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Date: Tue, 8 Oct 2024 15:04:29 +0100
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Reply-To: phillip.wood@dunelm.org.uk
Subject: Re: [RFC PATCH 15/21] Makefile: consistently use @PLACEHOLDER@ to
 substitute
To: Patrick Steinhardt <ps@pks.im>, git@vger.kernel.org
Cc: Eli Schwartz <eschwartz@gentoo.org>
References: <cover.1727881164.git.ps@pks.im>
 <6aaf3263228eefab2478e744197f7d4b651795da.1727881164.git.ps@pks.im>
From: Phillip Wood <phillip.wood123@gmail.com>
Content-Language: en-US
In-Reply-To: <6aaf3263228eefab2478e744197f7d4b651795da.1727881164.git.ps@pks.im>
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Hi Patrick

On 02/10/2024 16:16, Patrick Steinhardt wrote:
> We have a bunch of placeholders in our scripts that we replace at build
> time, for example by using sed(1). These placeholders come in three
> different formats: @PLACEHOLDER@, @@PLACEHOLDER@@ and ++PLACEHOLDER++.

I agree that it's a good idea to stanardise on a single format here.

> Next to being inconsistent it also creates a bit of a problem with
> CMake, which only supports the first syntax.

I'm a bit confused - is this referring to CMake's "configure_file" command?

> To work around that we
> instead manually replace such strings via string operations, which is
> both a hassle and also removes safeguards that CMake has to verify that
> we didn't forget to replace any placeholders. Besides that, other build
> systems like Meson also support the CMake syntax.
> 
> Unify our codebase to consistently use the syntax supported by such
> build systems.

Sounds good!

Phillip

> Signed-off-by: Patrick Steinhardt <ps@pks.im>
> ---
>   Makefile                                      | 42 +++++++++---------
>   configure.ac                                  |  2 +-
>   contrib/buildsystems/CMakeLists.txt           | 34 +++++++-------
>   generate-perl.sh                              |  2 +-
>   git-cvsserver.perl                            |  2 +-
>   git-instaweb.sh                               |  8 ++--
>   git-request-pull.sh                           |  2 +-
>   git-send-email.perl                           |  2 +-
>   git-sh-i18n.sh                                |  6 +--
>   git-sh-setup.sh                               |  6 +--
>   git-svn.perl                                  |  2 +-
>   gitk-git/po/vi.po                             |  2 +-
>   gitweb/Makefile                               | 44 +++++++++----------
>   gitweb/gitweb.perl                            | 44 +++++++++----------
>   perl/Git/I18N.pm                              |  6 +--
>   perl/Git/LoadCPAN.pm                          |  6 +--
>   .../header_templates/fixed_prefix.template.pl |  2 +-
>   .../runtime_prefix.template.pl                |  8 ++--
>   unimplemented.sh                              |  2 +-
>   wrap-for-bin.sh                               | 18 ++++----
>   20 files changed, 120 insertions(+), 120 deletions(-)
> 
> diff --git a/Makefile b/Makefile
> index e92ecd0c51..91e64c1222 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -1552,10 +1552,10 @@ endif
>   
>   ifdef SANE_TOOL_PATH
>   SANE_TOOL_PATH_SQ = $(subst ','\'',$(SANE_TOOL_PATH))
> -BROKEN_PATH_FIX = 's|^\# @@BROKEN_PATH_FIX@@$$|git_broken_path_fix "$(SANE_TOOL_PATH_SQ)"|'
> +BROKEN_PATH_FIX = 's|^\# @BROKEN_PATH_FIX@$$|git_broken_path_fix "$(SANE_TOOL_PATH_SQ)"|'
>   PATH := $(SANE_TOOL_PATH):${PATH}
>   else
> -BROKEN_PATH_FIX = '/^\# @@BROKEN_PATH_FIX@@$$/d'
> +BROKEN_PATH_FIX = '/^\# @BROKEN_PATH_FIX@$$/d'
>   endif
>   
>   ifeq (,$(HOST_CPU))
> @@ -2524,13 +2524,13 @@ GIT-SCRIPT-DEFINES: FORCE
>   define cmd_munge_script
>   sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
>       -e 's|@SHELL_PATH@|$(SHELL_PATH_SQ)|' \
