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main: implement --print-provides, but not actual Provides support. 

It turns out pkg-config's provides support is incomplete (only --print-provides is implemented),
so we are going to hold off on implementing support for Provides until 1.1.
feature/tap-sh
William Pitcock 2016-08-24 11:04:12 -05:00
parent 01921543bf
commit 4a1b88fcc4
1 changed files with 50 additions and 4 deletions
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54
main.c
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@ -250,6 +250,49 @@ print_requires_private(pkgconf_pkg_t *pkg)
}
}
static void
print_provides(pkgconf_pkg_t *pkg)
{
#ifdef NOTYET
pkgconf_node_t *node;
PKGCONF_FOREACH_LIST_ENTRY(pkg->provides.head, node)
{
pkgconf_dependency_t *dep = node->data;
printf("%s", dep->package);
if (dep->version != NULL)
printf(" %s %s", pkgconf_pkg_get_comparator(dep), dep->version);
printf("\n");
}
#endif
printf("%s = %s\n", pkg->id, pkg->version);
}
static bool
apply_provides(pkgconf_pkg_t *world, void *unused, int maxdepth, unsigned int flags)
{
pkgconf_node_t *iter;
(void) unused;
(void) maxdepth;
PKGCONF_FOREACH_LIST_ENTRY(world->requires.head, iter)
{
pkgconf_pkg_t *pkg;
pkgconf_dependency_t *dep = iter->data;
pkg = pkgconf_pkg_verify_dependency(dep, flags, NULL);
print_provides(pkg);
pkgconf_pkg_free(pkg);
}
return true;
}
static void
print_digraph_node(pkgconf_pkg_t *pkg, void *unused, unsigned int flags)
{
@ -937,10 +980,13 @@ main(int argc, char *argv[])
if ((want_flags & PKG_PROVIDES) == PKG_PROVIDES)
{
fprintf(stderr, "pkgconf: warning: --print-provides requested which is intentionally unimplemented, along with\n");
fprintf(stderr, " the rest of the Provides system. The Provides system is broken by design and requires loading every\n");
fprintf(stderr, " package module to calculate the dependency graph. In practice, there are no consumers of this system\n");
fprintf(stderr, " so it will remain unimplemented until such time that something actually uses it.\n");
want_flags &= ~(PKG_CFLAGS|PKG_LIBS);
if (!pkgconf_queue_apply(&pkgq, apply_provides, maximum_traverse_depth, global_traverse_flags, NULL))
{
ret = EXIT_FAILURE;
goto out;
}
}
if ((want_flags & PKG_DIGRAPH) == PKG_DIGRAPH)