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authorLudovic Courtès <ludo@gnu.org>2016-09-06 23:14:07 +0200
committerLudovic Courtès <ludo@gnu.org>2016-09-06 23:22:10 +0200
commit01afdab89c6a91f4cd05d3c4f4ff95a0402703eb (patch)
tree7be146245b7b7053532f38476399e5b8f5b2f9c4 /tests/guix-hash.sh
parent03763d6473bcd6c7a84bcc3a6aa7bc2d1ee1e44f (diff)
downloadguix-01afdab89c6a91f4cd05d3c4f4ff95a0402703eb.tar.gz
packages: Add 'package-superseded' and associated support.
This provides a way to mark a package as superseded by another one.
Upgrades replace superseded packages with their replacement.

* guix/packages.scm (package-superseded, deprecated-package): New
procedures.
* gnu/packages.scm (%find-package): Check for 'package-superseded'.
* guix/scripts/package.scm (transaction-upgrade-entry)[supersede]: New
procedure.  Call it when 'package-superseded' is true.
* tests/guix-build.sh: Add test for a superseded package.
* tests/packages.scm ("package-superseded")
("transaction-upgrade-entry, superseded package"): New tests.
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