scripts: import cd2nroff from curl

From curl's commit b0009d0216a09a3e0ffa34fdb

Build it in the makefile

Author: bagder

Makefile

@@ -44,11 +44,16 @@ COMPLETION_FILES=completions/_trurl.zsh
 INSTALL ?= install
 PYTHON3 ?= python3
 
+all: $(TARGET) $(MANUAL)
+
 $(TARGET): $(OBJS)
 	$(CC) $(LDFLAGS) $(OBJS) -o $(TARGET) $(LDLIBS)
 
 trurl.o: trurl.c version.h
 
+$(MANUAL): trurl.md
+	./scripts/cd2nroff trurl.md > $(MANUAL)
+
 .PHONY: install
 install:
 	$(INSTALL) -d $(DESTDIR)$(BINDIR)
@@ -64,7 +69,7 @@ install:
 
 .PHONY: clean
 clean:
-	rm -f $(OBJS) $(TARGET) $(COMPLETION_FILES)
+	rm -f $(OBJS) $(TARGET) $(COMPLETION_FILES) $(MANUAL)
 
 .PHONY: test
 test: $(TARGET)

mkrelease

@@ -46,7 +46,7 @@ sed -ie "s/^Source: trurl \([0-9.]*\)/Source: trurl $version/" trurl.md
 sed -ie "s/\"[\.0-9]*\"/\"$version\"/" version.h
 
 # render the manpage into nroff
-./curl/scripts/cd2nroff trurl.md > $rel/trurl.1
+./scripts/cd2nroff trurl.md > $rel/trurl.1
 
 # create a release directory tree
 cp -p --parents $(git ls-files | grep -vE '^(.github/|.reuse/|.gitignore|LICENSES/)') $rel