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 version := $(shell test -d .git && git describe --match "topgit-[0-9]*" --abbrev=4 --dirty 2>/dev/null | sed -e 's/^topgit-//' )
  41
  42 -include config.mak
  43 SHELL = $(SHELL_PATH)
  44
  45 ifneq ($(strip $(version)),)
  46         version_arg = -e s/TG_VERSION=.*/TG_VERSION=$(version)/
  47 endif
  48
  49 .PHONY: FORCE
  50
  51 all::   shell_compatibility_test precheck $(commands_out) $(utils_out) $(hooks_out) $(helpers_out) bin-wrappers/tg $(help_out) tg-tg.txt
  52
  53 please_set_SHELL_PATH_to_a_more_modern_shell:
  54         @$$(:)
  55
  56 shell_compatibility_test: please_set_SHELL_PATH_to_a_more_modern_shell
  57
  58 define POUND
  59 #
  60 endef
  61 AT = @
  62 Q_ = $(AT)
  63 Q_0 = $(Q_)
  64 Q = $(Q_$(V))
  65 QSED_ = $(AT)echo "[SED] $@" &&
  66 QSED_0 = $(QSED_)
  67 QSED = $(QSED_$(V))
  68 QHELP_ = $(AT)CMD="$@" CMD="$${CMD$(POUND)tg-}" && echo "[HELP] $${CMD%.txt}" &&
  69 QHELP_0 = $(QHELP_)
  70 QHELP = $(QHELP_$(V))
  71 QHELPTG_ = $(AT)echo "[HELP] tg" &&
  72 QHELPTG_0 = $(QHELPTG_)
  73 QHELPTG = $(QHELPTG_$(V))
  74 QHTML_ = $(AT)CMD="$@" CMD="$${CMD$(POUND)tg-}" && echo "[HTML] $${CMD%.html}" &&
  75 QHTML_0 = $(QHTML_)
  76 QHTML = $(QHTML_$(V))
  77 QHTMLTOPGIT_ = $(AT)echo "[HTML] topgit" &&
  78 QHTMLTOPGIT_0 = $(QHTMLTOPGIT_)
  79 QHTMLTOPGIT = $(QHTMLTOPGIT_$(V))
  80 QWRAPPER_ = $(AT)echo "[WRAPPER] $@" &&
  81 QWRAPPER_0 = $(QWRAPPER_)
  82 QWRAPPER = $(QWRAPPER_$(V))
  83
  84 tg $(commands_out) $(utils_out) $(hooks_out) $(helpers_out): % : %.sh Makefile TG-BUILD-SETTINGS
  85         $(QSED)sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
  86                 -e 's#@cmddir@#$(cmddir)#g;' \
  87                 -e 's#@hooksdir@#$(hooksdir)#g' \
  88                 -e 's#@bindir@#$(bindir)#g' \
  89                 -e 's#@sharedir@#$(sharedir)#g' \
  90                 -e 's#@mingitver@#$(GIT_MINIMUM_VERSION)#g' \
  91                 -e 's#@tgsthelpusage@#$(TG_STATUS_HELP_USAGE)#g' \
  92                 -e 's|@SHELL_PATH@|$(SHELL_PATH_SQ)|' \
  93                 $(version_arg) \
  94                 $@.sh >$@+ && \
  95         chmod +x $@+ && \
  96         mv $@+ $@
  97
  98 bin-wrappers/tg : $(commands_out) $(utils_out) $(hooks_out) $(helpers_out) tg
  99         $(QWRAPPER){ [ -d bin-wrappers ] || mkdir bin-wrappers; } && \
 100         echo '#!$(SHELL_PATH_SQ)' >"$@" && \
 101         curdir="$$(pwd -P)" && \
 102         echo "TG_INST_CMDDIR='$$curdir' && export TG_INST_CMDDIR" >>"$@" && \
 103         echo "TG_INST_SHAREDIR='$$curdir' && export TG_INST_SHAREDIR" >>"$@" && \
 104         echo "TG_INST_HOOKSDIR='$$curdir' && export TG_INST_HOOKSDIR" >>"$@" && \
