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nix-env: Use wildcard match by default

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That is, you don't need to pass '*' anymore, so

  nix-env -qa

is equivalent to

  nix-env -qa '*'
This commit is contained in:
Eelco Dolstra 2013-09-03 15:56:33 +02:00
parent 07a08bddf0
commit 88c07341a6
2 changed files with 8 additions and 13 deletions
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9
src/libexpr/names.cc
View file

@ -55,7 +55,7 @@ static string nextComponent(string::const_iterator & p,
else else
while (p != end && (!isdigit(*p) && *p != '.' && *p != '-')) while (p != end && (!isdigit(*p) && *p != '.' && *p != '-'))
s += *p++; s += *p++;
return s; return s;
} }
@ -80,7 +80,7 @@ int compareVersions(const string & v1, const string & v2)
{ {
string::const_iterator p1 = v1.begin(); string::const_iterator p1 = v1.begin();
string::const_iterator p2 = v2.begin(); string::const_iterator p2 = v2.begin();
while (p1 != v1.end() || p2 != v2.end()) { while (p1 != v1.end() || p2 != v2.end()) {
string c1 = nextComponent(p1, v1.end()); string c1 = nextComponent(p1, v1.end());
string c2 = nextComponent(p2, v2.end()); string c2 = nextComponent(p2, v2.end());
@ -95,11 +95,10 @@ int compareVersions(const string & v1, const string & v2)
DrvNames drvNamesFromArgs(const Strings & opArgs) DrvNames drvNamesFromArgs(const Strings & opArgs)
{ {
DrvNames result; DrvNames result;
for (Strings::const_iterator i = opArgs.begin(); foreach (Strings::const_iterator, i, opArgs)
i != opArgs.end(); ++i)
result.push_back(DrvName(*i)); result.push_back(DrvName(*i));
return result; return result;
} }
} }

12
src/nix-env/nix-env.cc
View file

@ -243,13 +243,13 @@ static DrvInfos filterBySelector(EvalState & state, const DrvInfos & allElems,
const Strings & args, bool newestOnly) const Strings & args, bool newestOnly)
{ {
DrvNames selectors = drvNamesFromArgs(args); DrvNames selectors = drvNamesFromArgs(args);
if (selectors.empty())
selectors.push_back(DrvName("*"));
DrvInfos elems; DrvInfos elems;
set<unsigned int> done; set<unsigned int> done;
for (DrvNames::iterator i = selectors.begin(); foreach (DrvNames::iterator, i, selectors) {
i != selectors.end(); ++i)
{
typedef list<std::pair<DrvInfo, unsigned int> > Matches; typedef list<std::pair<DrvInfo, unsigned int> > Matches;
Matches matches; Matches matches;
unsigned int n = 0; unsigned int n = 0;
@ -321,8 +321,7 @@ static DrvInfos filterBySelector(EvalState & state, const DrvInfos & allElems,
} }
/* Check that all selectors have been used. */ /* Check that all selectors have been used. */
for (DrvNames::iterator i = selectors.begin(); foreach (DrvNames::iterator, i, selectors)
i != selectors.end(); ++i)
if (i->hits == 0 && i->fullName != "*") if (i->hits == 0 && i->fullName != "*")
throw Error(format("selector `%1%' matches no derivations") throw Error(format("selector `%1%' matches no derivations")
% i->fullName); % i->fullName);
@ -913,9 +912,6 @@ static void opQuery(Globals & globals,
else remaining.push_back(arg); else remaining.push_back(arg);
} }
if (remaining.size() == 0)
printMsg(lvlInfo, "warning: you probably meant to specify the argument '*' to show all packages");
/* Obtain derivation information from the specified source. */ /* Obtain derivation information from the specified source. */
DrvInfos availElems, installedElems; DrvInfos availElems, installedElems;