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 # Update if you add any code that requires a newer version of git
  12 GIT_MINIMUM_VERSION ?= 1.8.5
  13
  14 prefix ?= $(HOME)
  15 bindir = $(prefix)/bin
  16 cmddir = $(prefix)/libexec/topgit
  17 sharedir = $(prefix)/share/topgit
  18 hooksdir = $(cmddir)/hooks
  19
  20 commands_in := $(wildcard tg-*.sh)
  21 hooks_in = hooks/pre-commit.sh
  22
  23 commands_out = $(patsubst %.sh,%,$(commands_in))
  24 hooks_out = $(patsubst %.sh,%,$(hooks_in))
  25 help_out = $(patsubst %.sh,%.txt,tg-help.sh $(commands_in))
  26 html_out = $(patsubst %.sh,%.html,tg-help.sh tg-tg.sh $(commands_in))
  27
  28 SHELL_PATH ?= /bin/sh
  29 SHELL_PATH_SQ = $(subst ','\'',$(SHELL_PATH))
  30
  31 version := $(shell test -d .git && git describe --match "topgit-[0-9]*" --abbrev=4 --dirty 2>/dev/null | sed -e 's/^topgit-//' )
  32
  33 -include config.mak
  34 SHELL = $(SHELL_PATH)
  35
  36 ifneq ($(strip $(version)),)
  37         version_arg = -e s/TG_VERSION=.*/TG_VERSION=$(version)/
  38 endif
  39
  40 .PHONY: FORCE
  41
  42 all::   shell_compatibility_test precheck $(commands_out) $(hooks_out) bin-wrappers/tg $(help_out) tg-tg.txt
  43
  44 please_set_SHELL_PATH_to_a_more_modern_shell:
  45         @$$(:)
  46
  47 shell_compatibility_test: please_set_SHELL_PATH_to_a_more_modern_shell
  48
  49 tg $(commands_out) $(hooks_out): % : %.sh Makefile TG-BUILD-SETTINGS
  50         @echo "[SED] $@"
  51         @sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
  52                 -e 's#@cmddir@#$(cmddir)#g;' \
  53                 -e 's#@hooksdir@#$(hooksdir)#g' \
  54                 -e 's#@bindir@#$(bindir)#g' \
  55                 -e 's#@sharedir@#$(sharedir)#g' \
  56                 -e 's#@mingitver@#$(GIT_MINIMUM_VERSION)#g' \
  57                 -e 's|@SHELL_PATH@|$(SHELL_PATH_SQ)|' \
  58                 $(version_arg) \
  59                 $@.sh >$@+ && \
  60         chmod +x $@+ && \
  61         mv $@+ $@
  62
  63 bin-wrappers/tg : $(commands_out) $(hooks_out) tg
  64         @echo "[WRAPPER] $@"
  65         @[ -d bin-wrappers ] || mkdir bin-wrappers
  66         @echo '#!$(SHELL_PATH_SQ)' >"$@"
  67         @curdir="$$(pwd -P)"; \
  68          echo "TG_INST_CMDDIR='$$curdir' && export TG_INST_CMDDIR" >>"$@"; \
  69          echo "TG_INST_SHAREDIR='$$curdir' && export TG_INST_SHAREDIR" >>"$@"; \
  70          echo "TG_INST_HOOKSDIR='$$curdir' && export TG_INST_HOOKSDIR" >>"$@"; \
  71          echo "exec '$$curdir/tg' \"\$$@\"" >>"$@"
  72         @chmod a+x "$@"
  73
  74 $(help_out): README create-help.sh
  75         @CMD=`echo $@ | sed -e 's/tg-//' -e 's/\.txt//'` && \
  76         echo '[HELP]' $$CMD && \
  77         $(SHELL_PATH) ./create-help.sh $$CMD
  78
  79 .PHONY: doc install-doc html
  80
  81 doc:: html
  82
  83 install-doc:: install-html
  84
  85 html:: topgit.html $(html_out)
  86
  87 tg-tg.txt: README create-html-usage.pl $(wildcard tg-*.sh)
  88         @echo '[HELP] tg'
  89         @perl ./create-html-usage.pl --text < README > $@
  90
  91 topgit.html: README create-html-usage.pl $(wildcard tg-*.sh)
  92         @echo '[HTML] topgit'
  93         @perl ./create-html-usage.pl < README | rst2html.py - $@
  94
  95 $(html_out): create-html.sh
  96         @CMD=`echo $@ | sed -e 's/tg-//' -e 's/\.html//'` && \
  97         echo '[HTML]' $$CMD && \
  98         $(SHELL_PATH) ./create-html.sh $$CMD
  99
 100 .PHONY: precheck
 101
 102 precheck:: tg
 103 ifeq ($(DESTDIR),)
 104         @./$+ precheck
 105 else
 106         @echo skipping precheck because DESTDIR is set
 107 endif
 108
 109 .PHONY: install
 110
 111 install:: all
 112         install -d -m 755 "$(DESTDIR)$(bindir)"
 113         install tg "$(DESTDIR)$(bindir)"
 114         install -d -m 755 "$(DESTDIR)$(cmddir)"
 115         install $(commands_out) "$(DESTDIR)$(cmddir)"
 116         install -d -m 755 "$(DESTDIR)$(hooksdir)"
 117         install $(hooks_out) "$(DESTDIR)$(hooksdir)"
 118         install -d -m 755 "$(DESTDIR)$(sharedir)"
 119         install -m 644 $(help_out) tg-tg.txt "$(DESTDIR)$(sharedir)"
 120         install -m 644 leaves.awk "$(DESTDIR)$(sharedir)"
 121
 122 .PHONY: install-html
 123
 124 install-html:: html
 125         install -d -m 755 "$(DESTDIR)$(sharedir)"
 126         install -m 644 topgit.html $(html_out) "$(DESTDIR)$(sharedir)"
 127
 128 .PHONY: clean
 129
 130 clean::
 131         rm -f tg $(commands_out) $(hooks_out) $(help_out) topgit.html $(html_out)
 132         rm -f TG-BUILD-SETTINGS
 133         rm -rf bin-wrappers
 134         +@$(MAKE) -C t clean
 135
 136 define BUILD_SETTINGS
 137 TG_INST_BINDIR='$(bindir)'
 138 TG_INST_CMDDIR='$(cmddir)'
 139 TG_INST_HOOKSDIR='$(hooksdir)'
 140 TG_INST_SHAREDIR='$(sharedir)'
 141 SHELL_PATH='$(SHELL_PATH)'
 142 TG_VERSION='$(version)'
 143 TG_GIT_MINIMUM_VERSION='$(GIT_MINIMUM_VERSION)'
 144 endef
 145 export BUILD_SETTINGS
 146
 147 TG-BUILD-SETTINGS: FORCE
 148         @if test x"$$BUILD_SETTINGS" != x"`cat $@ 2>/dev/null`"; then \
 149                 echo "* new build settings"; \
 150                 echo "$$BUILD_SETTINGS" >$@; \
 151         fi
 152
 153 test:: all
 154         +@$(MAKE) -C t all