git-revision.ulp

string cmd, s, version;
int count = 0;
string git_dir       = argv[ 1 ];
string stdout        = "debug.log";
string revision_file = "git-revision.log";

string GitRevision () {
    if ( version ) {
        return version;
    }

    string git_cmd = "git --git-dir=";
    git_cmd        += git_dir;
    git_cmd        += " rev-parse --short HEAD > ";
    git_cmd        += revision_file;

    int result = system( git_cmd );
    if ( result ) {
        dlgMessageBox( "git rev-parse failed" );
        exit( -1 );
    }
    fileread( version, revision_file );

    return version;
}

if ( ! git_dir ) {
    dlgMessageBox( "provide .git directory as an argument", "OK" );
    exit( -1 );
}

output( stdout, "wt" ) {
    if (schematic) {
        schematic(S) {
            S.parts( P) {
                if ( P.device && P.device.name && ! strstr(P.device.name, "GIT-REVISION") ) {
                    sprintf( s, "VALUE %s %s\n", P.name, GitRevision() );
                    cmd += s;
                    count ++;
                }
            }
        }
    }
}

if ( ! count ) {
    dlgMessageBox( "device named \"GIT-REVISION\" not found", "OK" );
    exit( -1 );
}
exit( cmd );