mirror of
https://github.com/NixOS/nix.git
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312 lines
14 KiB
Bash
Executable file
312 lines
14 KiB
Bash
Executable file
#!/usr/bin/env bash
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source common.sh
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requireGit
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clearStoreIfPossible
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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"/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://$TEST_ROOT/worktree) + \"/hello\") == \"utrecht\\n\""
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# Fetch a worktree.
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unset _NIX_FORCE_HTTP
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expectStderr 0 nix eval -vvvv --impure --raw --expr "(builtins.fetchGit file://$TEST_ROOT/worktree).outPath" | grepQuiet "copying '$TEST_ROOT/worktree/' to the store"
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path0=$(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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# Nuke the cache
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rm -rf "$TEST_HOME"/.cache/nix
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# Fetch the default branch.
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path=$(nix eval --impure --raw --expr "(builtins.fetchGit file://$repo).outPath")
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[[ $(cat "$path"/hello) = world ]]
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# Fetch again. This should be cached.
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# NOTE: This has to be done before the test case below which tries to pack-refs
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# the reason being that the lookup on the cache uses the ref-file `/refs/heads/master`
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# which does not exist after packing.
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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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# Fetch when the cache has packed-refs
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# Regression test of #8822
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git -C "$TEST_HOME"/.cache/nix/gitv3/*/ pack-refs --all
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path=$(nix eval --impure --raw --expr "(builtins.fetchGit file://$repo).outPath")
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# Fetch a rev from another branch
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git -C "$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 --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 = \"$rev2\"; } + \"/hello\")") = world ]]
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# But without a hash, it fails.
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expectStderr 1 nix eval --expr 'builtins.fetchGit "file:///foo"' | grepQuiet "'fetchGit' doesn't fetch unlocked input"
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# Using a clean working tree should produce the same result.
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path2=$(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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expect 102 nix eval --raw --expr "(builtins.fetchGit { url = $repo; rev = \"$rev2\"; narHash = \"sha256-B5yIPHhEm0eysJKEsO7nqxprh9vcblFxpJG11gXJus1=\"; }).outPath"
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path5=$(nix eval --raw --expr "(builtins.fetchGit { url = $repo; rev = \"$rev2\"; narHash = \"sha256-Hr8g6AqANb3xqX28eu1XnjK/3ab8Gv6TJSnkb1LezG9=\"; }).outPath")
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[[ $path = "$path5" ]]
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# Ensure that NAR hashes are checked.
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expectStderr 102 nix eval --raw --expr "(builtins.fetchGit { url = $repo; rev = \"$rev2\"; narHash = \"sha256-Hr8g6AqANb4xqX28eu1XnjK/3ab8Gv6TJSnkb1LezG9=\"; }).outPath" | grepQuiet "error: NAR hash mismatch"
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# It's allowed to use only a narHash, but you should get a warning.
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expectStderr 0 nix eval --raw --expr "(builtins.fetchGit { url = $repo; ref = \"tag2\"; narHash = \"sha256-Hr8g6AqANb3xqX28eu1XnjK/3ab8Gv6TJSnkb1LezG9=\"; }).outPath" | grepQuiet "warning: Input .* is unlocked"
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# tarball-ttl should be ignored if we specify a rev
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echo delft > "$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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# 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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# shellcheck disable=SC1083
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rev_tag1=$(git -C "$repo" rev-parse refs/tags/tag1^{commit})
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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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# shellcheck disable=SC1083
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rev_tag2=$(git -C "$repo" rev-parse refs/tags/tag2^{commit})
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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=$(nix eval --raw --expr "(builtins.fetchGit { url = file://$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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rm -rf "$TEST_HOME"/.cache/nix
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(! nix eval --impure --raw --expr "(builtins.fetchGit \"file://$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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# shellcheck disable=SC2034
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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 "$repo"
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# shellcheck disable=SC2034
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path11=$(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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result=$(nix eval --impure --expr "builtins.removeAttrs (builtins.fetchGit $empty) [\"outPath\"]")
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[[ "$result" = "$emptyAttrs" ]]
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echo foo > "$empty/x"
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result=$(nix eval --impure --expr "builtins.removeAttrs (builtins.fetchGit $empty) [\"outPath\"]")
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[[ "$result" = "$emptyAttrs" ]]
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git -C "$empty" add x
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expected_attrs="{ lastModified = 0; lastModifiedDate = \"19700101000000\"; narHash = \"sha256-wzlAGjxKxpaWdqVhlq55q5Gxo4Bf860+kLeEa/v02As=\"; rev = \"0000000000000000000000000000000000000000\"; revCount = 0; shortRev = \"0000000\"; submodules = false; }"
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result=$(nix eval --impure --expr "builtins.removeAttrs (builtins.fetchGit $empty) [\"outPath\"]")
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[[ "$result" = "$expected_attrs" ]]
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# Test a repo with an empty commit.
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git -C "$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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