nixpkgs/pkgs/applications/version-management/git-and-tools/fast-export/default.nix

68 lines
1.9 KiB
Nix

{lib, stdenv, fetchFromGitHub, git, mercurial, makeWrapper}:
stdenv.mkDerivation rec {
pname = "fast-export";
version = "200213";
src = fetchFromGitHub {
owner = "frej";
repo = pname;
rev = "v${version}";
sha256 = "0hzyh66rlawxip4n2pvz7pbs0cq82clqv1d6c7hf60v1drjxw287";
};
nativeBuildInputs = [ makeWrapper ];
buildInputs = [mercurial.python mercurial];
installPhase = ''
binPath=$out/bin
libexecPath=$out/libexec/${pname}
sitepackagesPath=$out/${mercurial.python.sitePackages}
mkdir -p $binPath $libexecPath $sitepackagesPath
# Patch shell scripts so they can execute the Python scripts
sed -i "s|ROOT=.*|ROOT=$libexecPath|" *.sh
mv hg-fast-export.sh hg-reset.sh $binPath
mv hg-fast-export.py hg-reset.py $libexecPath
mv hg2git.py pluginloader plugins $sitepackagesPath
for script in $out/bin/*.sh; do
wrapProgram $script \
--prefix PATH : "${git}/bin":"${mercurial.python}/bin":$libexec \
--prefix PYTHONPATH : "${mercurial}/${mercurial.python.sitePackages}":$sitepackagesPath
done
'';
doInstallCheck = true;
# deliberately not adding git or hg into installCheckInputs - package should
# be able to work without them in runtime env
installCheckPhase = ''
mkdir repo-hg
pushd repo-hg
${mercurial}/bin/hg init
echo foo > bar
${mercurial}/bin/hg add bar
${mercurial}/bin/hg commit --message "baz"
popd
mkdir repo-git
pushd repo-git
${git}/bin/git init
${git}/bin/git config core.ignoreCase false # for darwin
$out/bin/hg-fast-export.sh -r ../repo-hg/ --hg-hash
for s in "foo" "bar" "baz" ; do
(${git}/bin/git show | grep $s > /dev/null) && echo $s found
done
popd
'';
meta = with lib; {
description = "Import mercurial into git";
homepage = "https://repo.or.cz/w/fast-export.git";
license = licenses.gpl2;
maintainers = [ maintainers.koral ];
platforms = platforms.unix;
};
}