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Diffstat (limited to 'src/nix-env/nix-env.cc')
-rw-r--r--src/nix-env/nix-env.cc155
1 files changed, 82 insertions, 73 deletions
diff --git a/src/nix-env/nix-env.cc b/src/nix-env/nix-env.cc
index 106dfe0b6..8b0692035 100644
--- a/src/nix-env/nix-env.cc
+++ b/src/nix-env/nix-env.cc
@@ -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>
@@ -25,7 +25,6 @@
#include <sys/stat.h>
#include <unistd.h>
-
using namespace nix;
using std::cout;
@@ -70,8 +69,7 @@ typedef void (* Operation) (Globals & globals,
static string needArg(Strings::iterator & i,
Strings & args, const string & arg)
{
- if (i == args.end()) throw UsageError(
- format("'%1%' requires an argument") % arg);
+ if (i == args.end()) throw UsageError("'%1%' requires an argument", arg);
return *i++;
}
@@ -125,7 +123,10 @@ static void getAllExprs(EvalState & state,
if (hasSuffix(attrName, ".nix"))
attrName = string(attrName, 0, attrName.size() - 4);
if (!attrs.insert(attrName).second) {
- printError(format("warning: name collision in input Nix expressions, skipping '%1%'") % path2);
+ logError({
+ .name = "Name collision",
+ .hint = hintfmt("warning: name collision in input Nix expressions, skipping '%1%'", path2)
+ });
continue;
}
/* Load the expression on demand. */
@@ -133,7 +134,7 @@ static void getAllExprs(EvalState & state,
Value & vArg(*state.allocValue());
mkString(vArg, path2);
if (v.attrs->size() == v.attrs->capacity())
- throw Error(format("too many Nix expressions in directory '%1%'") % path);
+ throw Error("too many Nix expressions in directory '%1%'", path);
mkApp(*state.allocAttr(v, state.symbols.create(attrName)), vFun, vArg);
}
else if (S_ISDIR(st.st_mode))
@@ -144,11 +145,12 @@ static void getAllExprs(EvalState & state,
}
+
static void loadSourceExpr(EvalState & state, const Path & path, Value & v)
{
struct stat st;
if (stat(path.c_str(), &st) == -1)
- throw SysError(format("getting information about '%1%'") % path);
+ throw SysError("getting information about '%1%'", path);
if (isNixExpr(path, st))
state.evalFile(path, v);
@@ -178,7 +180,7 @@ static void loadDerivations(EvalState & state, Path nixExprPath,
Value vRoot;
loadSourceExpr(state, nixExprPath, vRoot);
- Value & v(*findAlongAttrPath(state, pathPrefix, autoArgs, vRoot));
+ Value & v(*findAlongAttrPath(state, pathPrefix, autoArgs, vRoot).first);
getDerivations(state, v, pathPrefix, autoArgs, elems, true);
@@ -210,9 +212,7 @@ static bool isPrebuilt(EvalState & state, DrvInfo & elem)
{
auto path = state.store->parseStorePath(elem.queryOutPath());
if (state.store->isValidPath(path)) return true;
- StorePathSet paths;
- paths.insert(path.clone()); // FIXME: why doesn't StorePathSet{path.clone()} work?
- return state.store->querySubstitutablePaths(paths).count(path);
+ return state.store->querySubstitutablePaths({path}).count(path);
}
@@ -221,7 +221,7 @@ static void checkSelectorUse(DrvNames & selectors)
/* Check that all selectors have been used. */
for (auto & i : selectors)
if (i.hits == 0 && i.fullName != "*")
- throw Error(format("selector '%1%' matches no derivations") % i.fullName);
+ throw Error("selector '%1%' matches no derivations", i.fullName);
}
@@ -408,7 +408,7 @@ static void queryInstSources(EvalState & state,
Value vRoot;
loadSourceExpr(state, instSource.nixExprPath, vRoot);
for (auto & i : args) {
- Value & v(*findAlongAttrPath(state, i, *instSource.autoArgs, vRoot));
+ Value & v(*findAlongAttrPath(state, i, *instSource.autoArgs, vRoot).first);
getDerivations(state, v, "", *instSource.autoArgs, elems, true);
}
break;
@@ -423,9 +423,9 @@ static void printMissing(EvalState & state, DrvInfos & elems)
for (auto & i : elems) {
Path drvPath = i.queryDrvPath();
if (drvPath != "")
- targets.emplace_back(state.store->parseStorePath(drvPath));
+ targets.push_back({state.store->parseStorePath(drvPath)});
else
- targets.emplace_back(state.store->parseStorePath(i.queryOutPath()));
+ targets.push_back({state.store->parseStorePath(i.queryOutPath())});
}
printMissing(state.store, targets);
@@ -507,7 +507,7 @@ static void opInstall(Globals & globals, Strings opFlags, Strings opArgs)
globals.preserveInstalled = true;
else if (arg == "--remove-all" || arg == "-r")
globals.removeAll = true;
- else throw UsageError(format("unknown flag '%1%'") % arg);
+ else throw UsageError("unknown flag '%1%'", arg);
