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Merge branch 'jc/index-pack'

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* jc/index-pack:
  verify-pack: use index-pack --verify
  index-pack: show histogram when emulating "verify-pack -v"
  index-pack: start learning to emulate "verify-pack -v"
  index-pack: a miniscule refactor
  index-pack --verify: read anomalous offsets from v2 idx file
  write_idx_file: need_large_offset() helper function
  index-pack: --verify
  write_idx_file: introduce a struct to hold idx customization options
  index-pack: group the delta-base array entries also by type

Conflicts:
	builtin/verify-pack.c
	cache.h
	sha1_file.c
This commit is contained in:
Junio C Hamano
2011-07-19 09:54:51 -07:00
parent 54dbc1f9e6 3de89c9d42
commit d907bf8ef3
11 changed files with 399 additions and 253 deletions
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46
csum-file.c
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@ -11,8 +11,20 @@
#include "progress.h"
#include "csum-file.h"
static void flush(struct sha1file *f, void * buf, unsigned int count)
static void flush(struct sha1file *f, void *buf, unsigned int count)
{
if (0 <= f->check_fd && count) {
unsigned char check_buffer[8192];
ssize_t ret = read_in_full(f->check_fd, check_buffer, count);
if (ret < 0)
die_errno("%s: sha1 file read error", f->name);
if (ret < count)
die("%s: sha1 file truncated", f->name);
if (memcmp(buf, check_buffer, count))
die("sha1 file '%s' validation error", f->name);
}
for (;;) {
int ret = xwrite(f->fd, buf, count);
if (ret > 0) {
@ -59,6 +71,17 @@ int sha1close(struct sha1file *f, unsigned char *result, unsigned int flags)
fd = 0;
} else
fd = f->fd;
if (0 <= f->check_fd) {
char discard;
int cnt = read_in_full(f->check_fd, &discard, 1);
if (cnt < 0)
die_errno("%s: error when reading the tail of sha1 file",
f->name);
if (cnt)
die("%s: sha1 file has trailing garbage", f->name);
if (close(f->check_fd))
die_errno("%s: sha1 file error on close", f->name);
}
free(f);
return fd;
}
@ -101,10 +124,31 @@ struct sha1file *sha1fd(int fd, const char *name)
return sha1fd_throughput(fd, name, NULL);
}
struct sha1file *sha1fd_check(const char *name)
{
int sink, check;
struct sha1file *f;
sink = open("/dev/null", O_WRONLY);
if (sink < 0)
return NULL;
check = open(name, O_RDONLY);
if (check < 0) {
int saved_errno = errno;
close(sink);
errno = saved_errno;
return NULL;
}
f = sha1fd(sink, name);
f->check_fd = check;
return f;
}
struct sha1file *sha1fd_throughput(int fd, const char *name, struct progress *tp)
{
struct sha1file *f = xmalloc(sizeof(*f));
f->fd = fd;
f->check_fd = -1;
f->offset = 0;
f->total = 0;
f->tp = tp;