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doc: add stdenv entry for no-broken-symlinks.sh

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Connor Baker
2025-01-21 17:35:14 -08:00
parent ba1297b0d3
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doc/stdenv/stdenv.chapter.md
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@@ -1371,6 +1371,14 @@ This setup hook moves any systemd user units installed in the `lib/` subdirector
This hook only runs when compiling for Linux.
### `no-broken-symlinks.sh` {#no-broken-symlinks.sh}
This setup hook checks for, reports, and (by default) fails builds when "broken" symlinks are found. A symlink is considered "broken" if it's dangling (the target doesn't exist) or reflexive (it refers to itself).
By setting `allowDanglingSymlinks` or `allowReflexiveSymlinks` the hook can be configured to allow symlinks with non-existent targets or symlinks which are reflexive, respectively.
This hook can be disabled entirely by setting `dontCheckForBrokenSymlinks`.
### `set-source-date-epoch-to-latest.sh` {#set-source-date-epoch-to-latest.sh}
This sets `SOURCE_DATE_EPOCH` to the modification time of the most recent file.