clear gw_trans->pack_fds pointer in gotweb

fix recent regression in gotweb for pack_fds

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

move creation of tempfiles outside of lib/diff.c ok tracey

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@

fix typo in comment: navicate -> navigate

pass an already open commit object to the blame callback ok op@

stop relying on commit cache for good performance of got_object_id_by_path() Instead of internally opening and closing the same commit object over and over again, require callers to pass an open commit object in. Avoids an inherent dependency on the commit object cache for reasonable performance. ok op@

fix free() on uninitialized variable upon error in gw_output_file_blame() ok op@

rm unused vars

const-ify tables ok thomas_adam millert

style

unbreak gotweb index when pack files are missing

add "e" (close-on-exec) flag to fopen(3) calls suggested by millert ok thomas_adam

implement 'got diff -c' for diffing commits with optional filtering by path Need for filtering by path sugggested by kn@ ok naddy@

portable: initial Linux compilation This commit modifies the GoT main branch to be able to compile it under linux.

indentation fixes

use gmtime_r(3) instead of localtime_r(3) to display time in UTC as intended Problem noticed by naddy due to failing regress tests at midnight, and then analyzed with additional help from millert. ok naddy

goto the right label, so we can get previous on the last page of briefs

we will never have a previous link on the summary page

fix missed commit found check

fix a glaring logic error in navigation for commits, briefs, and tags. now, we get the proper commit id from the tailq.

switch from SIMPLEQ to equivalent STAILQ macros The singly-linked tail queue macros were added to OpenBSD 6.9 and are more widely available on other systems. ok stsp

make it possible to profile gotweb; tracey had the same diff

unveil gmon.out if gotweb is being profiled ok tracey