commit f7f3177619e022e3657bd9255c544a75da3f0e1c
Author: Richard Hughes <richard@hughsie.com>
Date:   Fri Aug 29 09:41:00 2008 +0100

    bugfix: check the install_files() input to see if it exists before we try to process it. Fixes fd#17350

diff --git a/backends/yum/helpers/yumBackend.py b/backends/yum/helpers/yumBackend.py
index 3a3f4c0..0ec2dfe 100644
--- a/backends/yum/helpers/yumBackend.py
+++ b/backends/yum/helpers/yumBackend.py
@@ -866,6 +866,12 @@ class PackageKitYumBackend(PackageKitBaseBackend):
         self.percentage(0)
         self.status(STATUS_RUNNING)
 
+        # check that the files still exist
+        for inst_file in inst_files:
+            if not os.path.exists(inst_file):
+                self.error(ERROR_FILE_NOT_FOUND,'%s could not be found' % inst_file)
+                return
+
         # process these first
         tempdir = tempfile.mkdtemp()
         inst_packs = []
@@ -893,7 +899,7 @@ class PackageKitYumBackend(PackageKitBaseBackend):
 
         to_remove = []
                     
-        # remove files of packages that alrady exist
+        # remove files of packages that already exist
         for inst_file in inst_files:
             try:
                 pkg = YumLocalPackage(ts=self.yumbase.rpmdb.readOnlyTS(), filename=inst_file)
diff --git a/docs/api/spec/pk-concepts.xml b/docs/api/spec/pk-concepts.xml
index 3a12bce..9c44d61 100644
--- a/docs/api/spec/pk-concepts.xml
+++ b/docs/api/spec/pk-concepts.xml
@@ -511,7 +511,12 @@
 	      The downloaded package is corrupt.
             </entry>
           </row>
-
+          <row>
+            <entry><literal>file-not-found</literal></entry>
+            <entry>
+	      The file could not be found on the system.
+            </entry>
+          </row>
         </tbody>
       </tgroup>
     </informaltable>
diff --git a/libpackagekit/pk-enum.c b/libpackagekit/pk-enum.c
index d3909d0..e2a8fea 100644
--- a/libpackagekit/pk-enum.c
+++ b/libpackagekit/pk-enum.c
@@ -159,6 +159,7 @@ static PkEnumMatch enum_error[] = {
 	{PK_ERROR_ENUM_PACKAGE_INSTALL_BLOCKED, "package-install-blocked"},
 	{PK_ERROR_ENUM_PACKAGE_CORRUPT,         "package-corrupt"},
 	{PK_ERROR_ENUM_ALL_PACKAGES_ALREADY_INSTALLED, "all-packages-already-installed"},
+	{PK_ERROR_ENUM_FILE_NOT_FOUND,		"file-not-found"},
 	{0, NULL}
 };
 
diff --git a/libpackagekit/pk-enum.h b/libpackagekit/pk-enum.h
index 5628218..05ffee8 100644
--- a/libpackagekit/pk-enum.h
+++ b/libpackagekit/pk-enum.h
@@ -265,6 +265,7 @@ typedef enum {
 	PK_ERROR_ENUM_PACKAGE_INSTALL_BLOCKED,
 	PK_ERROR_ENUM_PACKAGE_CORRUPT,
 	PK_ERROR_ENUM_ALL_PACKAGES_ALREADY_INSTALLED,
+	PK_ERROR_ENUM_FILE_NOT_FOUND,
 	PK_ERROR_ENUM_UNKNOWN
 } PkErrorCodeEnum;