File libdnf-0.45.0-handle-all-rpmdb-variants.patch of Package libdnf

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File libdnf-0.45.0-handle-all-rpmdb-variants.patch of Package libdnf

From 9584c58876fb571f1d8817e51c4c275f033b3417 Mon Sep 17 00:00:00 2001
From: Neal Gompa <ngompa13@gmail.com>
Date: Wed, 18 Mar 2020 08:02:48 -0400
Subject: [PATCH] context, sack: Support all rpmdb path variants

We rely on identifying whether the rpmdb path has changed to
determine whether we need to re-cache data from there. Now
that RPM has multiple rpmdb options and there are two common
paths in use by RPM-based systems, we need to handle all of
these.
---
 libdnf/dnf-context.cpp | 23 ++++++++++++++++++++++-
 libdnf/dnf-sack.cpp    |  9 ++++++++-
 2 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/libdnf/dnf-context.cpp b/libdnf/dnf-context.cpp
index e69213ba..17c1d496 100644
--- a/libdnf/dnf-context.cpp
+++ b/libdnf/dnf-context.cpp
@@ -2094,6 +2094,15 @@ dnf_context_setup(DnfContext *context,
     g_autoptr(GString) buf = NULL;
     g_autofree char *rpmdb_path = NULL;
     g_autoptr(GFile) file_rpmdb = NULL;
+    const gchar *rpmdb_path_variants[] = { "var/lib/rpm/rpmdb.sqlite",
+                                           "usr/lib/sysimage/rpm/rpmdb.sqlite",
+                                           "var/lib/rpm/Packages.db",
+                                           "usr/lib/sysimage/rpm/Packages.db",
+                                           "var/lib/rpm/Packages",
+                                           "usr/lib/sysimage/rpm/Packages",
+                                           "var/lib/rpm/data.mdb",
+                                           "usr/lib/sysimage/rpm/data.mdb",
+                                           NULL };
 
     if (libdnf::getGlobalMainConfig().plugins().getValue() && !pluginsDir.empty()) {
         priv->plugins->loadPlugins(pluginsDir);
@@ -2177,9 +2186,21 @@ dnf_context_setup(DnfContext *context,
         !dnf_context_set_os_release(context, error))
         return FALSE;
 
+    /* identify correct rpmdb file */
+    for (i = 0; rpmdb_path_variants[i] != NULL; i++) {
+        rpmdb_path = g_build_filename(priv->install_root, rpmdb_path_variants[i], NULL);
+        if (g_file_test(rpmdb_path, G_FILE_TEST_EXISTS))
+            break;
+        rpmdb_path = NULL;
+    }
+
+    /* if we can't identify an rpmdb path for any reason, fallback to legacy value */
+    if (rpmdb_path == NULL) {
+        rpmdb_path = g_build_filename(priv->install_root, "var/lib/rpm/Packages", NULL);
+    }
+
     /* setup a file monitor on the rpmdb, if we're operating on the native / */
     if (g_strcmp0(priv->install_root, "/") == 0) {
-        rpmdb_path = g_build_filename(priv->install_root, "var/lib/rpm/Packages", NULL);
         file_rpmdb = g_file_new_for_path(rpmdb_path);
         priv->monitor_rpmdb = g_file_monitor_file(file_rpmdb,
                                G_FILE_MONITOR_NONE,
diff --git a/libdnf/dnf-sack.cpp b/libdnf/dnf-sack.cpp
index b281f590..0ecf4fc9 100644
--- a/libdnf/dnf-sack.cpp
+++ b/libdnf/dnf-sack.cpp
@@ -226,7 +226,14 @@ dnf_sack_new(void)
 static int
 current_rpmdb_checksum(Pool *pool, unsigned char csout[CHKSUM_BYTES])
 {
-    const char *rpmdb_prefix_paths[] = { "/var/lib/rpm/Packages",
+    const char *rpmdb_prefix_paths[] = { "/var/lib/rpm/rpmdb.sqlite",
+                                         "/usr/lib/sysimage/rpm/rpmdb.sqlite",
+                                         "/var/lib/rpm/Packages.db",
+                                         "/usr/lib/sysimage/rpm/Packages.db",
+                                         "/var/lib/rpm/Packages",
+                                         "/usr/lib/sysimage/rpm/Packages",
+                                         "/var/lib/rpm/data.mdb",
+                                         "/usr/lib/sysimage/rpm/data.mdb",
                                          "/usr/share/rpm/Packages" };
     unsigned int i;
     const char *fn;
-- 
2.25.0

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