On Wed, Jun 11, 2025 at 8:27 AM <siddharthasthana31@xxxxxxxxx> wrote: > Reported-by: Vasilii Iakliushin <viakliushin@xxxxxxxxxx> > Reviewed-by: Christian Couder <christian.couder@xxxxxxxxx> Nit: I reviewed it when you suggested it on a GitLab MR (Merge Request), but I am not sure it counts unless I also review it here. I think the "Reviewed-by: ..." trailer is for patches reviewed on the regular Git mailing list (or maybe on the private Git security list). So maybe "Helped-by: ..." would have been better in this case. Anyway I have now reviewed it again and I found it great. Thanks for working on this! > Signed-off-by: Siddharth Asthana <siddharthasthana31@xxxxxxxxx> > --- > ident.c | 4 ++++ > t/t4203-mailmap.sh | 33 +++++++++++++++++++++++++++++++++ > 2 files changed, 37 insertions(+) > > diff --git a/ident.c b/ident.c > index 967895d885..281e830573 100644 > --- a/ident.c > +++ b/ident.c > @@ -412,6 +412,10 @@ void apply_mailmap_to_header(struct strbuf *buf, const char **header, > found_header = 1; > buf_offset += endp - line; > buf_offset += rewrite_ident_line(person, endp - person, buf, mailmap); > + /* Recompute endp after potential buffer reallocation */ > + endp = buf->buf + buf_offset; > + if (*endp == '\n') > + buf_offset++; Yeah, without this, in the next iteration of the `for (;;) { ... }` loop after the "author" header has been found, we have: line = buf->buf + buf_offset; which sets `line` to something like "\ncommitter C O Mitter <committer@xxxxxxxxxxx> ...", and then: if (!*line || *line == '\n') return; /* End of headers */ which just returns as `*line` is indeed '\n'. > break; > }