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Add priority for nix profile install

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This commit is contained in:
Eli Kogan-Wang 2022-05-11 12:15:08 +02:00
parent 54457382f9
commit aefc6c4f41
3 changed files with 45 additions and 3 deletions
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3
src/libstore/builtins/buildenv.cc
View File

@ -93,8 +93,9 @@ static void createLinks(State & state, const Path & srcDir, const Path & dstDir,
auto prevPriority = state.priorities[dstFile];
if (prevPriority == priority)
throw Error(
"packages '%1%' and '%2%' have the same priority %3%; "
"files '%1%' and '%2%' have the same priority %3%; "
"use 'nix-env --set-flag priority NUMBER INSTALLED_PKGNAME' "
"or 'nix profile --priority NUMBER INSTALLED_PKGNAME' "
"to change the priority of one of the conflicting packages"
" (0 being the highest priority)",
srcFile, readLink(dstFile), priority);

29
src/nix/profile.cc
View File

@ -37,7 +37,7 @@ struct ProfileElement
StorePathSet storePaths;
std::optional<ProfileElementSource> source;
bool active = true;
// FIXME: priority
int priority = 5;
std::string describe() const
{
@ -116,6 +116,9 @@ struct ProfileManifest
for (auto & p : e["storePaths"])
element.storePaths.insert(state.store->parseStorePath((std::string) p));
element.active = e["active"];
if(e.contains("priority")) {
element.priority = e["priority"];
}
if (e.value(sUrl, "") != "") {
element.source = ProfileElementSource {
parseFlakeRef(e[sOriginalUrl]),
@ -153,6 +156,7 @@ struct ProfileManifest
nlohmann::json obj;
obj["storePaths"] = paths;
obj["active"] = element.active;
obj["priority"] = element.priority;
if (element.source) {
obj["originalUrl"] = element.source->originalRef.to_string();
obj["url"] = element.source->resolvedRef.to_string();
@ -177,7 +181,7 @@ struct ProfileManifest
for (auto & element : elements) {
for (auto & path : element.storePaths) {
if (element.active)
pkgs.emplace_back(store->printStorePath(path), true, 5);
pkgs.emplace_back(store->printStorePath(path), true, element.priority);
references.insert(path);
}
}
@ -259,6 +263,23 @@ builtPathsPerInstallable(
struct CmdProfileInstall : InstallablesCommand, MixDefaultProfile
{
std::optional<int> priority;
CmdProfileInstall() {
addFlag({
.longName = "priority",
.description = "The priority of the package to install.",
.labels = {"priority"},
.handler = {[&](std::string s) {
try{
priority = std::stoi(s);
} catch (std::invalid_argument & e) {
throw ParseError("invalid priority '%s'", s);
}
}},
// .completer = // no completer since number
});
};
std::string description() override
{
return "install a package into a profile";
@ -282,6 +303,10 @@ struct CmdProfileInstall : InstallablesCommand, MixDefaultProfile
for (auto & installable : installables) {
ProfileElement element;
if(priority) {
element.priority = *priority;
};
if (auto installable2 = std::dynamic_pointer_cast<InstallableFlake>(installable)) {
// FIXME: make build() return this?
auto [attrPath, resolvedRef, drv] = installable2->toDerivation();

16
tests/nix-profile.sh
View File

@ -120,3 +120,19 @@ nix profile install "$flake1Dir^man"
(! [ -e $TEST_HOME/.nix-profile/bin/hello ])
[ -e $TEST_HOME/.nix-profile/share/man ]
(! [ -e $TEST_HOME/.nix-profile/include ])
# test priority
nix profile remove 0
# Make another flake.
flake2Dir=$TEST_ROOT/flake2
printf World > $flake1Dir/who
cp -r $flake1Dir $flake2Dir
printf World2 > $flake2Dir/who
nix profile install $flake1Dir
[[ $($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
[[ $($TEST_HOME/.nix-profile/bin/hello) = "Hello World2" ]]