commands: initialize with capacity, not len
commands: initialize with capacity, not len

/cc 7af92813912bccf1f144b87a59fdedf28cfd62b6

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