export variables and use them in subprocesses

src/main.sh

@@ -5,6 +5,8 @@ set -eu
 err() {
   echo "❌ $1" >/dev/tty
 }
+
+if [ -z "${FZF_VJOUR_USE_EXPORTED:-}" ]; then
   # Read configuration
   CONFIGFILE="$HOME/.config/fzf-vjour/config"
   if [ ! -f "$CONFIGFILE" ]; then
@@ -17,6 +19,9 @@ if [ -z "${ROOT:-}" ] || [ -z "${SYNC_CMD:-}" ] || [ -z "${COLLECTION_LABELS:-}"
     err "Configuration is incomplete."
     exit 1
   fi
+  export ROOT
+  export SYNC_CMD
+  export COLLECTION_LABELS
 
   # Tools
   if command -v "fzf" >/dev/null; then
@@ -25,12 +30,16 @@ 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
@@ -38,6 +47,7 @@ elif command -v "batcat" >/dev/null; then
   fi
   CAT=${CAT:+$CAT --color=always --style=numbers --language=md}
   CAT=${CAT:-cat}
+  export CAT
 
   ### AWK SCRIPTS
   AWK_ALTERTODO=$(
@@ -45,37 +55,46 @@ AWK_ALTERTODO=$(
 @@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 "$ROOT" -type f -name '*.ics' -print0 | xargs -0 -P 0 \
@@ -133,7 +152,7 @@ if [ "${1:-}" = "--delete" ]; then
   file=$(__filepath_from_selection "$2")
   summary=$(awk -v field="SUMMARY" "$AWK_GET" "$file")
   while true; do
-    printf "Do you want to delete the entry with the title \"%s\"? (yes/no)" "$summary" >/dev/tty
+    printf "Do you want to delete the entry with the title \"%s\"? (yes/no): " "$summary" >/dev/tty
     read -r yn
     case $yn in
     "yes")