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add reproducible tarballs to the enhancements of EasyBuild v5 #279

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Sep 27, 2024
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add reproducible tarballs to the enhancements of EasyBuild v5 #279

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bea4425
add reproducible tarballs to the enhancements of EasyBuild v5
lexming Sep 26, 2024
a6386d4
use cloned instead of downloaded for sources get from git repos
lexming Sep 26, 2024
7d50192
avoid repition in text of reproducible tarballs enhacement
lexming Sep 26, 2024
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15 changes: 15 additions & 0 deletions docs/easybuild-v5/enhancements.md
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Expand Up @@ -6,6 +6,7 @@ Various significant enhancements are included in EasyBuild v5.0, including:

* [`run_shell_cmd` function][run_shell_cmd]
* [Granular exit codes][granular_exit_codes]
* [Reproducible tarballs][reproducible_tarballs]

---

Expand All @@ -25,3 +26,17 @@ checksum check. The full list of exit codes is defined in the class
EasyBuild will always return its own exit codes on termination. Other exit
codes from external processes executed through `run_shell_cmd` or HTTP response
status codes are reported in the corresponding logs.

## Reproducible tarballs { : #reproducible_tarballs}

EasyBuild can now generate reproducible tarballs of sources downloaded from Git
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repositories. This means that the contents of sources obtained by cloning Git
repositories will be consistent across different systems and across time,
allowing to reliably validate those sources with checksums. EasyBuild follows
the [archival guidelines from reproducible-builds.org](https://reproducible-builds.org/docs/archives/)
to generate reproducible tarballs.

This new feature does not apply to sources cloned with `keep_git_dir` enabled.
Including the `.git` folder in the sources is inherently time-dependent as it
contains information about the clone action itself, which hinders the creation
of a reproducible tarball.
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