nixos/nix
1
1
Fork 0
mirror of https://github.com/NixOS/nix.git synced 2025-12-02 07:00:59 +01:00
Code Activity

Merge branch 'master' of github.com:NixOS/nix into enum-class

Browse source
This commit is contained in:
Carlo Nucera 2020-05-28 10:58:22 -04:00
commit 4f597fb901
190 changed files with 7862 additions and 1487 deletions
Download patch file Download diff file Expand all files Collapse all files

47
src/nix-env/nix-env.cc
View file

@ -13,7 +13,7 @@
#include "json.hh"
#include "value-to-json.hh"
#include "xml-writer.hh"
#include "legacy.hh"
#include "../nix/legacy.hh"
#include <cerrno>
#include <ctime>
@ -718,28 +718,39 @@ static void uninstallDerivations(Globals & globals, Strings & selectors,
while (true) {
string lockToken = optimisticLockProfile(profile);
DrvInfos installedElems = queryInstalled(*globals.state, profile);
DrvInfos newElems;
DrvInfos workingElems = queryInstalled(*globals.state, profile);
for (auto & i : installedElems) {
DrvName drvName(i.queryName());
bool found = false;
for (auto & j : selectors)
/* !!! the repeated calls to followLinksToStorePath()
are expensive, should pre-compute them. */
if ((isPath(j) && globals.state->store->parseStorePath(i.queryOutPath()) == globals.state->store->followLinksToStorePath(j))
|| DrvName(j).matches(drvName))
{
printInfo("uninstalling '%s'", i.queryName());
found = true;
break;
}
if (!found) newElems.push_back(i);
for (auto & selector : selectors) {
DrvInfos::iterator split = workingElems.begin();
if (isPath(selector)) {
StorePath selectorStorePath = globals.state->store->followLinksToStorePath(selector);
split = std::partition(
workingElems.begin(), workingElems.end(),
[&selectorStorePath, globals](auto &elem) {
return selectorStorePath != globals.state->store->parseStorePath(elem.queryOutPath());
}
);
} else {
DrvName selectorName(selector);
split = std::partition(
workingElems.begin(), workingElems.end(),
[&selectorName](auto &elem){
DrvName elemName(elem.queryName());
return !selectorName.matches(elemName);
}
);
}
if (split == workingElems.end())
warn("selector '%s' matched no installed derivations", selector);
for (auto removedElem = split; removedElem != workingElems.end(); removedElem++) {
printInfo("uninstalling '%s'", removedElem->queryName());
}
workingElems.erase(split, workingElems.end());
}
if (globals.dryRun) return;
if (createUserEnv(*globals.state, newElems,
if (createUserEnv(*globals.state, workingElems,
profile, settings.envKeepDerivations, lockToken)) break;
}
}