mirror of
https://github.com/NixOS/nix.git
synced 2024-11-22 06:42:28 +00:00
071dd2b3a4
It's better to just check whether the input has all the attributes needed to consider itself locked (e.g. whether a Git input has an 'rev' attribute). Also, the 'locked' field was actually incorrect for Git inputs: it would be set to true even for dirty worktrees. As a result, we got away with using fetchTree() internally even though fetchTree() requires a locked input in pure mode. In particular, this allowed '--override-input' to work by accident. The fix is to pass a set of "overrides" to call-flake.nix for all the unlocked inputs (i.e. the top-level flake and any --override-inputs).
299 lines
13 KiB
Bash
299 lines
13 KiB
Bash
source common.sh
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requireGit
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clearStore
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# Intentionally not in a canonical form
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# See https://github.com/NixOS/nix/issues/6195
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repo=$TEST_ROOT/./git
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export _NIX_FORCE_HTTP=1
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rm -rf $repo ${repo}-tmp $TEST_HOME/.cache/nix $TEST_ROOT/worktree $TEST_ROOT/shallow $TEST_ROOT/minimal
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git init $repo
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git -C $repo config user.email "foobar@example.com"
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git -C $repo config user.name "Foobar"
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echo utrecht > $repo/hello
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touch $repo/.gitignore
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git -C $repo add hello .gitignore
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git -C $repo commit -m 'Bla1'
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rev1=$(git -C $repo rev-parse HEAD)
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git -C $repo tag -a tag1 -m tag1
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echo world > $repo/hello
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git -C $repo commit -m 'Bla2' -a
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git -C $repo worktree add $TEST_ROOT/worktree
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echo hello >> $TEST_ROOT/worktree/hello
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rev2=$(git -C $repo rev-parse HEAD)
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git -C $repo tag -a tag2 -m tag2
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# Check whether fetching in read-only mode works.
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nix-instantiate --eval -E "builtins.readFile ((builtins.fetchGit file://$TEST_ROOT/worktree) + \"/hello\") == \"utrecht\\n\""
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# Fetch a worktree.
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unset _NIX_FORCE_HTTP
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path0=$(nix eval --impure --raw --expr "(builtins.fetchGit file://$TEST_ROOT/worktree).outPath")
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path0_=$(nix eval --impure --raw --expr "(builtins.fetchTree { type = \"git\"; url = file://$TEST_ROOT/worktree; }).outPath")
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[[ $path0 = $path0_ ]]
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path0_=$(nix eval --impure --raw --expr "(builtins.fetchTree git+file://$TEST_ROOT/worktree).outPath")
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[[ $path0 = $path0_ ]]
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export _NIX_FORCE_HTTP=1
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[[ $(tail -n 1 $path0/hello) = "hello" ]]
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# Fetch the default branch.
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path=$(nix eval --impure --raw --expr "(builtins.fetchGit file://$repo).outPath")
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[[ $(cat $path/hello) = world ]]
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# Fetch a rev from another branch
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git -C $repo checkout -b devtest
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echo "different file" >> $TEST_ROOT/git/differentbranch
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git -C $repo add differentbranch
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git -C $repo commit -m 'Test2'
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git -C $repo checkout master
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devrev=$(git -C $repo rev-parse devtest)
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nix eval --impure --raw --expr "builtins.fetchGit { url = file://$repo; rev = \"$devrev\"; }"
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[[ $(nix eval --raw --expr "builtins.readFile (builtins.fetchGit { url = file://$repo; rev = \"$devrev\"; allRefs = true; } + \"/differentbranch\")") = 'different file' ]]
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# In pure eval mode, fetchGit without a revision should fail.
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[[ $(nix eval --impure --raw --expr "builtins.readFile (fetchGit file://$repo + \"/hello\")") = world ]]
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(! nix eval --raw --expr "builtins.readFile (fetchGit file://$repo + \"/hello\")")
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# Fetch using an explicit revision hash.
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path2=$(nix eval --raw --expr "(builtins.fetchGit { url = file://$repo; rev = \"$rev2\"; }).outPath")
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[[ $path = $path2 ]]
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# In pure eval mode, fetchGit with a revision should succeed.
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[[ $(nix eval --raw --expr "builtins.readFile (fetchGit { url = file://$repo; rev = \"$rev2\"; } + \"/hello\")") = world ]]
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# But without a hash, it fails
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expectStderr 1 nix eval --expr 'builtins.fetchGit "file:///foo"' | grepQuiet "'fetchGit' will not fetch unlocked input"
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# Fetch again. This should be cached.