> -    -e 's|@@DIFF@@|$(DIFF_SQ)|' \
> -    -e 's|@@LOCALEDIR@@|$(localedir_SQ)|g' \
> -    -e 's/@@USE_GETTEXT_SCHEME@@/$(USE_GETTEXT_SCHEME)/g' \
> +    -e 's|@DIFF@|$(DIFF_SQ)|' \
> +    -e 's|@LOCALEDIR@|$(localedir_SQ)|g' \
> +    -e 's/@USE_GETTEXT_SCHEME@/$(USE_GETTEXT_SCHEME)/g' \
>       -e $(BROKEN_PATH_FIX) \
> -    -e 's|@@GITWEBDIR@@|$(gitwebdir_SQ)|g' \
> -    -e 's|@@PERL@@|$(PERL_PATH_SQ)|g' \
> -    -e 's|@@PAGER_ENV@@|$(PAGER_ENV_SQ)|g' \
> +    -e 's|@GITWEBDIR@|$(gitwebdir_SQ)|g' \
> +    -e 's|@PERL@|$(PERL_PATH_SQ)|g' \
> +    -e 's|@PAGER_ENV@|$(PAGER_ENV_SQ)|g' \
>       $@.sh >$@+
>   endef
>   
> @@ -2597,11 +2597,11 @@ GIT-PERL-HEADER: $(PERL_HEADER_TEMPLATE) GIT-PERL-DEFINES Makefile
>   	INSTLIBDIR='$(perllibdir_SQ)' && \
>   	INSTLIBDIR_EXTRA='$(PERLLIB_EXTRA_SQ)' && \
>   	INSTLIBDIR="$$INSTLIBDIR$${INSTLIBDIR_EXTRA:+:$$INSTLIBDIR_EXTRA}" && \
> -	sed -e 's=@@PATHSEP@@=$(pathsep)=g' \
> -	    -e "s=@@INSTLIBDIR@@=$$INSTLIBDIR=g" \
> -	    -e 's=@@PERLLIBDIR_REL@@=$(perllibdir_relative_SQ)=g' \
> -	    -e 's=@@GITEXECDIR_REL@@=$(gitexecdir_relative_SQ)=g' \
> -	    -e 's=@@LOCALEDIR_REL@@=$(localedir_relative_SQ)=g' \
> +	sed -e 's=@PATHSEP@=$(pathsep)=g' \
> +	    -e "s=@INSTLIBDIR@=$$INSTLIBDIR=g" \
> +	    -e 's=@PERLLIBDIR_REL@=$(perllibdir_relative_SQ)=g' \
> +	    -e 's=@GITEXECDIR_REL@=$(gitexecdir_relative_SQ)=g' \
> +	    -e 's=@LOCALEDIR_REL@=$(localedir_relative_SQ)=g' \
>   	    $< >$@+ && \
>   	mv $@+ $@
>   
> @@ -2617,7 +2617,7 @@ else # NO_PERL
>   $(SCRIPT_PERL_GEN) git-instaweb: % : unimplemented.sh
>   	$(QUIET_GEN) \
>   	sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
> -	    -e 's|@@REASON@@|NO_PERL=$(NO_PERL)|g' \
> +	    -e 's|@REASON@|NO_PERL=$(NO_PERL)|g' \
>   	    unimplemented.sh >$@+ && \
>   	chmod +x $@+ && \
>   	mv $@+ $@
> @@ -2638,13 +2638,13 @@ else # NO_PYTHON
>   $(SCRIPT_PYTHON_GEN): % : unimplemented.sh
>   	$(QUIET_GEN) \
>   	sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
> -	    -e 's|@@REASON@@|NO_PYTHON=$(NO_PYTHON)|g' \
> +	    -e 's|@REASON@|NO_PYTHON=$(NO_PYTHON)|g' \
>   	    unimplemented.sh >$@+ && \
>   	chmod +x $@+ && \
>   	mv $@+ $@
>   endif # NO_PYTHON
>   
> -CONFIGURE_RECIPE = sed -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \
> +CONFIGURE_RECIPE = sed -e 's/@GIT_VERSION@/$(GIT_VERSION)/g' \
>   			configure.ac >configure.ac+ && \
>   		   autoconf -o configure configure.ac+ && \
>   		   $(RM) configure.ac+
> @@ -3073,9 +3073,9 @@ endif
>   perl/build/lib/%.pm: perl/%.pm GIT-PERL-DEFINES
>   	$(call mkdir_p_parent_template)
>   	$(QUIET_GEN) \
> -	sed -e 's|@@LOCALEDIR@@|$(perl_localedir_SQ)|g' \
> -	    -e 's|@@NO_GETTEXT@@|$(NO_GETTEXT_SQ)|g' \
> -	    -e 's|@@NO_PERL_CPAN_FALLBACKS@@|$(NO_PERL_CPAN_FALLBACKS_SQ)|g' \
> +	sed -e 's|@LOCALEDIR@|$(perl_localedir_SQ)|g' \
> +	    -e 's|@NO_GETTEXT@|$(NO_GETTEXT_SQ)|g' \
> +	    -e 's|@NO_PERL_CPAN_FALLBACKS@|$(NO_PERL_CPAN_FALLBACKS_SQ)|g' \
>   	< $< > $@
>   
>   perl/build/man/man3/Git.3pm: perl/Git.pm
> @@ -3192,8 +3192,8 @@ all:: $(TEST_PROGRAMS) $(test_bindir_programs) $(UNIT_TEST_PROGS) $(CLAR_TEST_PR
>   bin-wrappers/%: wrap-for-bin.sh
>   	$(call mkdir_p_parent_template)
>   	$(QUIET_GEN)sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
> -	     -e 's|@@BUILD_DIR@@|$(shell pwd)|' \
> -	     -e 's|@@PROG@@|$(patsubst test-%,t/helper/test-%,$(@F))$(if $(filter-out $(BINDIR_PROGRAMS_NO_X),$(@F)),$(X),)|' < $< > $@ && \
> +	     -e 's|@BUILD_DIR@|$(shell pwd)|' \
> +	     -e 's|@PROG@|$(patsubst test-%,t/helper/test-%,$(@F))$(if $(filter-out $(BINDIR_PROGRAMS_NO_X),$(@F)),$(X),)|' < $< > $@ && \
>   	chmod +x $@
>   
>   # GNU make supports exporting all variables by "export" without parameters.
> diff --git a/configure.ac b/configure.ac
> index d1a96da14e..5923edc44a 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -142,7 +142,7 @@ fi
>   ## Configure body starts here.
>   
>   AC_PREREQ(2.59)
> -AC_INIT([git], [@@GIT_VERSION@@], [git@vger.kernel.org])
> +AC_INIT([git], [@GIT_VERSION@], [git@vger.kernel.org])
>   
>   AC_CONFIG_SRCDIR([git.c])
>   
> diff --git a/contrib/buildsystems/CMakeLists.txt b/contrib/buildsystems/CMakeLists.txt
> index 2ba15155b3..bf029b9428 100644
> --- a/contrib/buildsystems/CMakeLists.txt
> +++ b/contrib/buildsystems/CMakeLists.txt
> @@ -833,14 +833,14 @@ set(git_shell_scripts
>   foreach(script ${git_shell_scripts})
>   	file(STRINGS ${CMAKE_SOURCE_DIR}/${script}.sh content NEWLINE_CONSUME)
>   	string(REPLACE "@SHELL_PATH@" "${SHELL_PATH}" content "${content}")
> -	string(REPLACE "@@DIFF@@" "diff" content "${content}")
> +	string(REPLACE "@DIFF@" "diff" content "${content}")
>   	string(REPLACE "@LOCALEDIR@" "${LOCALEDIR}" content "${content}")
>   	string(REPLACE "@GITWEBDIR@" "${GITWEBDIR}" content "${content}")
> -	string(REPLACE "@@NO_CURL@@" "" content "${content}")
> -	string(REPLACE "@@USE_GETTEXT_SCHEME@@" "" content "${content}")
> -	string(REPLACE "# @@BROKEN_PATH_FIX@@" "" content "${content}")
> -	string(REPLACE "@@PERL@@" "${PERL_PATH}" content "${content}")
> -	string(REPLACE "@@PAGER_ENV@@" "LESS=FRX LV=-c" content "${content}")
> +	string(REPLACE "@NO_CURL@" "" content "${content}")
> +	string(REPLACE "@USE_GETTEXT_SCHEME@" "" content "${content}")
> +	string(REPLACE "# @BROKEN_PATH_FIX@" "" content "${content}")
> +	string(REPLACE "@PERL@" "${PERL_PATH}" content "${content}")
> +	string(REPLACE "@PAGER_ENV@" "LESS=FRX LV=-c" content "${content}")
>   	file(WRITE ${CMAKE_BINARY_DIR}/${script} ${content})
>   endforeach()
>   
> @@ -849,13 +849,13 @@ parse_makefile_for_scripts(git_perl_scripts "SCRIPT_PERL" ".perl")
>   
>   #create perl header
>   file(STRINGS ${CMAKE_SOURCE_DIR}/perl/header_templates/fixed_prefix.template.pl perl_header )
> -string(REPLACE "@@PATHSEP@@" ":" perl_header "${perl_header}")
> -string(REPLACE "@@INSTLIBDIR@@" "${INSTLIBDIR}" perl_header "${perl_header}")
> +string(REPLACE "@PATHSEP@" ":" perl_header "${perl_header}")
> +string(REPLACE "@INSTLIBDIR@" "${INSTLIBDIR}" perl_header "${perl_header}")
>   
>   foreach(script ${git_perl_scripts})
>   	file(STRINGS ${CMAKE_SOURCE_DIR}/${script}.perl content NEWLINE_CONSUME)
>   	string(REPLACE "#!/usr/bin/perl" "#!/usr/bin/perl\n${perl_header}\n" content "${content}")
> -	string(REPLACE "@@GIT_VERSION@@" "${PROJECT_VERSION}" content "${content}")
> +	string(REPLACE "@GIT_VERSION@" "${PROJECT_VERSION}" content "${content}")
>   	file(WRITE ${CMAKE_BINARY_DIR}/${script} ${content})
>   endforeach()
>   
> @@ -870,8 +870,8 @@ file(GLOB_RECURSE perl_modules "${CMAKE_SOURCE_DIR}/perl/*.pm")
>   foreach(pm ${perl_modules})
>   	string(REPLACE "${CMAKE_SOURCE_DIR}/perl/" "" file_path ${pm})
>   	file(STRINGS ${pm} content NEWLINE_CONSUME)
> -	string(REPLACE "@@LOCALEDIR@@" "${LOCALEDIR}" content "${content}")
> -	string(REPLACE "@@NO_PERL_CPAN_FALLBACKS@@" "" content "${content}")
> +	string(REPLACE "@LOCALEDIR@" "${LOCALEDIR}" content "${content}")
