Re: [PATCH v2 4/6] refs: add safe_create_reflog function

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David Turner <dturner@xxxxxxxxxxxxxxxx> writes:

> Make log_ref_setup private, and add public safe_create_reflog which
> calls log_ref_setup.
>
> In a moment, we will use safe_create_reflog to add reflog creation
> commands to git-reflog.
>
> Signed-off-by: David Turner <dturner@xxxxxxxxxxxxxxxx>
> ---
>  builtin/checkout.c |  4 +---
>  refs.c             | 11 +++++++++++
>  refs.h             |  2 +-
>  3 files changed, 13 insertions(+), 4 deletions(-)
>
> diff --git a/builtin/checkout.c b/builtin/checkout.c
> index 93f63d3..b793670 100644
> --- a/builtin/checkout.c
> +++ b/builtin/checkout.c
> @@ -621,7 +621,6 @@ static void update_refs_for_switch(const struct checkout_opts *opts,
>  		if (opts->new_orphan_branch) {
>  			if (opts->new_branch_log && !log_all_ref_updates) {
>  				int temp;
> -				struct strbuf log_file = STRBUF_INIT;
>  				int ret;
>  				const char *ref_name;
>  				struct strbuf err = STRBUF_INIT;
> @@ -629,9 +628,8 @@ static void update_refs_for_switch(const struct checkout_opts *opts,
>  				ref_name = mkpath("refs/heads/%s", opts->new_orphan_branch);
>  				temp = log_all_ref_updates;
>  				log_all_ref_updates = 1;
> -				ret = log_ref_setup(ref_name, &log_file, &err);
> +				ret = safe_create_reflog(ref_name, &err);
>  				log_all_ref_updates = temp;
> -				strbuf_release(&log_file);
>  				if (ret) {
>  					fprintf(stderr, _("Can not do reflog for '%s'. %s\n"),
>  						opts->new_orphan_branch, err.buf);

Yup, much nicer ;-)

> diff --git a/refs.c b/refs.c
> index de7b5ef..7b02c45 100644
> --- a/refs.c
> +++ b/refs.c
> @@ -3171,6 +3171,17 @@ int log_ref_setup(const char *refname, struct strbuf *sb_logfile, struct strbuf
>  	return 0;
>  }
>  
> +
> +int safe_create_reflog(const char *refname, struct strbuf *err)
> +{
> +	int ret;
> +	struct strbuf sb = STRBUF_INIT;
> +
> +	ret = log_ref_setup(refname, &sb, err);
> +	strbuf_release(&sb);
> +	return ret;
> +}
> +
>  static int log_ref_write_fd(int fd, const unsigned char *old_sha1,
>  			    const unsigned char *new_sha1,
>  			    const char *committer, const char *msg)
> diff --git a/refs.h b/refs.h
> index debdefc..2986aac 100644
> --- a/refs.h
> +++ b/refs.h
> @@ -228,7 +228,7 @@ int pack_refs(unsigned int flags);
>  /*
>   * Setup reflog before using. Fill in err and return -1 on failure.
>   */
> -int log_ref_setup(const char *refname, struct strbuf *logfile, struct strbuf *err);
> +int safe_create_reflog(const char *refname, struct strbuf *err);
>  
>  /** Reads log for the value of ref during at_time. **/
>  extern int read_ref_at(const char *refname, unsigned int flags,
--
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