All things deserve to be known by their true name

.local/bin/run0edit

@@ -1,81 +0,0 @@
-#! /usr/bin/bash
-
-set -euo pipefail
-IFS=$'\n\t'
-
-default_editor() {
-    if [ -n "${SUDO_EDITOR+set}" ]; then
-        echo "${SUDO_EDITOR}"
-    elif [ -n "${VISUAL+set}" ]; then
-        echo "${VISUAL}"
-    elif [ -n "${EDITOR+set}" ]; then
-        echo "${EDITOR}"
-    else
-        echo "No editor configured" 1>&2
-        exit 1
-    fi
-}
-
-try_command() {
-    if "$@" 2> /dev/null; then
-        return
-    elif run0 "$@" > /dev/null; then
-        return
-    else
-        exit 2
-    fi
-}
-
-make_editable_copy() {
-    orig_file="$1"
-    tempfile="$2"
-
-    try_command cp -- "${orig_file}" "${tempfile}"
-}
-
-elevate_permissions() {
-    tempfile="$1"
-    orig_file="$2"
-
-    try_command chown --reference "${orig_file}" "${tempfile}"
-    try_command chmod --reference "${orig_file}" "${tempfile}"
-}
-
-update_file() {
-    tempfile="$1"
-    orig_file="$2"
-
-    try_command mv --force -- "${tempfile}" "${orig_file}"
-}
-
-clean_tempfiles() {
-    tempfile="$1"
-
-    rm --force -- "${tempfile}" "${tempfile}.orig"
-}
-
-if [ "$#" -ne "1" ]; then
-    echo "Expected exactly one input file. Usage:" 1>&2
-    echo "   $0 FILE" 1>&2
-    exit 1
-fi
-
-editor_cmd="$(default_editor)"
-echo "Editing using the command \"${editor_cmd}\""
-
-IFS=' ' read -r -a editor <<< "${editor_cmd}"
-
-orig_file="$1"
-tempfile="$(mktemp)"
-echo "Using temporary file ${tempfile}"
-make_editable_copy "${orig_file}" "${tempfile}"
-cp "${tempfile}" "${tempfile}.orig"
-"${editor[@]}" "${tempfile}"
-if cmp --quiet "${tempfile}" "${tempfile}.orig"; then
-    echo "No change to file"
-else
-    elevate_permissions "${tempfile}" "${orig_file}"
-    update_file "${tempfile}" "${orig_file}"
-fi
-
-clean_tempfiles "${tempfile}"