Log failures on CI remotes

lionel- · lionel- · commit 5ade4c587e22 · 2020-06-06T11:06:36.000+02:00
Closes #79
diff --git a/NEWS.md b/NEWS.md
@@ -8,6 +8,11 @@
     shift + ENTER = Validate active group
     ESC = Quit app
 
+- Failure diffs are now logged in `vdiffr.Rout.fail` when the `CI`
+  environment variable is set. This makes it easier to investigate
+  remote failures on Travis etc (#79).
+
+
 # vdiffr 0.3.1
 
 This release makes vdiffr compatible with ggplot2 3.2.0. It also
diff --git a/R/utils.R b/R/utils.R
@@ -113,7 +113,7 @@ push_log <- function(case) {
   cat_line(file = file, "", !!!diff_lines, "")
 }
 is_checking <- function() {
-  !nzchar(Sys.getenv("NOT_CRAN"))
+  nzchar(Sys.getenv("CI")) || !nzchar(Sys.getenv("NOT_CRAN"))
 }
 
 diff_lines <- function(case,

Original file line number	Diff line number	Diff line change
`@@ -113,7 +113,7 @@ push_log <- function(case) {`
`113`	`113`	`cat_line(file = file, "", !!!diff_lines, "")`
`114`	`114`	`}`
`115`	`115`	`is_checking <- function() {`
`116`		`- !nzchar(Sys.getenv("NOT_CRAN"))`
	`116`	`+ nzchar(Sys.getenv("CI")) \|\| !nzchar(Sys.getenv("NOT_CRAN"))`
`117`	`117`	`}`
`118`	`118`
`119`	`119`	`diff_lines <- function(case,`