Hello! l...@gnu.org (Ludovic Courtès) skribis:
> Ricardo Wurmus <rek...@elephly.net> skribis: > >> In this case it is not entirely clear that the existing python-requests >> package in the profile is “old”. The version looks the same and the >> hash is opaque. >> >> Would it be possible to record something about the Guix version that was >> used to install a package? Then we could say: >> >> An older variant of python-requests is installed in this profile >> (propagated from package “foo-bar”) and conflicts with a newer variant >> (propagated from package “python-twine”). > > When the version numbers are the same, we cannot tell whether a variant > is “older”, we can just tell that it’s different. Also, I find it > useful to see the propagation stack as is currently the case. > > With the patch below, I get: > > $ ./pre-inst-env guix package -p foo -i python@2 python > The following packages will be installed: > python 2.7.13 > /gnu/store/vysfxizaddh1q8s5qjgbdkzxx0585dzi-python-2.7.13 > python 3.5.3 /gnu/store/m4rdgmvdqcxs2zhv42idnz1s1w391i8j-python-3.5.3 > > guix package: error: profile contains conflicting entries for python:out > guix package: error: first entry: python@2.7.13 > /gnu/store/vysfxizaddh1q8s5qjgbdkzxx0585dzi-python-2.7.13 > guix package: error: second entry: python@3.5.3 > /gnu/store/m4rdgmvdqcxs2zhv42idnz1s1w391i8j-python-3.5.3 > hint: You cannot have two different versions or variants of `python' in the > same profile. > > > and: > > $ ./pre-inst-env guix package -i guile-cairo -p foo --no-grafts > The following package will be installed: > guile-cairo 1.4.1 > /gnu/store/dsdbp9sqla6zz2skljlcr5zfjyzvargf-guile-cairo-1.4.1 > > guix package: error: profile contains conflicting entries for cairo:out > guix package: error: first entry: cairo@1.14.10 > /gnu/store/c4vl4hw5jccg0b23sfvs0kdnfdbxdlgm-cairo-1.14.10 > guix package: error: ... propagated from guile-cairo@1.4.1 > guix package: error: second entry: cairo@1.14.10 > /gnu/store/nwxv9s2q8pi0m6gn6fyidpj8442dwp6f-cairo-1.14.10 > guix package: error: ... propagated from cairomm@1.12.2 > hint: Try upgrading both `guile-cairo' and `cairomm', or remove one of them > from the profile. I’ve pushed the patch as commit 3b80b81358b3861ca3794105c8eb4395df97846b. Hopefully these hints help users get on the right track, and we can always adjust them. Thanks, Ludo’.