> +	string(REPLACE "@NO_PERL_CPAN_FALLBACKS@" "" content "${content}")
>   	file(WRITE ${CMAKE_BINARY_DIR}/perl/build/lib/${file_path} ${content})
>   #test-lib.sh requires perl/build/lib to be the build directory of perl modules
>   endforeach()
> @@ -1079,21 +1079,21 @@ set(wrapper_test_scripts
>   
>   foreach(script ${wrapper_scripts})
>   	file(STRINGS ${CMAKE_SOURCE_DIR}/wrap-for-bin.sh content NEWLINE_CONSUME)
> -	string(REPLACE "@@BUILD_DIR@@" "${CMAKE_BINARY_DIR}" content "${content}")
> -	string(REPLACE "@@PROG@@" "${script}${EXE_EXTENSION}" content "${content}")
> +	string(REPLACE "@BUILD_DIR@" "${CMAKE_BINARY_DIR}" content "${content}")
> +	string(REPLACE "@PROG@" "${script}${EXE_EXTENSION}" content "${content}")
>   	file(WRITE ${CMAKE_BINARY_DIR}/bin-wrappers/${script} ${content})
>   endforeach()
>   
>   foreach(script ${wrapper_test_scripts})
>   	file(STRINGS ${CMAKE_SOURCE_DIR}/wrap-for-bin.sh content NEWLINE_CONSUME)
> -	string(REPLACE "@@BUILD_DIR@@" "${CMAKE_BINARY_DIR}" content "${content}")
> -	string(REPLACE "@@PROG@@" "t/helper/${script}${EXE_EXTENSION}" content "${content}")
> +	string(REPLACE "@BUILD_DIR@" "${CMAKE_BINARY_DIR}" content "${content}")
> +	string(REPLACE "@PROG@" "t/helper/${script}${EXE_EXTENSION}" content "${content}")
>   	file(WRITE ${CMAKE_BINARY_DIR}/bin-wrappers/${script} ${content})
>   endforeach()
>   
>   file(STRINGS ${CMAKE_SOURCE_DIR}/wrap-for-bin.sh content NEWLINE_CONSUME)
> -string(REPLACE "@@BUILD_DIR@@" "${CMAKE_BINARY_DIR}" content "${content}")
> -string(REPLACE "@@PROG@@" "git-cvsserver" content "${content}")
> +string(REPLACE "@BUILD_DIR@" "${CMAKE_BINARY_DIR}" content "${content}")
> +string(REPLACE "@PROG@" "git-cvsserver" content "${content}")
>   file(WRITE ${CMAKE_BINARY_DIR}/bin-wrappers/git-cvsserver ${content})
>   
>   #options for configuring test options
> diff --git a/generate-perl.sh b/generate-perl.sh
> index b9e04d6f42..41d78da029 100755
> --- a/generate-perl.sh
> +++ b/generate-perl.sh
> @@ -17,6 +17,6 @@ sed -e '1{' \
>       -e "	r $PERL_HEADER" \
>       -e '	G' \
>       -e '}' \
> -    -e "s/@@GIT_VERSION@@/$GIT_VERSION/g" \
> +    -e "s/@GIT_VERSION@/$GIT_VERSION/g" \
>       "$PERL_SCRIPT" >"$OUT"
>   chmod a+x "$OUT"
> diff --git a/git-cvsserver.perl b/git-cvsserver.perl
> index 124f598bdc..70ae7cb8e4 100755
> --- a/git-cvsserver.perl
> +++ b/git-cvsserver.perl
> @@ -26,7 +26,7 @@
>   use File::Basename;
>   use Getopt::Long qw(:config require_order no_ignore_case);
>   
> -my $VERSION = '@@GIT_VERSION@@';
> +my $VERSION = '@GIT_VERSION@';
>   
>   my $log = GITCVS::log->new();
>   my $cfg;
> diff --git a/git-instaweb.sh b/git-instaweb.sh
> index 8dbe21d588..c8efb1205a 100755
> --- a/git-instaweb.sh
> +++ b/git-instaweb.sh
> @@ -3,7 +3,7 @@
>   # Copyright (c) 2006 Eric Wong
>   #
>   
> -PERL='@@PERL@@'
> +PERL='@PERL@'
>   OPTIONS_KEEPDASHDASH=
>   OPTIONS_STUCKLONG=
>   OPTIONS_SPEC="\
> @@ -38,8 +38,8 @@ conf="$GIT_DIR/gitweb/httpd.conf"
>   # if installed, it doesn't need further configuration (module_path)
>   test -z "$httpd" && httpd='lighttpd -f'
>   
> -# Default is @@GITWEBDIR@@
> -test -z "$root" && root='@@GITWEBDIR@@'
> +# Default is @GITWEBDIR@
> +test -z "$root" && root='@GITWEBDIR@'
>   
>   # any untaken local port will do...