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mv $repo ${repo}-tmp
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path2=$(nix eval --impure --raw --expr "(builtins.fetchGit file://$repo).outPath")
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[[ $path = $path2 ]]
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[[ $(nix eval --impure --expr "(builtins.fetchGit file://$repo).revCount") = 2 ]]
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[[ $(nix eval --impure --raw --expr "(builtins.fetchGit file://$repo).rev") = $rev2 ]]
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[[ $(nix eval --impure --raw --expr "(builtins.fetchGit file://$repo).shortRev") = ${rev2:0:7} ]]
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# Fetching with a explicit hash should succeed.
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path2=$(nix eval --refresh --raw --expr "(builtins.fetchGit { url = file://$repo; rev = \"$rev2\"; }).outPath")
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[[ $path = $path2 ]]
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path2=$(nix eval --refresh --raw --expr "(builtins.fetchGit { url = file://$repo; rev = \"$rev1\"; }).outPath")
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[[ $(cat $path2/hello) = utrecht ]]
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mv ${repo}-tmp $repo
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# Using a clean working tree should produce the same result.
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path2=$(nix eval --impure --raw --expr "(builtins.fetchGit $repo).outPath")
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[[ $path = $path2 ]]
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# Using an unclean tree should yield the tracked but uncommitted changes.
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mkdir $repo/dir1 $repo/dir2
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echo foo > $repo/dir1/foo
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echo bar > $repo/bar
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echo bar > $repo/dir2/bar
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git -C $repo add dir1/foo
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git -C $repo rm hello
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unset _NIX_FORCE_HTTP
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path2=$(nix eval --impure --raw --expr "(builtins.fetchGit $repo).outPath")
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[ ! -e $path2/hello ]
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[ ! -e $path2/bar ]
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[ ! -e $path2/dir2/bar ]
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[ ! -e $path2/.git ]
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[[ $(cat $path2/dir1/foo) = foo ]]
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[[ $(nix eval --impure --raw --expr "(builtins.fetchGit $repo).rev") = 0000000000000000000000000000000000000000 ]]
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[[ $(nix eval --impure --raw --expr "(builtins.fetchGit $repo).dirtyRev") = "${rev2}-dirty" ]]
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[[ $(nix eval --impure --raw --expr "(builtins.fetchGit $repo).dirtyShortRev") = "${rev2:0:7}-dirty" ]]
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# ... unless we're using an explicit ref or rev.
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path3=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = $repo; ref = \"master\"; }).outPath")
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[[ $path = $path3 ]]
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path3=$(nix eval --raw --expr "(builtins.fetchGit { url = $repo; rev = \"$rev2\"; }).outPath")
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[[ $path = $path3 ]]
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# Committing should not affect the store path.
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git -C $repo commit -m 'Bla3' -a
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path4=$(nix eval --impure --refresh --raw --expr "(builtins.fetchGit file://$repo).outPath")
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[[ $path2 = $path4 ]]
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[[ $(nix eval --impure --expr "builtins.hasAttr \"rev\" (builtins.fetchGit $repo)") == "true" ]]
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[[ $(nix eval --impure --expr "builtins.hasAttr \"dirtyRev\" (builtins.fetchGit $repo)") == "false" ]]
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[[ $(nix eval --impure --expr "builtins.hasAttr \"dirtyShortRev\" (builtins.fetchGit $repo)") == "false" ]]
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status=0
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nix eval --impure --raw --expr "(builtins.fetchGit { url = $repo; rev = \"$rev2\"; narHash = \"sha256-B5yIPHhEm0eysJKEsO7nqxprh9vcblFxpJG11gXJus1=\"; }).outPath" || status=$?
