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Add a "git-show-index" helper that shows the contents of a pack index

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This was invaluable for debugging the zero-sized compression issue, and
might be useful for scripting too, if people want to see the contents of
a pack.
This commit is contained in:
Linus Torvalds
2005-07-05 17:08:02 -07:00
parent 291ec0f2d2
commit 0271611e39
2 changed files with 30 additions and 1 deletions
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show-index.c Normal file
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#include "cache.h"
int main(int argc, char **argv)
{
int i;
unsigned nr;
unsigned int entry[6];
static unsigned int top_index[256];
if (fread(top_index, sizeof(top_index), 1, stdin) != 1)
die("unable to read idex");
nr = 0;
for (i = 0; i < 256; i++) {
unsigned n = ntohl(top_index[i]);
if (n < nr)
die("corrupt index file");
nr = n;
}
for (i = 0; i < nr; i++) {
unsigned offset;
if (fread(entry, 24, 1, stdin) != 1)
die("unable to read entry %u/%u", i, nr);
offset = ntohl(entry[0]);
printf("%u %s\n", offset, sha1_to_hex((void *)(entry+1)));
}
return 0;
}