[libvirt] [PATCH] docs: ensure outputfile is deleted if rst2html/rst2man fail

[Daniel P. Berrangé]

This avoids leaving a zero length or partially generated output
file on errors.

Signed-off-by: Daniel P. Berrangé <berrange at redhat.com>
---
 docs/Makefile.am | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/docs/Makefile.am b/docs/Makefile.am
index eb8de80b9c..9a1f7a6117 100644
--- a/docs/Makefile.am
+++ b/docs/Makefile.am
@@ -259,21 +259,21 @@ man8_MANS = $(manpages8_rst:%.rst=%.8)
 	   grep -v '^\.\. contents::' < $< | \
 	   sed -e 's|SYSCONFDIR|$(sysconfdir)|g' \
 	       -e 's|RUNSTATEDIR|$(runstatedir)|g' | \
-	   $(RST2MAN) > $@
+	   $(RST2MAN) > $@ || { rm $@ && exit 1; }
 
 %.7: %.rst
 	$(AM_V_GEN)$(MKDIR_P) `dirname $@` && \
 	   grep -v '^\.\. contents::' < $< | \
 	   sed -e 's|SYSCONFDIR|$(sysconfdir)|g' \
 	       -e 's|RUNSTATEDIR|$(runstatedir)|g' | \
-	   $(RST2MAN) > $@
+	   $(RST2MAN) > $@ || { rm $@ && exit 1; }
 
 %.8: %.rst
 	$(AM_V_GEN)$(MKDIR_P) `dirname $@` && \
 	   grep -v '^\.\. contents::' < $< | \
 	   sed -e 's|SYSCONFDIR|$(sysconfdir)|g' \
 	       -e 's|RUNSTATEDIR|$(runstatedir)|g' | \
-	   $(RST2MAN) > $@
+	   $(RST2MAN) > $@ || { rm $@ && exit 1; }
 
 manpages/virkeycode-%.rst: $(top_srcdir)/src/keycodemapdb/data/keymaps.csv \
 		$(top_srcdir)/src/keycodemapdb/tools/keymap-gen Makefile.am
@@ -414,11 +414,11 @@ manpages/%.html.in: manpages/%.rst
 	 grep -v '^:Manual ' < $< | \
 	  sed -e 's|SYSCONFDIR|$(sysconfdir)|g' \
 	     -e 's|RUNSTATEDIR|$(runstatedir)|g' | \
-	  $(RST2HTML) > $@
+	  $(RST2HTML) > $@ || { rm $@ && exit 1; }
 
 %.html.in: %.rst
 	$(AM_V_GEN)$(MKDIR_P) `dirname $@` && \
-	  $(RST2HTML) $< > $@
+	  $(RST2HTML) $< > $@ || { rm $@ && exit 1; }
 
 %.html.tmp: %.html.in site.xsl subsite.xsl page.xsl \
 		$(acl_generated)
-- 
2.23.0