constchar* USAGE = "\n" "Usage: atree OPTIONS\n" "\n" "Options:\n" " -f FILELIST Specify one or more files containing the\n" " list of files to copy.\n" " -I INPUTDIR Specify one or more base directories in\n" " which to look for the files\n" " -o OUTPUTDIR Specify the directory to copy all of the\n" " output files to.\n" " -l Use hard links instead of copying the files.\n" " -m DEPENDENCY Output a make-formatted file containing the list.\n" " of files included. It sets the variable ATREE_FILES.\n" " -v VAR=VAL Replaces ${VAR} by VAL when reading input files.\n" " -d Verbose debug mode.\n" "\n" "FILELIST file format:\n" " The FILELIST files contain the list of files that will end up\n" " in the final OUTPUTDIR. Atree will look for files in the INPUTDIR\n" " directories in the order they are specified.\n" "\n" " In a FILELIST file, comment lines start with a #. Other lines\n" " are of the format:\n" "\n" " [rm|strip] DEST\n" " SRC [strip] DEST\n" " -SRCPATTERN\n" "\n" " DEST should be path relative to the output directory.\n" " 'rm DEST' removes the destination file and fails if it's missing.\n" " 'strip DEST' strips the binary destination file.\n" " If SRC is supplied, the file names can be different.\n" " SRCPATTERN is a pattern for the filenames.\n" "\n";
int usage()
{
fwrite(USAGE, strlen(USAGE), 1, stderr); return1;
}
staticbool
add_variable(constchar* arg) { constchar* p = arg; while (*p && *p != '=') p++;
if (*p == 0 || p == arg || p[1] == 0) { returnfalse;
}
staticvoid
debug_printf(constchar* format, ...)
{ if (g_debug) {
fflush(stderr);
va_list ap;
va_start(ap, format);
vprintf(format, ap);
va_end(ap);
fflush(stdout);
}
}
// Escape the filename so that it can be added to the makefile properly. static string
escape_filename(const string& name)
{
ostringstream new_name; for (string::const_iterator iter = name.begin(); iter != name.end(); ++iter)
{ switch (*iter)
{ case'$':
new_name << "$$"; break; default:
new_name << *iter; break;
}
} return new_name.str();
}
int
main(int argc, char* const* argv)
{ int err; bool done = false; while (!done) { int opt = getopt(argc, argv, "f:I:o:hlm:v:d"); switch (opt)
{ case -1:
done = true; break; case'f':
g_listFiles.push_back(string(optarg)); break; case'I':
g_inputBases.push_back(string(optarg)); break; case'o': if (g_outputBase.length() != 0) {
fprintf(stderr, "%s: -o may only be supplied once -- " "-o %s\n", argv[0], optarg); return usage();
}
g_outputBase = optarg; break; case'l':
g_useHardLinks = true; break; case'm': if (g_dependency.length() != 0) {
fprintf(stderr, "%s: -m may only be supplied once -- " "-m %s\n", argv[0], optarg); return usage();
}
g_dependency = optarg; break; case'v': if (!add_variable(optarg)) {
fprintf(stderr, "%s Invalid expression in '-v %s': " "expected format is '-v VAR=VALUE'.\n",
argv[0], optarg); return usage();
} break; case'd':
g_debug = true; break; default: case'?': case'h': return usage();
}
} if (optind != argc) {
fprintf(stderr, "%s: invalid argument -- %s\n", argv[0], argv[optind]); return usage();
}
if (g_listFiles.size() == 0) {
fprintf(stderr, "%s: At least one -f option must be supplied.\n",
argv[0]); return usage();
}
if (g_inputBases.size() == 0) {
fprintf(stderr, "%s: At least one -I option must be supplied.\n",
argv[0]); return usage();
}
if (g_outputBase.length() == 0) {
fprintf(stderr, "%s: -o option must be supplied.\n", argv[0]); return usage();
}
#if0 for (vector<string>::iterator it=g_listFiles.begin();
it!=g_listFiles.end(); it++) {
printf("-f \"%s\"\n", it->c_str());
} for (vector<string>::iterator it=g_inputBases.begin();
it!=g_inputBases.end(); it++) {
printf("-I \"%s\"\n", it->c_str());
}
printf("-o \"%s\"\n", g_outputBase.c_str()); if (g_useHardLinks) {
printf("-l\n");
} #endif
// look for input files
err = 0; for (vector<FileRecord>::iterator it=files.begin();
it!=files.end(); it++) {
err |= locate(&(*it), g_inputBases);
}
// expand the directories that we should copy into a list of files for (vector<FileRecord>::iterator it=files.begin();
it!=files.end(); it++) { if (it->sourceIsDir) {
err |= list_dir(*it, excludes, &more);
}
} for (vector<FileRecord>::iterator it=more.begin();
it!=more.end(); it++) {
files.push_back(*it);
}
// get the name and modtime of the output files for (vector<FileRecord>::iterator it=files.begin();
it!=files.end(); it++) {
stat_out(g_outputBase, &(*it));
}
if (err != 0) { return1;
}
// gather directories for (vector<FileRecord>::iterator it=files.begin();
it!=files.end(); it++) { if (it->sourceIsDir) {
directories.insert(it->outPath);
} else {
string s = dir_part(it->outPath); if (s != ".") {
directories.insert(s);
}
}
}
// gather files that should become directores // and directories that should become files for (vector<FileRecord>::iterator it=files.begin();
it!=files.end(); it++) { if (it->outMod != 0 && it->sourceIsDir != it->outIsDir) {
deleted.insert(it->outPath);
}
}
// remove all files or directories as requested from the input atree file. // must be done before create new directories. for (vector<FileRecord>::iterator it=files.begin();
it!=files.end(); it++) { if (!it->sourceIsDir) { if (it->fileOp == FILE_OP_REMOVE &&
deleted.count(it->outPath) == 0) {
debug_printf("remove %s\n", it->outPath.c_str());
err = remove_recursively(it->outPath); if (err != 0) { return err;
}
}
}
}
// make directories for (set<string>::iterator it=directories.begin();
it!=directories.end(); it++) {
debug_printf("mkdir %s\n", it->c_str());
err = mkdir_recursively(*it); if (err != 0) { return err;
}
}
// copy (or link) files that are newer or of different size for (vector<FileRecord>::iterator it=files.begin();
it!=files.end(); it++) { if (!it->sourceIsDir) { if (it->fileOp == FILE_OP_REMOVE) { continue;
}
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