improvement: externalized files

src/sh/cliextra.sh

@@ -0,0 +1,129 @@
+# Extra command-line options
+# - --import-ni
+# - --import
+# - --git
+# - --git-init
+
+# Import iCalendar file noninteractively
+#
+# @input $2: Absolute path to iCalendar file
+# @input $3: Collection
+# @return: On success, returns 0, otherwise 1
+if [ "${1:-}" = "--import-ni" ]; then
+  shift
+  file="${1:-}"
+  collection="${2:-}"
+  if [ ! -f "$file" ]; then
+    err "File \"$file\" does not exist"
+    exit 1
+  fi
+  for c in $(echo "$COLLECTION_LABELS" | sed "s|=[^;]*;| |g"); do
+    if [ "$collection" = "$c" ]; then
+      cexists="yes"
+      break
+    fi
+  done
+  if [ -n "${cexists:-}" ] && [ -d "$ROOT/$collection" ]; then
+    __import_to_collection "$file" "$collection"
+  else
+    err "Collection \"$collection\" does not exist"
+    exit 1
+  fi
+  exit
+fi
+
+# Import iCalendar file.
+#
+# @input $2: Absolute path to iCalendar file
+# @return: On success, returns 0, otherwise 1
+if [ "${1:-}" = "--import" ]; then
+  shift
+  file="${1:-}"
+  if [ ! -f "$file" ]; then
+    err "File \"$file\" does not exist"
+    return 1
+  fi
+  line=$(awk \
+    -v collection_labels="$COLLECTION_LABELS" \
+    "$AWK_PARSE" "$file")
+  set -- $line
+  startsec="${1:-}"
+  endsec="${2:-}"
+  if [ -z "$line" ] || [ -z "$startsec" ] || [ -z "$endsec" ]; then
+    err "File \"$file\" does not look like an iCalendar file containing an event"
+    return 1
+  fi
+  start=$(__datetime_human_machine "$startsec")
+  end=$(__datetime_human_machine "$endsec")
+  location=$(awk -v field="LOCATION" "$AWK_GET" "$file")
+  summary=$(awk -v field="SUMMARY" "$AWK_GET" "$file")
+  description=$(awk -v field="DESCRIPTION" "$AWK_GET" "$file")
+  filetmp=$(mktemp --suffix='.md')
+  (
+    echo "::: |> $start"
+    echo "::: <| $end"
+  ) >"$filetmp"
+  if [ -n "$location" ]; then
+    echo "@ $location" >>"$filetmp"
+  fi
+  (
+    echo "# $summary"
+    echo ""
+    echo "$description"
+  ) >>"$filetmp"
+  $CAT "$filetmp" >/dev/tty
+  while true; do
+    printf "Do you want to import this entry? (yes/no): " >/dev/tty
+    read -r yn
+    case $yn in
+    "yes")
+      collection=$(echo "$COLLECTION_LABELS" | tr ';' '\n' | awk '/./ {print}' | $FZF --margin="30%" --no-info --delimiter='=' --with-nth=2 --accept-nth=1)
+      if [ -z "$collection" ]; then
+        exit
+      fi
+      __import_to_collection "$file" "$collection"
+      break
+      ;;
+    "no")
+      break
+      ;;
+    *)
+      echo "Please answer \"yes\" or \"no\"." >/dev/tty
+      ;;
+    esac
+  done
+  rm -f "$filetmp"
+  exit
+fi
+
+# Run git command
+#
+# @input $2..: Git command
+# @return: On success, returns 0, otherwise 1
+if [ "${1:-}" = "--git" ]; then
+  if [ -z "${GIT:-}" ]; then
+    err "Git not supported, run \`$0 --git-init\` first"
+    return 1
+  fi
+  shift
+  $GIT "$@"
+  exit
+fi
+
+# Enable the ues of git
+#
+# @return: On success, returns 0, otherwise 1
+if [ "${1:-}" = "--git-init" ]; then
+  if [ -n "${GIT:-}" ]; then
+    err "Git already enabled"
+    return 1
+  fi
+  if ! command -v "git" >/dev/null; then
+    err "Git command not found"
+    return 1
+  fi
+  git -C "$ROOT" init
+  git -C "$ROOT" add -A
+  git -C "$ROOT" commit -m 'Initial commit: Start git tracking'
+  exit
+fi