Blame SOURCES/BZ-1335587-needs-restarting-add-services-opt.patch

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diff -up yum-utils-1.1.31/docs/needs-restarting.1.orig yum-utils-1.1.31/docs/needs-restarting.1
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--- yum-utils-1.1.31/docs/needs-restarting.1.orig	2016-08-04 12:22:33.765295008 +0200
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+++ yum-utils-1.1.31/docs/needs-restarting.1	2016-08-04 12:24:52.076356702 +0200
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@@ -16,6 +16,8 @@ Display a help message, and then quit.
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 Show processes for my userid only.
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 .IP "\fB\-r, \-\-reboothint\fP"
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 Only report whether a full reboot is required (returns 1) or not (returns 0).
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+.IP "\fB\-s, \-\-services\fP"
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+List the affected systemd services only.
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 .PP
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 .SH "SEE ALSO"
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diff -up yum-utils-1.1.31/needs-restarting.py.orig yum-utils-1.1.31/needs-restarting.py
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--- yum-utils-1.1.31/needs-restarting.py.orig	2016-08-04 12:22:15.914287046 +0200
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+++ yum-utils-1.1.31/needs-restarting.py	2016-08-04 12:24:22.235343391 +0200
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@@ -65,6 +65,8 @@ def parseargs(args):
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     parser.add_option("-r", "--reboothint", default=False, action="store_true",
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       help=('only report whether a full reboot is required (returns 1) or not '
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             '(returns 0)'))
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+    parser.add_option("-s", "--services", default=False, action="store_true",
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+      help='list the affected systemd services only')
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     (opts, args) = parser.parse_args(args)
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     return (opts, args)
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@@ -106,6 +108,31 @@ def get_open_files(pid):
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             files.append(filename)
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     return files
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+def get_service(pid):
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+    """Return the systemd service to which the process belongs.
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+
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+    More details:
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+    http://0pointer.de/blog/projects/systemd-for-admins-2.html
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+    https://www.freedesktop.org/wiki/Software/systemd/FrequentlyAskedQuestions/
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+    """
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+
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+    fname = '/proc/%s/cgroup' % pid
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+    try:
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+        with open(fname, 'r') as f:
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+            groups = f.readlines()
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+    except (IOError, OSError), e:
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+        print >>sys.stderr, "Could not open %s" % fname
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+        return None
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+
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+    for line in groups:
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+        line = line.replace('\n', '')
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+        hid, hsub, cgroup = line.split(':')
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+        if hsub == 'name=systemd':
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+            name = cgroup.split('/')[-1]
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+            if name.endswith('.service'):
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+                return name
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+    return None
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+
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 def main(args):
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     (opts, args)  = parseargs(args)
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@@ -189,6 +216,13 @@ def main(args):
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+    if opts.services:
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+        names = set([get_service(pid) for pid in needing_restart])
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+        for name in names:
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+            if name is not None:
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+                print name
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+        return 0
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+
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     for pid in needing_restart:
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         try:
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             cmdline = open('/proc/' +pid+ '/cmdline', 'r').read()