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Merge pull request #11195 from DeterminateSystems/tarball-roots

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Improve handling of tarballs that don't consist of a single top-level directory
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Eelco Dolstra 2024-07-29 16:58:59 +02:00 • committed by GitHub
commit 0b96c586e0
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8 changed files with 107 additions and 32 deletions
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10
src/libexpr/primops/fetchTree.cc
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@ -559,11 +559,11 @@ static RegisterPrimOp primop_fetchTarball({
.doc = R"(
Download the specified URL, unpack it and return the path of the
unpacked tree. The file must be a tape archive (`.tar`) compressed
with `gzip`, `bzip2` or `xz`. The top-level path component of the
files in the tarball is removed, so it is best if the tarball
contains a single directory at top level. The typical use of the
function is to obtain external Nix expression dependencies, such as
a particular version of Nixpkgs, e.g.
with `gzip`, `bzip2` or `xz`. If the tarball consists of a
single directory, then the top-level path component of the files
in the tarball is removed. The typical use of the function is to
obtain external Nix expression dependencies, such as a
particular version of Nixpkgs, e.g.
```nix
with import (fetchTarball https://github.com/NixOS/nixpkgs/archive/nixos-14.12.tar.gz) {};