>   test -z "$port" && port=1234
> @@ -716,7 +716,7 @@ EOF
>   
>   gitweb_conf() {
>   	cat > "$fqgitdir/gitweb/gitweb_config.perl" <<EOF
> -#!@@PERL@@
> +#!@PERL@
>   our \$projectroot = "$(dirname "$fqgitdir")";
>   our \$git_temp = "$fqgitdir/gitweb/tmp";
>   our \$projects_list = \$projectroot;
> diff --git a/git-request-pull.sh b/git-request-pull.sh
> index 01640a044b..10c88639e2 100755
> --- a/git-request-pull.sh
> +++ b/git-request-pull.sh
> @@ -112,7 +112,7 @@ find_matching_ref='
>   	}
>   '
>   
> -set fnord $(git ls-remote "$url" | @@PERL@@ -e "$find_matching_ref" "${remote:-HEAD}" "$headrev")
> +set fnord $(git ls-remote "$url" | @PERL@ -e "$find_matching_ref" "${remote:-HEAD}" "$headrev")
>   remote_sha1=$2
>   ref=$3
>   
> diff --git a/git-send-email.perl b/git-send-email.perl
> index c835d4c11a..02805c43e5 100755
> --- a/git-send-email.perl
> +++ b/git-send-email.perl
> @@ -1501,7 +1501,7 @@ sub gen_header {
>   	@recipients = unique_email_list(@recipients,@cc,@initial_bcc);
>   	@recipients = (map { extract_valid_address_or_die($_) } @recipients);
>   	my $date = format_2822_time($time++);
> -	my $gitversion = '@@GIT_VERSION@@';
> +	my $gitversion = '@GIT_VERSION@';
>   	if ($gitversion =~ m/..GIT_VERSION../) {
>   	    $gitversion = Git::version();
>   	}
> diff --git a/git-sh-i18n.sh b/git-sh-i18n.sh
> index a15c0620db..ae4b2d6ba9 100644
> --- a/git-sh-i18n.sh
> +++ b/git-sh-i18n.sh
> @@ -9,7 +9,7 @@ TEXTDOMAIN=git
>   export TEXTDOMAIN
>   if test -z "$GIT_TEXTDOMAINDIR"
>   then
> -	TEXTDOMAINDIR="@@LOCALEDIR@@"
> +	TEXTDOMAINDIR="@LOCALEDIR@"
>   else
>   	TEXTDOMAINDIR="$GIT_TEXTDOMAINDIR"
>   fi
> @@ -17,9 +17,9 @@ export TEXTDOMAINDIR
>   
>   # First decide what scheme to use...
>   GIT_INTERNAL_GETTEXT_SH_SCHEME=fallthrough
> -if test -n "@@USE_GETTEXT_SCHEME@@"
> +if test -n "@USE_GETTEXT_SCHEME@"
>   then
> -	GIT_INTERNAL_GETTEXT_SH_SCHEME="@@USE_GETTEXT_SCHEME@@"
> +	GIT_INTERNAL_GETTEXT_SH_SCHEME="@USE_GETTEXT_SCHEME@"
>   elif test -n "$GIT_INTERNAL_GETTEXT_TEST_FALLBACKS"
>   then
>   	: no probing necessary
> diff --git a/git-sh-setup.sh b/git-sh-setup.sh
> index ce273fe0e4..19aef72ec2 100644
> --- a/git-sh-setup.sh
> +++ b/git-sh-setup.sh
> @@ -41,7 +41,7 @@ git_broken_path_fix () {
>   	esac
>   }
>   
> -# @@BROKEN_PATH_FIX@@
> +# @BROKEN_PATH_FIX@
>   
>   # Source git-sh-i18n for gettext support.
>   . "$(git --exec-path)/git-sh-i18n"
> @@ -154,7 +154,7 @@ git_pager() {
>   	else
>   		GIT_PAGER=cat
>   	fi
> -	for vardef in @@PAGER_ENV@@
> +	for vardef in @PAGER_ENV@
>   	do
>   		var=${vardef%%=*}
>   		eval ": \"\${$vardef}\" && export $var"
> @@ -280,7 +280,7 @@ get_author_ident_from_commit () {
>   # remove lines from $1 that are not in $2, leaving only common lines.
>   create_virtual_base() {
>   	sz0=$(wc -c <"$1")
> -	@@DIFF@@ -u -La/"$1" -Lb/"$1" "$1" "$2" | git apply --no-add
> +	@DIFF@ -u -La/"$1" -Lb/"$1" "$1" "$2" | git apply --no-add
>   	sz1=$(wc -c <"$1")
>   
>   	# If we do not have enough common material, it is not
> diff --git a/git-svn.perl b/git-svn.perl
> index 01e7a70de1..dcf65cf1d1 100755
> --- a/git-svn.perl
> +++ b/git-svn.perl
> @@ -9,7 +9,7 @@
>   		$_revision $_repository
>   		$_q $_authors $_authors_prog %users/;
>   $AUTHOR = 'Eric Wong <normalperson@yhbt.net>';
> -$VERSION = '@@GIT_VERSION@@';
> +$VERSION = '@GIT_VERSION@';
>   
>   use Carp qw/croak/;
>   use File::Basename qw/dirname basename/;
> diff --git a/gitk-git/po/vi.po b/gitk-git/po/vi.po
> index 5967498660..184430dcde 100644
> --- a/gitk-git/po/vi.po
> +++ b/gitk-git/po/vi.po
> @@ -5,7 +5,7 @@
>   #
>   msgid ""
>   msgstr ""
> -"Project-Id-Version: gitk @@GIT_VERSION@@\n"
