cve-check: fix symlinks where link and output path are equal

An if statement now checks if the link and output path are
the same, if they are then the link is not created,
otherwise it is.

Signed-off-by: Davide Gardenal <davide.gardenal@huawei.com>
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
(cherry picked from commit 2f024c0236c4806f0e59e4ce51a42f6b80fdf1b3)
Signed-off-by: Steve Sakoman <steve@sakoman.com>

diff --git a/meta/classes/cve-check.bbclass b/meta/classes/cve-check.bbclass
index 350ed8ec39e95c58e2108019cb51e2891c41293b..ac9f0fb22c65812e5dae1b4a91eddcc2bb4eb247 100644 (file)
--- a/meta/classes/cve-check.bbclass
+++ b/meta/classes/cve-check.bbclass
@@ -117,10 +117,11 @@ python cve_save_summary_handler () {
 
         if cve_summary_file and os.path.exists(cve_summary_file):
             cvefile_link = os.path.join(cvelogpath, cve_summary_name)
-
-            if os.path.exists(os.path.realpath(cvefile_link)):
-                os.remove(cvefile_link)
-            os.symlink(os.path.basename(cve_summary_file), cvefile_link)
+            # if the paths are the same don't create the link
+            if cvefile_link != cve_summary_file:
+                if os.path.exists(os.path.realpath(cvefile_link)):
+                    os.remove(cvefile_link)
+                os.symlink(os.path.basename(cve_summary_file), cvefile_link)
 
         json_summary_link_name = os.path.join(cvelogpath, d.getVar("CVE_CHECK_SUMMARY_FILE_NAME_JSON"))
         json_summary_name = os.path.join(cvelogpath, "%s-%s.json" % (cve_summary_name, timestamp))
@@ -193,10 +194,12 @@ python cve_check_write_rootfs_manifest () {
 
         if manifest_name and os.path.exists(manifest_name):
             manifest_link = os.path.join(deploy_dir, "%s.cve" % link_name)
-            # If we already have another manifest, update symlinks
-            if os.path.exists(os.path.realpath(manifest_link)):
-                os.remove(manifest_link)
-            os.symlink(os.path.basename(manifest_name), manifest_link)
+            # if they are the same don't create the link
+            if manifest_link != manifest_name:
+                # If we already have another manifest, update symlinks
+                if os.path.exists(os.path.realpath(manifest_link)):
+                    os.remove(manifest_link)
+                os.symlink(os.path.basename(manifest_name), manifest_link)
             bb.plain("Image CVE report stored in: %s" % manifest_name)
 
         link_path = os.path.join(deploy_dir, "%s.json" % link_name)