if test t != "$preserve_merges"
then
git rebase--helper --make-script ${keep_empty:+--keep-empty} \
- $revisions ${restrict_revision+^$restrict_revision} >"$todo"
+ $revisions ${restrict_revision+^$restrict_revision} >"$todo" ||
+ die "$(gettext "Could not generate todo list")"
else
format=$(git config --get rebase.instructionFormat)
# the 'rev-list .. | sed' requires %m to parse; the instruction requires %H to parse