bugfix : https://bugs.redcorelinux.org/show_bug.cgi?id=156

1 files changed, 38 insertions, 4 deletions

diff --git a/src/backend/solverevdeps.py b/src/backend/solverevdeps.py
index 0400be9..12b4eb4 100644
--- a/src/backend/solverevdeps.py
+++ b/src/backend/solverevdeps.py
@@ -18,10 +18,33 @@ signal.signal(signal.SIGINT, sigint_handler)
 
 @animation.wait('resolving reverse dependencies')
 def start(pkgname=None, depclean=False, unmerge=False):
+    is_installed = int(1)
     is_needed = int(0)
+    is_vague = int(0)
 
     if unmerge:
-        pass  # behave like portage and ignore reverse dependencies
+        is_needed = int(0)
+        try:
+            p_exe = subprocess.Popen(['emerge', '--unmerge', '--quiet', '--pretend', '--verbose'] + list(
+                pkgname), stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+
+            stdout, stderr = p_exe.communicate()
+
+            for p_out in stderr.decode('utf-8').splitlines():
+                if any(key in p_out for key in ["Couldn't find",
+                                                "to depclean."]):
+                    is_installed = int(0)
+
+                if any(key in p_out for key in ["short ebuild name",
+                                                "is ambiguous"]):
+                    is_vague = int(1)
+        except KeyboardInterrupt:
+            p_exe.terminate()
+            try:
+                p_exe.wait(1)
+            except subprocess.TimeoutExpired:
+                p_exe.kill()
+            sys.exit()
     else:
         try:
             p_exe = subprocess.Popen(['emerge', '--depclean', '--quiet', '--pretend',
@@ -30,11 +53,19 @@ def start(pkgname=None, depclean=False, unmerge=False):
             stdout, stderr = p_exe.communicate()
 
             for p_out in stdout.decode('utf-8').splitlines():
-                if any(key in p_out for key in ["pulled in by:", "required"]):
+                if any(key in p_out for key in ["pulled in by:",
+                                                "required"]):
                     is_needed = int(1)
 
-            pickle.dump(is_needed, open(os.path.join(
-                sisyphus.getfs.p_mtd_dir, "sisyphus_pkgrevdeps.pickle"), "wb"))
+            for p_out in stderr.decode('utf-8').splitlines():
+                if any(key in p_out for key in ["Couldn't find",
+                                                "to depclean."]):
+                    is_installed = int(0)
+
+                if any(key in p_out for key in ["short ebuild name",
+                                                "is ambiguous"]):
+                    is_vague = int(1)
+
         except KeyboardInterrupt:
             p_exe.terminate()
             try:
@@ -42,3 +73,6 @@ def start(pkgname=None, depclean=False, unmerge=False):
             except subprocess.TimeoutExpired:
                 p_exe.kill()
             sys.exit()
+
+    pickle.dump([is_installed, is_needed, is_vague], open(os.path.join(
+        sisyphus.getfs.p_mtd_dir, "sisyphus_pkgrevdeps.pickle"), "wb"))