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* Sort `nix-env -q' output by derivation name.

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* `--version' flag for all commands.
* Manual updates.
This commit is contained in:
Eelco Dolstra 2004-02-02 10:51:54 +00:00
parent 47c003cb59
commit d9f30fe7c7
11 changed files with 83 additions and 56 deletions
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2
src/nix-env/help.txt
View file

@ -21,7 +21,7 @@ name `*' may be used to indicate all derivations.
Query types:
--name: print derivation names (default)
--expr / -e: print derivation store expression
--expr: print derivation store expression
--status / -s: print installed/present status
Query sources:

33
src/nix-env/main.cc
View file

@ -29,6 +29,7 @@ struct DrvInfo
};
typedef map<Path, DrvInfo> DrvInfos;
typedef vector<DrvInfo> DrvInfoList;
void printHelp()
@ -547,6 +548,12 @@ static void opUninstall(Globals & globals,
}
static bool cmpDrvByName(const DrvInfo & a, const DrvInfo & b)
{
return a.name < b.name;
}
static void opQuery(Globals & globals,
Strings opFlags, Strings opArgs)
{
@ -556,7 +563,7 @@ static void opQuery(Globals & globals,
for (Strings::iterator i = opFlags.begin();
i != opFlags.end(); ++i)
if (*i == "--name") query = qName;
else if (*i == "--expr" || *i == "-e") query = qDrvPath;
else if (*i == "--expr") query = qDrvPath;
else if (*i == "--status" || *i == "-s") query = qStatus;
else if (*i == "--installed") source = sInstalled;
else if (*i == "--available" || *i == "-a") source = sAvailable;
@ -580,19 +587,25 @@ static void opQuery(Globals & globals,
}
if (opArgs.size() != 0) throw UsageError("no arguments expected");
/* Sort them by name. */
DrvInfoList drvs2;
for (DrvInfos::iterator i = drvs.begin(); i != drvs.end(); ++i)
drvs2.push_back(i->second);
sort(drvs2.begin(), drvs2.end(), cmpDrvByName);
/* Perform the specified query on the derivations. */
switch (query) {
case qName: {
for (DrvInfos::iterator i = drvs.begin(); i != drvs.end(); ++i)
cout << format("%1%\n") % i->second.name;
for (DrvInfoList::iterator i = drvs2.begin(); i != drvs2.end(); ++i)
cout << format("%1%\n") % i->name;
break;
}
case qDrvPath: {
for (DrvInfos::iterator i = drvs.begin(); i != drvs.end(); ++i)
cout << format("%1%\n") % i->second.drvPath;
for (DrvInfoList::iterator i = drvs2.begin(); i != drvs2.end(); ++i)
cout << format("%1%\n") % i->drvPath;
break;
}
@ -605,14 +618,14 @@ static void opQuery(Globals & globals,
i != installed.end(); ++i)
installedPaths.insert(i->second.outPath);
for (DrvInfos::iterator i = drvs.begin(); i != drvs.end(); ++i) {
Paths subs = querySubstitutes(i->second.drvPath);
for (DrvInfoList::iterator i = drvs2.begin(); i != drvs2.end(); ++i) {
Paths subs = querySubstitutes(i->drvPath);
cout << format("%1%%2%%3% %4%\n")
% (installedPaths.find(i->second.outPath)
% (installedPaths.find(i->outPath)
!= installedPaths.end() ? 'I' : '-')
% (isValidPath(i->second.outPath) ? 'P' : '-')
% (isValidPath(i->outPath) ? 'P' : '-')
% (subs.size() > 0 ? 'S' : '-')
% i->second.name;
% i->name;
}
break;
}