> +"Project-Id-Version: gitk @GIT_VERSION@\n"
>   "Report-Msgid-Bugs-To: \n"
>   "POT-Creation-Date: 2015-05-17 14:32+1000\n"
>   "PO-Revision-Date: 2015-09-15 07:33+0700\n"
> diff --git a/gitweb/Makefile b/gitweb/Makefile
> index 3b68ab2d67..164c8d5375 100644
> --- a/gitweb/Makefile
> +++ b/gitweb/Makefile
> @@ -79,28 +79,28 @@ GITWEB_JSLIB_FILES += static/js/blame_incremental.js
>   
>   
>   GITWEB_REPLACE = \
> -	-e 's|++GIT_VERSION++|$(GIT_VERSION)|g' \
> -	-e 's|++GIT_BINDIR++|$(bindir)|g' \
> -	-e 's|++GITWEB_CONFIG++|$(GITWEB_CONFIG)|g' \
> -	-e 's|++GITWEB_CONFIG_SYSTEM++|$(GITWEB_CONFIG_SYSTEM)|g' \
> -	-e 's|++GITWEB_CONFIG_COMMON++|$(GITWEB_CONFIG_COMMON)|g' \
> -	-e 's|++GITWEB_HOME_LINK_STR++|$(GITWEB_HOME_LINK_STR)|g' \
> -	-e 's|++GITWEB_SITENAME++|$(GITWEB_SITENAME)|g' \
> -	-e 's|++GITWEB_PROJECTROOT++|$(GITWEB_PROJECTROOT)|g' \
> -	-e 's|"++GITWEB_PROJECT_MAXDEPTH++"|$(GITWEB_PROJECT_MAXDEPTH)|g' \
> -	-e 's|++GITWEB_EXPORT_OK++|$(GITWEB_EXPORT_OK)|g' \
> -	-e 's|++GITWEB_STRICT_EXPORT++|$(GITWEB_STRICT_EXPORT)|g' \
> -	-e 's|++GITWEB_BASE_URL++|$(GITWEB_BASE_URL)|g' \
> -	-e 's|++GITWEB_LIST++|$(GITWEB_LIST)|g' \
> -	-e 's|++GITWEB_HOMETEXT++|$(GITWEB_HOMETEXT)|g' \
> -	-e 's|++GITWEB_CSS++|$(GITWEB_CSS)|g' \
> -	-e 's|++GITWEB_LOGO++|$(GITWEB_LOGO)|g' \
> -	-e 's|++GITWEB_FAVICON++|$(GITWEB_FAVICON)|g' \
> -	-e 's|++GITWEB_JS++|$(GITWEB_JS)|g' \
> -	-e 's|++GITWEB_SITE_HTML_HEAD_STRING++|$(GITWEB_SITE_HTML_HEAD_STRING)|g' \
> -	-e 's|++GITWEB_SITE_HEADER++|$(GITWEB_SITE_HEADER)|g' \
> -	-e 's|++GITWEB_SITE_FOOTER++|$(GITWEB_SITE_FOOTER)|g' \
> -	-e 's|++HIGHLIGHT_BIN++|$(HIGHLIGHT_BIN)|g'
> +	-e 's|@GIT_VERSION@|$(GIT_VERSION)|g' \
> +	-e 's|@GIT_BINDIR@|$(bindir)|g' \
> +	-e 's|@GITWEB_CONFIG@|$(GITWEB_CONFIG)|g' \
> +	-e 's|@GITWEB_CONFIG_SYSTEM@|$(GITWEB_CONFIG_SYSTEM)|g' \
> +	-e 's|@GITWEB_CONFIG_COMMON@|$(GITWEB_CONFIG_COMMON)|g' \
> +	-e 's|@GITWEB_HOME_LINK_STR@|$(GITWEB_HOME_LINK_STR)|g' \
> +	-e 's|@GITWEB_SITENAME@|$(GITWEB_SITENAME)|g' \
> +	-e 's|@GITWEB_PROJECTROOT@|$(GITWEB_PROJECTROOT)|g' \
> +	-e 's|"@GITWEB_PROJECT_MAXDEPTH@"|$(GITWEB_PROJECT_MAXDEPTH)|g' \
> +	-e 's|@GITWEB_EXPORT_OK@|$(GITWEB_EXPORT_OK)|g' \
> +	-e 's|@GITWEB_STRICT_EXPORT@|$(GITWEB_STRICT_EXPORT)|g' \
> +	-e 's|@GITWEB_BASE_URL@|$(GITWEB_BASE_URL)|g' \
> +	-e 's|@GITWEB_LIST@|$(GITWEB_LIST)|g' \
> +	-e 's|@GITWEB_HOMETEXT@|$(GITWEB_HOMETEXT)|g' \
> +	-e 's|@GITWEB_CSS@|$(GITWEB_CSS)|g' \
> +	-e 's|@GITWEB_LOGO@|$(GITWEB_LOGO)|g' \
> +	-e 's|@GITWEB_FAVICON@|$(GITWEB_FAVICON)|g' \
> +	-e 's|@GITWEB_JS@|$(GITWEB_JS)|g' \
> +	-e 's|@GITWEB_SITE_HTML_HEAD_STRING@|$(GITWEB_SITE_HTML_HEAD_STRING)|g' \
> +	-e 's|@GITWEB_SITE_HEADER@|$(GITWEB_SITE_HEADER)|g' \
> +	-e 's|@GITWEB_SITE_FOOTER@|$(GITWEB_SITE_FOOTER)|g' \
> +	-e 's|@HIGHLIGHT_BIN@|$(HIGHLIGHT_BIN)|g'
>   
>   .PHONY: FORCE
>   $(MAK_DIR_GITWEB)GITWEB-BUILD-OPTIONS: FORCE
> diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
> index b09a8d0523..76e1f4e244 100755
> --- a/gitweb/gitweb.perl
> +++ b/gitweb/gitweb.perl
> @@ -35,7 +35,7 @@ BEGIN
>   	CGI->compile() if $ENV{'MOD_PERL'};
>   }
>   
> -our $version = "++GIT_VERSION++";
> +our $version = "@GIT_VERSION@";
>   
>   our ($my_url, $my_uri, $base_url, $path_info, $home_link);
>   sub evaluate_uri {
> @@ -80,46 +80,46 @@ sub evaluate_uri {
>   
>   # core git executable to use
>   # this can just be "git" if your webserver has a sensible PATH
> -our $GIT = "++GIT_BINDIR++/git";
> +our $GIT = "@GIT_BINDIR@/git";
>   
>   # absolute fs-path which will be prepended to the project path
>   #our $projectroot = "/pub/scm";
> -our $projectroot = "++GITWEB_PROJECTROOT++";
