git-am: head -1 is obsolete and doesn't work on some new systems
head -<n> was deprecated by POSIX, and as modern versions of coreutils
package don't support it at least one exports _POSIX2_VERSION=199209
it's fails on some systems.
head -n<n> is portable, but sed <n>q is even more.
Signed-off-by: Alejandro Mery <amery@geeks.cl>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/git-am.sh b/git-am.sh
index b48096e..2c517ed 100755
--- a/git-am.sh
+++ b/git-am.sh
@@ -421,7 +421,7 @@
else
action=yes
fi
- FIRSTLINE=$(head -1 "$dotest/final-commit")
+ FIRSTLINE=$(sed 1q "$dotest/final-commit")
if test $action = skip
then
