fix: cpanm should use -l extlib option

app/.s2i/bin/assemble

@@ -2,6 +2,7 @@
 
 set -e
 shopt -s dotglob
+echo $BASH_ENV
 
 echo "---> Installing application source ..."
 mv /tmp/src/* ./

schema/.s2i/bin/assemble

@@ -16,7 +16,7 @@ else
   export ENABLE_CPAN_TEST="--notest"
 fi
 
-make install
+make install CPANM="cpanm $ENABLE_CPAN_TEST -l extlib"
 
 # Fix source directory permissions
 fix-permissions ./

schema/.s2i/environment

@@ -1,4 +1,6 @@
 PERL_MB_OPT=--install_base "/opt/app-root/src/extlib/lib/perl5"
 PERL_MM_OPT=INSTALL_BASE=/opt/app-root/src/extlib/lib/perl5
 PERL5LIB=/opt/app-root/src/extlib/lib/perl5
-PATH=/opt/app-root/src/extlib/lib/perl5/bin:/opt/app-root/src/bin:/opt/app-root/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
+# cpanm is installed in /opt/app-root/src/extlib/lib/perl5/bin
+# sqitch is installed in /opt/app-root/src/extlib/bin
+PATH=/opt/app-root/src/extlib/bin:/opt/app-root/src/extlib/lib/perl5/bin:/opt/app-root/src/bin:/opt/app-root/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin

schema/Makefile

@@ -148,18 +148,18 @@ install_pgtap: pgtap
 
 .PHONY: install_cpanm
 install_cpanm:
-ifeq (${shell which ${CPANM}},)
+ifeq ($(shell which $(word 1,$(CPANM))),)
 	# install cpanm
-	@@echo | ${CPAN} # accept cpan defaults blindly
-	@@${CPAN} App:cpanminus
+	@@echo | $(CPAN) # accept cpan defaults blindly
+	@@$(CPAN) App:cpanminus
 endif
 
 .PHONY: install_cpandeps
 install_cpandeps:
 	# install sqitch
-	${CPANM} -n https://github.com/matthieu-foucault/sqitch/releases/download/v1.0.1.TRIAL/App-Sqitch-v1.0.1-TRIAL.tar.gz
+	$(CPANM) -n https://github.com/matthieu-foucault/sqitch/releases/download/v1.0.1.TRIAL/App-Sqitch-v1.0.1-TRIAL.tar.gz
 	# install Perl dependencies from cpanfile
-	${CPANM} --installdeps .
+	$(CPANM) --installdeps .
 
 .PHONY: postinstall_check
 postinstall_check: