rebase: fix documentation about used shell in -x

The shell used when using the -x option is erroneously documented to be the one pointed to by the $SHELL environmental variable. This was true when rebase was implemented as a shell script but this is no longer true. Signed-off-by: Nikolay Borisov <nik.borisov@suse.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Nikolay Borisov committed Jan 17, 2024 at 10:53 UTC f10031fadd92e1937c7fae0e9a44801d9f832e9e
1 file changed +3 -4
Documentation/git-rebase.txt
+3 -4
@@ -957,10 +957,9 @@ The interactive rebase will stop when a command fails (i.e. exits with
957 non-0 status) to give you an opportunity to fix the problem. You can
958 continue with `git rebase --continue`.
959
960 -The "exec" command launches the command in a shell (the one specified
961 -in `$SHELL`, or the default shell if `$SHELL` is not set), so you can
962 -use shell features (like "cd", ">", ";" ...). The command is run from
963 -the root of the working tree.
960 +The "exec" command launches the command in a shell (the default one, usually
961 +/bin/sh), so you can use shell features (like "cd", ">", ";" ...). The command
962 +is run from the root of the working tree.
963
964 ----------------------------------
965 $ git rebase -i --exec "make test"