#
# Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
# Copyright (C) 2004-2017 Red Hat, Inc. All rights reserved.
#
# This file is part of LVM2.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions
# of the GNU General Public License v.2.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

srcdir = @srcdir@
top_srcdir = @top_srcdir@
top_builddir = @top_builddir@

ifeq ($(V),1)
	Q=
else
	Q=@
endif

FSADMMAN = fsadm.8
LVMIMPORTVDOMAN = lvm_import_vdo.8
BLKDEACTIVATEMAN = blkdeactivate.8
DMEVENTDMAN = dmeventd.8
DMFILEMAPDMAN = dmfilemapd.8
LVMPOLLDMAN = lvmpolld.8
LVMLOCKDMAN = lvmlockd.8 lvmlockctl.8
CMIRRORDMAN = cmirrord.8
LVMDBUSDMAN = lvmdbusd.8

MAN5=lvm.conf.5
MAN7=lvmsystemid.7 lvmreport.7 lvmraid.7 lvmautoactivation.7

MAN8=lvm.8 lvmdump.8 lvm-fullreport.8 lvm-lvpoll.8 \
     lvcreate.8 lvchange.8 lvmconfig.8 lvconvert.8 lvdisplay.8 \
     lvextend.8 lvreduce.8 lvremove.8 lvrename.8 lvresize.8 lvs.8 \
     lvscan.8 pvchange.8 pvck.8 pvcreate.8 pvdisplay.8 pvmove.8 pvremove.8 \
     pvresize.8 pvs.8 pvscan.8 vgcfgbackup.8 vgcfgrestore.8 vgchange.8 \
     vgck.8 vgcreate.8 vgconvert.8 vgdisplay.8 vgexport.8 vgextend.8 \
     vgimport.8 vgimportclone.8 vgmerge.8 vgmknodes.8 vgreduce.8 vgremove.8 \
     vgrename.8 vgs.8 vgscan.8 vgsplit.8 \
     lvmsar.8 lvmsadc.8 lvmdiskscan.8 lvmdevices.8 vgimportdevices.8
MAN8SO=lvm-config.8 lvm-dumpconfig.8
MAN8DM=dmsetup.8 dmstats.8
MAN8CLUSTER=

ifeq (,$(findstring $(MAKECMDGOALS), distclean all_man install_all_man))
  MAN7 += lvmcache.7 lvmthin.7 lvmvdo.7
  MAN8+=$(FSADMMAN) $(LVMPOLLDMAN) $(LVMLOCKDMAN) $(LVMDBUSDMAN) $(LVMIMPORTVDOMAN)
  MAN8DM+=$(BLKDEACTIVATEMAN) $(DMEVENTDMAN) $(DMFILEMAPDMAN)
  MAN8CLUSTER+=$(CMIRRORDMAN)
else
  ifeq ("@FSADM@", "yes")
    MAN8+=$(FSADMMAN)
  endif

  ifeq ("@LVMIMPORTVDO@", "yes")
    MAN8+=$(LVMIMPORTVDOMAN)
  endif

  ifeq ("@BUILD_LVMDBUSD@", "yes")
    MAN8+=$(LVMDBUSDMAN)
  endif

  ifeq ("@BUILD_LVMPOLLD@", "yes")
    MAN8+=$(LVMPOLLDMAN)
  endif

  ifeq ("@BUILD_LVMLOCKD@", "yes")
    MAN8+=$(LVMLOCKDMAN)
  endif

  ifeq ("@BLKDEACTIVATE@", "yes")
    MAN8DM+=$(BLKDEACTIVATEMAN)
  endif

  ifeq ("@BUILD_DMEVENTD@", "yes")
    MAN8DM+=$(DMEVENTDMAN)
  endif

  ifeq ("@BUILD_DMFILEMAPD@", "yes")
    MAN8DM+=$(DMFILEMAPDMAN)
  endif

  ifeq ("@BUILD_CMIRRORD@", "yes")
    MAN8CLUSTER+=$(CMIRRORDMAN)
  endif

  ifeq ("@CACHE@", "internal")
    MAN7 += lvmcache.7
  else
    ifeq ("@WRITECACHE@", "internal")
      MAN7 += lvmcache.7
    endif
  endif

  ifeq ("@THIN@", "internal")
    MAN7 += lvmthin.7
  endif

  ifeq ("@VDO@", "internal")
    MAN7 += lvmvdo.7
  endif

endif

MAN5DIR=$(mandir)/man5
MAN7DIR=$(mandir)/man7
MAN8DIR=$(mandir)/man8

MANGENERATOR=$(top_builddir)/tools/man-generator
TESTMAN=test.gen

include $(top_builddir)/make.tmpl

CLEAN_TARGETS+=$(MAN5) $(MAN7) $(MAN8) $(MAN8SO) $(MAN8:%.8=%.8_gen) $(MAN8CLUSTER) \
	$(MAN8DM) $(TESTMAN)

all: man device-mapper

.PHONY: man install_man5 install_man7 install_man8 pregenerated_man

device-mapper: $(MAN8DM)

man: $(MAN5) $(MAN7) $(MAN8) $(MAN8SO) $(MAN8CLUSTER)

all_man: man

$(MAN5) $(MAN7) $(MAN8) $(MAN8SO) $(MAN8DM) $(MAN8CLUSTER): Makefile

$(MANGENERATOR):
	@echo "    [MAKE] $<"
	$(Q) $(MAKE) -C $(top_builddir) tools

# Test whether or not the man page generator works
$(TESTMAN): $(MANGENERATOR) Makefile
	@echo "    [TSTMAN] $@"
	$(Q) - $(MANGENERATOR) --primary lvmconfig > $@

