named backup

This commit is contained in:
GenZmeY 2021-02-23 19:32:35 +03:00
parent da15757dde
commit 6d4b865516

View File

@ -6,11 +6,12 @@ trap on_error SIGINT SIGTERM ERR
ScriptFullname=$(readlink -e "$0") ScriptFullname=$(readlink -e "$0")
ScriptName=$(basename "$0") ScriptName=$(basename "$0")
TargetFile="" TargetFile=""
BackupFile=""
function show_help () function show_help ()
{ {
echo "Usage:" echo "Usage:"
echo "${ScriptName} FILENAME patch specified kf2 executable" echo "${ScriptName} FILENAME [BACKUPNAME] patch specified kf2 executable"
echo "${ScriptName} -h, --help show help" echo "${ScriptName} -h, --help show help"
echo "" echo ""
echo "Dependencies: dd, readelf, hexdump" echo "Dependencies: dd, readelf, hexdump"
@ -25,13 +26,19 @@ function on_error ()
function backup () function backup ()
{ {
cp -f "$TargetFile" "$TargetFile.orig" if [[ -z "$BackupFile" ]]; then
BackupFile="$TargetFile.orig"
fi
cp -f "$TargetFile" "$BackupFile"
} }
function restore () function restore ()
{ {
if [[ -e "$TargetFile.orig" ]]; then if [[ -z "$BackupFile" ]]; then
mv -f "$TargetFile.orig" "$TargetFile" BackupFile="$TargetFile.orig"
fi
if [[ -e "$BackupFile" ]]; then
mv -f "$BackupFile" "$TargetFile"
echo "Original executable restored" echo "Original executable restored"
fi fi
} }
@ -95,5 +102,5 @@ function main ()
if [[ $# -eq 0 ]]; then show_help; exit 0; fi if [[ $# -eq 0 ]]; then show_help; exit 0; fi
case $1 in case $1 in
-h|--help ) show_help ; ;; -h|--help ) show_help ; ;;
* ) TargetFile="$1"; main ;; * ) TargetFile="$1"; BackupFile="$2"; main ;;
esac esac