[pacman-dev] [PATCH 2/4] libalpm: resolvedep(): don't compare names twice

[Andrew Gregory]

On 09/08/19 at 10:45pm, morganamilo wrote:
> If we failed to get the pkg from pkgcache then we know no satisfying
> package exists by name. So only compare provides.
> ---
>  lib/libalpm/deps.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/lib/libalpm/deps.c b/lib/libalpm/deps.c
> index ce7869c3..322c4e7e 100644
> --- a/lib/libalpm/deps.c
> +++ b/lib/libalpm/deps.c
> @@ -698,7 +698,8 @@ static alpm_pkg_t *resolvedep(alpm_handle_t *handle, alpm_depend_t *dep,
>  		for(j = _alpm_db_get_pkgcache(db); j; j = j->next) {
>  			alpm_pkg_t *pkg = j->data;
>  			if((pkg->name_hash != dep->name_hash || strcmp(pkg->name, dep->name) != 0)

Unrelated to this patch, but we probably shouldn't be filtering out
name matches here.  A package could provide a different version of
itself.

> -					&& _alpm_depcmp(pkg, dep) && !alpm_pkg_find(excluding, pkg->name)) {
> +					&& _alpm_depcmp_provides(dep, alpm_pkg_get_provides(pkg))
> +					&& !alpm_pkg_find(excluding, pkg->name)) {
>  				if(alpm_pkg_should_ignore(handle, pkg)) {
>  					alpm_question_install_ignorepkg_t question = {
>  						.type = ALPM_QUESTION_INSTALL_IGNOREPKG,
> -- 
> 2.23.0