SEE_ALSO=$(srcdir)/see_also.end

.PRECIOUS: %.8_gen

%.8_gen: $(srcdir)/%.8_des $(srcdir)/%.8_end $(MANGENERATOR) $(TESTMAN)
	$(Q)set -e ; ( \
	    if [ ! -s $(TESTMAN) ] ; then \
		cat $(srcdir)/$(@:%.8_gen=%.8_pregen) \
		    $(srcdir)/$(basename $@).8_end $(SEE_ALSO) ; \
	    else \
		MANCMD=$(basename $@) && \
		$(MANGENERATOR) --primary $$MANCMD $< && \
		$(MANGENERATOR) --secondary $$MANCMD && \
		cat $(srcdir)/$(basename $@).8_end $(SEE_ALSO) ; \
	    fi \
	) > $@

#
# When EDITLINE_LIBS is defined, we are compiling with libedit
#
ifneq ("$(EDITLINE_LIBS)", "")
DEFAULT_LIBLINE=editline
else
DEFAULT_LIBLINE=readline
endif

define SUBSTVARS
$(SED) -e "s+#VERSION#+$(LVM_VERSION)+" \
	-e "s+#DEFAULT_SYS_DIR#+$(DEFAULT_SYS_DIR)+" \
	-e "s+#DEFAULT_ARCHIVE_DIR#+$(DEFAULT_ARCHIVE_DIR)+" \
	-e "s+#DEFAULT_BACKUP_DIR#+$(DEFAULT_BACKUP_DIR)+" \
	-e "s+#DEFAULT_PROFILE_DIR#+$(DEFAULT_PROFILE_DIR)+" \
	-e "s+#DEFAULT_CACHE_DIR#+$(DEFAULT_CACHE_DIR)+" \
	-e "s+#DEFAULT_LOCK_DIR#+$(DEFAULT_LOCK_DIR)+" \
	-e "s+#LVM_PATH#+@bindir@/lvm+" \
	-e "s+#DEFAULT_RUN_DIR#+$(DEFAULT_RUN_DIR)+" \
	-e "s+#DEFAULT_PID_DIR#+$(DEFAULT_PID_DIR)+" \
	-e "s+#SYSTEMD_GENERATOR_DIR#+$(SYSTEMD_GENERATOR_DIR)+" \
	-e "s+#DEFAULT_LIBLINE#+$(DEFAULT_LIBLINE)+" \
	-e "s+#DEFAULT_MANGLING#+$(DEFAULT_MANGLING)+" $< > $@
endef

# Escape any '-' to '\-'  (except ^.TH line)
# and fix unwanted changes:
#    '\\-'  back to '\-'
#    words like 'device\-mapper' back to 'device-mapper',
#    \[\->] \[<\-] back to \[->], \[<-]
#    however for some words i.e. '*-pool' we want '*\-pool'
#    also 'vg-lv,[systemd-]machine-id,lvm-full,lvm-lvpoll' should go with \-
#
define ESCAPEHYPHENS
$(SED) -i -e "/^.TH/ !s+-+\\\-+g" \
	  -e "s+\\\[\]-+\\\-+g" \
	  -e "s+\(^\|[^[:alnum:]\-]\)\([[:alpha:]]\{1,\}\)\\\-\((\|[([:alpha:]]\{2,\}\)+\1\2-\3+g" \
	  -e "s+\([[:alpha:]]\)-\(pool\)+\1\\\-\2+g" \
	  -e "s+[\][[]\(<\{0,1\}\)\\\-+\\\[\1-+g" \
	  -e "s+\(vg.\{1,\}[^\]\)-lv+\1\\\-lv+g" \
	  -e "s+systemd-machine+systemd\\\-machine+g" \
	  -e "s+machine-id+machine\\\-id+g" \
	  -e "s+lvm-full+lvm\\\-full+g" \
	  -e "s+lvm-lvpoll+lvm\\\-lvpoll+g" \
	  -e "s+\([[:digit:]]\)\s\([KMGTPE]iB\)+\1\\\ \2+g" \
	  $@
endef

