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Add backup option

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This commit is contained in:
Emanuele Petriglia 2018-06-16 11:54:08 +02:00
parent d215dea5b0
commit 6b2c30b7cc
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1 changed files with 5 additions and 3 deletions
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8
updater.sh
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@ -14,14 +14,14 @@
# #
# Report bugs to https://github.com/ghacksuserjs/ghacks-user.js/issues # Report bugs to https://github.com/ghacksuserjs/ghacks-user.js/issues
readonly VERSION="1.4" readonly VERSION="2.0"
# Default values for flags. # Default values for flags.
QUIET="false" QUIET="false"
VERBOSE="false" VERBOSE="false"
FORCE_VERSION="false" FORCE_VERSION="false"
UPDATED="false" UPDATED="false"
MAKE_BACKUP="false"
# Prints a message to the standard error and exit with error code 1. # Prints a message to the standard error and exit with error code 1.
error() { error() {
@ -68,12 +68,13 @@ show_help() {
cat <<-_EOF cat <<-_EOF
Usage: Usage:
$PROGRAM [--update,-u] [--verbose] [--quiet,-q] [--force-version,-f] $PROGRAM [--update,-u] [--verbose] [--quiet,-q] [--force-version,-f]
[--help,-h] [--version,-v] [--help,-h] [--version,-v] [--backup,-b]
Options: Options:
-u, --update First updates the updater script, then the user.js -u, --update First updates the updater script, then the user.js
--force-version, -f Force to download the user.js according to the --force-version, -f Force to download the user.js according to the
Firefox version Firefox version
--backup, -b Make a copy of the old user.js before overwriting it
--quiet, -q Print only errors --quiet, -q Print only errors
--verbose Print additional informations --verbose Print additional informations
--help Print this message --help Print this message
@ -128,6 +129,7 @@ while :; do
--verbose) shift; VERBOSE="true";; --verbose) shift; VERBOSE="true";;
--help|-h) shift; SHOW_HELP="true";; --help|-h) shift; SHOW_HELP="true";;
--version|-v) shift; SHOW_VERSION="true";; --version|-v) shift; SHOW_VERSION="true";;
--backup|-b) shift; MAKE_BACKUP="true";;
"") break;; # Default case: no more options. "") break;; # Default case: no more options.
*) error "Unrecognized option '$1'";; *) error "Unrecognized option '$1'";;
esac esac