nix-prefetch-git: add -h as shortcut for --help to improve quality of life
Especially as a new user it is a much better experience to receive a proper help response to `-h`. Currently passing `-h` will cause some runtime error with the `git remote` error help being shown. Not very helpful. It doesn't hurt to be a bit more user friendly in this case.
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@ -68,7 +68,7 @@ for arg; do
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--leave-dotGit) leaveDotGit=true;;
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--fetch-submodules) fetchSubmodules=true;;
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--builder) builder=true;;
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--help) usage; exit;;
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-h|--help) usage; exit;;
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*)
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: $((++argi))
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case $argi in
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