Use stdout2env in PR acceptance tests

acceptance/pr_test.go

@@ -58,11 +58,20 @@ var sharedSetup = func(ts *testscript.Env) error {
 var sharedCmds = map[string]func(ts *testscript.TestScript, neg bool, args []string){
 	"defer": func(ts *testscript.TestScript, neg bool, args []string) {
 		ts.Defer(func() {
-			if err := ts.Exec(args[0], args[1:]...); err != nil {
-				ts.Fatalf("deferred command failed: %v", err)
-			}
+			ts.Check(ts.Exec(args[0], args[1:]...))
 		})
-	}}
+	},
+	"stdout2env": func(ts *testscript.TestScript, neg bool, args []string) {
+		if neg {
+			ts.Fatalf("unsupported: ! stdout2env")
+		}
+		if len(args) != 1 {
+			ts.Fatalf("usage: stdout2env name")
+		}
+
+		ts.Setenv(args[0], strings.TrimRight(ts.ReadFile("stdout"), "\n"))
+	},
+}
 
 var letters = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
 

acceptance/testdata/pr/pr-checkout.txt

@@ -18,6 +18,7 @@ exec git push -u origin feature-branch
 
 # Create the PR
 exec gh pr create --title 'Feature Title' --body 'Feature Body'
+stdout2env PR_URL
 
 # Remove the local branch
 exec git checkout main
@@ -25,5 +26,5 @@ exec git branch -D feature-branch
 stdout 'Deleted branch feature-branch'
 
 # Checkout the PR
-exec gh pr checkout 1
+exec gh pr checkout $PR_URL
 stderr 'Switched to a new branch ''feature-branch'''

acceptance/testdata/pr/pr-view.txt

@@ -18,7 +18,8 @@ exec git push -u origin feature-branch
 
 # Create the PR
 exec gh pr create --title 'Feature Title' --body 'Feature Body'
+stdout2env PR_URL
 
 # View the PR
-exec gh pr view 1
+exec gh pr view $PR_URL
 stdout 'Feature Title'