source common.sh if [[ -z $(type -p git) ]]; then echo "Git not installed; skipping Git tests" exit 99 fi clearStore repo=$TEST_ROOT/git rm -rf $repo ${repo}-tmp $TEST_HOME/.cache/nix/git git init $repo git -C $repo config user.email "foobar@example.com" git -C $repo config user.name "Foobar" echo utrecht > $repo/hello touch $repo/.gitignore git -C $repo add hello .gitignore git -C $repo commit -m 'Bla1' rev1=$(git -C $repo rev-parse HEAD) echo world > $repo/hello git -C $repo commit -m 'Bla2' -a rev2=$(git -C $repo rev-parse HEAD) # Fetch the default branch. path=$(nix eval --raw "(builtins.fetchGit file://$repo).outPath") [[ $(cat $path/hello) = world ]] # In pure eval mode, fetchGit without a revision should fail. [[ $(nix eval --raw "(builtins.readFile (fetchGit file://$repo + \"/hello\"))") = world ]] (! nix eval --pure-eval --raw "(builtins.readFile (fetchGit file://$repo + \"/hello\"))") # Fetch using an explicit revision hash. path2=$(nix eval --raw "(builtins.fetchGit { url = file://$repo; rev = \"$rev2\"; }).outPath") [[ $path = $path2 ]] # In pure eval mode, fetchGit with a revision should succeed. [[ $(nix eval --pure-eval --raw "(builtins.readFile (fetchGit { url = file://$repo; rev = \"$rev2\"; } + \"/hello\"))") = world ]] # Fetch again. This should be cached. mv $repo ${repo}-tmp path2=$(nix eval --raw "(builtins.fetchGit file://$repo).outPath") [[ $path = $path2 ]] [[ $(nix eval "(builtins.fetchGit file://$repo).revCount") = 2 ]] [[ $(nix eval --raw "(builtins.fetchGit file://$repo).rev") = $rev2 ]] # But with TTL 0, it should fail. (! nix eval --tarball-ttl 0 "(builtins.fetchGit file://$repo)" -vvvvv) # Fetching with a explicit hash should succeed. path2=$(nix eval --tarball-ttl 0 --raw "(builtins.fetchGit { url = file://$repo; rev = \"$rev2\"; }).outPath") [[ $path = $path2 ]] path2=$(nix eval --tarball-ttl 0 --raw "(builtins.fetchGit { 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 --raw "(builtins.fetchGit $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 git -C $repo add dir1/foo git -C $repo rm hello path2=$(nix eval --raw "(builtins.fetchGit $repo).outPath") [ ! -e $path2/hello ] [ ! -e $path2/bar ] [ ! -e $path2/dir2/bar ] [ ! -e $path2/.git ] [[ $(cat $path2/dir1/foo) = foo ]] [[ $(nix eval --raw "(builtins.fetchGit $repo).rev") = 0000000000000000000000000000000000000000 ]] # ... unless we're using an explicit ref or rev. path3=$(nix eval --raw "(builtins.fetchGit { url = $repo; ref = \"master\"; }).outPath") [[ $path = $path3 ]] path3=$(nix eval --raw "(builtins.fetchGit { url = $repo; rev = \"$rev2\"; }).outPath") [[ $path = $path3 ]] # Committing should not affect the store path. git -C $repo commit -m 'Bla3' -a path4=$(nix eval --tarball-ttl 0 --raw "(builtins.fetchGit file://$repo).outPath") [[ $path2 = $path4 ]] # tarball-ttl should be ignored if we specify a rev echo delft > $repo/hello git -C $repo add hello git -C $repo commit -m 'Bla4' rev3=$(git -C $repo rev-parse HEAD) nix eval --tarball-ttl 3600 "(builtins.fetchGit { url = $repo; rev = \"$rev3\"; })" >/dev/null # Update 'path' to reflect latest master path=$(nix eval --raw "(builtins.fetchGit file://$repo).outPath") # Check behavior when non-master branch is used git -C $repo checkout $rev2 -b dev echo dev > $repo/hello # File URI uses 'master' unless specified otherwise path2=$(nix eval --raw "(builtins.fetchGit file://$repo).outPath") [[ $path = $path2 ]] # Using local path with branch other than 'master' should work when clean or dirty path3=$(nix eval --raw "(builtins.fetchGit $repo).outPath") # (check dirty-tree handling was used) [[ $(nix eval --raw "(builtins.fetchGit $repo).rev") = 0000000000000000000000000000000000000000 ]] # Committing shouldn't change store path, or switch to using 'master' git -C $repo commit -m 'Bla5' -a path4=$(nix eval --raw "(builtins.fetchGit $repo).outPath") [[ $(cat $path4/hello) = dev ]] [[ $path3 = $path4 ]] # Confirm same as 'dev' branch path5=$(nix eval --raw "(builtins.fetchGit { url = $repo; ref = \"dev\"; }).outPath") [[ $path3 = $path5 ]] # Nuke the cache rm -rf $TEST_HOME/.cache/nix/git # Try again, but without 'git' on PATH NIX=$(command -v nix) # This should fail (! PATH= $NIX eval --raw "(builtins.fetchGit { url = $repo; ref = \"dev\"; }).outPath" ) # Try again, with 'git' available. This should work. path5=$(nix eval --raw "(builtins.fetchGit { url = $repo; ref = \"dev\"; }).outPath") [[ $path3 = $path5 ]]