added Graphviz_jll to deps

closes #7

Author: mohamed-barakat

Project.toml

@@ -8,6 +8,7 @@ BinaryProvider = "b99e7846-7c00-51b0-8f62-c81ae34c0232"
 GAP = "c863536a-3901-11e9-33e7-d5cd0df7b904"
 Singular = "bcd08a7b-43d2-5ff7-b6d4-c458787f915c"
 lib4ti2_jll = "1493ae25-0f90-5c0e-a06c-8c5077d6d66f"
+Graphviz_jll = "3c863552-8265-54e4-a6dc-903eb78fde85"
 Pkg = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
 Markdown = "d6f4376e-aef5-505a-96c1-9c027394607a"
 

README.md

@@ -63,6 +63,7 @@ and the
 | [cddlib](https://github.com/cddlib/cddlib/)         | [CddInterface](https://github.com/homalg-project/CddInterface/)                 |
 | [4ti2](https://4ti2.github.io/)                     | [4ti2Interface](https://homalg-project.github.io/homalg_project/4ti2Interface/) |
 | [Normaliz](https://www.normaliz.uni-osnabrueck.de/) | [NormalizInterface](https://github.com/gap-packages/NormalizInterface/)         |
+| [Graphviz](https://graphviz.org/)                   | [Digraphs](https://github.com/gap-packages/digraphs/)                           |
 
 ## General Disclaimer
 

deps/usr/bin/dot

@@ -0,0 +1,7 @@
+#!/bin/sh
+# dot
+julia -e 'import Graphviz_jll
+lib4ti2_jll.dot() do x
+ p=run(ignorestatus(`$x $ARGS`))
+ exit(p.exitcode)
+end' -- "$@"

docs/src/index.md

@@ -59,6 +59,7 @@ and the
 | [cddlib](https://github.com/cddlib/cddlib/)         | [CddInterface](https://github.com/homalg-project/CddInterface/)                 |
 | [4ti2](https://4ti2.github.io/)                     | [4ti2Interface](https://homalg-project.github.io/homalg_project/4ti2Interface/) |
 | [Normaliz](https://www.normaliz.uni-osnabrueck.de/) | [NormalizInterface](https://github.com/gap-packages/NormalizInterface/)         |
+| [Graphviz](https://graphviz.org/)                   | [Digraphs](https://github.com/gap-packages/digraphs/)                           |
 
 ## General Disclaimer
 

src/HomalgProject.jl

@@ -38,6 +38,7 @@ and the
 | cddlib               | CddInterface             |
 | 4ti2                 | 4ti2Interface            |
 | Normaliz             | NormalizInterface        |
+| Graphviz             | Digraphs                 |
 
 ## General Disclaimer
 

test/digraphs.jl

@@ -2,4 +2,5 @@
     LoadPackage( "Digraphs" )
     gr = Digraph( GAP.julia_to_gap( 1:2 ), ReturnTrue )
     @test DotDigraph( gr ) == GAP.julia_to_gap( "//dot\ndigraph hgn{\nnode [shape=circle]\n1\n2\n1 -> 1\n1 -> 2\n2 -> 1\n2 -> 2\n}\n" )
+    @test Filename( DirectoriesSystemPrograms(), GAP.julia_to_gap( "dot" ) ) != GAP.Globals.fail
 end