fix(release): use correct arguments for head(1) and tail(1) calls

This ensures that the NEWS fragments can be produced correctly.

diff --git a/tools/release.sh b/tools/release.sh
index 5e6a8f73ee0b670fb2afbbc0e0cc87ae6492a5ef..a01330c0e3814615d9ee9972cb360af0018216ed 100755 (executable)
--- a/tools/release.sh
+++ b/tools/release.sh
@@ -34,8 +34,8 @@ make AUTHORS
 if ! type -p clog &> /dev/null; then
     cargo install clog-cli --version 0.9.3
 fi
-head -2 NEWS.md > NEWS_header.md
-tail +2 NEWS.md > NEWS_body.md
+head --lines=-2 NEWS.md > NEWS_header.md
+tail --lines=+2 NEWS.md > NEWS_body.md
 printf "dracut-ng-%s\n=============\n" "$NEW_VERSION" > NEWS_header_new.md
 
 # Append the list to the section in `NEWS.md`