def show(self, snapshot, compact=False):
""" show details pertaining to given snapshot """
snapshot = Snapshot(snapshot)
if snapshot.name == "@":
parent, changes = self._get_status()
else:
parent, changes = snapshot.parent, snapshot.changes
fca = snapshots.first_common_ancestor("@", snapshot)
mainline = (fca == snapshot) and 'Is' or "Isn't"
mainline = "%s an ancestor of @" % mainline
pretty_history = self._prettify_changes(changes)
if parent == None:
parent = "unknown"
else:
parent = parent.name
if not compact:
title = "Snapshot %s" % snapshot.name
print(title)
if snapshot.name != "@":
print(mainline)
print("Parent: %s" % parent)
if parent == "unknown" and snapshot.name == "@":
print("dpkg history shown for the last 30 days")
print("dpkg history:")
else:
print("dpkg history for %s" % snapshot.name)
print("\n".join(pretty_history))
return True
def _sort_key(self, snapshot):
""" key for sorting the to_print list in order to assure that the
different branches are printed coherently
"""
if snapshot.name == "@" or len(self.junctions) == 0:
return snapshot.date
junctions = self.junctions.keys()
junctions.sort(key = lambda x: x.date)
oldest = junctions[0]
newest = junctions[-1]
fca = snapshots.first_common_ancestor(newest, snapshot)
if fca == None or oldest.date < fca.date:
return snapshot.date
return fca.date
