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Merge pull request #10090 from bobvanderlinden/profile-error-install-twice

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profile install: warn on installing package twice
This commit is contained in:
Eelco Dolstra 2024-02-29 10:04:08 +01:00 committed by GitHub
commit b1586a6799
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2 changed files with 34 additions and 7 deletions
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38
src/nix/profile.cc
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@ -101,6 +101,15 @@ struct ProfileElement
}
};
std::string getNameFromElement(const ProfileElement & element)
{
std::optional<std::string> result = std::nullopt;
if (element.source) {
result = getNameFromURL(parseURL(element.source->to_string()));
}
return result.value_or(element.identifier());
}
struct ProfileManifest
{
using ProfileElementName = std::string;
@ -189,12 +198,8 @@ struct ProfileManifest
void addElement(ProfileElement element)
{
auto name =
element.source
? getNameFromURL(parseURL(element.source->to_string()))
: std::nullopt;
auto name2 = name ? *name : element.identifier();
addElement(name2, std::move(element));
auto name = getNameFromElement(element);
addElement(name, std::move(element));
}
nlohmann::json toJSON(Store & store) const
@ -390,7 +395,26 @@ struct CmdProfileInstall : InstallablesCommand, MixDefaultProfile
element.updateStorePaths(getEvalStore(), store, res);
manifest.addElement(std::move(element));
auto elementName = getNameFromElement(element);
// Check if the element already exists.
auto existingPair = manifest.elements.find(elementName);
if (existingPair != manifest.elements.end()) {
auto existingElement = existingPair->second;
auto existingSource = existingElement.source;
auto elementSource = element.source;
if (existingSource
&& elementSource
&& existingElement.priority == element.priority
&& existingSource->originalRef == elementSource->originalRef
&& existingSource->attrPath == elementSource->attrPath
) {
warn("'%s' is already installed", elementName);
continue;
}
}
manifest.addElement(elementName, std::move(element));
}
try {

3
tests/functional/nix-profile.sh
View file

@ -64,6 +64,9 @@ nix profile install $flake1Dir
[[ $($TEST_HOME/.local/state/nix/profile/bin/hello) = "Hello World" ]]
unset NIX_CONFIG
# Test conflicting package install.
nix profile install $flake1Dir 2>&1 | grep "warning: 'flake1' is already installed"
# Test upgrading a package.
printf NixOS > $flake1Dir/who
printf 2.0 > $flake1Dir/version