diff --git a/letsencrypt-auto-source/letsencrypt-auto b/letsencrypt-auto-source/letsencrypt-auto
index 743770f35..08390c0c4 100755
--- a/letsencrypt-auto-source/letsencrypt-auto
+++ b/letsencrypt-auto-source/letsencrypt-auto
@@ -756,6 +756,7 @@ except ImportError:
         from pip.util import url_to_path  # 0.7.0
     except ImportError:
         from pip.util import url_to_filename as url_to_path  # 0.6.2
+from pip.exceptions import InstallationError
 from pip.index import PackageFinder, Link
 try:
     from pip.log import logger
@@ -774,7 +775,7 @@ except ImportError:
 
     DownloadProgressBar = DownloadProgressSpinner = NullProgressBar
 
-__version__ = 3, 0, 0
+__version__ = 3, 1, 1
 
 try:
     from pip.index import FormatControl  # noqa
@@ -792,6 +793,7 @@ ITS_FINE_ITS_FINE = 0
 SOMETHING_WENT_WRONG = 1
 # "Traditional" for command-line errors according to optparse docs:
 COMMAND_LINE_ERROR = 2
+UNHANDLED_EXCEPTION = 3
 
 ARCHIVE_EXTENSIONS = ('.tar.bz2', '.tar.gz', '.tgz', '.tar', '.zip')
 
@@ -1554,7 +1556,7 @@ def peep_install(argv):
             first_every_last(buckets[SatisfiedReq], *printers)
 
         return ITS_FINE_ITS_FINE
-    except (UnsupportedRequirementError, DownloadError) as exc:
+    except (UnsupportedRequirementError, InstallationError, DownloadError) as exc:
         out(str(exc))
         return SOMETHING_WENT_WRONG
     finally:
@@ -1574,16 +1576,23 @@ def peep_port(paths):
         print('Please specify one or more requirements files so I have '
               'something to port.\n')
         return COMMAND_LINE_ERROR
+
+    comes_from = None
     for req in chain.from_iterable(
             _parse_requirements(path, package_finder(argv)) for path in paths):
+        req_path, req_line = path_and_line(req)
         hashes = [hexlify(urlsafe_b64decode((hash + '=').encode('ascii'))).decode('ascii')
-                  for hash in hashes_above(*path_and_line(req))]
+                  for hash in hashes_above(req_path, req_line)]
+        if req_path != comes_from:
+            print()
+            print('# from %s' % req_path)
+            print()
+            comes_from = req_path
+
         if not hashes:
             print(req.req)
-        elif len(hashes) == 1:
-            print('%s --hash=sha256:%s' % (req.req, hashes[0]))
         else:
-            print('%s' % req.req, end='')
+            print('%s' % (req.link if getattr(req, 'link', None) else req.req), end='')
             for hash in hashes:
                 print(' \\')
                 print('    --hash=sha256:%s' % hash, end='')
@@ -1628,7 +1637,7 @@ if __name__ == '__main__':
         exit(main())
     except Exception:
         exception_handler(*sys.exc_info())
-        exit(SOMETHING_WENT_WRONG)
+        exit(UNHANDLED_EXCEPTION)
 
 UNLIKELY_EOF
     # -------------------------------------------------------------------------
diff --git a/letsencrypt-auto-source/pieces/peep.py b/letsencrypt-auto-source/pieces/peep.py
index c4e51f483..eee823ff2 100755
--- a/letsencrypt-auto-source/pieces/peep.py
+++ b/letsencrypt-auto-source/pieces/peep.py
@@ -86,6 +86,7 @@ except ImportError:
         from pip.util import url_to_path  # 0.7.0
     except ImportError:
         from pip.util import url_to_filename as url_to_path  # 0.6.2
+from pip.exceptions import InstallationError
 from pip.index import PackageFinder, Link
 try:
     from pip.log import logger
@@ -104,7 +105,7 @@ except ImportError:
 
     DownloadProgressBar = DownloadProgressSpinner = NullProgressBar
 
-__version__ = 3, 0, 0
+__version__ = 3, 1, 1
 
 try:
     from pip.index import FormatControl  # noqa
@@ -122,6 +123,7 @@ ITS_FINE_ITS_FINE = 0
 SOMETHING_WENT_WRONG = 1
 # "Traditional" for command-line errors according to optparse docs:
 COMMAND_LINE_ERROR = 2
+UNHANDLED_EXCEPTION = 3
 
 ARCHIVE_EXTENSIONS = ('.tar.bz2', '.tar.gz', '.tgz', '.tar', '.zip')
 
@@ -884,7 +886,7 @@ def peep_install(argv):
             first_every_last(buckets[SatisfiedReq], *printers)
 
         return ITS_FINE_ITS_FINE
-    except (UnsupportedRequirementError, DownloadError) as exc:
+    except (UnsupportedRequirementError, InstallationError, DownloadError) as exc:
         out(str(exc))
         return SOMETHING_WENT_WRONG
     finally:
@@ -904,16 +906,23 @@ def peep_port(paths):
         print('Please specify one or more requirements files so I have '
               'something to port.\n')
         return COMMAND_LINE_ERROR
+
+    comes_from = None
     for req in chain.from_iterable(
             _parse_requirements(path, package_finder(argv)) for path in paths):
+        req_path, req_line = path_and_line(req)
         hashes = [hexlify(urlsafe_b64decode((hash + '=').encode('ascii'))).decode('ascii')
-                  for hash in hashes_above(*path_and_line(req))]
+                  for hash in hashes_above(req_path, req_line)]
+        if req_path != comes_from:
+            print()
+            print('# from %s' % req_path)
+            print()
+            comes_from = req_path
+
         if not hashes:
             print(req.req)
-        elif len(hashes) == 1:
-            print('%s --hash=sha256:%s' % (req.req, hashes[0]))
         else:
-            print('%s' % req.req, end='')
+            print('%s' % (req.link if getattr(req, 'link', None) else req.req), end='')
             for hash in hashes:
                 print(' \\')
                 print('    --hash=sha256:%s' % hash, end='')
@@ -958,4 +967,4 @@ if __name__ == '__main__':
         exit(main())
     except Exception:
         exception_handler(*sys.exc_info())
-        exit(SOMETHING_WENT_WRONG)
+        exit(UNHANDLED_EXCEPTION)