If we already have a strbuf, then using write_file_buf is a
little nicer to read (no wondering whether "%s" will eat
your NULs), and it's more efficient (no extra formatting
step).

We don't care about the newline magic of write_file(), as we
have our own multi-line content.

Signed-off-by: Jeff King <p...@peff.net>
---
Almost forgot this one. I had originally converted to write_file_buf
directly, but later reshuffled the patches to make the refactoring more
clear.

 builtin/branch.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/builtin/branch.c b/builtin/branch.c
index 15232c4..1d41251 100644
--- a/builtin/branch.c
+++ b/builtin/branch.c
@@ -618,7 +618,7 @@ static int edit_branch_description(const char *branch_name)
                    "  %s\n"
                    "Lines starting with '%c' will be stripped.\n",
                    branch_name, comment_line_char);
-       write_file(git_path(edit_description), "%s", buf.buf);
+       write_file_buf(git_path(edit_description), buf.buf, buf.len);
        strbuf_reset(&buf);
        if (launch_editor(git_path(edit_description), &buf, NULL)) {
                strbuf_release(&buf);
-- 
2.9.0.393.g704e522

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