCH_EDIT_QUERY="alt-q"
+  KEYS_SEARCH_DELETED="alt-d"
+  KEYS_SEARCH_INBOX="alt-1"
+  KEYS_SEARCH_UNREAD="alt-2"
+  KEYS_SEARCH_FLAGGED="alt-3"
+
+  export KEYS_DOWN_HP KEYS_UP_HP KEYS_BACK KEYS_ENTER KEYS_CANCEL \
+    KEYS_ENTER_ALTERNATIVE KEYS_CYCLE_DISPLAY KEYS_VIEW_SOURCE \
+    KEYS_HTML_PREVIEW KEYS_TAG_ADD KEYS_TAG_REMOVE KEYS_ARCHIVE KEYS_DELETE \
+    KEYS_FLAG KEYS_UNFLAG KEYS_OPEN KEYS_REPLY KEYS_COMPOSE KEYS_VIEW_LOGS \
+    KEYS_SYNC KEYS_GOTO_FIRST KEYS_PREVIEW_DOWN KEYS_PREVIEW_UP KEYS_PREVIEW_DOWN_HP \
+    KEYS_PREVIEW_UP_HP KEYS_PREVIEW_TOGGLE_SIZE KEYS_SEARCH_TAG_REPLCE \
+    KEYS_SEARCH_TAG_APPEND KEYS_SEARCH_FROM_REPLCE KEYS_SEARCH_FROM_APPEND \
+    KEYS_SEARCH_TO_REPLCE KEYS_SEARCH_TO_APPEND KEYS_SEARCH_EDIT_QUERY \
+    KEYS_SEARCH_DELETED KEYS_SEARCH_INBOX KEYS_SEARCH_UNREAD \
+    KEYS_SEARCH_FLAGGED KEYS_PURGE_ALL
+
+  export KEYS_LOADED=1
+fi

src/sh/lists.sh

@@ -3,7 +3,7 @@
 # List the messages within a thread
 # @argument $1: thread id
 list_messages_in_thread() {
-  $NOTMUCH show thread:"$1" \
+  $NOTMUCH show --body=false thread:"$1" \
     | awk "$AWK_THREADOVERVIEW" \
     | sed "s/^\(\S*\)\t\([^\t]*\)\t\(.*\) (\([^()]*\)) (\([^()]*\))$/${COLFROM}\3${COLRESET}\t${COLSUBJ}\2${COLRESET}\t${COLDATE}\4${COLRESET}\t${COLTAGS}\5${COLRESET}\t\1/"
 }
@@ -16,14 +16,17 @@ list_threads() {
     | column -s "$(printf '\t')" -t -l 3 -R 1,2
 }
 
-# List all available tags
+# List all tags of matching entries. If not query is provided, all tags are
+# listed.
+# @argument $1: query (optional)
 list_tags() {
-  $NOTMUCH search --output=tags tag:/./
+  [ "${1:-}" ] && query="$1" || query="*"
+  $NOTMUCH search --output=tags "$query"
 }
 
 # List all email addresses
 list_addresses() {
-  $NOTMUCH address '*'
+  $NOTMUCH address '*' | sed "s/^\(.*[^>]\) \?\(<.*>\)\?$/\1 \2\t${COLFROM}\1${COLRESET} ${COLSUBJ}\2${COLRESET}/"
 }
 
 # List query history

src/sh/notmuch.sh

@@ -1,9 +1,15 @@
 # Wrapper around notmuch
 
+# notmuch new
+# This is used for updating the notmuch database
+nm_new() {
+  $NOTMUCH new
+}
+
 # Print the message id of the last message within a thread.
 # @argument $1: thread id
 nm_last_message_in_thread() {
-  $NOTMUCH search --output=messages --offset=-1 thread:"$1" | sed 's/^...//'
+  $NOTMUCH search --output=messages --sort=newest-first --limit=1 thread:"$1" | sed 's/^...//'
 }
 
 # Print the header of a message (with trailing empty line)
@@ -31,3 +37,16 @@ nm_message_part_nr() {
 nm_message_get_part() {
   $NOTMUCH show --part="$2" id:"$1"
 }
+
+# Add/remove a tag
+# @argument $1: [+/-]tag
+# @argument $2: query
+nm_tag() {
+  $NOTMUCH tag "$1" "$2"
+}
+
+# Get all files, also of excluded matches
+# @argument $1: query
+nm_files_all() {
+  $NOTMUCH search --output=files --exclude=false "$1"
+}

src/sh/preview.sh

@@ -11,11 +11,10 @@
 # @argument #3: if set, then the HTML messages will be taken
 preview_message() {
   [ "$1" = "id" ] && messageid="$2" || messageid="$(nm_last_message_in_thread "$2")"
-  parts="$(nm_message_parts "$messageid")"
   html="${3:-}"
   nr="$(nm_message_part_nr "$messageid" "$html")"
   [ ! "$nr" ] && [ ! "$html" ] && html="html" && nr="$(nm_message_part_nr "$messageid" "html")"
   [ "$html" ] && parser="$PANDOC" || parser="cat"
   nm_message_header "$messageid" | $CATEMAIL
-  nm_message_get_part "$messageid" "$nr" | $parser | $CATMD
+  [ "$nr" ] && (nm_message_get_part "$messageid" "$nr" | $parser | $CATMD)
 }

