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 # This avoids having this in no less than three different places!
  15 TG_STATUS_HELP_USAGE = st[atus] [-v] [--exit-code]
  16 export TG_STATUS_HELP_USAGE
  17
  18 prefix ?= $(HOME)
  19 bindir = $(prefix)/bin
  20 cmddir = $(prefix)/libexec/topgit
  21 sharedir = $(prefix)/share/topgit
  22 hooksdir = $(cmddir)/hooks
  23
  24 commands_in := $(wildcard tg-[!-]*.sh)
  25 utils_in := $(wildcard tg--*.sh)
  26 hooks_in = hooks/pre-commit.sh
  27 helpers_in = $(wildcard t/helper/*.sh)
  28
  29 commands_out = $(patsubst %.sh,%,$(commands_in))
  30 utils_out = $(patsubst %.sh,%,$(utils_in))
  31 hooks_out = $(patsubst %.sh,%,$(hooks_in))
  32 helpers_out = $(patsubst %.sh,%,$(helpers_in))
  33 PROGRAMS = $(commands_out) $(utils_out)
  34 help_out = $(patsubst %.sh,%.txt,tg-help.sh tg-status.sh $(commands_in))
  35 html_out = $(patsubst %.sh,%.html,tg-help.sh tg-status.sh tg-tg.sh $(commands_in))
  36
  37 SHELL_PATH ?= /bin/sh
  38 SHELL_PATH_SQ = $(subst ','\'',$(SHELL_PATH))
  39
  40 AWK_PATH ?= awk
  41 AWK_PATH_SQ = $(subst ','\'',$(AWK_PATH))
  42
  43 version := $(shell test -d .git && git describe --match "topgit-[0-9]*" --abbrev=4 --dirty 2>/dev/null | sed -e 's/^topgit-//' )
  44
  45 -include config.mak
  46 SHELL = $(SHELL_PATH)
  47 ifeq ($(subst /,,$(AWK_PATH)),$(AWK_PATH))
  48 AWK_PREFIX = /usr/bin/
  49 else
  50 AWK_PREFIX =
  51 endif
  52
  53 ifneq ($(strip $(version)),)
  54         version_arg = -e s/TG_VERSION=.*/TG_VERSION=$(version)/
  55 endif
  56
  57 .PHONY: FORCE
  58
  59 all::   shell_compatibility_test precheck $(commands_out) $(utils_out) $(hooks_out) $(helpers_out) bin-wrappers/tg $(help_out) tg-tg.txt
  60
  61 please_set_SHELL_PATH_to_a_more_modern_shell:
  62         @$$(:)
  63
  64 shell_compatibility_test: please_set_SHELL_PATH_to_a_more_modern_shell
  65
  66 define POUND
  67 #
  68 endef
  69 AT = @
  70 Q_ = $(AT)
  71 Q_0 = $(Q_)
  72 Q = $(Q_$(V))
  73 QSED_ = $(AT)echo "[SED] $@" &&
  74 QSED_0 = $(QSED_)
  75 QSED = $(QSED_$(V))
  76 QHELP_ = $(AT)CMD="$@" CMD="$${CMD$(POUND)tg-}" && echo "[HELP] $${CMD%.txt}" &&
  77 QHELP_0 = $(QHELP_)
  78 QHELP = $(QHELP_$(V))
  79 QHELPTG_ = $(AT)echo "[HELP] tg" &&
  80 QHELPTG_0 = $(QHELPTG_)
  81 QHELPTG = $(QHELPTG_$(V))
  82 QHTML_ = $(AT)CMD="$@" CMD="$${CMD$(POUND)tg-}" && echo "[HTML] $${CMD%.html}" &&
  83 QHTML_0 = $(QHTML_)
  84 QHTML = $(QHTML_$(V))
  85 QHTMLTOPGIT_ = $(AT)echo "[HTML] topgit" &&
  86 QHTMLTOPGIT_0 = $(QHTMLTOPGIT_)
  87 QHTMLTOPGIT = $(QHTMLTOPGIT_$(V))
  88 QWRAPPER_ = $(AT)echo "[WRAPPER] $@" &&
  89 QWRAPPER_0 = $(QWRAPPER_)
  90 QWRAPPER = $(QWRAPPER_$(V))
  91
  92 tg $(commands_out) $(utils_out) $(hooks_out) $(helpers_out): % : %.sh Makefile TG-BUILD-SETTINGS
  93         $(QSED)sed \
  94                 -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
  95                 -e '1s|#!.*/awk|#!$(AWK_PREFIX)$(AWK_PATH_SQ)|' \
  96                 -e 's#@cmddir@#$(cmddir)#g;' \
  97                 -e 's#@hooksdir@#$(hooksdir)#g' \
  98                 -e 's#@bindir@#$(bindir)#g' \
  99                 -e 's#@sharedir@#$(sharedir)#g' \
 100                 -e 's#@mingitver@#$(GIT_MINIMUM_VERSION)#g' \
 101                 -e 's#@tgsthelpusage@#$(TG_STATUS_HELP_USAGE)#g' \
 102                 -e 's#@SHELL_PATH@#$(SHELL_PATH_SQ)#g' \
 103                 -e 's#@AWK_PATH@#$(AWK_PATH_SQ)#g' \
