update readme

README.md

@@ -1,4 +1,7 @@
 A [fzf](https://github.com/junegunn/fzf)-based **journaling, notes, and tasks** application with CalDav support.
+If you are interested in this, then you may also be interested in the
+corresponding calendar application
+[fzf-vcal](https://github.com/baumea/fzf-vcal).
 
 Description and Use Case
 ------------------------
@@ -15,7 +18,8 @@ copy `fzf-vjour` to your preferred location, e.g., `~/.local/bin`, and make it e
 
 ### Requirements
 This is a POSIX script with inline `awk` elements.
-Make sure you have [fzf](https://github.com/junegunn/fzf) and [batcat](https://github.com/sharkdp/bat).
+Make sure you have [fzf](https://github.com/junegunn/fzf) installed.
+I also suggest to install [batcat](https://github.com/sharkdp/bat) for colorful previews.
 
 Configuration
 --------------

src/awk/list.awk

@@ -130,6 +130,21 @@ ENDFILE {
   if (!type) {
     exit
   }
+  # Construct path, and check for validity
+  depth = split(FILENAME, path, "/");
+  fpath = path[depth-1] "/" path[depth]
+  if (index(fpath, " "))
+  {
+    print 10,
+          "-",
+          "-",
+          RED "ERROR: file '" fpath "' contains whitespaces!" OFF
+    exit
+  }
+  # Collection name
+  collection = path[depth-1]
+  collection = collection in collection2label ? collection2label[collection] : collection;
+
   # Process content lines
   storetext_line(content_line, c, "CATEGORIES"   );
   storetext_line(content_line, c, "DESCRIPTION"  );
@@ -160,11 +175,6 @@ ENDFILE {
   #                format
   mod = c["LAST-MODIFIED"] ? c["LAST-MODIFIED"] : c["DTSTAMP"];
 
-  # Collection name
-  depth = split(FILENAME, path, "/");
-  collection = depth > 1 ? path[depth-1] : "";
-  collection = collection in collection2label ? collection2label[collection] : collection;
-
   # Date field. For VTODO entries, we show the due date, for journal entries,
   # the associated date.
   datecolor = CYAN;
@@ -206,10 +216,10 @@ ENDFILE {
 
   print prio,
         mod,
+        fpath,
         collection,
         datecolor d OFF,
         flag,
         priotext summarycolor summary OFF,
-        WHITE categories OFF,
-        "                                                                                                                                                                    " FAINT FILENAME OFF;
+        WHITE categories OFF;
 }

src/main.sh

@@ -2,13 +2,52 @@
 
 set -eu
 
+err() {
+  echo "❌ $1" >/dev/tty
+}
+
+if [ -z "${FZF_VJOUR_USE_EXPORTED:-}" ]; then
   # Read configuration
-# shellcheck source=/dev/null
-. "$HOME/.config/fzf-vjour/config"
-if [ -z "$ROOT" ] || [ -z "$SYNC_CMD" ] || [ -z "$COLLECTION_LABELS" ]; then
-  echo "Failed to get configuration." >/dev/tty
+  CONFIGFILE="$HOME/.config/fzf-vjour/config"
+  if [ ! -f "$CONFIGFILE" ]; then
+    err "Configuration '$CONFIGFILE' not found."
     exit 1
   fi
+  # shellcheck source=/dev/null
+  . "$CONFIGFILE"
+  if [ -z "${ROOT:-}" ] || [ -z "${SYNC_CMD:-}" ] || [ -z "${COLLECTION_LABELS:-}" ]; then
+    err "Configuration is incomplete."
+    exit 1
+  fi
+  export ROOT
+  export SYNC_CMD
+  export COLLECTION_LABELS
+
+  # Tools
+  if command -v "fzf" >/dev/null; then
+    FZF="fzf"
+  else
+    err "Did not find the command-line fuzzy finder fzf."
+    exit 1
+  fi
+  export FZF
+
+  if command -v "uuidgen" >/dev/null; then
+    UUIDGEN="uuidgen"
+  else
+    err "Did not find the uuidgen command."
+    exit 1
+  fi
+  export UUIDGEN
+
+  if command -v "bat" >/dev/null; then
+    CAT="bat"
+  elif command -v "batcat" >/dev/null; then
+    CAT="batcat"
+  fi
+  CAT=${CAT:+$CAT --color=always --style=numbers --language=md}
+  CAT=${CAT:-cat}
+  export CAT
 
