On Tue, May 13, 2014 at 1:15 PM, Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx> wrote:
> The daemon would immediately load the new index in memory in
> background. Next time Git needs to read the index again, everything is
> ready.
>
> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
> ---
> cache.h | 1 +
> read-cache.c | 53 ++++++++++++++++++++++++++++++++++++++++++++++++-----
> 2 files changed, 49 insertions(+), 5 deletions(-)
>
> diff --git a/cache.h b/cache.h
> index fb29c7e..3115b86 100644
> --- a/cache.h
> +++ b/cache.h
> @@ -483,6 +483,7 @@ extern int is_index_unborn(struct index_state *);
> extern int read_index_unmerged(struct index_state *);
> #define COMMIT_LOCK (1 << 0)
> #define CLOSE_LOCK (1 << 1)
> +#define REFRESH_DAEMON (1 << 2)
> extern int write_locked_index(struct index_state *, struct lock_file *lock, unsigned flags);
> extern int discard_index(struct index_state *);
> extern int unmerged_index(const struct index_state *);
> diff --git a/read-cache.c b/read-cache.c
> index e98521f..d5c9247 100644
> --- a/read-cache.c
> +++ b/read-cache.c
> @@ -16,6 +16,9 @@
> #include "varint.h"
> #include "split-index.h"
> #include "sigchain.h"
> +#include "unix-socket.h"
> +#include "pkt-line.h"
> +#include "run-command.h"
>
> static struct cache_entry *refresh_cache_entry(struct cache_entry *ce,
> unsigned int options);
> @@ -2030,6 +2033,32 @@ void set_alternate_index_output(const char *name)
> alternate_index_output = name;
> }
>
> +static void refresh_daemon(struct index_state *istate)
> +{
> + int fd;
> + fd = unix_stream_connect(git_path("daemon/index"));
> + if (fd < 0) {
> + struct child_process cp;
> + const char *av[] = {"read-cache--daemon", "--detach", NULL };
> + memset(&cp, 0, sizeof(cp));
> + cp.argv = av;
> + cp.git_cmd = 1;
> + cp.no_stdin = 1;
> + if (run_command(&cp))
> + warning(_("failed to start read-cache--daemon: %s"),
> + strerror(errno));
> + return;
> + }
> + /*
> + * packet_write() could die() but unless this is from
> + * update_index_if_able(), we're about to exit anyway,
> + * probably ok to die (for now). Blocking mode is another
> + * problem to deal with later.
> + */
> + packet_write(fd, "refresh");
> + close(fd);
> +}
> +
Seems the argument 'istate' isn't used.
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