git/githistory/log: use non-blocking write in *PercentageTask
git/githistory/log: use non-blocking write in *PercentageTask

github/git-lfs,aleb/git-lfs,Jericho25/-git-lfs_miilkyway,github/git-lfs,dakotahawkins/git-lfs,dakotahawkins/git-lfs,dakotahawkins/git-lfs,Jericho25/-git-lfs_miilkyway,aleb/git-lfs,github/git-lfs,aleb/git-lfs,Jericho25/-git-lfs_miilkyway