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 utils_in := $(wildcard tg--*.sh)
  22 hooks_in = hooks/pre-commit.sh
  23
  24 commands_out = $(patsubst %.sh,%,$(commands_in))
  25 utils_out = $(patsubst %.sh,%,$(utils_in))
  26 hooks_out = $(patsubst %.sh,%,$(hooks_in))
  27 PROGRAMS = $(commands_out) $(utils_out)
  28 help_out = $(patsubst %.sh,%.txt,tg-help.sh tg-status.sh $(commands_in))
  29 html_out = $(patsubst %.sh,%.html,tg-help.sh tg-status.sh tg-tg.sh $(commands_in))
  30
  31 SHELL_PATH ?= /bin/sh
  32 SHELL_PATH_SQ = $(subst ','\'',$(SHELL_PATH))
  33
  34 version := $(shell test -d .git && git describe --match "topgit-[0-9]*" --abbrev=4 --dirty 2>/dev/null | sed -e 's/^topgit-//' )
  35
  36 -include config.mak
  37 SHELL = $(SHELL_PATH)
  38
  39 ifneq ($(strip $(version)),)
  40         version_arg = -e s/TG_VERSION=.*/TG_VERSION=$(version)/
  41 endif
  42
  43 .PHONY: FORCE
  44
  45 all::   shell_compatibility_test precheck $(commands_out) $(utils_out) $(hooks_out) bin-wrappers/tg $(help_out) tg-tg.txt
  46
  47 please_set_SHELL_PATH_to_a_more_modern_shell:
  48         @$$(:)
  49
  50 shell_compatibility_test: please_set_SHELL_PATH_to_a_more_modern_shell
  51
  52 tg $(commands_out) $(utils_out) $(hooks_out): % : %.sh Makefile TG-BUILD-SETTINGS
  53         @echo "[SED] $@"
  54         @sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
  55                 -e 's#@cmddir@#$(cmddir)#g;' \
  56                 -e 's#@hooksdir@#$(hooksdir)#g' \
  57                 -e 's#@bindir@#$(bindir)#g' \
  58                 -e 's#@sharedir@#$(sharedir)#g' \
  59                 -e 's#@mingitver@#$(GIT_MINIMUM_VERSION)#g' \
  60                 -e 's|@SHELL_PATH@|$(SHELL_PATH_SQ)|' \
  61                 $(version_arg) \
  62                 $@.sh >$@+ && \
  63         chmod +x $@+ && \
  64         mv $@+ $@
  65
  66 bin-wrappers/tg : $(commands_out) $(utils_out) $(hooks_out) tg
  67         @echo "[WRAPPER] $@"
  68         @[ -d bin-wrappers ] || mkdir bin-wrappers
  69         @echo '#!$(SHELL_PATH_SQ)' >"$@"
  70         @curdir="$$(pwd -P)"; \
  71          echo "TG_INST_CMDDIR='$$curdir' && export TG_INST_CMDDIR" >>"$@"; \
  72          echo "TG_INST_SHAREDIR='$$curdir' && export TG_INST_SHAREDIR" >>"$@"; \
  73          echo "TG_INST_HOOKSDIR='$$curdir' && export TG_INST_HOOKSDIR" >>"$@"; \
  74          echo "exec '$$curdir/tg' \"\$$@\"" >>"$@"
  75         @chmod a+x "$@"
  76
  77 $(help_out): README create-help.sh
  78         @CMD=`echo $@ | sed -e 's/tg-//' -e 's/\.txt//'` && \
  79         echo '[HELP]' $$CMD && \
  80         $(SHELL_PATH) ./create-help.sh $$CMD
  81
  82 .PHONY: doc install-doc html
  83
  84 doc:: html
  85
  86 install-doc:: install-html
  87
  88 html:: topgit.html $(html_out)
  89
  90 tg-tg.txt: README create-html-usage.pl $(commands_in)
  91         @echo '[HELP] tg'
  92         @perl ./create-html-usage.pl --text < README > $@
  93
  94 topgit.html: README create-html-usage.pl $(commands_in)
  95         @echo '[HTML] topgit'
  96         @perl ./create-html-usage.pl < README | rst2html.py - $@
  97
  98 $(html_out): create-html.sh
  99         @CMD=`echo $@ | sed -e 's/tg-//' -e 's/\.html//'` && \
 100         echo '[HTML]' $$CMD && \
 101         $(SHELL_PATH) ./create-html.sh $$CMD
 102
 103 .PHONY: precheck
 104
 105 precheck:: tg
 106 ifeq ($(DESTDIR),)
 107         @./$+ precheck
 108 else
 109         @echo skipping precheck because DESTDIR is set
 110 endif
 111
 112 .PHONY: install
 113
 114 install:: all
 115         install -d -m 755 "$(DESTDIR)$(bindir)"
 116         install tg "$(DESTDIR)$(bindir)"
 117         install -d -m 755 "$(DESTDIR)$(cmddir)"
 118         install $(commands_out) $(utils_out) "$(DESTDIR)$(cmddir)"
 119         install -d -m 755 "$(DESTDIR)$(hooksdir)"
 120         install $(hooks_out) "$(DESTDIR)$(hooksdir)"
 121         install -d -m 755 "$(DESTDIR)$(sharedir)"
 122         install -m 644 $(help_out) tg-tg.txt "$(DESTDIR)$(sharedir)"
 123         install -m 644 leaves.awk "$(DESTDIR)$(sharedir)"
 124
 125 .PHONY: install-html
 126
 127 install-html:: html
 128         install -d -m 755 "$(DESTDIR)$(sharedir)"
 129         install -m 644 topgit.html $(html_out) "$(DESTDIR)$(sharedir)"
 130
 131 .PHONY: clean
 132
 133 clean::
 134         rm -f tg $(commands_out) $(utils_out) $(hooks_out) $(help_out) topgit.html $(html_out)
 135         rm -f TG-BUILD-SETTINGS
 136         rm -rf bin-wrappers
 137         +@$(MAKE) -C t clean
 138
 139 define BUILD_SETTINGS
 140 TG_INST_BINDIR='$(bindir)'
 141 TG_INST_CMDDIR='$(cmddir)'
 142 TG_INST_HOOKSDIR='$(hooksdir)'
 143 TG_INST_SHAREDIR='$(sharedir)'
 144 SHELL_PATH='$(SHELL_PATH)'
 145 TG_VERSION='$(version)'
 146 TG_GIT_MINIMUM_VERSION='$(GIT_MINIMUM_VERSION)'
 147 endef
 148 export BUILD_SETTINGS
 149
 150 TG-BUILD-SETTINGS: FORCE
 151         @if test x"$$BUILD_SETTINGS" != x"`cat $@ 2>/dev/null`"; then \
 152                 echo "* new build settings"; \
 153                 echo "$$BUILD_SETTINGS" >$@; \
 154         fi
 155
 156 test:: all
 157         +@$(MAKE) -C t all