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Viewing changes to hooks/charmhelpers/core/host.py

  • Committer: Christopher Glass
  • Date: 2014-09-24 12:36:50 UTC
  • mfrom: (22.1.1 resync-stable-charm-helpers)
  • Revision ID: christopher.glass@canonical.com-20140924123650-ycalmj7aehppfn3x
[tribaal, r=gnuoy] Sync to latest charm-helpers.

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hooks/charmhelpers/core/host.py
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       0 => Installed revno is the same as supplied arg
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      -1 => Installed revno is less than supplied arg
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    '''
 
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    from charmhelpers.fetch import apt_cache
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    if not pkgcache:
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        apt_pkg.init()
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        # Force Apt to build its cache in memory. That way we avoid race
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        # conditions with other applications building the cache in the same
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        # place.
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        apt_pkg.config.set("Dir::Cache::pkgcache", "")
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        pkgcache = apt_pkg.Cache()
 
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        pkgcache = apt_cache()
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    pkg = pkgcache[package]
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    return apt_pkg.version_compare(pkg.current_ver.ver_str, revno)