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bees: move usage message out of source file and fix a few inaccuracies

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It's a pain to read, edit, and format large blocks of text in C++ code,
so rip the usage message out of bees.cc and put it in a plain text file.
Use a minimal translator to convert it into a C string.

While we're here, remove the multiple roots feature from the command
line synopsis, as we don't really support it any more.  Also clarify
that "id 5" is "subvol id 5", and describe in one sentence what
workaround-btrfs-send does.

Signed-off-by: Zygo Blaxell <bees@furryterror.org>
This commit is contained in:
Zygo Blaxell
2020-11-05 12:47:58 -05:00
parent bbaf55b2b0
commit e654e29f45
5 changed files with 46 additions and 42 deletions
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9
src/Makefile
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@ -23,6 +23,10 @@ bees-version.c: bees.h $(BEES_OBJS:.o=.cc) Makefile
echo "const char *BEES_VERSION = \"$(BEES_VERSION)\";" > bees-version.new.c
mv -f bees-version.new.c bees-version.c
bees-usage.c: bees-usage.txt Makefile
(echo 'const char *BEES_USAGE = '; sed -r 's/^(.*)$$/"\1\\n"/' < bees-usage.txt; echo ';') > bees-usage.new.c
mv -f bees-usage.new.c bees-usage.c
.depends:
mkdir -p $@
@ -41,10 +45,9 @@ $(BEES_OBJS) fiemap.o fiewalk.o: %.o: %.cc
$(PROGRAMS): ../bin/%: %.o
$(CXX) $(BEES_CXXFLAGS) $(BEES_LDFLAGS) -o $@ $< $(LIBS)
bees-version.o: %.o: %.c
$(CC) $(BEES_CFLAGS) -o $@ -c $<
$(PROGRAMS): ../lib/libcrucible.a
$(BEES): $(BEES_OBJS) bees-version.o
$(BEES): $(BEES_OBJS) bees-version.o bees-usage.o
$(CXX) $(BEES_CXXFLAGS) $(BEES_LDFLAGS) -o $@ $^ $(LIBS)
clean: