Add installer

image_classifier.sh

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+#!/bin/bash
+script_dir=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+if [ ! -d "${script_dir}/.venv" ]; then
+    python -m venv "$script_dir/.venv"
+fi
+# shellcheck disable=1091
+source "$script_dir/.venv/bin/activate"
+pip install -r "$script_dir/requirements.txt" > /dev/null
+pip install "$script_dir/" > /dev/null
+backup_imap.py "${@}"

install.sh

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+#!/bin/bash
+destination="/usr/local/bin"
+while [ $# -gt 0 ]
+do
+  case "$1" in
+    "--help"|"-h"|"-?")
+      usage
+      exit 0
+      ;;
+    "--destination"|"-d")
+      shift
+      destination="${1}"
+      shift
+      ;;
+    *)
+      echo "Ignoring unknwon parameter '${1}'"
+      shift
+      ;;
+  esac
+done
+
+if [ ! -e "${HOME}/.config/image_classifier.conf" ]; then
+    touch "${HOME}/.config/image_classifier.conf"
+fi
+chmod go-rwx "${HOME}/.config/image_classifier.conf"
+
+script_dir=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+sed "s#__src_folder__#${script_dir}#g" wrapper.sh > "${destination}/image_classifier.sh"
+chmod +x "${destination}/image_classifier.sh"

wrapper.sh

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+#!/bin/bash
+if [ -z "${HOME}" ]; then
+    if [ "$(whoami)" == "root" ]; then
+        HOME="/root"
+    else
+        HOME=$(grep "$(whoami)" /etc/passwd | awk 'BEGIN {FS=":"} {print($6)}')
+    fi
+fi
+
+CONFIG_FILE="${HOME}/.config/image_classifier.conf"
+cd "__src_folder__" || exit 1
+if [ -r "${CONFIG_FILE}" ]; then
+    perms=$(stat -c %A "${CONFIG_FILE}")
+    if [ "${perms:4:6}" != '------' ]; then
+        echo "Permissions too open for config file '${CONFIG_FILE}' ($perms). Remove all permissions to group and others."
+        exit 1
+    fi
+    config=(--config "${CONFIG_FILE}")
+else
+    config=()
+fi
+"__src_folder__/image_classifier.sh" "${config[@]}" "${@}"