packages: Use `read' and source properties for `package-field-location'.
authorLudovic Courtès <ludo@gnu.org>
Wed, 24 Apr 2013 12:43:31 +0000 (14:43 +0200)
committerLudovic Courtès <ludo@gnu.org>
Wed, 24 Apr 2013 22:13:56 +0000 (00:13 +0200)
commitf903dc056a5176033daca7a69d5b2c8376ff0677
treee7ca982e7ba57d22245a048c37223ff9f9947ea7
parent5fe21fbeefe109f400aef40a51f71af111546fa3
packages: Use `read' and source properties for `package-field-location'.

* guix/packages.scm (package-field-location): Rewrite using `read' and
  source properties.  Change to return #f upon failure.
* tests/packages.scm ("package-field-location"): Check for #f upon failure.
* build-aux/sync-synopses.scm: Adjust accordingly.
build-aux/sync-synopses.scm
guix/packages.scm
tests/packages.scm