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Revert "libexpr: Fix prim_replaceStrings() to work on an empty source string"

This reverts commit 4ea9707591.

It causes an infinite loop in Nixpkgs evaluation,
e.g. "nix-instantiate -A hello" hung.

PR #1886.
This commit is contained in:
Eelco Dolstra 2018-02-21 15:34:40 +01:00
parent a6c497f526
commit e2d71bd186
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3 changed files with 4 additions and 11 deletions

View file

@ -1 +1 @@
[ "faabar" "fbar" "fubar" "faboor" "fubar" "XaXbXcX" "X" ]
[ "faabar" "fbar" "fubar" "faboor" "fubar" ]

View file

@ -5,6 +5,4 @@ with builtins;
(replaceStrings ["oo"] ["u"] "foobar")
(replaceStrings ["oo" "a"] ["a" "oo"] "foobar")
(replaceStrings ["oo" "oo"] ["u" "i"] "foobar")
(replaceStrings [""] ["X"] "abc")
(replaceStrings [""] ["X"] "")
]