From: Michael Schroeder <mls@suse.de>
Date: Thu, 15 Sep 2022 14:11:38 +0000 (+0200)
Subject: Implement getting the releasever from the base product on SUSE
X-Git-Tag: 0.7.23~48
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=de84237336b0214989010524c589f07371fc4f99;p=thirdparty%2Flibsolv.git

Implement getting the releasever from the base product on SUSE
---

diff --git a/examples/solv/repoinfo_config_yum.c b/examples/solv/repoinfo_config_yum.c
index efccf1e8..9a36f9b5 100644
--- a/examples/solv/repoinfo_config_yum.c
+++ b/examples/solv/repoinfo_config_yum.c
@@ -21,6 +21,37 @@
 # define REPOINFO_PATH "/etc/zypp/repos.d"
 #endif
 
+static char *
+find_releaseevr(Pool *pool)
+{
+#ifdef SUSE
+  extern char *suse_find_baseproduct_evr(Pool *);
+#endif
+  void *rpmstate;
+  char *releaseevr = 0;
+  Queue q;
+
+#ifdef SUSE
+  if ((releaseevr = suse_find_baseproduct_evr(pool)) != 0)
+    return releaseevr;
+#endif
+  queue_init(&q);
+  rpmstate = rpm_state_create(pool, pool_get_rootdir(pool));
+  rpm_installedrpmdbids(rpmstate, "Providename", "system-release", &q);
+  if (q.count)
+    {
+      void *handle;
+      char *p;
+      handle = rpm_byrpmdbid(rpmstate, q.elements[0]);
+      releaseevr = handle ? rpm_query(handle, SOLVABLE_EVR) : 0;
+      if (releaseevr && (p = strchr(releaseevr, '-')) != 0)
+	*p = 0;
+    }
+  rpm_state_free(rpmstate);
+  queue_free(&q);
+  return releaseevr;
+}
+
 char *
 yum_substitute(Pool *pool, char *line)
 {
@@ -43,28 +74,15 @@ yum_substitute(Pool *pool, char *line)
 	{
 	  if (!releaseevr)
 	    {
-	      void *rpmstate;
-	      Queue q;
-	
-	      queue_init(&q);
-	      rpmstate = rpm_state_create(pool, pool_get_rootdir(pool));
-	      rpm_installedrpmdbids(rpmstate, "Providename", "system-release", &q);
-	      if (q.count)
-		{
-		  void *handle;
-		  char *p;
-		  handle = rpm_byrpmdbid(rpmstate, q.elements[0]);
-		  releaseevr = handle ? rpm_query(handle, SOLVABLE_EVR) : 0;
-		  if (releaseevr && (p = strchr(releaseevr, '-')) != 0)
-		    *p = 0;
-		}
-	      rpm_state_free(rpmstate);
-	      queue_free(&q);
+	      releaseevr = find_releaseevr(pool);
 	      if (!releaseevr)
 		{
-		  fprintf(stderr, "no installed package provides 'system-release', cannot determine $releasever\n");
+		  fprintf(stderr, "Cannot determine $releasever\n");
 		  exit(1);
 		}
+	      /* we only need the version */
+	      if ((p = strchr(releaseevr, '-')) != 0)
+		*p = 0;
 	    }
 	  *p2 = 0;
 	  p = pool_tmpjoin(pool, line, releaseevr, p2 + 11);
diff --git a/examples/solv/repoinfo_system_rpm.c b/examples/solv/repoinfo_system_rpm.c
index b556afc5..b5cfd8a2 100644
--- a/examples/solv/repoinfo_system_rpm.c
+++ b/examples/solv/repoinfo_system_rpm.c
@@ -161,4 +161,29 @@ commit_transactionelement_rpm(Pool *pool, Id type, Id p, FILE *fp)
     }
 }
 
+#ifdef SUSE
+char *
+suse_find_baseproduct_evr(Pool *pool)
+{
+  char *evrstr = 0;
+  Pool *productspool = pool_create();
+  Repo *productsrepo = repo_create(productspool, "products");
+  Id p;
+  Solvable *s;
+
+  pool_set_rootdir(productspool, pool_get_rootdir(pool));
+  repo_add_products(productsrepo, PRODUCTS_PATH, REPO_USE_ROOTDIR);
+  FOR_REPO_SOLVABLES(productsrepo, p, s)
+    {
+      const char *type = solvable_lookup_str(s, PRODUCT_TYPE);
+      if (!type || strcmp(type, "base") != 0)
+	continue;
+      evrstr = solv_strdup(pool_id2str(productspool, s->evr));
+      break;
+    }
+  pool_free(productspool);
+  return evrstr;
+}
+#endif
+
 #endif