On Wed, 27 Jan 2010, Ilari Liusvaara wrote:
> remote.<remote>.vcs causes remote->foreign_vcs to be set on entry to
> transport_get(). Unfortunately, the code assumed that any such entry
> is stale from previous round.
>
> Fix this by making VCS set by URL to be volatile w.r.t. transport_get()
> instead.
>
> Signed-off-by: Ilari Liusvaara <ilari.liusvaara@xxxxxxxxxxx>
Except that you missed the "remote == NULL" case (noted below), this is
what I was thinking of.
Acked-by: Daniel Barkalow <barkalow@xxxxxxxxxxxx>
> ---
> transport.c | 11 +++++------
> 1 files changed, 5 insertions(+), 6 deletions(-)
>
> Differences from first round:
>
> This makes VCS setting apply to all URLs that don't explicitly override,
> instead of it applying to just the first one.
>
> diff --git a/transport.c b/transport.c
> index 7714fdb..87581b8 100644
> --- a/transport.c
> +++ b/transport.c
> @@ -912,20 +912,19 @@ static int external_specification_len(const char *url)
>
> struct transport *transport_get(struct remote *remote, const char *url)
> {
> + const char *helper;
> struct transport *ret = xcalloc(1, sizeof(*ret));
>
> if (!remote)
> die("No remote provided to transport_get()");
>
> ret->remote = remote;
> + helper = remote->foreign_vcs;
Needs to be "helper = remote ? remote->foreign_vcs : NULL", for the same
reason that the test below had been "remote && remote->foreign_vcs".
>
> if (!url && remote && remote->url)
> url = remote->url[0];
> ret->url = url;
>
> - /* In case previous URL had helper forced, reset it. */
> - remote->foreign_vcs = NULL;
> -
> /* maybe it is a foreign URL? */
> if (url) {
> const char *p = url;
> @@ -933,11 +932,11 @@ struct transport *transport_get(struct remote *remote, const char *url)
> while (isalnum(*p))
> p++;
> if (!prefixcmp(p, "::"))
> - remote->foreign_vcs = xstrndup(url, p - url);
> + helper = xstrndup(url, p - url);
> }
>
> - if (remote && remote->foreign_vcs) {
> - transport_helper_init(ret, remote->foreign_vcs);
> + if (helper) {
> + transport_helper_init(ret, helper);
> } else if (!prefixcmp(url, "rsync:")) {
> ret->get_refs_list = get_refs_via_rsync;
> ret->fetch = fetch_objs_via_rsync;
> --
> 1.7.0.rc0.19.gb557e6
>
>
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