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 ifndef SHELL_PATH
  26         SHELL_PATH = /bin/sh
  27 endif
  28 SHELL_PATH_SQ = $(subst ','\'',$(SHELL_PATH))
  29
  30 version := $(shell test -d .git && git describe --match "topgit-[0-9]*" --abbrev=4 --dirty 2>/dev/null | sed -e 's/^topgit-//' )
  31
  32 -include config.mak
  33 SHELL = $(SHELL_PATH)
  34
  35 ifneq ($(strip $(version)),)
  36         version_arg = -e s/TG_VERSION=.*/TG_VERSION=$(version)/
  37 endif
  38
  39 .PHONY: FORCE
  40
  41 all::   shell_compatibility_test precheck $(commands_out) $(hooks_out) $(help_out) tg-tg.txt
  42
  43 please_set_SHELL_PATH_to_a_more_modern_shell:
  44         @$$(:)
  45
  46 shell_compatibility_test: please_set_SHELL_PATH_to_a_more_modern_shell
  47
  48 tg $(commands_out) $(hooks_out): % : %.sh Makefile TG-PREFIX
  49         @echo "[SED] $@"
  50         @sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
  51                 -e 's#@cmddir@#$(cmddir)#g;' \
  52                 -e 's#@hooksdir@#$(hooksdir)#g' \
  53                 -e 's#@bindir@#$(bindir)#g' \
  54                 -e 's#@sharedir@#$(sharedir)#g' \
  55                 -e 's|@SHELL_PATH@|$(SHELL_PATH_SQ)|' \
  56                 $(version_arg) \
  57                 $@.sh >$@+ && \
  58         chmod +x $@+ && \
  59         mv $@+ $@
  60
  61 $(help_out): README create-help.sh
  62         @CMD=`echo $@ | sed -e 's/tg-//' -e 's/\.txt//'` && \
  63         echo '[HELP]' $$CMD && \
  64         $(SHELL_PATH) ./create-help.sh $$CMD
  65
  66 .PHONY: doc install-doc html
  67
  68 doc:: html
  69
  70 install-doc:: install-html
  71
  72 html:: topgit.html $(html_out)
  73
  74 tg-tg.txt: README create-html-usage.pl $(wildcard tg-*.sh)
  75         @echo '[HELP] tg'
  76         @perl ./create-html-usage.pl --text < README > $@
  77
  78 topgit.html: README create-html-usage.pl $(wildcard tg-*.sh)
  79         @echo '[HTML] topgit'
  80         @perl ./create-html-usage.pl < README | rst2html.py - $@
  81
  82 $(html_out): create-html.sh
  83         @CMD=`echo $@ | sed -e 's/tg-//' -e 's/\.html//'` && \
  84         echo '[HTML]' $$CMD && \
  85         $(SHELL_PATH) ./create-html.sh $$CMD
  86
  87 .PHONY: precheck
  88
  89 precheck:: tg
  90 ifeq ($(DESTDIR),)
  91         ./$+ precheck
  92 else
  93         @echo skipping precheck because DESTDIR is set
  94 endif
  95
  96 .PHONY: install
  97
  98 install:: all
  99         install -d -m 755 "$(DESTDIR)$(bindir)"
 100         install tg "$(DESTDIR)$(bindir)"
 101         install -d -m 755 "$(DESTDIR)$(cmddir)"
 102         install $(commands_out) "$(DESTDIR)$(cmddir)"
 103         install -d -m 755 "$(DESTDIR)$(hooksdir)"
 104         install $(hooks_out) "$(DESTDIR)$(hooksdir)"
 105         install -d -m 755 "$(DESTDIR)$(sharedir)"
 106         install -m 644 $(help_out) tg-tg.txt "$(DESTDIR)$(sharedir)"
 107         install -m 644 leaves.awk "$(DESTDIR)$(sharedir)"
 108
 109 .PHONY: install-html
 110
 111 install-html:: html
 112         install -d -m 755 "$(DESTDIR)$(sharedir)"
 113         install -m 644 topgit.html $(html_out) "$(DESTDIR)$(sharedir)"
 114
 115 .PHONY: clean
 116
 117 clean::
 118         rm -f tg $(commands_out) $(hooks_out) $(help_out) topgit.html $(html_out)
 119         rm -f TG-PREFIX
 120
 121 define TRACK_PREFIX
 122 $(bindir):$(cmddir):$(hooksdir):$(sharedir):$(SHELL_PATH):$(version)
 123 endef
 124 export TRACK_PREFIX
 125
 126 TG-PREFIX: FORCE
 127         @if test x"$$TRACK_PREFIX" != x"`cat TG-PREFIX 2>/dev/null`"; then \
 128                 echo "* new prefix flags"; \
 129                 echo "$$TRACK_PREFIX" >TG-PREFIX; \
 130         fi