Update haskell.nix pin

fiadliel · fiadliel · commit 69186da5901c · 2020-01-15T13:36:56.000+01:00
This pulls in input-output-hk/haskell.nix#397 (automatically generate cache for stackage projects).
diff --git a/pins/default-haskell-nix.json b/pins/default-haskell-nix.json
@@ -1,7 +1,7 @@
 {
   "url": "https://github.com/input-output-hk/haskell.nix",
-  "rev": "b390b34e1842acf9146351d2fb2d1a5c0bfa556b",
-  "date": "2019-12-13T16:11:00+08:00",
-  "sha256": "13iwkd11wggbx59camcjwrd1cr6r9jcbpdhqy8l2f8janl1i2pp8",
+  "rev": "801f05fa175d07bf9e4542bfd558180072288fe6",
+  "date": "2020-01-15T01:10:14+00:00",
+  "sha256": "1nn7j9vpgcxhgfrdn70g53759wb8m9p350m6srq32v73jhl4a8ar",
   "fetchSubmodules": false
 }

Original file line number	Diff line number	Diff line change
`@@ -1,7 +1,7 @@`
`1`	`1`	`{`
`2`	`2`	`"url": "https://github.com/input-output-hk/haskell.nix",`
`3`		`- "rev": "b390b34e1842acf9146351d2fb2d1a5c0bfa556b",`
`4`		`- "date": "2019-12-13T16:11:00+08:00",`
`5`		`- "sha256": "13iwkd11wggbx59camcjwrd1cr6r9jcbpdhqy8l2f8janl1i2pp8",`
	`3`	`+ "rev": "801f05fa175d07bf9e4542bfd558180072288fe6",`
	`4`	`+ "date": "2020-01-15T01:10:14+00:00",`
	`5`	`+ "sha256": "1nn7j9vpgcxhgfrdn70g53759wb8m9p350m6srq32v73jhl4a8ar",`
`6`	`6`	`"fetchSubmodules": false`
`7`	`7`	`}`