   ### AWK SCRIPTS
   AWK_ALTERTODO=$(
@@ -16,37 +55,46 @@ AWK_ALTERTODO=$(
 @@include src/awk/altertodo.awk
 EOF
   )
+  export AWK_ALTERTODO
 
   AWK_EXPORT=$(
     cat <<'EOF'
 @@include src/awk/export.awk
 EOF
   )
+  export AWK_EXPORT
 
   AWK_GET=$(
     cat <<'EOF'
 @@include src/awk/get.awk
 EOF
   )
+  export AWK_GET
 
   AWK_LIST=$(
     cat <<'EOF'
 @@include src/awk/list.awk
 EOF
   )
+  export AWK_LIST
 
   AWK_NEW=$(
     cat <<'EOF'
 @@include src/awk/new.awk
 EOF
   )
+  export AWK_NEW
 
   AWK_UPDATE=$(
     cat <<'EOF'
 @@include src/awk/update.awk
 EOF
   )
+  export AWK_UPDATE
   ### END OF AWK SCRIPTS
+  FZF_VJOUR_USE_EXPORTED="yes"
+  export FZF_VJOUR_USE_EXPORTED
+fi
 
 __lines() {
   find "$ROOT" -type f -name '*.ics' -print0 | xargs -0 -P 0 \
@@ -57,12 +105,7 @@ __lines() {
     -v flag_journal="📘" \
     -v flag_note="🗒️" \
     "$AWK_LIST" |
-    sort -g -r |
-    cut -d ' ' -f 3-
-}
-
-__filepath_from_selection() {
-  echo "$1" | grep -o ' \{50\}.*$' | xargs
+    sort -g -r
 }
 
 # Program starts here
@@ -94,17 +137,19 @@ fi
 # Command line arguments to be self-contained
 # Generate preview of file from selection
 if [ "${1:-}" = "--preview" ]; then
-  file=$(__filepath_from_selection "$2")
+  name=$(echo "$2" | cut -d ' ' -f 3)
+  file="$ROOT/$name"
   awk -v field="DESCRIPTION" "$AWK_GET" "$file" |
-    batcat --color=always --style=numbers --language=md
+    $CAT
   exit
 fi
 # Delete file from selection
 if [ "${1:-}" = "--delete" ]; then
-  file=$(__filepath_from_selection "$2")
+  name=$(echo "$2" | cut -d ' ' -f 3)
+  file="$ROOT/$name"
   summary=$(awk -v field="SUMMARY" "$AWK_GET" "$file")
   while true; do
-    printf "Do you want to delete the entry with the title \"%s\"? " "$summary" >/dev/tty
+    printf "Do you want to delete the entry with the title \"%s\"? (yes/no): " "$summary" >/dev/tty
     read -r yn
     case $yn in
     "yes")
@@ -122,21 +167,13 @@ if [ "${1:-}" = "--delete" ]; then
 fi
 # Generate new entry
 if [ "${1:-}" = "--new" ]; then
-  label=$(printf "%s" "$COLLECTION_LABELS" |
-    awk 'BEGIN { FS="="; RS=";"; } {print $2}' |
-    fzf \
-      --margin 20% \
-      --prompt="Select collection> ")
-
-  collection=$(printf "%s" "$COLLECTION_LABELS" |
-    awk -v label="$label" 'BEGIN { FS="="; RS=";"; } $2 == label {print $1}')
+  collection=$(echo "$COLLECTION_LABELS" | tr ';' '\n' | $FZF --delimiter='=' --with-nth=2 --accept-nth=1)
   file=""
   while [ -f "$file" ] || [ -z "$file" ]; do
-    uuid=$(uuidgen)
+    uuid=$($UUIDGEN)
     file="$ROOT/$collection/$uuid.ics"
   done
   tmpmd=$(mktemp --suffix='.md')
-  tmpsha="$tmpmd.sha"
   {
     echo "::: |> <!-- keep this line to associate the entry to _today_ -->"
     echo "::: <| <!-- specify the due date for to-dos, can be empty, a date string, or even \"next Sunday\" -->"
@@ -144,36 +181,39 @@ if [ "${1:-}" = "--new" ]; then
     echo "> <!-- comma-separated list of categories -->"
     echo ""
   } >"$tmpmd"
-  sha1sum "$tmpmd" >"$tmpsha"
+  checksum=$(cksum "$tmpmd")
 