src/sh/send.sh

@@ -0,0 +1,20 @@
+# Send email
+# @argument $1: Path to email file
+# @argument $2: if set, don't prompt the user (optional)
+send() {
+  if [ ! "${2:-}" ] && ! ynprompt "Do you want to send this email?" "$($CATEMAIL "$tmpfile")"; then
+    return
+  fi
+  $MSMTP -t --read-envelope-from -X "$SMTPLOGFILE" < "$1" >/dev/null 2>&1 || true
+  log=$(tail -1 "$SMTPLOGFILE")
+  if [ "${2:-}" ] || printf '%s' "$log" | grep -q '\bsmtpstatus=250\b'; then
+    return
+  fi
+  # Handle errors
+  res=$(printf "0 Retry\n1 Edit email\n2 Abort\n" | multiprompt "Could not send the email. What's next?" "$(echo "$log" | $CATLOG)")
+  case "$res" in
+    0) send "$1" ;;
+    1) $EDITOR "$1"; send "$1" ;;
+    2) return ;;
+  esac
+}

src/sh/tags.sh

@@ -0,0 +1,25 @@
+if [ ! "${TAGS_LOADED:-}" ]; then
+  # Default tags
+
+  # The deleted tag is by default the first tag defined in the exclude settings.
+  # If that does not exist, then it is "deleted".
+  TAG_DEL=${TAG_DEL:-$($NOTMUCH config get search.exclude_tags|head -1)}
+  TAG_DEL=${TAG_DEL:-deleted}
+
+  # Tag for messages in the inbox
+  TAG_INBOX=${TAG_INBOX:-inbox}
+
+  # White-space separates list of tags that are automatically added to new
+  # emails. These tags will be removed when the message/tread is archived.
+  TAGS_NEW=${TAGS_NEW:-$($NOTMUCH config get new.tags | xargs echo)}
+
+  # Tag for messages that are unread
+  TAG_UNREAD=${TAG_UNREAD:-unread}
+  
+  # Tag for flagged messages
+  TAG_FLAGGED=${TAG_FLAGGED:-flagged}
+
+  export TAG_DEL TAG_INBOX TAGS_NEW TAG_UNREAD TAG_FLAGGED
+
+  export TAGS_LOADED=1
+  fi

src/sh/tools.sh

@@ -15,6 +15,22 @@ if [ ! "${TOOLS_LOADED:-}" ]; then
   fi
   export NOTMUCH
 
+  if command -v "msmtp" >/dev/null; then
+    MSMTP="msmtp"
+  else
+    err "Did not find the command-line email sender msmtp."
+    exit 1
+  fi
+  export MSMTP
+
+  if command -v "mbsync" >/dev/null; then
+    MBSYNC="mbsync"
+  else
+    err "Did not find the command-line IMAP synchronizer mbsync."
+    exit 1
+  fi
+  export MBSYNC
+
   if command -v "bat" >/dev/null; then
     CAT="bat"
   elif command -v "batcat" >/dev/null; then
@@ -22,9 +38,11 @@ if [ ! "${TOOLS_LOADED:-}" ]; then
   fi
   CATEMAIL=${CAT:+$CAT -l email --style=plain --color=always}
   CATMD=${CAT:+$CAT -l markdown --style=plain --color=always}
+  CATLOG=${CAT:+$CAT -l log --style=plain --color=always}
   CATEMAIL=${CATEMAIL:-cat}
-  CATEMD=${CATMD:-cat}
-  export CATEMAIL CATMD
+  CATMD=${CATMD:-cat}
+  CATLOG=${CATLOG:-cat}
+  export CATEMAIL CATMD CATLOG
 
   if command -v "pandoc" >/dev/null; then
     PANDOC="pandoc --from html --to markdown_strict-raw_html"

src/sh/varia.sh

@@ -0,0 +1,45 @@
+# Various functions
+
+# This prompts the user for a "yes" or a "no"
+# @argument $1: Question
+# @argument $2: Content to show in preview window
+# @return: 0 if the user answered "yes" and 1 otherwise.
+ynprompt() {
+  return "$(printf '0 \033[32myes\033[0m\n1 \033[31mno\033[0m\n' |
+    $FZF \
+    --sync \
+    --bind='start:pos(2)' \
+    --bind='ctrl-c,ctrl-g,ctrl-q,esc:pos(2)+accept' \
+    --reverse \
+    --no-input \
+    --header="$1" \
+    --preview-window='60%,border-line' \
+    --margin='5%,5%,5%,15%' \
+    --preview="echo \"$2\"" \
+    --with-nth=2.. \
+    --accept-nth=1 \
+    --header-border='line' \
+    --color='border:yellow,header:yellow')"
+}
+
+# This prompts the user for a series of options.
+# The options are read from stdin in the form "integer\toption\n".
+# Prints number
+#
+# @argument $1: Question
+# @argument $2: Content to show in preview window
+multiprompt() {
+  cat |
+    $FZF \
+    --reverse \
+    --no-input \
+    --header="$1" \
+    --preview-window='60%,border-line,wrap-word' \
+    --margin='5%,5%,5%,15%' \
+    --preview="echo \"$2\"" \
+    --with-nth=2.. \
+    --accept-nth=1 \
+    --header-border='line' \
+    --bind="ctrl-c,esc,ctrl-q:" \
+    --color='border:yellow,header:yellow' | head -1 || true
+}