"Matwey V. Kornilov" <matwey.kornilov@xxxxxxxxx> writes: > It seems there is some issue with double escaping: > ... >> # git rebase --preserve-merges -s recursive -Xdiff-algorithm=patience >> --onto abc-3.8 v3.8 abc-3.9 >> >> And then I see: >> >> fatal: Unknown option for merge-recursive: -X'diff-algorithm=patience' The string looks like a result of a shell script that quotes any end-user controlled string before incorporating into a string to be eval-ed, or something like that. Is this a recent regression? Does a bit older version of Git, like 2.12 or older, behave differently?