bin: only set signal handlers for main

Similar to d7d6fd54f1c936e89c5e4467c6c1f33b217325ca in portage.git.

Bug: https://bugs.gentoo.org/941956
Bug: https://bugs.gentoo.org/967199
Signed-off-by: Sam James <sam@gentoo.org>

Author: thesamesam

bin/eclean

@@ -25,11 +25,6 @@ try:
         signal.signal(signal.SIGTERM, signal.SIG_IGN)
         print()
         sys.exit(1)
-
-    signal.signal(signal.SIGINT, exithandler)
-    signal.signal(signal.SIGTERM, exithandler)
-    signal.signal(signal.SIGPIPE, signal.SIG_DFL)
-
 except KeyboardInterrupt:
     print()
     sys.exit(1)
@@ -38,6 +33,10 @@ except KeyboardInterrupt:
 from gentoolkit.eclean.cli import main
 
 if __name__ == "__main__":
+    signal.signal(signal.SIGINT, exithandler)
+    signal.signal(signal.SIGTERM, exithandler)
+    signal.signal(signal.SIGPIPE, signal.SIG_DFL)
+
     try:
         main()
     except KeyboardInterrupt:

bin/eclean-dist

@@ -26,10 +26,6 @@ try:
         print()
         sys.exit(1)
 
-    signal.signal(signal.SIGINT, exithandler)
-    signal.signal(signal.SIGTERM, exithandler)
-    signal.signal(signal.SIGPIPE, signal.SIG_DFL)
-
 except KeyboardInterrupt:
     print()
     sys.exit(1)
@@ -38,6 +34,10 @@ except KeyboardInterrupt:
 from gentoolkit.eclean.cli import main
 
 if __name__ == "__main__":
+    signal.signal(signal.SIGINT, exithandler)
+    signal.signal(signal.SIGTERM, exithandler)
+    signal.signal(signal.SIGPIPE, signal.SIG_DFL)
+
     try:
         main()
     except KeyboardInterrupt:

bin/eclean-pkg

@@ -26,10 +26,6 @@ try:
         print()
         sys.exit(1)
 
-    signal.signal(signal.SIGINT, exithandler)
-    signal.signal(signal.SIGTERM, exithandler)
-    signal.signal(signal.SIGPIPE, signal.SIG_DFL)
-
 except KeyboardInterrupt:
     print()
     sys.exit(1)
@@ -38,6 +34,10 @@ except KeyboardInterrupt:
 from gentoolkit.eclean.cli import main
 
 if __name__ == "__main__":
+    signal.signal(signal.SIGINT, exithandler)
+    signal.signal(signal.SIGTERM, exithandler)
+    signal.signal(signal.SIGPIPE, signal.SIG_DFL)
+
     try:
         main()
     except KeyboardInterrupt:

bin/ekeyword

@@ -23,17 +23,17 @@ try:
         print()
         sys.exit(1)
 
-    signal.signal(signal.SIGINT, exithandler)
-    signal.signal(signal.SIGTERM, exithandler)
-    signal.signal(signal.SIGPIPE, signal.SIG_DFL)
-
 except KeyboardInterrupt:
     print()
     sys.exit(1)
 
 from gentoolkit.ekeyword import ekeyword
 
 if __name__ == "__main__":
+    signal.signal(signal.SIGINT, exithandler)
+    signal.signal(signal.SIGTERM, exithandler)
+    signal.signal(signal.SIGPIPE, signal.SIG_DFL)
+
     try:
         ekeyword.main(sys.argv[1:])
     except KeyboardInterrupt:

bin/enalyze

@@ -21,17 +21,17 @@ try:
         print()
         sys.exit(1)
 
-    signal.signal(signal.SIGINT, exithandler)
-    signal.signal(signal.SIGTERM, exithandler)
-    signal.signal(signal.SIGPIPE, signal.SIG_DFL)
-
 except KeyboardInterrupt:
     print()
     sys.exit(1)
 
 from gentoolkit import enalyze, errors
 
 if __name__ == "__main__":
+    signal.signal(signal.SIGINT, exithandler)
+    signal.signal(signal.SIGTERM, exithandler)
+    signal.signal(signal.SIGPIPE, signal.SIG_DFL)
+
     try:
         enalyze.main()
     except errors.GentoolkitException as err:

bin/equery

@@ -20,10 +20,6 @@ try:
         print()
         sys.exit(1)
 
-    signal.signal(signal.SIGINT, exithandler)
-    signal.signal(signal.SIGTERM, exithandler)
-    signal.signal(signal.SIGPIPE, signal.SIG_DFL)
-
 except KeyboardInterrupt:
     print()
     sys.exit(1)
@@ -38,6 +34,10 @@ def formatwarning(message, category, filename, llineno, line=None):
 
 
 if __name__ == "__main__":
+    signal.signal(signal.SIGINT, exithandler)
+    signal.signal(signal.SIGTERM, exithandler)
+    signal.signal(signal.SIGPIPE, signal.SIG_DFL)
+
     if '--debug' not in sys.argv and not bool(os.getenv('DEBUG', False)):
         warnings.formatwarning = formatwarning
 

bin/imlate

@@ -23,17 +23,17 @@ try:
         print()
         sys.exit(1)
 
-    signal.signal(signal.SIGINT, exithandler)
-    signal.signal(signal.SIGTERM, exithandler)
-    signal.signal(signal.SIGPIPE, signal.SIG_DFL)
-
 except KeyboardInterrupt:
     print()
     sys.exit(1)
 
 from gentoolkit.imlate import imlate
 
 try:
+    signal.signal(signal.SIGINT, exithandler)
+    signal.signal(signal.SIGTERM, exithandler)
+    signal.signal(signal.SIGPIPE, signal.SIG_DFL)
+
     imlate.main()
 except KeyboardInterrupt:
     print("Aborted.")

bin/revdep-rebuild

@@ -20,11 +20,6 @@ try:
         print()
         sys.exit(1)
 
-    signal.signal(signal.SIGINT, exithandler)
-    signal.signal(signal.SIGTERM, exithandler)
-    signal.signal(signal.SIGPIPE, signal.SIG_DFL)
-
-
 except KeyboardInterrupt:
     print()
     sys.exit(1)
@@ -33,6 +28,10 @@ from gentoolkit import errors
 from gentoolkit.revdep_rebuild import rebuild
 
 if __name__ == "__main__":
+    signal.signal(signal.SIGINT, exithandler)
+    signal.signal(signal.SIGTERM, exithandler)
+    signal.signal(signal.SIGPIPE, signal.SIG_DFL)
+
     try:
         success = rebuild.main(rebuild.parse_options())
         sys.exit(success)