bugfix: handle wrong date input in entry creation

README.md

@@ -1,4 +1,7 @@
 A [fzf](https://github.com/junegunn/fzf)-based **calendar** application with CalDav support.
+If you are interested in this, then you may also be interested in the
+corresponding journaling application
+[fzf-vjour](https://github.com/baumea/fzf-vjour).
 
 Description and Use Case
 ------------------------

src/awk/new.awk

@@ -27,10 +27,16 @@ BEGIN {
 desc { desc = desc "\\n" $0; next; }
 {
   from = substr($0, 1, 6) == "::: |>" ? substr($0, 8) : "";
+  if (!from)
+    exit 1
   getline
   to = substr($0, 1, 6) == "::: <|" ? substr($0, 8) : "";
+  if (!to)
+    exit 1
   getline
   summary = substr($0, 1, 2) == "# " ? substr($0, 3) : ""
+  if (!summary)
+    exit 1
   getline # This line should be empty
   getline # First line of description
   desc = $0;
@@ -41,7 +47,7 @@ END {
   # If nanoseconds are not 0, then we assume user enterd "tomorrow" or
   # something the like, and we make this a date entry, as opposed to a
   # date-time entry.
-  from = from ? from : "now"
+  gsub("\"", "\\\"", from)
   cmd = "date -d \"" from "\" +\"%N\"";
   cmd | getline t
   close(cmd)
@@ -53,10 +59,13 @@ END {
     from_type = "DATE"
     cmd = "date -d \"" from "\" +\"%Y%m%d\"";
   }
-  cmd | getline from
+  suc = cmd | getline from
   close(cmd)
+  if (suc != 1) {
+    exit 1
+  }
   #
-  to = to ? to : "now"
+  gsub("\"", "\\\"", to)
   cmd = "date -d \"" to "\" +\"%N\"";
   cmd | getline t
   close(cmd)
@@ -68,8 +77,11 @@ END {
     to_type = "DATE"
     cmd = "date -d \"" to "\" +\"%Y%m%d\"";
   }
-  cmd | getline to
+  suc = cmd | getline to
   close(cmd)
+  if (suc != 1) {
+    exit 1
+  }
   escape(summary);
   escape(desc);
 

src/main.sh

@@ -307,10 +307,10 @@ __edit() {
 
 __refresh_data() {
   if [ -n "${APPROX_DATA_FILE:-}" ]; then
-    rm "$APPROX_DATA_FILE"
+    rm -f "$APPROX_DATA_FILE"
   fi
   if [ -n "${WEEKLY_DATA_FILE:-}" ]; then
-    rm "$WEEKLY_DATA_FILE"
+    rm -f "$WEEKLY_DATA_FILE"
   fi
   APPROX_DATA_FILE=$(mktemp)
   __load_approx_data >"$APPROX_DATA_FILE"
@@ -380,9 +380,14 @@ if [ "${1:-}" = "--new" ]; then
   # Update only if changes are detected
   if [ "$checksum" != "$(cksum "$filetmp")" ]; then
     filenew="$filetmp.ics"
-    awk -v uid="$uuid" "$AWK_NEW" "$filetmp" >"$filenew"
+    if awk -v uid="$uuid" "$AWK_NEW" "$filetmp" >"$filenew"; then
-    mv "$filenew" "$fpath"
+      mv "$filenew" "$fpath"
-    __refresh_data
+      __refresh_data
+    else
+      rm "$filenew"
+      err "Failed to create new entry. Press <enter> to continue."
+      read -r tmp
+    fi
   fi
   rm "$filetmp"
 fi
@@ -608,13 +613,13 @@ selection=$(
       --preview-window=up,7,border-bottom \
       --preview="$0 --preview-week {}" \
       --expect="ctrl-n" \
-      --bind="ctrl-j:transform:[ \$FZF_POS -le 1 ] &&
+      --bind="ctrl-j:transform:([ {1} = \"+\" ] && [ \$FZF_POS -le 1 ]) &&
       echo unbind\(load\)+reload:$0 --list {2} '+1 day'||
       echo down" \
-      --bind="ctrl-k:transform:[ \$FZF_POS -ge 7 ] &&
+      --bind="ctrl-k:transform:([ {1} = \"+\" ] && [ \$FZF_POS -ge 7 ]) &&
       echo unbind\(load\)+reload:$0 --list {2} '-1 day'||
       echo up" \
-      --bind="change:reload($0 --all)+hide-preview" \
+      --bind="change:unbind(load)+reload($0 --all)+hide-preview" \
       --bind="backward-eof:rebind(load)+reload($0 --list)+show-preview" \
       --bind="load:pos($DISPLAY_POS)" \
       --bind="ctrl-u:unbind(load)+reload:$0 --list {2} '-1 week'" \