source common.sh requireGit clearStore # Intentionally not in a canonical form # See https://github.com/NixOS/nix/issues/6195 repo=$TEST_ROOT/./git export _NIX_FORCE_HTTP=1 rm -rf $repo ${repo}-tmp $TEST_HOME/.cache/nix $TEST_ROOT/worktree $TEST_ROOT/shallow $TEST_ROOT/minimal 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) git -C $repo tag -a tag1 -m tag1 echo world > $repo/hello git -C $repo commit -m 'Bla2' -a git -C $repo worktree add $TEST_ROOT/worktree echo hello >> $TEST_ROOT/worktree/hello rev2=$(git -C $repo rev-parse HEAD) git -C $repo tag -a tag2 -m tag2 # Fetch a worktree unset _NIX_FORCE_HTTP path0=$(nix eval --impure --raw --expr "(builtins.fetchGit \"file://$TEST_ROOT/worktree\").outPath") path0_=$(nix eval --impure --raw --expr "(builtins.fetchTree { type = \"git\"; url = \"file://$TEST_ROOT/worktree\"; }).outPath") [[ $path0 = $path0_ ]] export _NIX_FORCE_HTTP=1 [[ $(tail -n 1 $path0/hello) = "hello" ]] # Fetch the default branch. path=$(nix eval --impure --raw --expr "(builtins.fetchGit \"file://$repo\").outPath") [[ $(cat $path/hello) = world ]] # Fetch a rev from another branch git -C $repo checkout -b devtest echo "different file" >> $TEST_ROOT/git/differentbranch git -C $repo add differentbranch git -C $repo commit -m 'Test2' git -C $repo checkout master devrev=$(git -C $repo rev-parse devtest) out=$(nix eval --impure --raw --expr "builtins.fetchGit { url = \"file://$repo\"; rev = \"$devrev\"; }" 2>&1) || status=$? [[ $status == 1 ]] [[ $out =~ 'Cannot find Git revision' ]] # allow revs as refs (for 2.3 compat) [[ $(nix eval --raw --expr "builtins.readFile (builtins.fetchGit { url = \"file://$repo\"; rev = \"$devrev\"; allRefs = true; } + \"/differentbranch\")") = 'different file' ]] rm -rf "$TEST_ROOT/test-home" [[ $(nix eval --raw --expr "builtins.readFile (builtins.fetchGit { url = \"file://$repo\"; rev = \"$devrev\"; allRefs = true; } + \"/differentbranch\")") = 'different file' ]] rm -rf "$TEST_ROOT/test-home" out=$(nix eval --raw --expr "builtins.readFile (builtins.fetchGit { url = \"file://$repo\"; rev = \"$devrev\"; ref = \"lolkek\"; } + \"/differentbranch\")" 2>&1) || status=$? [[ $status == 1 ]] [[ $out =~ 'Cannot find Git revision' ]] # In pure eval mode, fetchGit without a revision should fail. [[ $(nix eval --impure --raw --expr "builtins.readFile (fetchGit \"file://$repo\" + \"/hello\")") = world ]] (! nix eval --raw --expr "builtins.readFile (fetchGit \"file://$repo\" + \"/hello\")") # Fetch using an explicit revision hash. path2=$(nix eval --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; rev = \"$rev2\"; }).outPath") [[ $path = $path2 ]] # In pure eval mode, fetchGit with a revision should succeed. [[ $(nix eval --raw --expr "builtins.readFile (fetchGit { url = \"file://$repo\"; rev = \"$rev2\"; } + \"/hello\")") = world ]] # Fetch again. This should be cached. mv $repo ${repo}-tmp path2=$(nix eval --impure --raw --expr "(builtins.fetchGit \"file://$repo\").outPath") [[ $path = $path2 ]] [[ $(nix eval --impure --expr "(builtins.fetchGit \"file://$repo\").revCount") = 2 ]] [[ $(nix eval --impure --raw --expr "(builtins.fetchGit \"file://$repo\").rev") = $rev2 ]] [[ $(nix eval --impure --raw --expr "(builtins.fetchGit \"file://$repo\").shortRev") = ${rev2:0:7} ]] # Fetching with a explicit hash should succeed. path2=$(nix eval --refresh --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; rev = \"$rev2\"; }).outPath") [[ $path = $path2 ]] path2=$(nix eval --refresh --raw --expr "(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 --impure --raw --expr "(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 $repo rm hello unset _NIX_FORCE_HTTP path2=$(nix eval --impure --raw --expr "(builtins.fetchGit $repo).outPath") [ ! -e $path2/hello ] [ ! -e $path2/bar ] [ ! -e $path2/dir2/bar ] [ ! -e $path2/.git ] [[ $(cat $path2/dir1/foo) = foo ]] [[ $(nix eval --impure --raw --expr "(builtins.fetchGit $repo).rev") = 0000000000000000000000000000000000000000 ]] [[ $(nix eval --impure --raw --expr "(builtins.fetchGit $repo).dirtyRev") = "${rev2}-dirty" ]] [[ $(nix eval --impure --raw --expr "(builtins.fetchGit $repo).dirtyShortRev") = "${rev2:0:7}-dirty" ]] # ... unless we're using an explicit ref or rev. path3=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = $repo; ref = \"master\"; }).outPath") [[ $path = $path3 ]] path3=$(nix eval --raw --expr "(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 --impure --refresh --raw --expr "(builtins.fetchGit \"file://$repo\").outPath") [[ $path2 = $path4 ]] [[ $(nix eval --impure --expr "builtins.hasAttr \"rev\" (builtins.fetchGit $repo)") == "true" ]] [[ $(nix eval --impure --expr "builtins.hasAttr \"dirtyRev\" (builtins.fetchGit $repo)") == "false" ]] [[ $(nix eval --impure --expr "builtins.hasAttr \"dirtyShortRev\" (builtins.fetchGit $repo)") == "false" ]] status=0 nix eval --impure --raw --expr "(builtins.fetchGit { url = $repo; rev = \"$rev2\"; narHash = \"sha256-B5yIPHhEm0eysJKEsO7nqxprh9vcblFxpJG11gXJus1=\"; }).outPath" || status=$? [[ "$status" = "102" ]] path5=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = $repo; rev = \"$rev2\"; narHash = \"sha256-Hr8g6AqANb3xqX28eu1XnjK/3ab8Gv6TJSnkb1LezG9=\"; }).outPath") [[ $path = $path5 ]] # 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 --expr "builtins.fetchGit { url = $repo; rev = \"$rev3\"; }" >/dev/null # Update 'path' to reflect latest master path=$(nix eval --impure --raw --expr "(builtins.fetchGit \"file://$repo\").outPath") # Check behavior when non-master branch is used git -C $repo checkout $rev2 -b dev echo dev > $repo/hello # File URI uses dirty tree unless specified otherwise path2=$(nix eval --impure --raw --expr "(builtins.fetchGit \"file://$repo\").outPath") [ $(cat $path2/hello) = dev ] # Using local path with branch other than 'master' should work when clean or dirty path3=$(nix eval --impure --raw --expr "(builtins.fetchGit $repo).outPath") # (check dirty-tree handling was used) [[ $(nix eval --impure --raw --expr "(builtins.fetchGit $repo).rev") = 0000000000000000000000000000000000000000 ]] [[ $(nix eval --impure --raw --expr "(builtins.fetchGit $repo).shortRev") = 0000000 ]] # Making a dirty tree clean again and fetching it should # record correct revision information. See: #4140 echo world > $repo/hello [[ $(nix eval --impure --raw --expr "(builtins.fetchGit $repo).rev") = $rev2 ]] # Committing shouldn't change store path, or switch to using 'master' echo dev > $repo/hello git -C $repo commit -m 'Bla5' -a path4=$(nix eval --impure --raw --expr "(builtins.fetchGit $repo).outPath") [[ $(cat $path4/hello) = dev ]] [[ $path3 = $path4 ]] # Using remote path with branch other than 'master' should fetch the HEAD revision. # (--tarball-ttl 0 to prevent using the cached repo above) export _NIX_FORCE_HTTP=1 path4=$(nix eval --tarball-ttl 0 --impure --raw --expr "(builtins.fetchGit $repo).outPath") [[ $(cat $path4/hello) = dev ]] [[ $path3 = $path4 ]] unset _NIX_FORCE_HTTP # Confirm same as 'dev' branch path5=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = $repo; ref = \"dev\"; }).outPath") [[ $path3 = $path5 ]] # Nuke the cache rm -rf $TEST_HOME/.cache/nix # Try again, but without 'git' on PATH. This should fail. NIX=$(command -v nix) (! PATH= $NIX eval --impure --raw --expr "(builtins.fetchGit { url = $repo; ref = \"dev\"; }).outPath" ) # Try again, with 'git' available. This should work. path5=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = $repo; ref = \"dev\"; }).outPath") [[ $path3 = $path5 ]] # Fetching from a repo with only a specific revision and no branches should # not fall back