[tbb-bugs] #23557 [Applications/Tor Browser]: rbm should download again an input file if it is not matching the expected sha256sum

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#23557: rbm should download again an input file if it is not matching the expected
sha256sum
-------------------------------------------+------------------------------
 Reporter:  boklm                          |          Owner:  boklm
     Type:  task                           |         Status:  needs_review
 Priority:  Medium                         |      Milestone:
Component:  Applications/Tor Browser       |        Version:
 Severity:  Normal                         |     Resolution:
 Keywords:  tbb-rbm, TorBrowserTeam201709  |  Actual Points:
Parent ID:                                 |         Points:
 Reviewer:                                 |        Sponsor:
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Comment (by boklm):

 To test the patch on a computer where doing a full build would take too
 much time, I created the file `projects/bug_23557/config` with this
 content:
 {{{
 # vim: filetype=yaml sw=2
 version: 1

 build: |
   #!/bin/sh
   echo ok
 input_files:
   - URL: https://people.torproject.org/~boklm/tmp/msvcr100.dll
     sha256sum:
 8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18
 }}}

 Then I ran:
 {{{
 /path/to/rbm build bug_23557
 }}}
 Checked the hash of the file in `out/bug_23557/msvcr100.dll`.

 Updated the URL and hash of `msvcr100.dll` in `projects/bug_23557/config`,
 then ran again:
 {{{
 /path/to/rbm build bug_23557
 }}}
 Then checked that `out/bug_23557/msvcr100.dll` was changed.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23557#comment:4>
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