log: document --encoding behavior on iconv() failure

We already note that we may produce invalid output when we skip calling
iconv() altogether. But we may also do so if iconv() fails, and we have
no good alternative. Let's document this to avoid surprising users.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Jeff King 11 months ago committed by Junio C Hamano
parent 0988e665e9
commit 9e8fe7b1c7
  1. 4

@ -40,7 +40,9 @@ people using 80-column terminals.
defaults to UTF-8. Note that if an object claims to be encoded
in `X` and we are outputting in `X`, we will output the object
verbatim; this means that invalid sequences in the original
commit may be copied to the output.
commit may be copied to the output. Likewise, if iconv(3) fails
to convert the commit, we will quietly output the original
object verbatim.