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>

add missing check for errors from got_gotconfig_read() in open_worktree()

using a local packfd variable in open_worktree() is sufficient

move got_opentempfd out of got_repo_open. ok stsp@ thanks for all the help massaging this diff

inline struct got_object_id in struct got_object_qid Saves us from doing a malloc/free call for every item on the list. ok op@

add O_CLOEXEC (close-on-exec) flag to open(2) calls suggested by millert ok thomas_adam

let gotadmin find the repository automatically if invoked in a work tree Move a small amount of code from worktree.c to a new file worktree_open.c, which contains everything required to open and close a work tree and inspect some of its basic parameters. This can be used by gotadmin. ok tracey