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[[ "$status" = "102" ]]
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path5=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = $repo; rev = \"$rev2\"; narHash = \"sha256-Hr8g6AqANb3xqX28eu1XnjK/3ab8Gv6TJSnkb1LezG9=\"; }).outPath")
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[[ $path = $path5 ]]
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# tarball-ttl should be ignored if we specify a rev
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echo delft > $repo/hello
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git -C $repo add hello
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git -C $repo commit -m 'Bla4'
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rev3=$(git -C $repo rev-parse HEAD)
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nix eval --tarball-ttl 3600 --expr "builtins.fetchGit { url = $repo; rev = \"$rev3\"; }" >/dev/null
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# Update 'path' to reflect latest master
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path=$(nix eval --impure --raw --expr "(builtins.fetchGit file://$repo).outPath")
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# Check behavior when non-master branch is used
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git -C $repo checkout $rev2 -b dev
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echo dev > $repo/hello
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# File URI uses dirty tree unless specified otherwise
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path2=$(nix eval --impure --raw --expr "(builtins.fetchGit file://$repo).outPath")
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[ $(cat $path2/hello) = dev ]
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# Using local path with branch other than 'master' should work when clean or dirty
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path3=$(nix eval --impure --raw --expr "(builtins.fetchGit $repo).outPath")
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# (check dirty-tree handling was used)
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[[ $(nix eval --impure --raw --expr "(builtins.fetchGit $repo).rev") = 0000000000000000000000000000000000000000 ]]
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[[ $(nix eval --impure --raw --expr "(builtins.fetchGit $repo).shortRev") = 0000000 ]]
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# Making a dirty tree clean again and fetching it should
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# record correct revision information. See: #4140
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echo world > $repo/hello
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[[ $(nix eval --impure --raw --expr "(builtins.fetchGit $repo).rev") = $rev2 ]]
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# Committing shouldn't change store path, or switch to using 'master'
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echo dev > $repo/hello
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git -C $repo commit -m 'Bla5' -a
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path4=$(nix eval --impure --raw --expr "(builtins.fetchGit $repo).outPath")
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[[ $(cat $path4/hello) = dev ]]
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[[ $path3 = $path4 ]]
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# Using remote path with branch other than 'master' should fetch the HEAD revision.
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# (--tarball-ttl 0 to prevent using the cached repo above)
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export _NIX_FORCE_HTTP=1
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path4=$(nix eval --tarball-ttl 0 --impure --raw --expr "(builtins.fetchGit $repo).outPath")
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[[ $(cat $path4/hello) = dev ]]
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[[ $path3 = $path4 ]]
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unset _NIX_FORCE_HTTP
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# Confirm same as 'dev' branch
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path5=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = $repo; ref = \"dev\"; }).outPath")
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[[ $path3 = $path5 ]]
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# Nuke the cache
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rm -rf $TEST_HOME/.cache/nix
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# Try again. This should work.
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path5=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = $repo; ref = \"dev\"; }).outPath")
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[[ $path3 = $path5 ]]
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# Fetching from a repo with only a specific revision and no branches should
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# not fall back to copying files and record correct revision information. See: #5302
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mkdir $TEST_ROOT/minimal
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git -C $TEST_ROOT/minimal init
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git -C $TEST_ROOT/minimal fetch $repo $rev2
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git -C $TEST_ROOT/minimal checkout $rev2
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[[ $(nix eval --impure --raw --expr "(builtins.fetchGit { url = $TEST_ROOT/minimal; }).rev") = $rev2 ]]
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# Fetching a shallow repo shouldn't work by default, because we can't
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# return a revCount.
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git clone --depth 1 file://$repo $TEST_ROOT/shallow
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(! nix eval --impure --raw --expr "(builtins.fetchGit { url = $TEST_ROOT/shallow; ref = \"dev\"; }).outPath")
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# But you can request a shallow clone, which won't return a revCount.
