René Scharfe <l.s.r@xxxxxx> writes: > diff --git a/diff.c b/diff.c > index a178ed3..be11e4e 100644 > --- a/diff.c > +++ b/diff.c > @@ -3109,7 +3109,7 @@ static void fill_metainfo(struct strbuf *msg, > } > strbuf_addf(msg, "%s%sindex %s..", line_prefix, set, > find_unique_abbrev(one->oid.hash, abbrev)); > - strbuf_addstr(msg, find_unique_abbrev(two->oid.hash, abbrev)); > + strbuf_add_unique_abbrev(msg, two->oid.hash, abbrev); OK. > diff --git a/submodule.c b/submodule.c > index dcc5ce3..8cf40ea 100644 > --- a/submodule.c > +++ b/submodule.c > @@ -396,7 +396,7 @@ static void show_submodule_header(FILE *f, const char *path, > find_unique_abbrev(one->hash, DEFAULT_ABBREV)); > if (!fast_backward && !fast_forward) > strbuf_addch(&sb, '.'); > - strbuf_addstr(&sb, find_unique_abbrev(two->hash, DEFAULT_ABBREV)); > + strbuf_add_unique_abbrev(&sb->hash, two, DEFAULT_ABBREV); I wonder how could this change come out of this definition: @@ expression E1, E2, E3; @@ - strbuf_addstr(E1, find_unique_abbrev(E2, E3)); + strbuf_add_unique_abbrev(E1, E2, E3);