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xbps-install -u xbps may leave system in an unusable state

Abierto
#592 1 comentario 1 reacción 0 asignados Ver en GitHub

@oreo639 ya está trabajando en esto.

Desde el 15/4/2024.

  • #597 de @oreo639 — abierto

Evaluación

Dificultad
5/5
Tiempo estimado
Más de una semana
Aptitud para principiantes
25/100
Tipo de issue
Nueva funcionalidad
Claridad
Necesita aclaración
Estado de actividad
Estancado
Stack tecnológico
c

Línea de trabajo

Start in lib/transaction_ops.c around lines 276-285 and trace how xbps-install -u xbps handles missing dependencies and shlibs. Reproduce the glibc 2.38/libcrypt.so.1 scenario, then define and validate a safer self-upgrade path that does not leave core dependents such as PAM unusable.

Escrito por el modelo de indexación a partir del texto del issue.

Descripción

When updating through xbps, if the repositories have an update for xbps available, then the only install/update action that may be performed is xbps-install -u xbps.

Since this may sometimes result in a situation where xbps may be unable to be updated since one of its dependencies may break their dependents, the decision was made to have xbps-install -u xbps ignore all missing dependency and missing shlibs errors:
https://github.com/void-linux/xbps/blob/master/lib/transaction_ops.c#L276-L285

This is problematic since with glibc 2.38, libcrypt.so.1 was dropped. In order to upgrade xbps, glibc must be updated, however, the glibc upgrade may break glibc dependents, which gets ignored.

The comment in the transaction_ops.c file suggests that you can just make sure to do xbps-install -Su afterwards and the problem will be resolved, however, if something like PAM gets broken, then now you now are going to have a real hard time logging in or changing user (sudo, for example, won't work anymore).

My question is, is this really the best way to handle this or is there a more intelligent way to handle xbps self upgrades.
(I know it is too late to fix this for the old ISOs but if we can fix this for the future, then that would be nice)

Lenguaje dominante
C
Estrellas
1.2k
Forks
152
Métricas de merge de PR
Sin PR fusionados en 30 d

Preparar el entorno

Primeros pasos

  1. Lee el issue completo y luego la guía de contribución del proyecto.
  2. Comenta en el issue que vas a ocuparte — evita que dos personas hagan lo mismo.
  3. Haz un fork del repositorio y trabaja en una rama.
  4. Abre un pull request que haga referencia al número del issue.

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