abyss-pe: test if zsh supports -o pipefail

and if not, fallback to using `bash` as SHELL closes #240
bcgsc · Aug 20, 2018 · 8992a58 · 8992a58 · sjackman · Aug 20, 2018
1 parent 9aceb97
commit 8992a58
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/bin/abyss-pe b/bin/abyss-pe
@@ -4,7 +4,7 @@
 # Anthony Raymond <traymond@bcgsc.ca>.
 
 SHELL=bash -e -o pipefail
-ifneq ($(shell command -v zsh),)
+ifeq ($(shell zsh -e -o pipefail -c 'true' 2>/dev/null; echo $$?), 0)
 # Set pipefail to ensure that all commands of a pipe succeed.
 SHELL=zsh -e -o pipefail
 # Report run time and memory usage with zsh.