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authorLinus Torvalds <torvalds@osdl.org>2006-02-11 04:31:09 (GMT)
committerJunio C Hamano <junkio@cox.net>2006-02-11 06:28:30 (GMT)
commit5ee2ad654bc7d19ec4f08e11dc4fed8b97a59222 (patch)
treef524e60c8a63b6a97110c5602651a35831957cfc
parent29e55cd5ad9e17d2ff8a1a37b7ee45d18d1e59d6 (diff)
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Make "git clone" less of a deathly quiet experience
It used to be that "git-unpack-objects" would give nice percentages, but now that we don't unpack the initial clone pack any more, it doesn't. And I'd love to do that nice percentage view in the pack objects downloader too, but the thing doesn't even read the pack header, much less know how much it's going to get, so I was lazy and didn't. Instead, it at least prints out how much data it's gotten, and what the packing speed is. Which makes the user realize that it's actually doing something useful instead of sitting there silently (and if the recipient knows how large the final result is, he can at least make a guess about when it migt be done). So with this patch, I get something like this on my DSL line: [torvalds@g5 ~]$ time git clone master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 clone-test Packing 188543 objects 48.398MB (154 kB/s) where even the speed approximation seems to be roughtly correct (even though my algorithm is a truly stupid one, and only really gives "speed in the last half second or so"). Anyway, _something_ like this is definitely needed. It could certainly be better (if it showed the same kind of thing that git-unpack-objects did, that would be much nicer, but would require parsing the object stream as it comes in). But this is big step forward, I think. Signed-off-by: Linus Torvalds <torvalds@osdl.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
-rw-r--r--cache.h2
-rw-r--r--clone-pack.c10
-rw-r--r--fetch-clone.c28
-rw-r--r--fetch-pack.c2
4 files changed, 37 insertions, 5 deletions
diff --git a/cache.h b/cache.h
index bdbe2d6..c255421 100644
--- a/cache.h
+++ b/cache.h
@@ -348,6 +348,6 @@ extern int copy_fd(int ifd, int ofd);
/* Finish off pack transfer receiving end */
extern int receive_unpack_pack(int fd[2], const char *me, int quiet);
-extern int receive_keep_pack(int fd[2], const char *me);
+extern int receive_keep_pack(int fd[2], const char *me, int quiet);
#endif /* CACHE_H */
diff --git a/clone-pack.c b/clone-pack.c
index f634431..719e1c4 100644
--- a/clone-pack.c
+++ b/clone-pack.c
@@ -6,6 +6,8 @@ static const char clone_pack_usage[] =
"git-clone-pack [--exec=<git-upload-pack>] [<host>:]<directory> [<heads>]*";
static const char *exec = "git-upload-pack";
+static int quiet = 0;
+
static void clone_handshake(int fd[2], struct ref *ref)
{
unsigned char sha1[20];
@@ -123,7 +125,9 @@ static int clone_pack(int fd[2], int nr_match, char **match)
}
clone_handshake(fd, refs);
- status = receive_keep_pack(fd, "git-clone-pack");
+ if (!quiet)
+ fprintf(stderr, "Generating pack ...\r");
+ status = receive_keep_pack(fd, "git-clone-pack", quiet);
if (!status) {
if (nr_match == 0)
@@ -154,8 +158,10 @@ int main(int argc, char **argv)
char *arg = argv[i];
if (*arg == '-') {
- if (!strcmp("-q", arg))
+ if (!strcmp("-q", arg)) {
+ quiet = 1;
continue;
+ }
if (!strncmp("--exec=", arg, 7)) {
exec = arg + 7;
continue;
diff --git a/fetch-clone.c b/fetch-clone.c
index 859f400..b67d976 100644
--- a/fetch-clone.c
+++ b/fetch-clone.c
@@ -1,6 +1,7 @@
#include "cache.h"
#include "exec_cmd.h"
#include <sys/wait.h>
+#include <sys/time.h>
static int finish_pack(const char *pack_tmp_name, const char *me)
{
@@ -129,10 +130,12 @@ int receive_unpack_pack(int fd[2], const char *me, int quiet)
die("git-unpack-objects died of unnatural causes %d", status);
}
-int receive_keep_pack(int fd[2], const char *me)
+int receive_keep_pack(int fd[2], const char *me, int quiet)
{
char tmpfile[PATH_MAX];
int ofd, ifd;
+ unsigned long total;
+ static struct timeval prev_tv;
ifd = fd[0];
snprintf(tmpfile, sizeof(tmpfile),
@@ -141,6 +144,8 @@ int receive_keep_pack(int fd[2], const char *me)
if (ofd < 0)
return error("unable to create temporary file %s", tmpfile);
+ gettimeofday(&prev_tv, NULL);
+ total = 0;
while (1) {
char buf[8192];
ssize_t sz, wsz, pos;
@@ -165,6 +170,27 @@ int receive_keep_pack(int fd[2], const char *me)
}
pos += wsz;
}
+ total += sz;
+ if (!quiet) {
+ static unsigned long last;
+ struct timeval tv;
+ unsigned long diff = total - last;
+ /* not really "msecs", but a power-of-two millisec (1/1024th of a sec) */
+ unsigned long msecs;
+
+ gettimeofday(&tv, NULL);
+ msecs = tv.tv_sec - prev_tv.tv_sec;
+ msecs <<= 10;
+ msecs += (int)(tv.tv_usec - prev_tv.tv_usec) >> 10;
+ if (msecs > 500) {
+ prev_tv = tv;
+ last = total;
+ fprintf(stderr, "%4lu.%03luMB (%lu kB/s) \r",
+ total >> 20,
+ 1000*((total >> 10) & 1023)>>10,
+ diff / msecs );
+ }
+ }
}
close(ofd);
return finish_pack(tmpfile, me);
diff --git a/fetch-pack.c b/fetch-pack.c
index 27f5d2a..aa6f42a 100644
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -378,7 +378,7 @@ static int fetch_pack(int fd[2], int nr_match, char **match)
fprintf(stderr, "warning: no common commits\n");
if (keep_pack)
- status = receive_keep_pack(fd, "git-fetch-pack");
+ status = receive_keep_pack(fd, "git-fetch-pack", quiet);
else
status = receive_unpack_pack(fd, "git-fetch-pack", quiet);