portable: add back sys/queue.h Now that the handling of including sys/queue.h is better, there's no need to remove those lines from the source. Copy the location of those original sys/queue.h lines from upstream at the same line number, so as to avoid any conflicts in the future.

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

portable: fix-up sha1.h include -portable doesn't need this directly.

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@

portable: include sha1.h portably Don't directly include sha1.h as this isn't always in the same location across systems.

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@

portable: freebsd: portably include sha1 The SHA implementation is found portably across systems, so don't include sha1.h directly.

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@

portable: make UUID includes generic Move the detection of UUID header files to be included portably. This will have no functional effect until MacOS detection is put in place.

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

portable: remove queue.h queue.h is included portably, so it shouldn't be included directly.

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