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tar: Implement -C option

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This allows specifying which directory to extract to or create
from.

I would have used the *at variants of the functions, but some
weren't implemented yet.
This commit is contained in:
circl 2022-01-02 21:42:25 +01:00 • committed by Brian Gianforcaro
parent 6124050187
commit 69c757e92f
Notes: sideshowbarker 2024-07-17 21:44:19 +09:00
1 changed files with 17 additions and 1 deletions

18
Userland/Utilities/tar.cpp
View file

@ -29,6 +29,7 @@ int main(int argc, char** argv)
bool verbose = false;
bool gzip = false;
const char* archive_file = nullptr;
const char* directory = nullptr;
Vector<const char*> paths;
Core::ArgsParser args_parser;
@ -36,7 +37,8 @@ int main(int argc, char** argv)
args_parser.add_option(extract, "Extract archive", "extract", 'x');
args_parser.add_option(list, "List contents", "list", 't');
args_parser.add_option(verbose, "Print paths", "verbose", 'v');
args_parser.add_option(gzip, "compress or uncompress file using gzip", "gzip", 'z');
args_parser.add_option(gzip, "Compress or decompress file using gzip", "gzip", 'z');
args_parser.add_option(directory, "Directory to extract to/create from", "directory", 'C', "DIRECTORY");
args_parser.add_option(archive_file, "Archive file", "file", 'f', "FILE");
args_parser.add_positional_argument(paths, "Paths", "PATHS", Core::ArgsParser::Required::No);
args_parser.parse(argc, argv);
@ -58,6 +60,13 @@ int main(int argc, char** argv)
file = maybe_file.value();
}
if (directory) {
if (chdir(directory) < 0) {
perror("chdir");
return 1;
}
}
Core::InputFileStream file_stream(file);
Compress::GzipDecompressor gzip_stream(file_stream);
@ -160,6 +169,13 @@ int main(int argc, char** argv)
file = maybe_file.value();
}
if (directory) {
if (chdir(directory) < 0) {
perror("chdir");
return 1;
}
}
Core::OutputFileStream file_stream(file);
Compress::GzipCompressor gzip_stream(file_stream);