docs: ensure outputfile is deleted if rst2html/rst2man fail

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

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>

diff --git a/docs/Makefile.am b/docs/Makefile.am
index 4dae29094000d4e48af2bb8e49dd4b04b3dded09..6e4dc68a7b0f638178c9dc23e8c37d93c48cb029 100644 (file)
--- a/docs/Makefile.am
+++ b/docs/Makefile.am
@@ -262,21 +262,21 @@ 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
@@ -415,11 +415,11 @@ 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)