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* Option --argstr for passing string arguments easily. (NIX-75)

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This commit is contained in:
Eelco Dolstra 2007-01-14 12:32:44 +00:00
parent 4e329f173f
commit e418976107
11 changed files with 88 additions and 28 deletions
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23
src/nix-env/nix-env.cc
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@ -10,6 +10,7 @@
#include "get-drvs.hh"
#include "attr-path.hh"
#include "pathlocks.hh"
#include "common-opts.hh"
#include "xml-writer.hh"
#include "store-api.hh"
#include "db.hh"
@ -45,7 +46,7 @@ struct InstallSourceInfo
Path profile; /* for srcProfile */
string systemFilter; /* for srcNixExprDrvs */
ATermMap autoArgs;
InstallSourceInfo() : autoArgs(128) { };
InstallSourceInfo() : autoArgs() { };
};
@ -1122,10 +1123,9 @@ static void opDefaultExpr(Globals & globals,
static string needArg(Strings::iterator & i,
Strings & args, const string & arg)
{
++i;
if (i == args.end()) throw UsageError(
format("`%1%' requires an argument") % arg);
return *i;
return *i++;
}
@ -1146,8 +1146,8 @@ void run(Strings args)
globals.keepDerivations =
queryBoolSetting("env-keep-derivations", false);
for (Strings::iterator i = args.begin(); i != args.end(); ++i) {
string arg = *i;
for (Strings::iterator i = args.begin(); i != args.end(); ) {
string arg = *i++;
Operation oldOp = op;
@ -1161,16 +1161,9 @@ void run(Strings args)
}
else if (arg == "--attr" || arg == "-A")
globals.instSource.type = srcAttrPath;
else if (arg == "--arg") { /* !!! code duplication from nix-instantiate */
i++;
if (i == args.end())
throw UsageError("`--arg' requires two arguments");
string name = *i++;
if (i == args.end())
throw UsageError("`--arg' requires two arguments");
Expr value = parseExprFromString(globals.state, *i, absPath("."));
globals.instSource.autoArgs.set(toATerm(name), value);
}
else if (parseOptionArg(arg, i, args.end(),
globals.state, globals.instSource.autoArgs))
;
else if (arg == "--force-name") // undocumented flag for nix-install-package
globals.forceName = needArg(i, args, arg);
else if (arg == "--uninstall" || arg == "-e")