Hello,
there is code in read-cache.c:add_to_index() which checks if a file to be
added is a regular file, directory, or symlink; this function otherwise
error()s out. It looks as if add_to_index() is supposed to be called via:
builtin/add.c:update_callback() ->
read-cache.c:add_file_to_index() ->
read-cache.c:add_to_index()
However, when trying to add a device special file, update_callback() ends up
never getting called, no error message is produced, and git add silently
fails:
$ sudo mknod foobar c 1 3
$ git add foobar
$ echo $?
0
Maybe someone familiar with run_diff_files() can have a look?
Thanks,
Andreas
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