> +our $projectroot = "@GITWEB_PROJECTROOT@";
>   
>   # fs traversing limit for getting project list
>   # the number is relative to the projectroot
> -our $project_maxdepth = "++GITWEB_PROJECT_MAXDEPTH++";
> +our $project_maxdepth = "@GITWEB_PROJECT_MAXDEPTH@";
>   
>   # string of the home link on top of all pages
> -our $home_link_str = "++GITWEB_HOME_LINK_STR++";
> +our $home_link_str = "@GITWEB_HOME_LINK_STR@";
>   
>   # extra breadcrumbs preceding the home link
>   our @extra_breadcrumbs = ();
>   
>   # name of your site or organization to appear in page titles
>   # replace this with something more descriptive for clearer bookmarks
> -our $site_name = "++GITWEB_SITENAME++"
> +our $site_name = "@GITWEB_SITENAME@"
>                    || ($ENV{'SERVER_NAME'} || "Untitled") . " Git";
>   
>   # html snippet to include in the <head> section of each page
> -our $site_html_head_string = "++GITWEB_SITE_HTML_HEAD_STRING++";
> +our $site_html_head_string = "@GITWEB_SITE_HTML_HEAD_STRING@";
>   # filename of html text to include at top of each page
> -our $site_header = "++GITWEB_SITE_HEADER++";
> +our $site_header = "@GITWEB_SITE_HEADER@";
>   # html text to include at home page
> -our $home_text = "++GITWEB_HOMETEXT++";
> +our $home_text = "@GITWEB_HOMETEXT@";
>   # filename of html text to include at bottom of each page
> -our $site_footer = "++GITWEB_SITE_FOOTER++";
> +our $site_footer = "@GITWEB_SITE_FOOTER@";
>   
>   # URI of stylesheets
> -our @stylesheets = ("++GITWEB_CSS++");
> +our @stylesheets = ("@GITWEB_CSS@");
>   # URI of a single stylesheet, which can be overridden in GITWEB_CONFIG.
>   our $stylesheet = undef;
>   # URI of GIT logo (72x27 size)
> -our $logo = "++GITWEB_LOGO++";
> +our $logo = "@GITWEB_LOGO@";
>   # URI of GIT favicon, assumed to be image/png type
> -our $favicon = "++GITWEB_FAVICON++";
> +our $favicon = "@GITWEB_FAVICON@";
>   # URI of gitweb.js (JavaScript code for gitweb)
> -our $javascript = "++GITWEB_JS++";
> +our $javascript = "@GITWEB_JS@";
>   
>   # URI and label (title) of GIT logo link
>   #our $logo_url = "https://www.kernel.org/pub/software/scm/git/docs/";
> @@ -128,7 +128,7 @@ sub evaluate_uri {
>   our $logo_label = "git homepage";
>   
>   # source of projects list
> -our $projects_list = "++GITWEB_LIST++";
> +our $projects_list = "@GITWEB_LIST@";
>   
>   # the width (in characters) of the projects list "Description" column
>   our $projects_list_description_width = 25;
> @@ -147,7 +147,7 @@ sub evaluate_uri {
>   
>   # show repository only if this file exists
>   # (only effective if this variable evaluates to true)
> -our $export_ok = "++GITWEB_EXPORT_OK++";
> +our $export_ok = "@GITWEB_EXPORT_OK@";
>   
>   # don't generate age column on the projects list page
>   our $omit_age_column = 0;
> @@ -161,11 +161,11 @@ sub evaluate_uri {
>   our $export_auth_hook = undef;
>   
>   # only allow viewing of repositories also shown on the overview page
> -our $strict_export = "++GITWEB_STRICT_EXPORT++";
> +our $strict_export = "@GITWEB_STRICT_EXPORT@";
>   
>   # list of git base URLs used for URL to where fetch project from,
>   # i.e. full URL is "$git_base_url/$project"
> -our @git_base_url_list = grep { $_ ne '' } ("++GITWEB_BASE_URL++");
> +our @git_base_url_list = grep { $_ ne '' } ("@GITWEB_BASE_URL@");
>   
>   # default blob_plain mimetype and default charset for text/plain blob
>   our $default_blob_plain_mimetype = 'text/plain';
> @@ -200,7 +200,7 @@ sub evaluate_uri {
>   # http://andre-simon.de/zip/download.php due to assumptions about parameters and output).
>   # Useful if highlight is not installed on your webserver's PATH.
