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