Keep track of explicitly added and removed packages

This allows us to sort the output list by showing all pulled
dependencies first, followed by the explicitly specified targets.

Signed-off-by: Dan McGee <dan@archlinux.org>

src/pacman/conf.c

@@ -68,6 +68,9 @@ int config_free(config_t *oldconfig)
 		return -1;
 	}
 
+	alpm_list_free(oldconfig->explicit_adds);
+	alpm_list_free(oldconfig->explicit_removes);
+
 	FREELIST(oldconfig->holdpkg);
 	FREELIST(oldconfig->syncfirst);
 	FREELIST(oldconfig->ignorepkg);
@@ -84,7 +87,6 @@ int config_free(config_t *oldconfig)
 	free(oldconfig->print_format);
 	free(oldconfig->arch);
 	free(oldconfig);
-	oldconfig = NULL;
 
 	return 0;
 }

src/pacman/conf.h

@@ -93,6 +93,9 @@ typedef struct __config_t {
 
 	/* our connection to libalpm */
 	alpm_handle_t *handle;
+
+	alpm_list_t *explicit_adds;
+	alpm_list_t *explicit_removes;
 } config_t;
 
 /* Operations */

src/pacman/remove.c

@@ -33,16 +33,17 @@
 
 static int remove_target(const char *target)
 {
-	alpm_pkg_t *info;
+	alpm_pkg_t *pkg;
 	alpm_db_t *db_local = alpm_option_get_localdb(config->handle);
 	alpm_list_t *p;
 
-	if((info = alpm_db_get_pkg(db_local, target)) != NULL) {
-		if(alpm_remove_pkg(config->handle, info) == -1) {
+	if((pkg = alpm_db_get_pkg(db_local, target)) != NULL) {
+		if(alpm_remove_pkg(config->handle, pkg) == -1) {
 			pm_fprintf(stderr, ALPM_LOG_ERROR, "'%s': %s\n", target,
 					alpm_strerror(alpm_errno(config->handle)));
 			return -1;
 		}
+		config->explicit_removes = alpm_list_add(config->explicit_removes, pkg);
 		return 0;
 	}
 
@@ -53,12 +54,13 @@ static int remove_target(const char *target)
 		return -1;
 	}
 	for(p = grp->packages; p; p = alpm_list_next(p)) {
-		alpm_pkg_t *pkg = alpm_list_getdata(p);
+		pkg = alpm_list_getdata(p);
 		if(alpm_remove_pkg(config->handle, pkg) == -1) {
 			pm_fprintf(stderr, ALPM_LOG_ERROR, "'%s': %s\n", target,
 					alpm_strerror(alpm_errno(config->handle)));
 			return -1;
 		}
+		config->explicit_removes = alpm_list_add(config->explicit_removes, pkg);
 	}
 	return 0;
 }

src/pacman/sync.c

@@ -612,6 +612,7 @@ static int process_pkg(alpm_pkg_t *pkg)
 			return 1;
 		}
 	}
+	config->explicit_adds = alpm_list_add(config->explicit_adds, pkg);
 	return 0;
 }
 

src/pacman/upgrade.c

@@ -89,6 +89,7 @@ int pacman_upgrade(alpm_list_t *targets)
 			trans_release();
 			return 1;
 		}
+		config->explicit_adds = alpm_list_add(config->explicit_adds, pkg);
 	}
 
 	/* now that targets are resolved, we can hand it all off to the sync code */

src/pacman/util.c

@@ -892,6 +892,10 @@ static int target_cmp(const void *p1, const void *p2)
 {
 	const pm_target_t *targ1 = p1;
 	const pm_target_t *targ2 = p2;
+	/* explicit are always sorted after implicit (e.g. deps, pulled targets) */
+	if(targ1->is_explicit != targ2->is_explicit) {
+		return targ1->is_explicit > targ2->is_explicit;
+	}
 	const char *name1 = targ1->install ?
 		alpm_pkg_get_name(targ1->install) : alpm_pkg_get_name(targ1->remove);
 	const char *name2 = targ2->install ?
@@ -899,6 +903,14 @@ static int target_cmp(const void *p1, const void *p2)
 	return strcmp(name1, name2);
 }
 
+static int pkg_cmp(const void *p1, const void *p2)
+{
+	/* explicit cast due to (un)necessary removal of const */
+	alpm_pkg_t *pkg1 = (alpm_pkg_t *)p1;
+	alpm_pkg_t *pkg2 = (alpm_pkg_t *)p2;
+	return strcmp(alpm_pkg_get_name(pkg1), alpm_pkg_get_name(pkg2));
+}
+
 void display_targets(void)
 {
 	alpm_list_t *i, *targets = NULL;
@@ -910,6 +922,9 @@ void display_targets(void)
 		if(!targ) return;
 		targ->install = pkg;
 		targ->remove = alpm_db_get_pkg(db_local, alpm_pkg_get_name(pkg));
+		if(alpm_list_find(config->explicit_adds, pkg, pkg_cmp)) {
+			targ->is_explicit = 1;
+		}
 		targets = alpm_list_add(targets, targ);
 	}
 	for(i = alpm_trans_get_remove(config->handle); i; i = alpm_list_next(i)) {
@@ -917,6 +932,9 @@ void display_targets(void)
 		pm_target_t *targ = calloc(1, sizeof(pm_target_t));
 		if(!targ) return;
 		targ->remove = pkg;
+		if(alpm_list_find(config->explicit_removes, pkg, pkg_cmp)) {
+			targ->is_explicit = 1;
+		}
 		targets = alpm_list_add(targets, targ);
 	}
 

src/pacman/util.h

@@ -42,6 +42,7 @@
 typedef struct _pm_target_t {
 	alpm_pkg_t *remove;
 	alpm_pkg_t *install;
+	int is_explicit;
 } pm_target_t;
 
 void trans_init_error(void);