diff options
Diffstat (limited to 'bpkg/system-package-manager.hxx')
| -rw-r--r-- | bpkg/system-package-manager.hxx | 73 |
1 files changed, 69 insertions, 4 deletions
diff --git a/bpkg/system-package-manager.hxx b/bpkg/system-package-manager.hxx index 122b181..4f01d1d 100644 --- a/bpkg/system-package-manager.hxx +++ b/bpkg/system-package-manager.hxx @@ -4,12 +4,14 @@ #ifndef BPKG_SYSTEM_PACKAGE_MANAGER_HXX #define BPKG_SYSTEM_PACKAGE_MANAGER_HXX -//#include <libbpkg/manifest.hxx> // version -//#include <libbpkg/package-name.hxx> +#include <libbpkg/manifest.hxx> // version +#include <libbpkg/package-name.hxx> #include <bpkg/types.hxx> #include <bpkg/utility.hxx> +#include <bpkg/host-os-release.hxx> + namespace bpkg { // The system package manager interface. Used by both pkg-build (to query @@ -18,17 +20,80 @@ namespace bpkg class system_package_manager { public: + struct package_status + { + bpkg::version version; + + // The system package can be either "available already installed" + // or "available not yet installed". + // + // If the package is partially installed (for example, libfoo but not + // libfoo-dev is installed), then installed should be false (and perhaps + // only a single available version should be returned). + // + bool installed; + + string system_name; + string system_version; + }; + + // @@ We actually need to fetch is some are not installed to get their + // versions. We can do it as part of the call, no? + + public: virtual ~system_package_manager (); + + explicit + system_package_manager (os_release&& osr) + : os_release_ (osr) {} + + protected: + // Given the available packages (as returned by find_available_all()) + // return the list of system package names. + // + // The name_id, version_id, and like_id are the values from the os_release + // struct (refer there for background). If version_id is empty, then it's + // treated as "0". + // + // First consider <distribution>-name values corresponding to name_id. + // Assume <distribution> has the <name>[_<version>] form, where <version> + // is a semver-like version (e.g, 10, 10.15, or 10.15.1) and return all + // the values that are equal of less than the specified version_id + // (include the value with the absent <version>). In a sense, absent + // <version> can be treated as 0 semver-like versions. + // + // If no value is found and like_id is not empty, then repeat the above + // process for like_id instead of name_id and version_id equal 0. + // + // If still no value is found, then return empty list (in which case the + // caller may choose to fallback to the downstream package name or do + // something more elaborate, like translate version_id to the like_id's + // version and try that). + // + static vector<string> + system_package_names (/*const available_packages&,*/ + const string& name_id, + const string& version_id, + const string& like_id); + + protected: + os_release os_release_; }; // Create a package manager instance corresponding to the specified host - // target and optional manager type. If type is empty, return NULL if there + // target and optional manager name. If name is empty, return NULL if there // is no support for this platform. // + // @@ TODO: need to assign names. Ideas: + // + // dpkg-apt, rpm-dnf + // deb, rpm + // debian, fedora (i.e., follow /etc/os-release ID_LIKE lead) + // unique_ptr<system_package_manager> make_system_package_manager (const target_triplet&, - const string& type); + const string& name); } #endif // BPKG_SYSTEM_PACKAGE_MANAGER_HXX |