Stefan Beller <sbeller@xxxxxxxxxx> writes:
> From: Ronnie Sahlberg <sahlberg@xxxxxxxxxx>
>
> Add a command line argument to the git push command to request atomic
> pushes.
>
> Signed-off-by: Ronnie Sahlberg <sahlberg@xxxxxxxxxx>
> Signed-off-by: Stefan Beller <sbeller@xxxxxxxxxx>
> ---
>
> Notes:
> Changes v1 -> v2
> It's --atomic now! (dropping the -push)
Also from the subject line ;-)
>
> Documentation/git-push.txt | 7 ++++++-
> builtin/push.c | 2 ++
> transport.c | 1 +
> transport.h | 1 +
> 4 files changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/git-push.txt b/Documentation/git-push.txt
> index 21b3f29..3feacc5 100644
> --- a/Documentation/git-push.txt
> +++ b/Documentation/git-push.txt
> @@ -9,7 +9,7 @@ git-push - Update remote refs along with associated objects
> SYNOPSIS
> --------
> [verse]
> -'git push' [--all | --mirror | --tags] [--follow-tags] [-n | --dry-run] [--receive-pack=<git-receive-pack>]
> +'git push' [--all | --mirror | --tags] [--follow-tags] [--atomic-push] [-n | --dry-run] [--receive-pack=<git-receive-pack>]
> [--repo=<repository>] [-f | --force] [--prune] [-v | --verbose]
> [-u | --set-upstream] [--signed]
> [--force-with-lease[=<refname>[:<expect>]]]
> @@ -136,6 +136,11 @@ already exists on the remote side.
> logged. See linkgit:git-receive-pack[1] for the details
> on the receiving end.
>
> +--atomic::
> + Use the an atomic transaction on the server side if available.
> + Either all refs are updated, or on error, no refs are updated.
> + If the server does not support atomic pushes the push will fail.
> +
> --receive-pack=<git-receive-pack>::
> --exec=<git-receive-pack>::
> Path to the 'git-receive-pack' program on the remote
> diff --git a/builtin/push.c b/builtin/push.c
> index a076b19..fe0b8cc 100644
> --- a/builtin/push.c
> +++ b/builtin/push.c
> @@ -518,6 +518,8 @@ int cmd_push(int argc, const char **argv, const char *prefix)
> OPT_BIT(0, "follow-tags", &flags, N_("push missing but relevant tags"),
> TRANSPORT_PUSH_FOLLOW_TAGS),
> OPT_BIT(0, "signed", &flags, N_("GPG sign the push"), TRANSPORT_PUSH_CERT),
> + OPT_BIT(0, "atomic", &flags, N_("use a single atomic transaction at the serverside, if available"),
> + TRANSPORT_ATOMIC_PUSH),
> OPT_END()
> };
>
> diff --git a/transport.c b/transport.c
> index c67feee..5b29514 100644
> --- a/transport.c
> +++ b/transport.c
> @@ -830,6 +830,7 @@ static int git_transport_push(struct transport *transport, struct ref *remote_re
> args.dry_run = !!(flags & TRANSPORT_PUSH_DRY_RUN);
> args.porcelain = !!(flags & TRANSPORT_PUSH_PORCELAIN);
> args.push_cert = !!(flags & TRANSPORT_PUSH_CERT);
> + args.atomic = !!(flags & TRANSPORT_ATOMIC_PUSH);
> args.url = transport->url;
>
> ret = send_pack(&args, data->fd, data->conn, remote_refs,
> diff --git a/transport.h b/transport.h
> index 3e0091e..25fa1da 100644
> --- a/transport.h
> +++ b/transport.h
> @@ -125,6 +125,7 @@ struct transport {
> #define TRANSPORT_PUSH_NO_HOOK 512
> #define TRANSPORT_PUSH_FOLLOW_TAGS 1024
> #define TRANSPORT_PUSH_CERT 2048
> +#define TRANSPORT_ATOMIC_PUSH 4096
>
> #define TRANSPORT_SUMMARY_WIDTH (2 * DEFAULT_ABBREV + 3)
> #define TRANSPORT_SUMMARY(x) (int)(TRANSPORT_SUMMARY_WIDTH + strlen(x) - gettext_width(x)), (x)
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