.PHONY: checksed
checksed:
	$(Q) echo "cmd -a -b retry -c ret --use-policy -d" > $@
	$(Q) echo "cmd \fI-u\fB -d retry \fI--use-pol --use-poli 4.0 --use \"-L|--size\"" >> $@
	$(Q) echo "cmd --use-pol" >> $@
	$(Q) echo "cmd --[raid]use device-mapper thin-pool \fB-\fP sdb1:1000-1999 \fB-t\fP|\fB--test\fP -? -o-field3" >> $@
	$(Q) echo "cmd -dd---- \[->] \[<-] -*- -o#field5 -o-field3 -d" >> $@
	$(Q) echo "-d" >> $@
	$(Q) echo ".TH 2.03.12(2)-git" >> $@
	$(Q) echo "--verbose" >> $@
	$(Q) echo ".BR -- [ raid ] most  -- [ raid ] most" >> $@
	$(Q) echo ".BR | --verbose|--verb  --verbose  --verbose --verbose --verbose" >> $@
	$(Q) echo "skip - unint --aa-dd- --aa-dd-- ---aa-dd 4.0 \-a\-b" >> $@
	$(Q) echo "cmd \-a \-b retry \-c ret \-\-use\-policy \-d" > $@-e
	$(Q) echo "cmd \fI\-u\fB \-d retry \fI\-\-use\-pol \-\-use\-poli 4.0 \-\-use \"\-L|\-\-size\"" >> $@-e
	$(Q) echo "cmd \-\-use\-pol" >> $@-e
	$(Q) echo "cmd \-\-[raid]use device-mapper thin\-pool \fB\-\fP sdb1:1000\-1999 \fB\-t\fP|\fB\-\-test\fP \-? \-o\-field3" >> $@-e
	$(Q) echo "cmd \-dd\-\-\-\- \[->] \[<-] \-*\- \-o#field5 \-o\-field3 \-d" >> $@-e
	$(Q) echo "\-d" >> $@-e
	$(Q) echo ".TH 2.03.12(2)-git" >> $@-e
	$(Q) echo "\-\-verbose" >> $@-e
	$(Q) echo ".BR \-\- [ raid ] most  \-\- [ raid ] most" >> $@-e
	$(Q) echo ".BR | \-\-verbose|\-\-verb  \-\-verbose  \-\-verbose \-\-verbose \-\-verbose" >> $@-e
	$(Q) echo "skip \- unint \-\-aa\-dd\- \-\-aa\-dd\-\- \-\-\-aa\-dd 4.0 \-a\-b" >> $@-e
	$(Q) $(ESCAPEHYPHENS)
	$(Q) echo "--- H Y P H E N A T E D ---"
	$(Q) cat $@
	$(Q) diff -u $@-e $@
	$(Q) $(RM) $@ $@-e

%.5: $(srcdir)/%.5_main
	@echo "    [MAN] $@"
	$(Q) $(SUBSTVARS)
	$(Q) $(ESCAPEHYPHENS)

%.7: $(srcdir)/%.7_main
	@echo "    [MAN] $@"
	$(Q) $(SUBSTVARS)
	$(Q) $(ESCAPEHYPHENS)

%.8: $(srcdir)/%.8_main
	@echo "    [MAN] $@"
	$(Q) $(SUBSTVARS)
	$(Q) $(ESCAPEHYPHENS)

%.8: %.8_gen
	@echo "    [MAN] $@"
	$(Q) $(SUBSTVARS)
	$(Q) $(ESCAPEHYPHENS)

$(MAN8SO): lvmconfig.8
	@echo "    [MAN] $@"
	$(Q) echo ".so $<" > $@

install_man5: $(MAN5)
	@echo "    [INSTALL] $^"
	$(Q) $(INSTALL) -d $(MAN5DIR)
	$(Q) $(INSTALL_DATA) $^ $(MAN5DIR)/

install_man7: $(MAN7)
	@echo "    [INSTALL] $^"
	$(Q) $(INSTALL) -d $(MAN7DIR)
	$(Q) $(INSTALL_DATA) $^ $(MAN7DIR)/

install_man8: $(MAN8) $(MAN8SO)
	@echo "    [INSTALL] $^"
	$(Q) $(INSTALL) -d $(MAN8DIR)
	$(Q) $(INSTALL_DATA) $^ $(MAN8DIR)/

install_lvm2: install_man5 install_man7 install_man8

install_cluster: $(MAN8CLUSTER)
ifdef MAN8CLUSTER
	@echo "    [INSTALL] $^"
	$(Q) $(INSTALL) -d $(MAN8DIR)
	$(Q) $(INSTALL_DATA) $^ $(MAN8DIR)/
endif

install_device-mapper: $(MAN8DM)
	@echo "    [INSTALL] $^"
	$(Q) $(INSTALL) -d $(MAN8DIR)
	$(Q) $(INSTALL_DATA) $^ $(MAN8DIR)/

install: install_lvm2 install_device-mapper install_cluster

install_all_man: install install_systemd_generators

# Copy generated man pages back to source tree as fallback for machines where generator doesn't work
pregenerated_man: $(MANGENERATOR) $(TESTMAN)
	@echo "    [GENERATE] $^"
	$(Q) set -e ; test -s $(TESTMAN) && for i in $(srcdir)/*.8_des; do \
		CMD=`basename $$i .8_des`; \
		( $(MANGENERATOR) --primary $$CMD $$i && \
		$(MANGENERATOR) --secondary $$CMD )  \
		> $(srcdir)/$$CMD.8_pregen ; \
	done

generate: pregenerated_man