[Bug 1916105] Re: pkgbinarymangler slows down all builds, unnecessory

[Dimitri John Ledkov]

imho pkgbinarymangler can install dh sequencer to insert
dh_pkgbinarymangler before dh_builddeb.

then in the diverted dh_builddeb wrapper, it can check if
dh_pkgbinarymangler was called on all the packages already, and if yes,
do not create locks & request to disable pkgbinarymangling in dpkg-deb.

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Title:
  pkgbinarymangler slows down all builds, unnecessory

Status in debhelper package in Ubuntu:
  New
Status in pkgbinarymangler package in Ubuntu:
  New

Bug description:
  pkgbinarymangler slows down all builds, unnecessarily.

  pkgbinarymangler prevents running the io intensive dpkg-builddeb in
  parrallel which is the default.

  instead of making the builds use dpkg-builddeb in parallel, it makes
  all packages getting processed serially for the symlink_doc
  functionality.

  i wonder if we can integrate this better.

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