   # Open in editor
   $EDITOR "$tmpmd" >/dev/tty
 
   # Update if changes are detected
-  if ! sha1sum -c "$tmpsha" >/dev/null 2>&1; then
+  if [ "$checksum" != "$(cksum "$tmpmd")" ]; then
     tmpfile="$tmpmd.ics"
     awk -v uid="$uuid" "$AWK_NEW" "$tmpmd" >"$tmpfile"
     mv "$tmpfile" "$file"
   fi
-  rm "$tmpmd" "$tmpsha"
+  rm "$tmpmd"
 fi
 # Toggle completed flag
 if [ "${1:-}" = "--toggle-completed" ]; then
-  file=$(__filepath_from_selection "$2")
+  name=$(echo "$2" | cut -d ' ' -f 3)
+  file="$ROOT/$name"
   tmpfile=$(mktemp)
   awk "$AWK_ALTERTODO" "$file" >"$tmpfile"
   mv "$tmpfile" "$file"
 fi
 # Increase priority
 if [ "${1:-}" = "--increase-priority" ]; then
-  file=$(__filepath_from_selection "$2")
+  name=$(echo "$2" | cut -d ' ' -f 3)
+  file="$ROOT/$name"
   tmpfile=$(mktemp)
   awk -v delta="1" "$AWK_ALTERTODO" "$file" >"$tmpfile"
   mv "$tmpfile" "$file"
 fi
 # Decrease priority
 if [ "${1:-}" = "--decrease-priority" ]; then
-  file=$(__filepath_from_selection "$2")
+  name=$(echo "$2" | cut -d ' ' -f 3)
+  file="$ROOT/$name"
   tmpfile=$(mktemp)
   awk -v delta="-1" "$AWK_ALTERTODO" "$file" >"$tmpfile"
   mv "$tmpfile" "$file"
@@ -208,17 +248,17 @@ fi
 if [ "${1:-}" = "--no-journal" ]; then
   query="!📘"
 fi
-if [ -z "$query" ]; then
-  query="!✅"
-fi
-query=$(echo "$query" | sed 's/ *$//g')
+query=${query:-!✅}
+query=$(echo "$query" | xargs)
 
 selection=$(
-  __lines | fzf --ansi \
+  __lines | $FZF --ansi \
     --query="$query " \
     --no-sort \
     --no-hscroll \
     --ellipsis='' \
+    --with-nth=4.. \
+    --accept-nth=3 \
     --preview="$0 --preview {}" \
     --bind="ctrl-r:reload-sync($0 --reload)" \
     --bind="ctrl-alt-d:become($0 --delete {})" \
@@ -230,13 +270,13 @@ selection=$(
     --bind="alt-1:change-query(📘)" \
     --bind="alt-2:change-query(🗒️)" \
     --bind="alt-3:change-query(✅ | 🔲)" \
-    --bind="ctrl-s:execute($SYNC_CMD)"
+    --bind="ctrl-s:execute($SYNC_CMD ; printf 'Press <enter> to continue.'; read -r tmp)"
 )
 if [ -z "$selection" ]; then
   return 0
 fi
 
-file=$(__filepath_from_selection "$selection")
+file="$ROOT/$selection"
 
 if [ ! -f "$file" ]; then
   echo "ERROR: File '$file' does not exist!" >/dev/tty
@@ -245,20 +285,18 @@ fi
 
 # Prepare file to be edited
 filetmp=$(mktemp --suffix='.md')
-filesha="$filetmp.sha"
 awk "$AWK_EXPORT" "$file" >"$filetmp"
-sha1sum "$filetmp" >"$filesha"
+checksum=$(cksum "$filetmp")
 
 # Open in editor
 $EDITOR "$filetmp" >/dev/tty
 
 # Update only if changes are detected
-if ! sha1sum -c "$filesha" >/dev/null 2>&1; then
-  echo "Uh... chages detected!" >/dev/tty
+if [ "$checksum" != "$(cksum "$filetmp")" ]; then
   file_new="$filetmp.ics"
   awk "$AWK_UPDATE" "$filetmp" "$file" >"$file_new"
   mv "$file_new" "$file"
 fi
-rm "$filetmp" "$filesha"
+rm "$filetmp"
 
 exec "$0"