build: Don't install an empty share/ikiwiki/examples/doc/examples

Signed-off-by: Simon McVittie <smcv@debian.org>

diff --git a/Makefile.PL b/Makefile.PL
index 2df9ae1a68776f2a814a15b2231fb37d0242749c..b63ee73975ae57b4034229be8c78936a3b03e6b5 100755 (executable)
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -140,11 +140,11 @@ underlay_install:
 extra_install: underlay_install
        # Install example sites.
        set -e; \
-       for dir in `$(FIND) doc/examples -type d ! -regex '.*discussion.*' | $(SED) -e 's|^doc/examples/||'`; do \
+       for dir in `$(FIND) doc/examples -type d ! -regex '.*discussion.*' | $(SED) -ne 's|^doc/examples/||p'`; do \
                install -d $(DESTDIR)$(PREFIX)/share/ikiwiki/examples/$$dir; \
        done
        set -e; \
-       for file in `$(FIND) doc/examples -type f ! -regex '.*discussion.*' | $(SED) -e 's|^doc/examples/||'`; do \
+       for file in `$(FIND) doc/examples -type f ! -regex '.*discussion.*' | $(SED) -ne 's|^doc/examples/||p'`; do \
                if ! cp -pRL doc/examples/$$file $(DESTDIR)$(PREFIX)/share/ikiwiki/examples/$$file 2>/dev/null; then \
                        install -m 644 doc/examples/$$file $(DESTDIR)$(PREFIX)/share/ikiwiki/examples/$$file; \
                fi; \