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Not the same thing. Yum also doesn't provide atomic upgrades.
by davexunit 10y ago
Not the same thing. Yum also doesn't provide atomic upgrades.
- jjnoakes 10y agoWhile not identical to Guix or Nix, it certainly is analogous to rolling things back. If I upgrade a package from 1.0.1 to 1.0.2 and it breaks, I can pin it to 1.0.1 and continue on my merry way.
- davexunit 10y agoBut without the rollback being atomic, there is potential for the rollback to fail and the system to be left in a broken state. Guix and Nix also can record many generations of the system and roll back to any one of them. Pinning packages with yum is very primitive and unsafe by comparison.
- jjnoakes 10y agoYum typically upgrades packages through very minor version changes. Like a.b.c to a.b.c+1. Rolling back is not nearly dangerous as you are implying in a curated distribution.