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path6=$(nix eval --impure --raw --expr "(builtins.fetchTree { type = \"git\"; url = \"file://$TEST_ROOT/shallow\"; ref = \"dev\"; shallow = true; }).outPath")
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[[ $path3 = $path6 ]]
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[[ $(nix eval --impure --expr "(builtins.fetchTree { type = \"git\"; url = \"file://$TEST_ROOT/shallow\"; ref = \"dev\"; shallow = true; }).revCount or 123") == 123 ]]
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expectStderr 1 nix eval --expr 'builtins.fetchTree { type = "git"; url = "file:///foo"; }' | grepQuiet "'fetchTree' will not fetch unlocked input"
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# Explicit ref = "HEAD" should work, and produce the same outPath as without ref
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path7=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; ref = \"HEAD\"; }).outPath")
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path8=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; }).outPath")
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[[ $path7 = $path8 ]]
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# ref = "HEAD" should fetch the HEAD revision
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rev4=$(git -C $repo rev-parse HEAD)
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rev4_nix=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; ref = \"HEAD\"; }).rev")
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[[ $rev4 = $rev4_nix ]]
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# The name argument should be handled
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path9=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; ref = \"HEAD\"; name = \"foo\"; }).outPath")
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[[ $path9 =~ -foo$ ]]
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# Specifying a ref without a rev shouldn't pick a cached rev for a different ref
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export _NIX_FORCE_HTTP=1
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rev_tag1_nix=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; ref = \"refs/tags/tag1\"; }).rev")
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rev_tag1=$(git -C $repo rev-parse refs/tags/tag1)
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[[ $rev_tag1_nix = $rev_tag1 ]]
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rev_tag2_nix=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = \"file://$repo\"; ref = \"refs/tags/tag2\"; }).rev")
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rev_tag2=$(git -C $repo rev-parse refs/tags/tag2)
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[[ $rev_tag2_nix = $rev_tag2 ]]
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unset _NIX_FORCE_HTTP
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# Ensure .gitattributes is respected
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touch $repo/not-exported-file
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touch $repo/exported-wonky
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echo "/not-exported-file export-ignore" >> $repo/.gitattributes
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echo "/exported-wonky export-ignore=wonk" >> $repo/.gitattributes
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git -C $repo add not-exported-file exported-wonky .gitattributes
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git -C $repo commit -m 'Bla6'
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rev5=$(git -C $repo rev-parse HEAD)
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path12=$(nix eval --impure --raw --expr "(builtins.fetchGit { url = file://$repo; rev = \"$rev5\"; }).outPath")
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[[ ! -e $path12/not-exported-file ]]
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[[ -e $path12/exported-wonky ]]
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# should fail if there is no repo
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rm -rf $repo/.git
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(! nix eval --impure --raw --expr "(builtins.fetchGit \"file://$repo\").outPath")
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# should succeed for a repo without commits
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git init $repo
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git -C $repo add hello # need to add at least one file to cause the root of the repo to be visible
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path10=$(nix eval --impure --raw --expr "(builtins.fetchGit \"file://$repo\").outPath")
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# should succeed for a path with a space
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# regression test for #7707
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repo="$TEST_ROOT/a b"
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git init "$repo"
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git -C "$repo" config user.email "foobar@example.com"
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git -C "$repo" config user.name "Foobar"
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echo utrecht > "$repo/hello"
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touch "$repo/.gitignore"
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git -C "$repo" add hello .gitignore
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git -C "$repo" commit -m 'Bla1'
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cd "$repo"
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path11=$(nix eval --impure --raw --expr "(builtins.fetchGit ./.).outPath")
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# Test a workdir with no commits.
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empty="$TEST_ROOT/empty"
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git init "$empty"
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emptyAttrs='{ lastModified = 0; lastModifiedDate = "19700101000000"; narHash = "sha256-pQpattmS9VmO3ZIQUFn66az8GSmB4IvYhTTCFn6SUmo="; rev = "0000000000000000000000000000000000000000"; revCount = 0; shortRev = "0000000"; submodules = false; }'
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[[ $(nix eval --impure --expr "builtins.removeAttrs (builtins.fetchGit $empty) [\"outPath\"]") = $emptyAttrs ]]
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echo foo > "$empty/x"
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[[ $(nix eval --impure --expr "builtins.removeAttrs (builtins.fetchGit $empty) [\"outPath\"]") = $emptyAttrs ]]
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git -C "$empty" add x
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[[ $(nix eval --impure --expr "builtins.removeAttrs (builtins.fetchGit $empty) [\"outPath\"]") = '{ lastModified = 0; lastModifiedDate = "19700101000000"; narHash = "sha256-wzlAGjxKxpaWdqVhlq55q5Gxo4Bf860+kLeEa/v02As="; rev = "0000000000000000000000000000000000000000"; revCount = 0; shortRev = "0000000"; submodules = false; }' ]]
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# Test a repo with an empty commit.
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git -C "$empty" rm -f x
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git -C "$empty" config user.email "foobar@example.com"
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git -C "$empty" config user.name "Foobar"
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git -C "$empty" commit --allow-empty --allow-empty-message --message ""
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nix eval --impure --expr "let attrs = builtins.fetchGit $empty; in assert attrs.lastModified != 0; assert attrs.rev != \"0000000000000000000000000000000000000000\"; assert attrs.revCount == 1; true"
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