6baa2c4420
simplifies stuff. * The format of Nix expressions and the database schema changed because of this, so it's best to delete old Nix installations.
74 lines
1.7 KiB
C++
74 lines
1.7 KiB
C++
#include <iostream>
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#include <cctype>
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extern "C" {
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#include <aterm2.h>
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}
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#include "globals.hh"
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#include "shared.hh"
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#include "config.h"
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/* Initialize and reorder arguments, then call the actual argument
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processor. */
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static void initAndRun(int argc, char * * argv)
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{
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/* Setup Nix paths. */
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nixStore = NIX_STORE_DIR;
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nixDataDir = NIX_DATA_DIR;
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nixLogDir = NIX_LOG_DIR;
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nixDBPath = (string) NIX_STATE_DIR + "/db";
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/* Put the arguments in a vector. */
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Strings args;
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while (argc--) args.push_back(*argv++);
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args.erase(args.begin());
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/* Expand compound dash options (i.e., `-qlf' -> `-q -l -f'). */
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for (Strings::iterator it = args.begin();
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it != args.end(); )
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{
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string arg = *it;
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if (arg.length() > 2 && arg[0] == '-' && arg[1] != '-') {
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for (unsigned int i = 1; i < arg.length(); i++)
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if (isalpha(arg[i]))
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args.insert(it, (string) "-" + arg[i]);
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else {
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args.insert(it, string(arg, i));
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break;
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}
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it = args.erase(it);
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} else it++;
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}
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run(args);
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}
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int main(int argc, char * * argv)
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{
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/* ATerm setup. */
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ATerm bottomOfStack;
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ATinit(argc, argv, &bottomOfStack);
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try {
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initAndRun(argc, argv);
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} catch (UsageError & e) {
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msg(lvlError,
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format(
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"error: %1%\n"
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"Try `%2% --help' for more information.")
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% e.what() % programId);
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return 1;
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} catch (Error & e) {
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msg(lvlError, format("error: %1%") % e.msg());
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return 1;
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} catch (exception & e) {
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msg(lvlError, format("error: %1%") % e.what());
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return 1;
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}
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return 0;
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}
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