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Don't allow appending a non-absolute path to the root of a source tree

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This avoids an inconsistency where a '/' is implicitly inserted when
you append to the root of a source tree, but not when you append to
any other path.
This commit is contained in:
Eelco Dolstra 2022-12-08 16:39:27 +01:00
parent d162222f25
commit 6d104bbbac
2 changed files with 10 additions and 1 deletions
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6
tests/toString-path.sh
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@ -3,6 +3,10 @@ source common.sh
mkdir -p $TEST_ROOT/foo
echo bla > $TEST_ROOT/foo/bar
[[ $(nix eval --raw --impure --expr "builtins.readFile (builtins.toString (builtins.fetchTree { type = \"path\"; path = \"$TEST_ROOT/foo\"; } + \"bar\"))") = bla ]]
[[ $(nix eval --raw --impure --expr "builtins.readFile (builtins.toString (builtins.fetchTree { type = \"path\"; path = \"$TEST_ROOT/foo\"; } + \"/bar\"))") = bla ]]
[[ $(nix eval --raw --impure --expr "builtins.readFile (builtins.toString (builtins.fetchTree { type = \"path\"; path = \"$TEST_ROOT/foo\"; } + \"/b\" + \"ar\"))") = bla ]]
(! nix eval --raw --impure --expr "builtins.fetchTree { type = \"path\"; path = \"$TEST_ROOT/foo\"; } + \"bar\"")
[[ $(nix eval --json --impure --expr "builtins.readDir (builtins.toString (builtins.fetchTree { type = \"path\"; path = \"$TEST_ROOT/foo\"; }))") = '{"bar":"regular"}' ]]