[MacPorts] #29093: changing $worksrcdir break the build when using git.fetch or hg.fetch

[MacPorts]

#29093: changing $worksrcdir break the build when using git.fetch or hg.fetch
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 Reporter:  ciserlohn@…               |       Owner:  ryandesign@…           
     Type:  defect                    |      Status:  assigned               
 Priority:  Normal                    |   Milestone:  MacPorts 2.0.0         
Component:  base                      |     Version:  1.9.2                  
 Keywords:  haspatch                  |        Port:                         
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Comment(by ciserlohn@…):

 Replying to [comment:7 ryandesign@…]:
 > This needs to be fixed differently. `hgfetch` and `gitfetch` need to be
 rewritten to use `command_exec` (like `bzrfetch`, `cvzfetch` and
 `svnfetch` do) instead of `system`.

 Please have a look at the new patch. It uses the 'command_exec' for
 git.fetch and fetches the source to '$workpath/$distname' like the first
 patch.
 Feedback and suggestions are welcome.

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Ticket URL: <https://trac.macports.org/ticket/29093#comment:8>
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