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Add help flag to nix-prefetch-git
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@ -22,6 +22,22 @@ else
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leaveDotGit=true
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fi
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usage(){
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echo >&2 "syntax: nix-prefetch-git [options] [URL [REVISION [EXPECTED-HASH]]]
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Options:
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--out path Path where the output would be stored.
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--url url Any url understand by 'git clone'.
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--rev ref Any sha1 or references (such as refs/heads/master)
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--hash h Expected hash.
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--deepClone Clone submodules recursively.
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--no-deepClone Do not clone submodules.
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--leave-dotGit Keep the .git directories.
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--fetch-submodules Fetch submodules.
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--builder Clone as fetchgit does, but url, rev, and out option are mandatory.
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"
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exit 1
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}
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argi=0
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argfun=""
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@ -38,6 +54,7 @@ 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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*)
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argi=$(($argi + 1))
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case $argi in
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@ -59,23 +76,6 @@ for arg; do
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fi
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done
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usage(){
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echo >&2 "syntax: nix-prefetch-git [options] [URL [REVISION [EXPECTED-HASH]]]
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Options:
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--out path Path where the output would be stored.
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--url url Any url understand by 'git clone'.
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--rev ref Any sha1 or references (such as refs/heads/master)
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--hash h Expected hash.
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--deepClone Clone submodules recursively.
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--no-deepClone Do not clone submodules.
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--leave-dotGit Keep the .git directories.
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--fetch-submodules Fetch submodules.
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--builder Clone as fetchgit does, but url, rev, and out option are mandatory.
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"
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exit 1
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}
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if test -z "$url"; then
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usage
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fi
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