source common.sh [[ $(type -p hg) ]] || skipTest "Mercurial not installed" clearStore # Intentionally not in a canonical form # See https://github.com/NixOS/nix/issues/6195 repo=$TEST_ROOT/./hg rm -rf $repo ${repo}-tmp $TEST_HOME/.cache/nix hg init $repo echo '[ui]' >> $repo/.hg/hgrc echo 'username = Foobar ' >> $repo/.hg/hgrc # Set ui.tweakdefaults to ensure HGPLAIN is being set. echo 'tweakdefaults = True' >> $repo/.hg/hgrc echo utrecht > $repo/hello touch $repo/.hgignore hg add --cwd $repo hello .hgignore hg commit --cwd $repo -m 'Bla1' rev1=$(hg log --cwd $repo -r tip --template '{node}') echo world > $repo/hello hg commit --cwd $repo -m 'Bla2' rev2=$(hg log --cwd $repo -r tip --template '{node}') # Fetch an unclean branch. echo unclean > $repo/hello path=$(nix eval --impure --raw --expr "(builtins.fetchMercurial \"file://$repo\").outPath") [[ $(cat $path/hello) = unclean ]] hg revert --cwd $repo --all # Fetch the default branch. path=$(nix eval --impure --raw --expr "(builtins.fetchMercurial \"file://$repo\").outPath") [[ $(cat $path/hello) = world ]] # In pure eval mode, fetchGit without a revision should fail. [[ $(nix eval --impure --raw --expr "(builtins.readFile (fetchMercurial \"file://$repo\" + \"/hello\"))") = world ]] (! nix eval --raw --expr "builtins.readFile (fetchMercurial \"file://$repo\" + \"/hello\")") # Fetch using an explicit revision hash. path2=$(nix eval --impure --raw --expr "(builtins.fetchMercurial { url = \"file://$repo\"; rev = \"$rev2\"; }).outPath") [[ $path = $path2 ]] # In pure eval mode, fetchGit with a revision should succeed. [[ $(nix eval --raw --expr "builtins.readFile (fetchMercurial { url = \"file://$repo\"; rev = \"$rev2\"; } + \"/hello\")") = world ]] # Fetch again. This should be cached. mv $repo ${repo}-tmp path2=$(nix eval --impure --raw --expr "(builtins.fetchMercurial \"file://$repo\").outPath") [[ $path = $path2 ]] [[ $(nix eval --impure --raw --expr "(builtins.fetchMercurial \"file://$repo\").branch") = default ]] [[ $(nix eval --impure --expr "(builtins.fetchMercurial \"file://$repo\").revCount") = 1 ]] [[ $(nix eval --impure --raw --expr "(builtins.fetchMercurial \"file://$repo\").rev") = $rev2 ]] # But with TTL 0, it should fail. (! nix eval --impure --refresh --expr "builtins.fetchMercurial \"file://$repo\"") # Fetching with a explicit hash should succeed. path2=$(nix eval --refresh --raw --expr "(builtins.fetchMercurial { url = \"file://$repo\"; rev = \"$rev2\"; }).outPath") [[ $path = $path2 ]] path2=$(nix eval --refresh --raw --expr "(builtins.fetchMercurial { url = \"file://$repo\"; rev = \"$rev1\"; }).outPath") [[ $(cat $path2/hello) = utrecht ]] mv ${repo}-tmp $repo # Using a clean working tree should produce the same result. path2=$(nix eval --impure --raw --expr "(builtins.fetchMercurial \"$repo\").outPath") [[ $path = $path2 ]] # Using an unclean tree should yield the tracked but uncommitted changes. mkdir $repo/dir1 $repo/dir2 echo foo > $repo/dir1/foo echo bar > $repo/bar echo bar > $repo/dir2/bar hg add --cwd $repo dir1/foo hg rm --cwd $repo hello path2=$(nix eval --impure --raw --expr "(builtins.fetchMercurial \"$repo\").outPath") [ ! -e $path2/hello ] [ ! -e $path2/bar ] [ ! -e $path2/dir2/bar ] [ ! -e $path2/.hg ] [[ $(cat $path2/dir1/foo) = foo ]] [[ $(nix eval --impure --raw --expr "(builtins.fetchMercurial \"$repo\").rev") = 0000000000000000000000000000000000000000 ]] # ... unless we're using an explicit ref. path3=$(nix eval --impure --raw --expr "(builtins.fetchMercurial { url = \"$repo\"; rev = \"default\"; }).outPath") [[ $path = $path3 ]] # Committing should not affect the store path. hg commit --cwd $repo -m 'Bla3' path4=$(nix eval --impure --refresh --raw --expr "(builtins.fetchMercurial \"file://$repo\").outPath") [[ $path2 = $path4 ]] echo paris > $repo/hello # Passing a `name` argument should be reflected in the output path path5=$(nix eval -vvvvv --impure --refresh --raw --expr "(builtins.fetchMercurial { url = \"file://$repo\"; name = \"foo\"; } ).outPath") [[ $path5 =~ -foo$ ]]