}
installDerivations(globals, opArgs, globals.profile);
@@ -618,7 +618,7 @@ static void opUpgrade(Globals & globals, Strings opFlags, Strings opArgs)
else if (arg == "--leq") upgradeType = utLeq;
else if (arg == "--eq") upgradeType = utEq;
else if (arg == "--always") upgradeType = utAlways;
- else throw UsageError(format("unknown flag '%1%'") % arg);
+ else throw UsageError("unknown flag '%1%'", arg);
}
upgradeDerivations(globals, opArgs, upgradeType);
@@ -637,7 +637,7 @@ static void setMetaFlag(EvalState & state, DrvInfo & drv,
static void opSetFlag(Globals & globals, Strings opFlags, Strings opArgs)
{
if (opFlags.size() > 0)
- throw UsageError(format("unknown flag '%1%'") % opFlags.front());
+ throw UsageError("unknown flag '%1%'", opFlags.front());
if (opArgs.size() < 2)
throw UsageError("not enough arguments to '--set-flag'");
@@ -680,7 +680,7 @@ static void opSet(Globals & globals, Strings opFlags, Strings opArgs)
for (Strings::iterator i = opFlags.begin(); i != opFlags.end(); ) {
string arg = *i++;
if (parseInstallSourceOptions(globals, i, opFlags, arg)) ;
- else throw UsageError(format("unknown flag '%1%'") % arg);
+ else throw UsageError("unknown flag '%1%'", arg);
}
DrvInfos elems;
@@ -695,13 +695,13 @@ static void opSet(Globals & globals, Strings opFlags, Strings opArgs)
drv.setName(globals.forceName);
if (drv.queryDrvPath() != "") {
- std::vector<StorePathWithOutputs> paths{globals.state->store->parseStorePath(drv.queryDrvPath())};
+ std::vector<StorePathWithOutputs> paths{{globals.state->store->parseStorePath(drv.queryDrvPath())}};
printMissing(globals.state->store, paths);
if (globals.dryRun) return;
globals.state->store->buildPaths(paths, globals.state->repair ? bmRepair : bmNormal);
} else {
printMissing(globals.state->store,
- {globals.state->store->parseStorePath(drv.queryOutPath())});
+ {{globals.state->store->parseStorePath(drv.queryOutPath())}});
if (globals.dryRun) return;
globals.state->store->ensurePath(globals.state->store->parseStorePath(drv.queryOutPath()));
}
@@ -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;
}
}
@@ -748,7 +759,7 @@ static void uninstallDerivations(Globals & globals, Strings & selectors,
static void opUninstall(Globals & globals, Strings opFlags, Strings opArgs)
{
if (opFlags.size() > 0)
- throw UsageError(format("unknown flag '%1%'") % opFlags.front());
+ throw UsageError("unknown flag '%1%'", opFlags.front());
uninstallDerivations(globals, opArgs, globals.profile);
}
@@ -861,7 +872,11 @@ static void queryJSON(Globals & globals, vector<DrvInfo> & elems)
auto placeholder = metaObj.placeholder(j);
Value * v = i.queryMeta(j);
if (!v) {
- printError("derivation '%s' has invalid meta attribute '%s'", i.queryName(), j);
+ logError({
+ .name = "Invalid meta attribute",
+ .hint = hintfmt("derivation '%s' has invalid meta attribute '%s'",
+ i.queryName(), j)
+ });
placeholder.write(nullptr);
} else {
PathSet context;
@@ -911,7 +926,7 @@ static void opQuery(Globals & globals, Strings opFlags, Strings opArgs)
else if (arg == "--attr" || arg == "-A")
attrPath = needArg(i, opFlags, arg);
else
- throw UsageError(format("unknown flag '%1%'") % arg);
+ throw UsageError("unknown flag '%1%'", arg);
}
if (printAttrPath && source != sAvailable)
@@ -1112,7 +1127,12 @@ static void opQuery(Globals & globals, Strings opFlags, Strings opArgs)
attrs2["name"] = j;
Value * v = i.queryMeta(j);
if (!v)
- printError("derivation '%s' has invalid meta attribute '%s'", i.queryName(), j);
+ logError({
+ .name = "Invalid meta attribute",
+ .hint = hintfmt(
+ "derivation '%s' has invalid meta attribute '%s'",
+ i.queryName(), j)
+ });
else {
if (v->type == tString) {
attrs2["type"] = "string";
@@ -1177,9 +1197,9 @@ static void opQuery(Globals & globals, Strings opFlags, Strings opArgs)
static void opSwitchProfile(Globals & globals, Strings opFlags, Strings opArgs)
{
if (opFlags.size() > 0)
- throw UsageError(format("unknown flag '%1%'") % opFlags.front());
+ throw UsageError("unknown flag '%1%'", opFlags.front());
if (opArgs.size() != 1)
- throw UsageError(format("exactly one argument expected"));
+ throw UsageError("exactly one argument expected");
Path profile = absPath(opArgs.front());
Path profileLink = getHome() + "/.nix-profile";
@@ -1207,10 +1227,10 @@ static void switchGeneration(Globals & globals, int dstGen)
