cve-check: move update_symlinks to a library

Move the function to a library, it could be useful in other places.

Signed-off-by: Marta Rybczynska <marta.rybczynska@huawei.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit debd37abcdde8788761ebdb4a05bc61f7394cbb8)
Signed-off-by: Steve Sakoman <steve@sakoman.com>

2 files changed, 13 insertions, 8 deletions

diff --git a/meta/classes/cve-check.bbclass b/meta/classes/cve-check.bbclass
index 0111ec6ba8..2ab1720dc3 100644
--- a/meta/classes/cve-check.bbclass
+++ b/meta/classes/cve-check.bbclass
@@ -76,16 +76,10 @@ CVE_CHECK_LAYER_INCLUDELIST ??= ""
 # set to "alphabetical" for version using single alphabetical character as increment release
 CVE_VERSION_SUFFIX ??= ""
 
-def update_symlinks(target_path, link_path):
-    if link_path != target_path and os.path.exists(target_path):
-        if os.path.exists(os.path.realpath(link_path)):
-            os.remove(link_path)
-        os.symlink(os.path.basename(target_path), link_path)
-
 def generate_json_report(d, out_path, link_path):
     if os.path.exists(d.getVar("CVE_CHECK_SUMMARY_INDEX_PATH")):
         import json
-        from oe.cve_check import cve_check_merge_jsons
+        from oe.cve_check import cve_check_merge_jsons, update_symlinks
 
         bb.note("Generating JSON CVE summary")
         index_file = d.getVar("CVE_CHECK_SUMMARY_INDEX_PATH")
@@ -106,6 +100,7 @@ def generate_json_report(d, out_path, link_path):
 python cve_save_summary_handler () {
     import shutil
     import datetime
+    from oe.cve_check import update_symlinks
 
     cve_tmp_file = d.getVar("CVE_CHECK_TMP_FILE")
 
@@ -174,7 +169,7 @@ python cve_check_write_rootfs_manifest () {
     import shutil
     import json
     from oe.rootfs import image_list_installed_packages
-    from oe.cve_check import cve_check_merge_jsons
+    from oe.cve_check import cve_check_merge_jsons, update_symlinks
 
     if d.getVar("CVE_CHECK_COPY_FILES") == "1":
         deploy_file = d.getVar("CVE_CHECK_RECIPE_FILE")
diff --git a/meta/lib/oe/cve_check.py b/meta/lib/oe/cve_check.py
index 1d3c775bbe..b17390de90 100644
--- a/meta/lib/oe/cve_check.py
+++ b/meta/lib/oe/cve_check.py
@@ -79,3 +79,13 @@ def cve_check_merge_jsons(output, data):
             return
 
     output["package"].append(data["package"][0])
+
+def update_symlinks(target_path, link_path):
+    """
+    Update a symbolic link link_path to point to target_path.
+    Remove the link and recreate it if exist and is different.
+    """
+    if link_path != target_path and os.path.exists(target_path):
+        if os.path.exists(os.path.realpath(link_path)):
+            os.remove(link_path)
+        os.symlink(os.path.basename(target_path), link_path)