commit
fb4849aec1
@ -1,2 +1,3 @@
|
||||
live-build usr/share/livecd-rootfs
|
||||
get-ppa-fingerprint usr/share/livecd-rootfs
|
||||
minimize-manual usr/share/livecd-rootfs
|
||||
|
@ -0,0 +1,63 @@
|
||||
#!/usr/bin/python3
|
||||
"""Minimize the number of manually installed packages in the image.
|
||||
|
||||
Finds all manually installed meta packages, and marks their dependencies
|
||||
as automatically installed.
|
||||
"""
|
||||
import sys
|
||||
|
||||
import apt
|
||||
|
||||
|
||||
def is_root(pkg):
|
||||
"""Check if the package is a root package (manually inst. meta)"""
|
||||
return (pkg.is_installed and
|
||||
not pkg.is_auto_installed and
|
||||
(pkg.section == "metapackages" or
|
||||
pkg.section.endswith("/metapackages")))
|
||||
|
||||
|
||||
def main():
|
||||
"""Main function"""
|
||||
cache = apt.Cache(rootdir=sys.argv[1] if len(sys.argv) > 1 else None)
|
||||
roots = set(pkg for pkg in cache if is_root(pkg))
|
||||
workset = set(roots)
|
||||
seen = set()
|
||||
ubiquity_depends = set()
|
||||
|
||||
with cache.actiongroup():
|
||||
while True:
|
||||
print("Iteration", file=sys.stderr)
|
||||
to_proc = workset - seen
|
||||
if not to_proc:
|
||||
break
|
||||
for pkg in sorted(to_proc):
|
||||
print(" Visiting", pkg, file=sys.stderr)
|
||||
|
||||
if pkg not in roots and pkg not in ubiquity_depends:
|
||||
pkg.mark_auto()
|
||||
|
||||
for dep in (pkg.installed.dependencies +
|
||||
pkg.installed.recommends):
|
||||
for bdep in dep.or_dependencies:
|
||||
for ver in bdep.target_versions:
|
||||
if ver.package.is_installed:
|
||||
if pkg.name == "ubiquity":
|
||||
ubiquity_depends.add(ver.package)
|
||||
if pkg.name != "ubiquity":
|
||||
# Reprocess this package again, as we did not mark it when we visited it from ubiquity
|
||||
try:
|
||||
ubiquity_depends.remove(ver.package)
|
||||
# This will raise the KeyError here if ubiquity did not depend on it
|
||||
seen.remove(ver.package)
|
||||
except KeyError:
|
||||
pass
|
||||
workset.add(ver.package)
|
||||
|
||||
seen.add(pkg)
|
||||
|
||||
cache.commit()
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
main()
|
Loading…
Reference in new issue