if (!dst) {
if (dstGen == prevGen)
- throw Error(format("no generation older than the current (%1%) exists")
- % curGen);
+ throw Error("no generation older than the current (%1%) exists",
+ curGen);
else
- throw Error(format("generation %1% does not exist") % dstGen);
+ throw Error("generation %1% does not exist", dstGen);
}
printInfo(format("switching from generation %1% to %2%")
@@ -1225,13 +1245,13 @@ static void switchGeneration(Globals & globals, int dstGen)
static void opSwitchGeneration(Globals & globals, Strings opFlags, Strings opArgs)
{
if (opFlags.size() > 0)
- throw UsageError(format("unknown flag '%1%'") % opFlags.front());
+ throw UsageError("unknown flag '%1%'", opFlags.front());
if (opArgs.size() != 1)
- throw UsageError(format("exactly one argument expected"));
+ throw UsageError("exactly one argument expected");
int dstGen;
if (!string2Int(opArgs.front(), dstGen))
- throw UsageError(format("expected a generation number"));
+ throw UsageError("expected a generation number");
switchGeneration(globals, dstGen);
}
@@ -1240,9 +1260,9 @@ static void opSwitchGeneration(Globals & globals, Strings opFlags, Strings opArg
static void opRollback(Globals & globals, Strings opFlags, Strings opArgs)
{
if (opFlags.size() > 0)
- throw UsageError(format("unknown flag '%1%'") % opFlags.front());
+ throw UsageError("unknown flag '%1%'", opFlags.front());
if (opArgs.size() != 0)
- throw UsageError(format("no arguments expected"));
+ throw UsageError("no arguments expected");
switchGeneration(globals, prevGen);
}
@@ -1251,9 +1271,9 @@ static void opRollback(Globals & globals, Strings opFlags, Strings opArgs)
static void opListGenerations(Globals & globals, Strings opFlags, Strings opArgs)
{
if (opFlags.size() > 0)
- throw UsageError(format("unknown flag '%1%'") % opFlags.front());
+ throw UsageError("unknown flag '%1%'", opFlags.front());
if (opArgs.size() != 0)
- throw UsageError(format("no arguments expected"));
+ throw UsageError("no arguments expected");
PathLocks lock;
lockProfile(lock, globals.profile);
@@ -1278,7 +1298,7 @@ static void opListGenerations(Globals & globals, Strings opFlags, Strings opArgs
static void opDeleteGenerations(Globals & globals, Strings opFlags, Strings opArgs)
{
if (opFlags.size() > 0)
- throw UsageError(format("unknown flag '%1%'") % opFlags.front());
+ throw UsageError("unknown flag '%1%'", opFlags.front());
if (opArgs.size() == 1 && opArgs.front() == "old") {
deleteOldGenerations(globals.profile, globals.dryRun);
@@ -1286,18 +1306,18 @@ static void opDeleteGenerations(Globals & globals, Strings opFlags, Strings opAr
deleteGenerationsOlderThan(globals.profile, opArgs.front(), globals.dryRun);
} else if (opArgs.size() == 1 && opArgs.front().find('+') != string::npos) {
if(opArgs.front().size() < 2)
- throw Error(format("invalid number of generations ‘%1%’") % opArgs.front());
+ throw Error("invalid number of generations ‘%1%’", opArgs.front());
string str_max = string(opArgs.front(), 1, opArgs.front().size());
int max;
if (!string2Int(str_max, max) || max == 0)
- throw Error(format("invalid number of generations to keep ‘%1%’") % opArgs.front());
+ throw Error("invalid number of generations to keep ‘%1%’", opArgs.front());
deleteGenerationsGreaterThan(globals.profile, max, globals.dryRun);
} else {
std::set<unsigned int> gens;
for (auto & i : opArgs) {
unsigned int n;
if (!string2Int(i, n))
- throw UsageError(format("invalid generation number '%1%'") % i);
+ throw UsageError("invalid generation number '%1%'", i);
gens.insert(n);
}
deleteGenerations(globals.profile, gens, globals.dryRun);
@@ -1428,26 +1448,15 @@ static int _main(int argc, char * * argv)
if (globals.profile == "")
globals.profile = getEnv("NIX_PROFILE").value_or("");
- if (globals.profile == "") {
- Path profileLink = getHome() + "/.nix-profile";
- try {
- if (!pathExists(profileLink)) {
- replaceSymlink(
- getuid() == 0
- ? settings.nixStateDir + "/profiles/default"
- : fmt("%s/profiles/per-user/%s/profile", settings.nixStateDir, getUserName()),
- profileLink);
- }
- globals.profile = absPath(readLink(profileLink), dirOf(profileLink));
- } catch (Error &) {
- globals.profile = profileLink;
- }
- }
+ if (globals.profile == "")
+ globals.profile = getDefaultProfile();
op(globals, opFlags, opArgs);
globals.state->printStats();
+ logger->stop();
+
return 0;
}
}