> Btw, another alternative to "git prune" is actually to do
>
> git repack -a -d
>
> and then just delete all unpacked objects.
No, that's dangerous too. The index file is considered part of the root
set for git-fsck-objects, but not for git-repack.
Example script:
$ git-init-db
$ cat > hello.c
#include <stdio.h>
int
main(void)
{
puts("Hello, world!");
return 0;
}
$ git-update-index --add hello.c
$ git-repack -a -d
Generating pack...
Done counting 0 objects.
Nothing new to pack.
$ rm .git/objects/67/159ba959e0a0cd6157bf04d5dad66af59383c2
rm: remove write-protected regular file `.git/objects/67/159ba959e0a0cd6157bf04d5dad66af59383c2'? y
$ git commit
error: invalid object 67159ba959e0a0cd6157bf04d5dad66af59383c2
fatal: git-write-tree: error building trees
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