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Author SHA1 Message Date
Ludovic Courtès ef8de9852e tests: Disable grafting by default for most tests. 
This allows tests to run as expected even in the presence of
replacements among the bootstrap packages, such as Perl (commit
d8173f21f7).

* tests/cpan.scm: Add (%graft? #f).
* tests/derivations.scm: Likewise.
* tests/graph.scm: Likewise.
* tests/monads.scm: Likewise.
* tests/profiles.scm: Likewise.
* tests/gexp.scm: Likewise.
("gexp->derivation vs. grafts"): Explicitly reenable grafting before,
and disable it after, using 'set-grafting'.
 2016-03-06 23:16:35 +01:00
Ludovic Courtès 724eaef1b2 tests: Use sed instead of grep as a package with no dependencies. 
* tests/graph.scm ("node-edges"): Choose SED instead of GREP as the
example.
 2016-01-13 18:19:01 +01:00
Ludovic Courtès 51385362f7 graph: %BAG-WITH-ORIGINS-NODE-TYPE includes the origin's guile. 
Before that it would include #f for most origins since that the default
value of 'origin-patch-guile'.

* guix/scripts/graph.scm (bag-node-edges): When 'origin-patch-guile'
returns #f, use (default-guile).
* tests/graph.scm ("bag DAG, including origins"): Check for an edge from
O to (default-guile).
 2016-01-02 22:25:41 +01:00
Ludovic Courtès f88282af38 graph: %BAG-EMERGED-NODE-TYPE filters out origins. 
Fixes <http://bugs.gnu.org/22280>.
Reported by Leo Famulari <leo@famulari.name>.

* guix/scripts/graph.scm (%bag-emerged-node-type)[edges]: Mimic
%BAG-NODE-TYPE.  This is a followup to 38b92da.
 2016-01-02 22:25:41 +01:00
Ludovic Courtès 88d5858f55 graph: Add synthetic test. 
* tests/graph.scm ("node-transitive-edges, no duplicates"): New test.
 2015-12-13 21:41:52 +01:00
Ludovic Courtès 38b92daa81 graph: Add '%bag-with-origins-node-type'. 
* guix/scripts/graph.scm (bag-node-edges): Remove 'filter' call.  Add
case for 'origin'.
(%bag-node-type)[edges]: Add filtering here.
(%bag-with-origins-node-type): New variable.
(%node-types): Add it.
* tests/graph.scm ("bag DAG, including origins"): New test.
* tests/guix-graph.sh: Add 'bag-with-origins'.
* doc/guix.texi (Invoking guix graph): Document it.
 2015-11-23 23:34:15 +01:00
Ludovic Courtès 923d846c4d graph: Add procedures to query a node's edges. 
* guix/graph.scm (%node-edges, node-edges, node-back-edges)
(node-transitive-edges): New procedures.
* tests/graph.scm ("node-edges")
("node-transitive-edges + node-back-edges"): New tests.
 2015-11-21 16:26:43 +01:00
Ludovic Courtès 8fb583714f Add (guix graph). 
* guix/scripts/graph.scm (<node-type>, <graph-backend>, emit-prologue)
(emit-epilogue, emit-node, emit-edge, %graphviz-backend, export-graph):
Move to...
* guix/graph.scm: ... here.  New file.
* guix/scripts/system.scm, tests/graph.scm: Use it.
* Makefile.am (MODULES): Add it.
 2015-11-21 16:26:43 +01:00
Ludovic Courtès 888569161c Add 'guix graph'. 
* guix/scripts/graph.scm, tests/graph.scm, tests/guix-graph.sh,
  doc/images/coreutils-bag-graph.dot, doc/images/coreutils-graph.dot: New
  files.
* Makefile.am (MODULES): Add guix/scripts/graph.scm.
  (SH_TESTS): Add tests/guix-graph.sh.
  (SCM_TESTS): Add tests/graph.scm.
* doc.am (DOT_FILES, DOT_VECTOR_GRAPHICS): New variables.
  (EXTRA_DIST): Use them.
  (dist_infoimage_DATA): Use $(DOT_FILES).
  (pdf-local, info-local, ps-local): Likewise.
* doc/guix.texi (Packages with Multiple Outputs): Add cross-reference to 'guix
  graph'.
  (Invoking guix gc): Likewise.
  (Invoking guix graph): New section.
 2015-08-27 00:49:23 +02:00