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fix error calls

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This commit is contained in:
Ben Burdette 2020-04-30 17:56:26 -06:00
parent f5d3215c87
commit a3030e3c31
2 changed files with 11 additions and 21 deletions
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30
src/nix-channel/nix-channel.cc
View file

@ -37,8 +37,7 @@ static void writeChannels()
{ {
auto channelsFD = AutoCloseFD{open(channelsList.c_str(), O_WRONLY | O_CLOEXEC | O_CREAT | O_TRUNC, 0644)}; auto channelsFD = AutoCloseFD{open(channelsList.c_str(), O_WRONLY | O_CLOEXEC | O_CREAT | O_TRUNC, 0644)};
if (!channelsFD) if (!channelsFD)
throw Error(""); throw SysError("opening '%1%' for writing", channelsList);
// throw SysError("opening '%1%' for writing", channelsList);
for (const auto & channel : channels) for (const auto & channel : channels)
writeFull(channelsFD.get(), channel.second + " " + channel.first + "\n"); writeFull(channelsFD.get(), channel.second + " " + channel.first + "\n");
} }
@ -47,11 +46,9 @@ static void writeChannels()
static void addChannel(const string & url, const string & name) static void addChannel(const string & url, const string & name)
{ {
if (!regex_search(url, std::regex("^(file|http|https)://"))) if (!regex_search(url, std::regex("^(file|http|https)://")))
throw Error(""); throw Error("invalid channel URL '%1%'", url);
// throw Error("invalid channel URL '%1%'", url);
if (!regex_search(name, std::regex("^[a-zA-Z0-9_][a-zA-Z0-9_\\.-]*$"))) if (!regex_search(name, std::regex("^[a-zA-Z0-9_][a-zA-Z0-9_\\.-]*$")))
throw Error(""); throw Error("invalid channel identifier '%1%'", name);
// throw Error("invalid channel identifier '%1%'", name);
readChannels(); readChannels();
channels[name] = url; channels[name] = url;
writeChannels(); writeChannels();
@ -143,11 +140,9 @@ static void update(const StringSet & channelNames)
if (S_ISLNK(st.st_mode)) if (S_ISLNK(st.st_mode))
// old-skool ~/.nix-defexpr // old-skool ~/.nix-defexpr
if (unlink(nixDefExpr.c_str()) == -1) if (unlink(nixDefExpr.c_str()) == -1)
throw Error(""); throw SysError("unlinking %1%", nixDefExpr);
// throw SysError("unlinking %1%", nixDefExpr);
} else if (errno != ENOENT) { } else if (errno != ENOENT) {
throw Error(""); throw SysError("getting status of %1%", nixDefExpr);
// throw SysError("getting status of %1%", nixDefExpr);
} }
createDirs(nixDefExpr); createDirs(nixDefExpr);
auto channelLink = nixDefExpr + "/channels"; auto channelLink = nixDefExpr + "/channels";
@ -199,12 +194,10 @@ static int _main(int argc, char ** argv)
switch (cmd) { switch (cmd) {
case cNone: case cNone:
throw Error(""); throw UsageError("no command specified");
// throw UsageError("no command specified");
case cAdd: case cAdd:
if (args.size() < 1 || args.size() > 2) if (args.size() < 1 || args.size() > 2)
throw Error(""); throw UsageError("'--add' requires one or two arguments");
// throw UsageError("'--add' requires one or two arguments");
{ {
auto url = args[0]; auto url = args[0];
std::string name; std::string name;
@ -220,14 +213,12 @@ static int _main(int argc, char ** argv)
break; break;
case cRemove: case cRemove:
if (args.size() != 1) if (args.size() != 1)
throw Error(""); throw UsageError("'--remove' requires one argument");
// throw UsageError("'--remove' requires one argument");
removeChannel(args[0]); removeChannel(args[0]);
break; break;
case cList: case cList:
if (!args.empty()) if (!args.empty())
throw Error(""); throw UsageError("'--list' expects no arguments");
// throw UsageError("'--list' expects no arguments");
readChannels(); readChannels();
for (const auto & channel : channels) for (const auto & channel : channels)
std::cout << channel.first << ' ' << channel.second << '\n'; std::cout << channel.first << ' ' << channel.second << '\n';
@ -237,8 +228,7 @@ static int _main(int argc, char ** argv)
break; break;
case cRollback: case cRollback:
if (args.size() > 1) if (args.size() > 1)
throw Error(""); throw UsageError("'--rollback' has at most one argument");
// throw UsageError("'--rollback' has at most one argument");
Strings envArgs{"--profile", profile}; Strings envArgs{"--profile", profile};
if (args.size() == 1) { if (args.size() == 1) {
envArgs.push_back("--switch-generation"); envArgs.push_back("--switch-generation");

2
src/nix-store/nix-store.cc
View file

@ -906,7 +906,7 @@ static void opServe(Strings opFlags, Strings opArgs)
if (!writeAllowed) throw Error("building paths is not allowed"); if (!writeAllowed) throw Error("building paths is not allowed");
auto drvPath = store->parseStorePath(readString(in)); // inonal ony auto drvPath = store->parseStorePath(readString(in)); // informational only
BasicDerivation drv; BasicDerivation drv;
readDerivation(in, *store, drv); readDerivation(in, *store, drv);