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* Uninstall command (doesn't work yet).

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This commit is contained in:
Eelco Dolstra 2003-11-20 13:48:48 +00:00
parent e0b5a492f5
commit 2e9042bd1e
1 changed files with 81 additions and 36 deletions
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117
src/nix-env/main.cc
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@ -66,7 +66,7 @@ bool parseDerivations(EvalState & state, Expr e, DrvInfos & drvs)
else if (atMatch(m, e) >> "List" >> es) {
for (ATermIterator i(es); i; ++i) {
DrvInfo drv;
debug(format("evaluating list element") % *i);
debug(format("evaluating list element"));
if (parseDerivation(state, *i, drv))
drvs[drv.drvPath] = drv;
}
@ -154,46 +154,15 @@ void switchLink(Path link, Path target)
}
void installDerivations(EvalState & state,
Path nePath, Strings drvNames)
void createUserEnv(EvalState & state, const DrvInfos & drvs)
{
debug(format("installing derivations from `%1%'") % nePath);
/* Fetch all derivations from the input file. */
DrvInfos availDrvs;
loadDerivations(state, nePath, availDrvs);
typedef map<string, Path> NameMap;
NameMap nameMap;
for (DrvInfos::iterator i = availDrvs.begin();
i != availDrvs.end(); ++i)
nameMap[i->second.name] = i->first;
/* Filter out the ones we're not interested in. */
DrvInfos selectedDrvs;
for (Strings::iterator i = drvNames.begin();
i != drvNames.end(); ++i)
{
NameMap::iterator j = nameMap.find(*i);
if (j == nameMap.end())
throw Error(format("unknown derivation `%1%'") % *i);
else
selectedDrvs[j->second] = availDrvs[j->second];
}
/* Add in the already installed derivations. */
DrvInfos installedDrvs;
queryInstalled(state, installedDrvs);
selectedDrvs.insert(installedDrvs.begin(), installedDrvs.end());
/* Get the environment builder expression. */
Expr envBuilder = parseExprFromFile("/home/eelco/nix/corepkgs/buildenv"); /* !!! */
/* Construct the whole top level derivation. */
ATermList inputs = ATempty;
for (DrvInfos::iterator i = selectedDrvs.begin();
i != selectedDrvs.end(); ++i)
for (DrvInfos::const_iterator i = drvs.begin();
i != drvs.end(); ++i)
{
ATerm t = ATmake(
"Attrs(["
@ -240,6 +209,50 @@ void installDerivations(EvalState & state,
}
typedef map<string, Path> NameMap;
NameMap mapByNames(DrvInfos & drvs)
{
NameMap nameMap;
for (DrvInfos::iterator i = drvs.begin(); i != drvs.end(); ++i)
nameMap[i->second.name] = i->first;
return nameMap;
}
void installDerivations(EvalState & state,
Path nePath, Strings drvNames)
{
debug(format("installing derivations from `%1%'") % nePath);
/* Fetch all derivations from the input file. */
DrvInfos availDrvs;
loadDerivations(state, nePath, availDrvs);
NameMap nameMap = mapByNames(availDrvs);
/* Filter out the ones we're not interested in. */
DrvInfos selectedDrvs;
for (Strings::iterator i = drvNames.begin();
i != drvNames.end(); ++i)
{
NameMap::iterator j = nameMap.find(*i);
if (j == nameMap.end())
throw Error(format("unknown derivation `%1%'") % *i);
else
selectedDrvs[j->second] = availDrvs[j->second];
}
/* Add in the already installed derivations. */
DrvInfos installedDrvs;
queryInstalled(state, installedDrvs);
selectedDrvs.insert(installedDrvs.begin(), installedDrvs.end());
createUserEnv(state, selectedDrvs);
}
static void opInstall(EvalState & state,
Strings opFlags, Strings opArgs)
{
@ -253,6 +266,36 @@ static void opInstall(EvalState & state,
}
void uninstallDerivations(EvalState & state, Strings drvNames)
{
DrvInfos installedDrvs;
queryInstalled(state, installedDrvs);
NameMap nameMap = mapByNames(installedDrvs);
for (Strings::iterator i = drvNames.begin();
i != drvNames.end(); ++i)
{
NameMap::iterator j = nameMap.find(*i);
if (j == nameMap.end())
throw Error(format("unknown derivation `%1%'") % *i);
else
installedDrvs.erase(j->first);
}
createUserEnv(state, installedDrvs);
#if 0
#endif
}
static void opUninstall(EvalState & state,
Strings opFlags, Strings opArgs)
{
uninstallDerivations(state, opArgs);
}
static void opQuery(EvalState & state,
Strings opFlags, Strings opArgs)
{
@ -336,7 +379,9 @@ void run(Strings args)
if (arg == "--install" || arg == "-i")
op = opInstall;
if (arg == "--query" || arg == "-q")
else if (arg == "--uninstall" || arg == "-u")
op = opUninstall;
else if (arg == "--query" || arg == "-q")
op = opQuery;
else if (arg == "--verbose" || arg == "-v")
verbosity = (Verbosity) ((int) verbosity + 1);