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Pushed to one repository · View In Graph Contained in 0.8, 0.8.1, and 0.8.2

thgutil: only rewrite thgstatus file if needed

Read the existing contents of the file first and rewrite it only if
it is not up-to-date.

Presumably better for flash drives.

Changeset 1e087bf4fa46…

Parent a77b80f99a18…

by Adrian Buehlmann

Changes to one file · Browse files at 1e087bf4fa46 Showing diff from parent a77b80f99a18 Diff from another changeset...

Change 1 of 2 Show Entire File thgutil/​shlib.py Stacked
 
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@@ -80,9 +80,11 @@
  tdelta = float(int(tref)) + 1.0 - tref   if (tdelta > 0.0):   time.sleep(tdelta) +   repo = hg.repository(ui, root) # a fresh repo object is needed   repostate = repo.status() # will update .hg/dirstate as a side effect   modified, added, removed, deleted = repostate[:4] +   dirstatus = {}   def dirname(f):   return '/'.join(f.split('/')[:-1]) @@ -92,12 +94,34 @@
  dirstatus[dirname(fn)] = 'm'   for fn in removed + deleted:   dirstatus[dirname(fn)] = 'r' - f = repo.opener('thgstatus', 'wb', atomictemp=True) - for dn in sorted(dirstatus): - s = dirstatus[dn] - f.write(s + dn + '\n') - ui.note("%s %s\n" % (s, dn)) - f.rename() + + update = False + f = None + try: + try: + f = repo.opener('thgstatus', 'rb') + for dn in sorted(dirstatus): + s = dirstatus[dn] + e = f.readline() + if e == '' or e[0] != s or e[1:-1] != dn: + update = True + break + if f.readline() != '': + # extra line in f, needs update + update = True + except IOError: + update = True + finally: + if f != None: + f.close() + + if update: + f = repo.opener('thgstatus', 'wb', atomictemp=True) + for dn in sorted(dirstatus): + s = dirstatus[dn] + f.write(s + dn + '\n') + ui.note("%s %s\n" % (s, dn)) + f.rename()    else:   def shell_notify(paths):