prevent overwriting existing initramfs

This commit is contained in:
illiliti 2020-03-01 13:38:15 +03:00
parent def645a883
commit 5fe452bcfc

View File

@ -10,8 +10,10 @@ msg() {
printf "info >> %s\n" "$2" >&2
;;
warn)
printf "warning >> %s\n" "$2" >&2
printf "do you want to continue? press enter or ctrl+c to exit\n"
printf "warning >> %s\n" "$2" \
"are you sure you want to continue?" \
"press enter to continue or ctrl+c to exit" >&2
read -r _
;;
panic)
@ -418,16 +420,16 @@ create_initramfs() {
msg info "creating initramfs image"
# TODO add uncompressed option
# TODO remove grouping
{
# check if image already exist
[ -e "$initramfs" ] &&
msg warn "looks like you already have initramfs image"
(
cd "$workdir"
find . | cpio -oH newc | ${compress:-gzip -9}
) | tee "$initramfs"
} > /dev/null 2>&1 ||
) > "$initramfs" 2> /dev/null ||
msg panic "failed to generate initramfs image"
}
@ -437,14 +439,14 @@ create_initramfs() {
parse_args "$@"
parse_conf
# remove workdir on exit or unexpected error
trap remove_workdir EXIT INT
# remove workdir on exit
trap remove_workdir EXIT
[ "$debug" = 1 ] && {
# debug shell commands
set -x
# don't remove anything
trap - EXIT INT
trap - EXIT
}
create_workdir