mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-04 19:45:54 +00:00
37 lines
893 B
Bash
37 lines
893 B
Bash
# tested so far with:
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# - no revision specified and remote has a HEAD which is used
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# - revision specified and remote has a HEAD
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# - revision specified and remote without HEAD
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source $stdenv/setup
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header "exporting $url (rev $rev) into $out"
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git init $out
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cd $out
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git remote add origin "$url"
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git fetch --progress origin
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git remote set-head origin -a || (
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test -n "$rev" && echo "that's ok, we want $rev" || exit 1)
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if test -n "$rev"; then
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echo "Trying to checkout: $rev"
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parsed_rev=$(
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git rev-parse --verify "$rev" 2>/dev/null ||
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git rev-parse --verify origin/"$rev" 2>/dev/null
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)
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git reset --hard $parsed_rev
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git checkout -b __nixos_build__
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else
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git checkout -b __nixos_build__ origin/HEAD
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fi
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if test -f .gitmodules; then
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git submodule update --init
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fi
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if test -z "$leaveDotGit"; then
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find $out -name .git\* | xargs rm -rf
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fi
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stopNest
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