to copying files and record correct revision information. See: #5302 mkdir $TEST_ROOT/minimal git -C $TEST_ROOT/minimal init git -C $TEST_ROOT/minimal fetch $repo $rev2 git -C $TEST_ROOT/minimal checkout $rev2 [[ $(nix eval --impure --raw --expr "(builtins.fetchGit { url = $TEST_ROOT/minimal; }).rev") = $rev2 ]] # Fetching a shallow repo shouldn't work by default, because we can't # return a revCount. git clone --depth 1 file://$repo $TEST_ROOT/shallow (! nix eval --impure --raw --expr "(builtins.fetchGit { url = $TEST_ROOT/shallow; ref = \"dev\"; }).outPath") # But you can request a shallow clone, which won't return a revCount. path6=$(nix eval --impure --raw --expr "(builtins.fetchTree { type = \"git\"; url = \"file://$TEST_ROOT/shallow\"; ref = \"dev\"; shallow = true; }).outPath") [[ $path3 = $path6 ]] [[ $(nix eval --impure --expr "(builtins.fetchTree { type = \"git\"; url = \"file://$TEST_ROOT/shallow\"; ref = \"dev\"; shallow = true; }).revCount or 123") == 123 ]] # Explicit ref = "HEAD" should work, and produce the same outPath as without ref path7=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; ref = \"HEAD\"; }).outPath") path8=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; }).outPath") [[ $path7 = $path8 ]] # ref = "HEAD" should fetch the HEAD revision rev4=$(git -C $repo rev-parse HEAD) rev4_nix=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; ref = \"HEAD\"; }).rev") [[ $rev4 = $rev4_nix ]] # The name argument should be handled path9=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; ref = \"HEAD\"; name = \"foo\"; }).outPath") [[ $path9 =~ -foo$ ]] # Specifying a ref without a rev shouldn't pick a cached rev for a different ref export _NIX_FORCE_HTTP=1 rev_tag1_nix=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; ref = \"refs/tags/tag1\"; }).rev") rev_tag1=$(git -C $repo rev-parse refs/tags/tag1) [[ $rev_tag1_nix = $rev_tag1 ]] # Allow fetching tags w/o specifying refs/tags rm -rf "$TEST_ROOT/test-home" rev_tag1_nix_alt=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; ref = \"tag1\"; }).rev") [[ $rev_tag1_nix_alt = $rev_tag1 ]] rev_tag2_nix=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; ref = \"refs/tags/tag2\"; }).rev") rev_tag2=$(git -C $repo rev-parse refs/tags/tag2) [[ $rev_tag2_nix = $rev_tag2 ]] unset _NIX_FORCE_HTTP # should fail if there is no repo rm -rf $repo/.git (! nix eval --impure --raw --expr "(builtins.fetchGit \"file://$repo\").outPath") # should succeed for a repo without commits git init $repo path10=$(nix eval --impure --raw --expr "(builtins.fetchGit \"file://$repo\").outPath") # should succeed for a path with a space # regression test for #7707 repo="$TEST_ROOT/a b" 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 "$repo" commit -m 'Bla1' cd "$repo" path11=$(nix eval --impure --raw --expr "(builtins.fetchGit ./.).outPath") # test behavior if both branch and tag with same name exist repo="$TEST_ROOT/git" rm -rf "$repo"/.git git init "$repo" git -C "$repo" config user.email "foobar@example.com" git -C "$repo" config user.name "Foobar" touch "$repo"/test echo "hello world" > "$repo"/test git -C "$repo" checkout -b branch git -C "$repo" add test git -C "$repo" commit -m "Init" git -C "$repo" tag branch echo "goodbye world" > "$repo"/test git -C "$repo" add test git -C "$repo" commit -m "Update test" path12=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; ref = \"branch\"; }).outPath") [[ "$(cat "$path12"/test)" =~ 'hello world' ]] [[ "$(cat "$repo"/test)" =~ 'goodbye world' ]] path13=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; ref = \"refs/heads/branch\"; }).outPath") [[ "$(cat "$path13"/test)" =~ 'goodbye world' ]] path14=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; ref = \"refs/tags/branch\"; }).outPath") [[ "$path14" = "$path12" ]]