From f90ba2a8b6f787e26cbc2cff1ac0bb088c91eee0 Mon Sep 17 00:00:00 2001
From: sid <sidtosh4@gmail.com>
Date: Sat, 24 Aug 2024 18:30:50 +0100
Subject: [PATCH] alpm: Support alpm 13 and 14

This should also help in running alpm job in debian CI (which
currently has alpm 13).
---
 backends/alpm/meson.build           | 24 +++++++++++++++---------
 backends/alpm/pk-alpm-config.c      |  2 ++
 backends/alpm/pk-alpm-transaction.c | 12 +++++++++---
 3 files changed, 26 insertions(+), 12 deletions(-)

diff --git a/backends/alpm/meson.build b/backends/alpm/meson.build
index 50301466a..1d82eec91 100644
--- a/backends/alpm/meson.build
+++ b/backends/alpm/meson.build
@@ -1,4 +1,17 @@
-alpm_dep = dependency('libalpm', version: '>=14.0.0')
+alpm_dep = dependency('libalpm', version: '>=13.0.0')
+
+c_args = [
+  '-DPK_LOG_PREFIX="PACKAGEKIT"',
+  '-DG_LOG_DOMAIN="PackageKit-alpm"',
+  '-DPK_BACKEND_CONFIG_FILE="@0@"'.format(join_paths(get_option('sysconfdir'), 'PackageKit', 'alpm.d', 'pacman.conf')),
+  '-DPK_BACKEND_GROUP_FILE="@0@"'.format(join_paths(get_option('sysconfdir'), 'PackageKit', 'alpm.d', 'groups.list')),
+  '-DPK_BACKEND_REPO_FILE="@0@"'.format(join_paths(get_option('sysconfdir'), 'PackageKit', 'alpm.d', 'repos.list')),
+  '-DPK_BACKEND_DEFAULT_PATH="/bin:/usr/bin:/sbin:/usr/sbin"',
+]
+
+if alpm_dep.version().version_compare('>=14.0.0')
+  c_args += '-DHAVE_LIBALPM_14=1'
+endif
 
 shared_module(
   'pk_backend_alpm',
@@ -31,14 +44,7 @@ shared_module(
     alpm_dep,
     gmodule_dep,
   ],
-  c_args: [
-    '-DPK_LOG_PREFIX="PACKAGEKIT"',
-    '-DG_LOG_DOMAIN="PackageKit-alpm"',
-    '-DPK_BACKEND_CONFIG_FILE="@0@"'.format(join_paths(get_option('sysconfdir'), 'PackageKit', 'alpm.d', 'pacman.conf')),
-    '-DPK_BACKEND_GROUP_FILE="@0@"'.format(join_paths(get_option('sysconfdir'), 'PackageKit', 'alpm.d', 'groups.list')),
-    '-DPK_BACKEND_REPO_FILE="@0@"'.format(join_paths(get_option('sysconfdir'), 'PackageKit', 'alpm.d', 'repos.list')),
-    '-DPK_BACKEND_DEFAULT_PATH="/bin:/usr/bin:/sbin:/usr/sbin"',
-  ],
+  c_args: c_args,
   install: true,
   install_dir: pk_plugin_dir,
 )
diff --git a/backends/alpm/pk-alpm-config.c b/backends/alpm/pk-alpm-config.c
index 3954a45fb..e18ad8174 100644
--- a/backends/alpm/pk-alpm-config.c
+++ b/backends/alpm/pk-alpm-config.c
@@ -615,10 +615,12 @@ pk_alpm_config_parse (PkAlpmConfig *config, const gchar *filename,
 			continue;
 		}
 
+#ifdef HAVE_LIBALPM_14
 		if (g_strcmp0 (key, "CacheServer") == 0 && str != NULL) {
 			/* Ignore "CacheServer" key instead of crashing */
 			continue;
 		}
+#endif
 
 		/* report errors from above */
 		g_set_error (&e, PK_ALPM_ERROR, PK_ALPM_ERR_CONFIG_INVALID,
diff --git a/backends/alpm/pk-alpm-transaction.c b/backends/alpm/pk-alpm-transaction.c
index bc1273375..96d305a63 100644
--- a/backends/alpm/pk-alpm-transaction.c
+++ b/backends/alpm/pk-alpm-transaction.c
@@ -864,9 +864,15 @@ pk_alpm_conflict_build_list (const alpm_list_t *i)
 	for (; i != NULL; i = i->next) {
 		alpm_conflict_t *conflict = (alpm_conflict_t *) i->data;
 		alpm_depend_t *depend = conflict->reason;
-
-		const char *package_name1 = alpm_pkg_get_name (conflict->package1);
-		const char *package_name2 = alpm_pkg_get_name (conflict->package2);
+		const char *package_name1, *package_name2;
+
+#ifdef HAVE_LIBALPM_14
+		package_name1 = alpm_pkg_get_name (conflict->package1);
+		package_name2 = alpm_pkg_get_name (conflict->package2);
+#else
+		package_name1 = conflict->package1;
+		package_name2 = conflict->package2;
+#endif
 
 		if (g_strcmp0 (package_name1, depend->name) == 0 ||
 		    g_strcmp0 (package_name2, depend->name) == 0) {