nixpkgs/pkgs/build-support/upstream-updater/create-src-info-git.sh

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#! /bin/sh
[ -z "$1" ] && {
echo "Use $0 expression-basename repo-url branch-name package-base-name"
echo "Like:"
echo "$0 default http://git.example.com/repo origin/master hello"
exit 1;
} >&2
own_dir="$(cd "$(dirname "$0")"; sh -c pwd)"
cp "$own_dir/../builder-defs/template-bdp-uud.nix" "$1.nix"
sed -e "s@src-for-default.nix@src-for-$1.nix@g;
s@fetchUrlFromSrcInfo@fetchGitFromSrcInfo@g" -i "$1.nix"
echo '{}' > "src-for-$1.nix"
cat << EOF > src-info-for-$1.nix
{
repoUrl = "$2";
rev = "$3";
baseName = "$4";
method = "fetchgit";
}
EOF