 105         echo "[ -n \"\$$tg__include\" ] || exec '$$curdir/tg' \"\$$@\" || exit" >>"$@" && \
 106         echo ". '$$curdir/tg'" >>"$@" && \
 107         chmod a+x "$@"
 108
 109 $(help_out): README create-help.sh
 110         $(QHELP)CMD="$@" CMD="$${CMD#tg-}" CMD="$${CMD%.txt}" && \
 111         $(SHELL_PATH) ./create-help.sh "$$CMD"
 112
 113 .PHONY: doc install-doc html
 114
 115 doc:: html
 116
 117 install-doc:: install-html
 118
 119 html:: topgit.html $(html_out)
 120
 121 tg-tg.txt: README create-html-usage.pl $(commands_in)
 122         $(QHELPTG)perl ./create-html-usage.pl --text < README > $@
 123
 124 topgit.html: README create-html-usage.pl $(commands_in)
 125         $(QHTMLTOPGIT)perl ./create-html-usage.pl < README | rst2html.py - $@
 126
 127 $(html_out): create-html.sh
 128         $(QHTML)CMD="$@" CMD="$${CMD#tg-}" CMD="$${CMD%.html}" && \
 129         $(SHELL_PATH) ./create-html.sh "$$CMD"
 130
 131 .PHONY: precheck
 132
 133 precheck:: tg
 134 ifeq ($(DESTDIR),)
 135         $(Q)./$+ precheck
 136 else
 137         $(Q)echo skipping precheck because DESTDIR is set
 138 endif
 139
 140 .PHONY: install
 141
 142 install:: all
 143         install -d -m 755 "$(DESTDIR)$(bindir)"
 144         install tg "$(DESTDIR)$(bindir)"
 145         install -d -m 755 "$(DESTDIR)$(cmddir)"
 146         install $(commands_out) $(utils_out) "$(DESTDIR)$(cmddir)"
 147         install -d -m 755 "$(DESTDIR)$(hooksdir)"
 148         install $(hooks_out) "$(DESTDIR)$(hooksdir)"
 149         install -d -m 755 "$(DESTDIR)$(sharedir)"
 150         install -m 644 $(help_out) tg-tg.txt "$(DESTDIR)$(sharedir)"
 151         install -m 644 leaves.awk "$(DESTDIR)$(sharedir)"
 152
 153 .PHONY: install-html
 154
 155 install-html:: html
 156         install -d -m 755 "$(DESTDIR)$(sharedir)"
 157         install -m 644 topgit.html $(html_out) "$(DESTDIR)$(sharedir)"
 158
 159 .PHONY: clean
 160
 161 clean::
 162         rm -f tg $(commands_out) $(utils_out) $(hooks_out) $(helpers_out) $(help_out) topgit.html $(html_out)
 163         rm -f TG-BUILD-SETTINGS
 164         rm -rf bin-wrappers
 165         +$(Q)$(MAKE) -C t clean
 166
 167 define BUILD_SETTINGS
 168 TG_INST_BINDIR='$(bindir)'
 169 TG_INST_CMDDIR='$(cmddir)'
 170 TG_INST_HOOKSDIR='$(hooksdir)'
 171 TG_INST_SHAREDIR='$(sharedir)'
 172 SHELL_PATH='$(SHELL_PATH)'
 173 TG_VERSION='$(version)'
 174 TG_GIT_MINIMUM_VERSION='$(GIT_MINIMUM_VERSION)'
 175 endef
 176 export BUILD_SETTINGS
 177
 178 TG-BUILD-SETTINGS: FORCE
 179         $(Q)if test x"$$BUILD_SETTINGS" != x"`cat $@ 2>/dev/null`"; then \
 180                 echo "* new build settings"; \
 181                 echo "$$BUILD_SETTINGS" >$@; \
 182         fi
 183
 184 test:: all
 185         +$(Q)$(MAKE) -C t all