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unzip: Add output directory option

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This allows setting the output directory for unzip by adding a new
optional argument
This commit is contained in:
TheGeopard 2021-04-25 15:35:18 +02:00 • committed by Linus Groh
parent 15cccdba7b
commit 6a4ea4bf55
1 changed files with 17 additions and 0 deletions
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17
Userland/Utilities/unzip.cpp
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@ -11,6 +11,7 @@
#include <LibCore/ArgsParser.h> #include <LibCore/ArgsParser.h>
#include <LibCore/File.h> #include <LibCore/File.h>
#include <sys/stat.h> #include <sys/stat.h>
#include <unistd.h>
static bool unpack_zip_member(Archive::ZipMember zip_member) static bool unpack_zip_member(Archive::ZipMember zip_member)
{ {
@ -71,9 +72,11 @@ int main(int argc, char** argv)
{ {
const char* path; const char* path;
int map_size_limit = 32 * MiB; int map_size_limit = 32 * MiB;
String output_directory_path;
Core::ArgsParser args_parser; Core::ArgsParser args_parser;
args_parser.add_option(map_size_limit, "Maximum chunk size to map", "map-size-limit", 0, "size"); args_parser.add_option(map_size_limit, "Maximum chunk size to map", "map-size-limit", 0, "size");
args_parser.add_option(output_directory_path, "Directory to receive the archive content", "output-directory", 'o', "path");
args_parser.add_positional_argument(path, "File to unzip", "path", Core::ArgsParser::Required::Yes); args_parser.add_positional_argument(path, "File to unzip", "path", Core::ArgsParser::Required::Yes);
args_parser.parse(argc, argv); args_parser.parse(argc, argv);
@ -111,6 +114,20 @@ int main(int argc, char** argv)
return 1; return 1;
} }
if (!output_directory_path.is_null()) {
rc = mkdir(output_directory_path.characters(), 0755);
if (rc < 0 && errno != EEXIST) {
perror("mkdir");
return 1;
}
rc = chdir(output_directory_path.characters());
if (rc < 0) {
perror("chdir");
return 1;
}
}
auto success = zip_file->for_each_member([&](auto zip_member) { auto success = zip_file->for_each_member([&](auto zip_member) {
return unpack_zip_member(zip_member) ? IterationDecision::Continue : IterationDecision::Break; return unpack_zip_member(zip_member) ? IterationDecision::Continue : IterationDecision::Break;
}); });