Commit Briefs
include sha2.h too where sha1.h is included
In preparation for wide sha256 support; stsp@ agrees. Change done mechanically with find . -iname \*.[cy] -exec sam {} + X ,x/<sha1\.h>/i/\n#include <sha2.h>
let callers of got_pack_create() configure rate-limiting of progress reporting
Needed by future gotd(8), where progress reports will be sent to a network socket, rather than a local terminal.
move privsep code from pack_create.c into new file pack_create_privsep.c
Needed by future gotd(8). ok op@