On 07/21/2015 08:45 AM, David Turner wrote:
> The safe_create_reflog function creates a reflog, if it does not
> already exist.
>
> The log_ref_setup function becomes private and gains a force_create
> parameter to force the creation of a reflog even if log_all_ref_updates
> is false or the refname is not one of the special refnames.
>
> The new parameter also reduces the need to store, modify, and restore
> the log_all_ref_updates global before reflog creation.
>
> In a moment, we will use this to add reflog creation commands to
> git-reflog.
>
> Signed-off-by: David Turner <dturner@xxxxxxxxxxxxxxxx>
> ---
> builtin/checkout.c | 14 +++++---------
> refs.c | 24 ++++++++++++++++++++----
> refs.h | 2 +-
> 3 files changed, 26 insertions(+), 14 deletions(-)
>
> [...]
> diff --git a/refs.c b/refs.c
> index 2efa2dc..3277768 100644
> --- a/refs.c
> +++ b/refs.c
> @@ -3128,8 +3128,13 @@ static int should_autocreate_reflog(const char *refname)
> !strcmp(refname, "HEAD");
> }
>
> -/* This function will fill in *err and return -1 on failure */
> -int log_ref_setup(const char *refname, struct strbuf *sb_logfile, struct strbuf *err)
> +/*
> + * Create a reflog for a ref. If force_create = 0, the reflog will
> + * only be created for certain refs (those for which
> + * should_autocreate_reflog returns non-zero. Otherwise, create it
> + * regardless of the ref name. Fill in *err and return -1 on failure.
> + */
> +static int log_ref_setup(const char *refname, struct strbuf *sb_logfile, struct strbuf *err, int force_create)
> {
> int logfd, oflags = O_APPEND | O_WRONLY;
> char *logfile;
> @@ -3138,7 +3143,7 @@ int log_ref_setup(const char *refname, struct strbuf *sb_logfile, struct strbuf
> logfile = sb_logfile->buf;
> /* make sure the rest of the function can't change "logfile" */
> sb_logfile = NULL;
> - if (should_autocreate_reflog(refname)) {
> + if (force_create || should_autocreate_reflog(refname)) {
> if (safe_create_leading_directories(logfile) < 0) {
> strbuf_addf(err, "unable to create directory for %s: "
> "%s", logfile, strerror(errno));
I think usually the "strbuf *err" parameter is the last one in our APIs.
I noticed this when reviewing patch 5/7, where there is a similar flags
argument that comes *before* "err". Consistency would suggest that
"force_create" come before "err".
Michael
--
Michael Haggerty
mhagger@xxxxxxxxxxxx
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