doc: Fix xref translation macro.

* doc/local.mk (xref_command): Wrap loop body in 'if [ -n "$$e" ]'.
This avoids shell syntax errors when producing
doc/guix-cookbook.de.texi, which for some reason gets an empty 'e' at
one point.  Quote the first argument to 'head'.
This commit is contained in:
Ludovic Courtès 2020-10-26 23:19:26 +01:00
parent 02c3c51e0c
commit aa7edc9449
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@ -96,14 +96,16 @@ define xref_command
cat "$@.tmp" | egrep '@p?x?ref' -A1 | sed 'N;s|--\n||g;P;D' | sed 's|^| |g' | \
tr -d '\012' | sed 's|\(@p\?x\?ref\)|\n\1|g' | egrep '@p?x?ref' | \
sed 's|^.*@p\?x\?ref{\([^,}]*\).*$$|\1|g' | sort | uniq | while read e; do \
line=$$(grep -n "^msgid \"$$e\"" "$<" | cut -f1 --delimiter=":") ;\
((line++)) ;\
if [ "$$line" != "1" ]; then \
translation=$$(head -n $$line "$<" | tail -1 | grep msgstr | sed 's|msgstr "\(.*\)"|\1|') ;\
if [ "$$translation" != "" ]; then \
sed "N;s@\(p\?x\?ref\){$$(echo $$e | sed 's| |[\\n ]|g')\(,\|}\)@\1{$$translation\2@g;P;D" -i "$@.tmp" ;\
fi ;\
fi ;\
if [ -n "$$e" ]; then \
line=$$(grep -n "^msgid \"$$e\"" "$<" | cut -f1 --delimiter=":") ;\
((line++)) ;\
if [ "$$line" != "1" ]; then \
translation=$$(head -n "$$line" "$<" | tail -1 | grep msgstr | sed 's|msgstr "\(.*\)"|\1|') ;\
if [ "$$translation" != "" ]; then \
sed "N;s@\(p\?x\?ref\){$$(echo $$e | sed 's| |[\\n ]|g')\(,\|}\)@\1{$$translation\2@g;P;D" -i "$@.tmp" ;\
fi ;\
fi ;\
fi ;\
done
endef