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Diffstat (limited to 'third_party/nix/tests/fetchGit.sh')
-rw-r--r-- | third_party/nix/tests/fetchGit.sh | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/third_party/nix/tests/fetchGit.sh b/third_party/nix/tests/fetchGit.sh new file mode 100644 index 000000000000..4c46bdf0465b --- /dev/null +++ b/third_party/nix/tests/fetchGit.sh @@ -0,0 +1,141 @@ +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/gitv2 + +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 $TEST_HOME/.cache/nix/gitv2 + +# Try again, but without 'git' on PATH +NIX=$(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 ]] |