 104                 $(version_arg) \
 105                 $@.sh >$@+ && \
 106         chmod +x $@+ && \
 107         mv $@+ $@
 108
 109 bin-wrappers/tg : $(commands_out) $(utils_out) $(hooks_out) $(helpers_out) tg
 110         $(QWRAPPER){ [ -d bin-wrappers ] || mkdir bin-wrappers; } && \
 111         echo '#!$(SHELL_PATH_SQ)' >"$@" && \
 112         curdir="$$(pwd -P)" && \
 113         echo "TG_INST_CMDDIR='$$curdir' && export TG_INST_CMDDIR" >>"$@" && \
 114         echo "TG_INST_SHAREDIR='$$curdir' && export TG_INST_SHAREDIR" >>"$@" && \
 115         echo "TG_INST_HOOKSDIR='$$curdir' && export TG_INST_HOOKSDIR" >>"$@" && \
 116         echo '[ -n "$$tg__include" ] || exec $(SHELL_PATH_SQ) -c '\''. "$$TG_INST_CMDDIR/tg"'\'' tg "$$@" || exit' >>"$@" && \
 117         echo ". '$$curdir/tg'" >>"$@" && \
 118         chmod a+x "$@"
 119
 120 $(help_out): README create-help.sh
 121         $(QHELP)CMD="$@" CMD="$${CMD#tg-}" CMD="$${CMD%.txt}" && \
 122         $(SHELL_PATH) ./create-help.sh "$$CMD"
 123
 124 .PHONY: doc install-doc html
 125
 126 doc:: html
 127
 128 install-doc:: install-html
 129
 130 html:: topgit.html $(html_out)
 131
 132 tg-tg.txt: README create-html-usage.pl $(commands_in)
 133         $(QHELPTG)perl ./create-html-usage.pl --text < README > $@
 134
 135 topgit.html: README create-html-usage.pl $(commands_in)
 136         $(QHTMLTOPGIT)perl ./create-html-usage.pl < README | rst2html.py - $@
 137
 138 $(html_out): create-html.sh
 139         $(QHTML)CMD="$@" CMD="$${CMD#tg-}" CMD="$${CMD%.html}" && \
 140         $(SHELL_PATH) ./create-html.sh "$$CMD"
 141
 142 .PHONY: precheck
 143
 144 precheck:: tg
 145 ifeq ($(DESTDIR),)
 146         $(Q)./$+ precheck
 147 else
 148         $(Q)echo skipping precheck because DESTDIR is set
 149 endif
 150
 151 .PHONY: install
 152
 153 install:: all
 154         install -d -m 755 "$(DESTDIR)$(bindir)"
 155         install tg "$(DESTDIR)$(bindir)"
 156         install -d -m 755 "$(DESTDIR)$(cmddir)"
 157         install $(commands_out) $(utils_out) "$(DESTDIR)$(cmddir)"
 158         install -d -m 755 "$(DESTDIR)$(hooksdir)"
 159         install $(hooks_out) "$(DESTDIR)$(hooksdir)"
 160         install -d -m 755 "$(DESTDIR)$(sharedir)"
 161         install -m 644 $(help_out) tg-tg.txt "$(DESTDIR)$(sharedir)"
 162         install -m 644 leaves.awk "$(DESTDIR)$(sharedir)"
 163
 164 .PHONY: install-html
 165
 166 install-html:: html
 167         install -d -m 755 "$(DESTDIR)$(sharedir)"
 168         install -m 644 topgit.html $(html_out) "$(DESTDIR)$(sharedir)"
 169
 170 .PHONY: clean
 171
 172 clean::
 173         rm -f tg $(commands_out) $(utils_out) $(hooks_out) $(helpers_out) $(help_out) topgit.html $(html_out)
 174         rm -f TG-BUILD-SETTINGS
 175         rm -rf bin-wrappers
 176         +$(Q)$(MAKE) -C t clean
 177
 178 define BUILD_SETTINGS
 179 TG_INST_BINDIR='$(bindir)'
 180 TG_INST_CMDDIR='$(cmddir)'
 181 TG_INST_HOOKSDIR='$(hooksdir)'
 182 TG_INST_SHAREDIR='$(sharedir)'
 183 SHELL_PATH='$(SHELL_PATH)'
 184 TG_VERSION='$(version)'
 185 TG_GIT_MINIMUM_VERSION='$(GIT_MINIMUM_VERSION)'
 186 endef
 187 export BUILD_SETTINGS
 188
 189 TG-BUILD-SETTINGS: FORCE
 190         $(Q)if test x"$$BUILD_SETTINGS" != x"`cat $@ 2>/dev/null`"; then \
 191                 echo "* new build settings"; \
 192                 echo "$$BUILD_SETTINGS" >$@; \
 193         fi
 194
 195 test:: all
 196         +$(Q)$(MAKE) -C t all