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https://github.com/moparisthebest/pacman
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Notify of removed package required as optdepend
When a package is being removed, provide a notification (via a callback) if any local package requires it as an optdepend. Signed-off-by: Allan McRae <allan@archlinux.org>
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@ -348,7 +348,10 @@ typedef enum _alpm_event_t {
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/** Disk space usage will be computed for a package */
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ALPM_EVENT_DISKSPACE_START,
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/** Disk space usage was computed for a package */
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ALPM_EVENT_DISKSPACE_DONE
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ALPM_EVENT_DISKSPACE_DONE,
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/** An optdepend for another package is being removed
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* The requiring package and its dependency are passed to the callback */
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ALPM_EVENT_OPTDEP_REQUIRED
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} alpm_event_t;
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/** Event callback */
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@ -157,6 +157,32 @@ static void remove_prepare_keep_needed(alpm_handle_t *handle, alpm_list_t *lp)
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}
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}
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/**
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* @brief Send a callback for any optdepend being removed.
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*
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* @param handle the context handle
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* @param lp list of packages to be removed
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*/
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static void remove_notify_needed_optdepends(alpm_handle_t *handle, alpm_list_t *lp)
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{
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alpm_list_t *i;
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for(i = _alpm_db_get_pkgcache(handle->db_local); i; i = alpm_list_next(i)) {
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alpm_pkg_t *pkg = i->data;
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alpm_list_t *optdeps = alpm_pkg_get_optdepends(pkg);
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if(optdeps && !_alpm_pkg_find(lp, pkg->name)) {
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alpm_list_t *j;
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for(j = optdeps; j; j = alpm_list_next(j)) {
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alpm_depend_t *optdep = j->data;
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if(_alpm_pkg_find(lp, optdep->name)) {
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EVENT(handle, ALPM_EVENT_OPTDEP_REQUIRED, pkg, optdep);
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}
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}
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}
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}
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}
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/**
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* @brief Transaction preparation for remove actions.
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*
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@ -228,6 +254,9 @@ int _alpm_remove_prepare(alpm_handle_t *handle, alpm_list_t **data)
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}
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}
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/* Note packages being removed that are optdepends for installed packages */
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remove_notify_needed_optdepends(handle, trans->remove);
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if(!(trans->flags & ALPM_TRANS_FLAG_NODEPS)) {
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EVENT(handle, ALPM_EVENT_CHECKDEPS_DONE, NULL, NULL);
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}
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@ -239,6 +239,10 @@ void cb_event(alpm_event_t event, void *data1, void *data2)
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printf(_("checking available disk space...\n"));
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}
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break;
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case ALPM_EVENT_OPTDEP_REQUIRED:
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printf(_(":: %s optionally requires %s\n"), alpm_pkg_get_name(data1),
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alpm_dep_compute_string(data2));
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break;
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/* all the simple done events, with fallthrough for each */
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case ALPM_EVENT_FILECONFLICTS_DONE:
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case ALPM_EVENT_CHECKDEPS_DONE:
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