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#!/bin/bash -e
# Tool used to backup/restore a specific directory
# It is used by the test tool to make sure each test
# leaves the test directory as was initially
show_help() {
echo "usage: tests.backup prepare [PATH]"
echo " tests.backup restore [PATH]"
}
cmd_prepare() {
local BACKUP_PATH=$1
if [ ! -d "$BACKUP_PATH" ]; then
echo "tests.backup: cannot backup $BACKUP_PATH, not a directory" >&2
exit 1
fi
tar cf "${BACKUP_PATH}.tar" "$BACKUP_PATH"
}
cmd_restore() {
local BACKUP_PATH=$1
if [ -f "${BACKUP_PATH}.tar" ]; then
# Find all the files in the path $BACKUP_PATH and delete them
# This command deletes also the hidden files
find "${BACKUP_PATH}" -maxdepth 1 -mindepth 1 -exec rm -rf {} \;
tar -C/ -xf "${BACKUP_PATH}.tar"
rm "${BACKUP_PATH}.tar"
else
echo "tests.backup: cannot restore ${BACKUP_PATH}.tar, the file does not exist" >&2
exit 1
fi
}
main() {
if [ $# -eq 0 ]; then
show_help
exit 0
fi
while [ $# -gt 0 ]; do
case "$1" in
-h|--help)
show_help
exit
;;
prepare)
local BACKUP_PATH="${2:-$(pwd)}"
cmd_prepare "$BACKUP_PATH"
exit
;;
restore)
local BACKUP_PATH="${2:-$(pwd)}"
cmd_restore "$BACKUP_PATH"
exit
;;
-*)
echo "tests.backup: unknown option $1" >&2
exit 1
;;
*)
echo "tests.backup: unknown command $1" >&2
exit 1
;;
esac
done
}
main "$@"
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