[Bug 2103880] [NEW] debootstrap incorrectly uses ProxyAutoDetect

[Will Rouesnel]

Public bug reported:

When running debootstrap with `Acquire::http::ProxyAutoDetect` the
result of the command used by debootstrap is incorrect.

According to `apt` the result of "no proxy" is to return the string
"DIRECT". However debootstrap simply stores the result of the command
into http_proxy verbatim, which breaks subsequent curl requests as it is
an invalid proxy string.

The attached patch shows the basic change necessary to fix this.

** Affects: debootstrap (Ubuntu)
     Importance: Undecided
         Status: New

** Patch added: "debootstrap.patch"
   https://bugs.launchpad.net/bugs/2103880/+attachment/5866558/+files/debootstrap.patch

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https://bugs.launchpad.net/bugs/2103880

Title:
  debootstrap incorrectly uses ProxyAutoDetect

Status in debootstrap package in Ubuntu:
  New

Bug description:
  When running debootstrap with `Acquire::http::ProxyAutoDetect` the
  result of the command used by debootstrap is incorrect.

  According to `apt` the result of "no proxy" is to return the string
  "DIRECT". However debootstrap simply stores the result of the command
  into http_proxy verbatim, which breaks subsequent curl requests as it
  is an invalid proxy string.

  The attached patch shows the basic change necessary to fix this.

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