upac.h

#ifndef UPAC_H
#define UPAC_H

#include "config.h"
#include <stdio.h>

typedef struct {
    char name[256];
    char op[4];
    char version[64];
} Dependency;

typedef struct {
    char name[256];
    char version[64];
    int revision;
    Dependency depends[16];
    int dep_count;
    char url[512];
    char build_script[4096];
} Package;

typedef struct {
    char name[256];
    char version[64];
    int revision;
    char install_path[512];
} InstalledPackage;

#define MAX_TX_NODES 256
typedef struct {
    char name[256];
    char path[512];
    int dep_indices[16];
    int dep_count;
    int visited;
    int in_stack;
} TxNode;

int upac_install_repo(const char *pkg_path);
int upac_install_local(const char *pkg_name);
int upac_remove(const char *pkg_name);
int upac_search_repo(const char *query);
int upac_search_local(const char *query);
int upac_list(void);
int upac_update_db(void);
int upac_update(const char *pkg_name);

Package *upac_parse_build_file(const char *path);
void upac_free_package(Package *pkg);
Package *upac_load_repo_package(const char *pkg_path);

int upac_db_init(void);
int upac_db_add(const InstalledPackage *pkg);
int upac_db_remove(const char *name);
int upac_db_find(const char *name, InstalledPackage *result);
int upac_db_list_all(InstalledPackage **list, int *count);
int upac_db_save(void);
int upac_lock_db(void);
void upac_unlock_db(int fd);

int upac_fetch_source(Package *pkg, const char *dest_dir);
int upac_build_package(Package *pkg, const char *build_dir);
int upac_install_single_package(Package *pkg, const char *install_dir);
int upac_install_package(Package *pkg, const char *install_dir);

int mkdir_p(const char *path);
int upac_copy_tree(const char *src, const char *dst, FILE *file_list);

int compare_versions(const char *v1, const char *v2);
int version_satisfies(const char *installed, const char *required, const char *op);
const char *upac_find_file_owner(const char *filepath);
int is_valid_pkg_name(const char *name);

#endif