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Merge pull request #7788 from bobvanderlinden/pr-improve-nix-profile-install-error

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Improve error on conflict for nix profile install
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Valentin Gagarin 2023-03-01 11:48:43 +01:00 • committed by GitHub
commit 306e5c5ce5
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4 changed files with 118 additions and 8 deletions
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30
tests/nix-profile.sh
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@ -140,6 +140,36 @@ printf World2 > $flake2Dir/who
nix profile install $flake1Dir
[[ $($TEST_HOME/.nix-profile/bin/hello) = "Hello World" ]]
expect 1 nix profile install $flake2Dir
diff -u <(
nix --offline profile install $flake2Dir 2>&1 1> /dev/null \
| grep -vE "^warning: " \
|| true
) <(cat << EOF
error: An existing package already provides the following file:
$(nix build --no-link --print-out-paths ${flake1Dir}"#default.out")/bin/hello
This is the conflicting file from the new package:
$(nix build --no-link --print-out-paths ${flake2Dir}"#default.out")/bin/hello
To remove the existing package:
nix profile remove path:${flake1Dir}
The new package can also be installed next to the existing one by assigning a different priority.
The conflicting packages have a priority of 5.
To prioritise the new package:
nix profile install path:${flake2Dir} --priority 4
To prioritise the existing package:
nix profile install path:${flake2Dir} --priority 6
EOF
)
[[ $($TEST_HOME/.nix-profile/bin/hello) = "Hello World" ]]
nix profile install $flake2Dir --priority 100
[[ $($TEST_HOME/.nix-profile/bin/hello) = "Hello World" ]]
nix profile install $flake2Dir --priority 0