tail: Handle missing/dir paths via metadata() #17036

Job	Run time
Style/Python	7s
Style/lint (ubuntu-latest, all, true)	2m 20s
Style/format (ubuntu-latest, feat_os_unix)	11s
Style/spelling (ubuntu-latest, feat_os_unix)	16s
Style/toml	11s
Style/lint (windows-latest, feat_os_windows)	3m 24s
Pre-commit hooks	33s
Style/lint (macos-latest, feat_os_macos)	3m 8s
	10m 10s

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