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* Autoconf / Automake configuration and building.

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This commit is contained in:
Eelco Dolstra 2003-04-04 16:14:56 +00:00
parent ab723e341a
commit 136c00e881
15 changed files with 639 additions and 1470 deletions
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61
src/nix.cc
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@ -24,53 +24,25 @@ extern "C" {
#include "md5.h"
}
#include "util.hh"
using namespace std;
#define PKGINFO_ENVVAR "NIX_DB"
#define PKGINFO_PATH "/pkg/sys/var/pkginfo"
#define PKGHOME_ENVVAR "NIX_PKGHOME"
/* Database names. */
static string dbRefs = "refs";
static string dbInstPkgs = "pkginst";
static string dbPrebuilts = "prebuilts";
static string prog;
static string dbfile = PKGINFO_PATH;
static string pkgHome = "/pkg";
/* The canonical system name, as returned by config.guess. */
static string thisSystem = SYSTEM;
class Error : public exception
{
string err;
public:
Error(string _err) { err = _err; }
~Error() throw () { };
const char * what() const throw () { return err.c_str(); }
};
class UsageError : public Error
{
public:
UsageError(string _err) : Error(_err) { };
};
class BadRefError : public Error
{
public:
BadRefError(string _err) : Error(_err) { };
};
typedef vector<string> Strings;
/* The prefix of the Nix installation, and the environment variable
that can be used to override the default. */
static string nixHomeDir = "/nix";
static string nixHomeDirEnvVar = "NIX";
/* Wrapper classes that ensures that the database is closed upon
@ -98,7 +70,7 @@ auto_ptr<Db2> openDB(const string & dbname, bool readonly)
db = auto_ptr<Db2>(new Db2(0, 0));
db->open(dbfile.c_str(), dbname.c_str(),
db->open((nixHomeDir + "/var/nix/pkginfo.db").c_str(), dbname.c_str(),
DB_HASH, readonly ? DB_RDONLY : DB_CREATE, 0666);
return db;
@ -336,7 +308,7 @@ void installPkg(string hash)
string id = getFromEnv(env, "id");
/* Construct a path for the installed package. */
path = pkgHome + "/" + id + "-" + hash;
path = nixHomeDir + "/pkg/" + id + "-" + hash;
/* Create the path. */
if (mkdir(path.c_str(), 0777))
@ -767,11 +739,8 @@ void run(Strings::iterator argCur, Strings::iterator argEnd)
{
umask(0022);
if (getenv(PKGINFO_ENVVAR))
dbfile = getenv(PKGINFO_ENVVAR);
if (getenv(PKGHOME_ENVVAR))
pkgHome = getenv(PKGHOME_ENVVAR);
char * homeDir = getenv(nixHomeDirEnvVar.c_str());
if (homeDir) nixHomeDir = homeDir;
/* Parse the global flags. */
for ( ; argCur != argEnd; argCur++) {
@ -779,8 +748,6 @@ void run(Strings::iterator argCur, Strings::iterator argEnd)
if (arg == "-h" || arg == "--help") {
printUsage();
return;
} else if (arg == "-d") {
dbfile = optarg;
} else if (arg[0] == '-') {
throw UsageError("invalid option `" + arg + "'");
} else break;
@ -848,9 +815,9 @@ int main(int argc, char * * argv)
while (argc--) args.push_back(*argv++);
Strings::iterator argCur = args.begin(), argEnd = args.end();
prog = *argCur++;
argCur++;
try {
try {
try {
run(argCur, argEnd);
} catch (DbException e) {