80 lines
2.6 KiB
Nix
80 lines
2.6 KiB
Nix
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{ stdenv, fetchgit, ruby, gnugrep, diffutils, git, darcs }:
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stdenv.mkDerivation rec {
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name = "darcs-to-git-${version}";
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version = "0.2git";
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src = fetchgit {
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url = "git://github.com/purcell/darcs-to-git.git";
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rev = "58a55936899c7e391df5ae1326c307fbd4617a25";
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sha256 = "366aa691920991e21cfeebd4cbd53a6c42d80e2bc46ff398af482d1d15bac4c3";
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};
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patchPhase = let
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matchExecution = ''(\<(output_of|system|run)\([^"%]*("|%w\()|^[^"`]*`)'';
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in ''
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sed -r -i \
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-e '1s|^#!.*|#!${ruby}/bin/ruby|' \
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-e 's!${matchExecution}git\>!\1${git}/bin/git!' \
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-e 's!${matchExecution}darcs\>!\1${darcs}/bin/darcs!' \
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-e 's!${matchExecution}diff\>!\1${diffutils}/bin/diff!' \
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-e 's!\<egrep\>!${gnugrep}/bin/egrep!g' \
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-e 's!%w\(darcs init\)!%w(${darcs}/bin/darcs init)!' \
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darcs-to-git
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'';
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installPhase = ''
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install -vD darcs-to-git "$out/bin/darcs-to-git"
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'';
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doCheck = true;
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checkPhase = ''
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orig_dir="$(pwd)"
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darcs_repos="$(pwd)/darcs_test_repos"
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git_repos="$(pwd)/git_test_repos"
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test_home="$(pwd)/test_home"
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mkdir "$darcs_repos" "$git_repos" "$test_home"
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cd "$darcs_repos"
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${darcs}/bin/darcs init
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echo "this is a test file" > new_file1
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${darcs}/bin/darcs add new_file1
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HOME="$test_home" ${darcs}/bin/darcs record -a -m c1 -A none
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echo "testfile1" > new_file1
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echo "testfile2" > new_file2
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${darcs}/bin/darcs add new_file2
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HOME="$test_home" ${darcs}/bin/darcs record -a -m c2 -A none
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${darcs}/bin/darcs mv new_file2 only_one_file
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rm -f new_file1
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HOME="$test_home" ${darcs}/bin/darcs record -a -m c3 -A none
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cd "$git_repos"
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HOME="$test_home" PATH= "$orig_dir/darcs-to-git" "$darcs_repos"
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assertFileContents() {
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echo -n "File $1 contains '$2'..." >&2
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if [ "x$(cat "$1")" = "x$2" ]; then
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echo " passed." >&2
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return 0
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else
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echo " failed: '$(cat "$1")' != '$2'" >&2
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return 1
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fi
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}
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echo "Checking if converted repository matches original repository:" >&2
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assertFileContents only_one_file testfile2
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${git}/bin/git reset --hard HEAD^
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assertFileContents new_file1 testfile1
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assertFileContents new_file2 testfile2
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${git}/bin/git reset --hard HEAD^
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assertFileContents new_file1 "this is a test file"
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echo "All checks passed." >&2
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cd "$orig_dir"
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rm -rf "$darcs_repos" "$git_repos" "$test_home"
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'';
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meta = {
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description = "Converts a Darcs repository into a Git repository";
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homepage = "http://www.sanityinc.com/articles/converting-darcs-repositories-to-git";
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license = stdenv.lib.licenses.mit;
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};
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}
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