Makefile

   1 # NOTE: Requires GNU make
   2
   3 all::
   4
   5 # This should give a reasonable hint that GNU make is required in non-GNU make
   6 .error GNU_make_is_required:
   7
   8 # This should be fatal in non-GNU make
   9 export MAKE
  10
  11 prefix ?= $(HOME)
  12 bindir = $(prefix)/bin
  13 cmddir = $(prefix)/libexec/topgit
  14 sharedir = $(prefix)/share/topgit
  15 hooksdir = $(cmddir)/hooks
  16
  17 commands_in := $(wildcard tg-*.sh)
  18 hooks_in = hooks/pre-commit.sh
  19
  20 commands_out = $(patsubst %.sh,%,$(commands_in))
  21 hooks_out = $(patsubst %.sh,%,$(hooks_in))
  22 help_out = $(patsubst %.sh,%.txt,tg-help.sh $(commands_in))
  23 html_out = $(patsubst %.sh,%.html,tg-help.sh tg-tg.sh $(commands_in))
  24
  25 version := $(shell test -d .git && git describe --match "topgit-[0-9]*" --abbrev=4 --dirty 2>/dev/null | sed -e 's/^topgit-//' )
  26
  27 -include config.mak
  28
  29 ifneq ($(strip $(version)),)
  30         version_arg = -e s/TG_VERSION=.*/TG_VERSION=$(version)/
  31 endif
  32
  33 .PHONY: FORCE
  34
  35 all::   precheck $(commands_out) $(hooks_out) $(help_out)
  36
  37 tg $(commands_out) $(hooks_out): % : %.sh Makefile TG-PREFIX
  38         @echo "[SED] $@"
  39         @sed -e 's#@cmddir@#$(cmddir)#g;' \
  40                 -e 's#@hooksdir@#$(hooksdir)#g' \
  41                 -e 's#@bindir@#$(bindir)#g' \
  42                 -e 's#@sharedir@#$(sharedir)#g' \
  43                 $(version_arg) \
  44                 $@.sh >$@+ && \
  45         chmod +x $@+ && \
  46         mv $@+ $@
  47
  48 $(help_out): README create-help.sh
  49         @CMD=`echo $@ | sed -e 's/tg-//' -e 's/\.txt//'` && \
  50         echo '[HELP]' $$CMD && \
  51         ./create-help.sh $$CMD
  52
  53 .PHONY: html
  54
  55 html:: topgit.html $(html_out)
  56
  57 topgit.html: README create-html-usage.pl
  58         @echo '[HTML] topgit'
  59         @perl ./create-html-usage.pl < README | rst2html.py - $@
  60
  61 $(html_out): create-html.sh
  62         @CMD=`echo $@ | sed -e 's/tg-//' -e 's/\.html//'` && \
  63         echo '[HTML]' $$CMD && \
  64         ./create-html.sh $$CMD
  65
  66 .PHONY: precheck
  67
  68 precheck:: tg
  69 ifeq ($(DESTDIR),)
  70         ./$+ precheck
  71 else
  72         @echo skipping precheck because DESTDIR is set
  73 endif
  74
  75 .PHONY: install
  76
  77 install:: all
  78         install -d -m 755 "$(DESTDIR)$(bindir)"
  79         install tg "$(DESTDIR)$(bindir)"
  80         install -d -m 755 "$(DESTDIR)$(cmddir)"
  81         install $(commands_out) "$(DESTDIR)$(cmddir)"
  82         install -d -m 755 "$(DESTDIR)$(hooksdir)"
  83         install $(hooks_out) "$(DESTDIR)$(hooksdir)"
  84         install -d -m 755 "$(DESTDIR)$(sharedir)"
  85         install -m 644 $(help_out) "$(DESTDIR)$(sharedir)"
  86         install -m 644 README "$(DESTDIR)$(sharedir)/tg-tg.txt"
  87         install -m 644 leaves.awk "$(DESTDIR)$(sharedir)"
  88
  89 .PHONY: install-html
  90
  91 install-html:: html
  92         install -d -m 755 "$(DESTDIR)$(sharedir)"
  93         install -m 644 topgit.html $(html_out) "$(DESTDIR)$(sharedir)"
  94
  95 .PHONY: clean
  96
  97 clean::
  98         rm -f tg $(commands_out) $(hooks_out) $(help_out) topgit.html $(html_out)
  99         rm -f TG-PREFIX
 100
 101 define TRACK_PREFIX
 102 $(bindir):$(cmddir):$(hooksdir):$(sharedir):$(version)
 103 endef
 104 export TRACK_PREFIX
 105
 106 TG-PREFIX: FORCE
 107         @if test x"$$TRACK_PREFIX" != x"`cat TG-PREFIX 2>/dev/null`"; then \
 108                 echo "* new prefix flags"; \
 109                 echo "$$TRACK_PREFIX" >TG-PREFIX; \
 110         fi