Port restore command

[coveralls]

Pull Request Test Coverage Report for Build 0c5a81e7-4f67-44a8-add3-81d400a92478

• 259 of 326 (79.45%) changed or added relevant lines in 14 files are covered.
• 34 unchanged lines in 3 files lost coverage.
• Overall coverage increased (+0.3%) to 59.693%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
wandb/lib/git.py	1	2	50.0%
wandb/cli/cli.py	173	239	72.38%
<!--	Total:	259	326	79.45%	-->

Files with Coverage Reduction	New Missed Lines	%
wandb/compat/tempfile.py	2	59.09%
wandb/cli/cli.py	15	63.12%
tests/utils/mock_server.py	17	84.98%
<!--	Total:	34		-->

Totals
Change from base Build 56d7f4f4-fba3-4a10-97b8-b070834405fb:	0.3%
Covered Lines:	11692
Relevant Lines:	19587

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💛 - Coveralls