Commit Briefs
show the path of a lock file when locking it fails
before: gotadmin: lockfile timeout after: gotadmin: gc.pid.lock: lockfile timeout
add a lock for the cleanup operation
This adds the functions got_repo_cleanup_prepare() and _complete() to lock/unlock the repository to prevent multiple `gotadmin cleanup' or `git gc' operations to run in parallel. improvements and ok stsp@
add O_CLOEXEC (close-on-exec) to openat(2) calls
suggested by millert ok thomas_adam
add O_CLOEXEC (close-on-exec) flag to open(2) calls
suggested by millert ok thomas_adam
got_error_from_errno -> got_error_prefix_errno
also add got_error_prefix_errno2 and got_error_prefix_errno3 which should hopefully all be merged into a single function with variadic args (but can't alloc mem)