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authorLinus Torvalds <torvalds@g5.osdl.org>2005-07-06 00:08:02 (GMT)
committerLinus Torvalds <torvalds@g5.osdl.org>2005-07-06 00:08:02 (GMT)
commit0271611e390c3aaacc4f4f0529c10c7b095ed682 (patch)
tree1cc299c2fe21496af1169311b09f15da9d5b75ab
parent291ec0f2d2ce65e5ccb876b46d6468af49ddb82e (diff)
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Add a "git-show-index" helper that shows the contents of a pack index
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.
-rw-r--r--Makefile3
-rw-r--r--show-index.c28
2 files changed, 30 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 877d10b..5dcfc24 100644
--- a/Makefile
+++ b/Makefile
@@ -43,7 +43,8 @@ PROG= git-update-cache git-diff-files git-init-db git-write-tree \
git-get-tar-commit-id git-apply git-stripspace \
git-diff-stages git-rev-parse git-patch-id git-pack-objects \
git-unpack-objects git-verify-pack git-receive-pack git-send-pack \
- git-prune-packed git-fetch-pack git-upload-pack git-clone-pack
+ git-prune-packed git-fetch-pack git-upload-pack git-clone-pack \
+ git-show-index
all: $(PROG)
diff --git a/show-index.c b/show-index.c
new file mode 100644
index 0000000..c21d660
--- /dev/null
+++ b/show-index.c
@@ -0,0 +1,28 @@
+#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;
+}