>   # [Default: highlight]
> -our $highlight_bin = "++HIGHLIGHT_BIN++";
> +our $highlight_bin = "@HIGHLIGHT_BIN@";
>   
>   # information about snapshot formats that gitweb is capable of serving
>   our %known_snapshot_formats = (
> @@ -741,9 +741,9 @@ sub read_config_file {
>   
>   our ($GITWEB_CONFIG, $GITWEB_CONFIG_SYSTEM, $GITWEB_CONFIG_COMMON);
>   sub evaluate_gitweb_config {
> -	our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "++GITWEB_CONFIG++";
> -	our $GITWEB_CONFIG_SYSTEM = $ENV{'GITWEB_CONFIG_SYSTEM'} || "++GITWEB_CONFIG_SYSTEM++";
> -	our $GITWEB_CONFIG_COMMON = $ENV{'GITWEB_CONFIG_COMMON'} || "++GITWEB_CONFIG_COMMON++";
> +	our $GITWEB_CONFIG = $ENV{'GITWEB_CONFIG'} || "@GITWEB_CONFIG@";
> +	our $GITWEB_CONFIG_SYSTEM = $ENV{'GITWEB_CONFIG_SYSTEM'} || "@GITWEB_CONFIG_SYSTEM@";
> +	our $GITWEB_CONFIG_COMMON = $ENV{'GITWEB_CONFIG_COMMON'} || "@GITWEB_CONFIG_COMMON@";
>   
>   	# Protect against duplications of file names, to not read config twice.
>   	# Only one of $GITWEB_CONFIG and $GITWEB_CONFIG_SYSTEM is used, so
> diff --git a/perl/Git/I18N.pm b/perl/Git/I18N.pm
> index 5454c3a6d2..1da830c98a 100644
> --- a/perl/Git/I18N.pm
> +++ b/perl/Git/I18N.pm
> @@ -20,14 +20,14 @@ BEGIN
>   # this "'@@' [...] '@@'" pattern.
>   use constant NO_GETTEXT_STR => '@@' . 'NO_GETTEXT' . '@@';
>   use constant NO_GETTEXT => (
> -	q[@@NO_GETTEXT@@] ne ''
> +	q[@NO_GETTEXT@] ne ''
>   	and
> -	q[@@NO_GETTEXT@@] ne NO_GETTEXT_STR
> +	q[@NO_GETTEXT@] ne NO_GETTEXT_STR
>   );
>   
>   sub __bootstrap_locale_messages {
>   	our $TEXTDOMAIN = 'git';
> -	our $TEXTDOMAINDIR ||= $ENV{GIT_TEXTDOMAINDIR} || '@@LOCALEDIR@@';
> +	our $TEXTDOMAINDIR ||= $ENV{GIT_TEXTDOMAINDIR} || '@LOCALEDIR@';
>   	die "NO_GETTEXT=" . NO_GETTEXT_STR if NO_GETTEXT;
>   
>   	require POSIX;
> diff --git a/perl/Git/LoadCPAN.pm b/perl/Git/LoadCPAN.pm
> index 8c7fa805f9..6be99840f8 100644
> --- a/perl/Git/LoadCPAN.pm
> +++ b/perl/Git/LoadCPAN.pm
> @@ -31,11 +31,11 @@ =head1 DESCRIPTION
>   # Makefile, and allows for detecting whether the module is loaded from
>   # perl/Git as opposed to perl/build/Git, which is useful for one-off
>   # testing without having Error.pm et al installed.
> -use constant NO_PERL_CPAN_FALLBACKS_STR => '@@' . 'NO_PERL_CPAN_FALLBACKS' . '@@';
> +use constant NO_PERL_CPAN_FALLBACKS_STR => '@' . 'NO_PERL_CPAN_FALLBACKS' . '@';
>   use constant NO_PERL_CPAN_FALLBACKS => (
> -	q[@@NO_PERL_CPAN_FALLBACKS@@] ne ''
> +	q[@NO_PERL_CPAN_FALLBACKS@] ne ''
>   	and
> -	q[@@NO_PERL_CPAN_FALLBACKS@@] ne NO_PERL_CPAN_FALLBACKS_STR
> +	q[@NO_PERL_CPAN_FALLBACKS@] ne NO_PERL_CPAN_FALLBACKS_STR
>   );
>   
>   sub import {
> diff --git a/perl/header_templates/fixed_prefix.template.pl b/perl/header_templates/fixed_prefix.template.pl
> index 857b4391a4..d571ca5cde 100644
> --- a/perl/header_templates/fixed_prefix.template.pl
> +++ b/perl/header_templates/fixed_prefix.template.pl
> @@ -1 +1 @@
> -use lib (split(/@@PATHSEP@@/, $ENV{GITPERLLIB} || '@@INSTLIBDIR@@'));
> +use lib (split(/@PATHSEP@/, $ENV{GITPERLLIB} || '@INSTLIBDIR@'));
> diff --git a/perl/header_templates/runtime_prefix.template.pl b/perl/header_templates/runtime_prefix.template.pl
> index 9d28b3d863..e6f8e661a1 100644
> --- a/perl/header_templates/runtime_prefix.template.pl
> +++ b/perl/header_templates/runtime_prefix.template.pl
> @@ -3,7 +3,7 @@
>   # This finds our Git::* libraries relative to the script's runtime path.
>   sub __git_system_path {
>   	my ($relpath) = @_;
> -	my $gitexecdir_relative = '@@GITEXECDIR_REL@@';
> +	my $gitexecdir_relative = '@GITEXECDIR_REL@';
>   
>   	# GIT_EXEC_PATH is supplied by `git` or the test suite.
>   	my $exec_path;
> @@ -24,11 +24,11 @@ sub __git_system_path {
>   }
>   
>   BEGIN {
> -	use lib split /@@PATHSEP@@/,
> +	use lib split /@PATHSEP@/,
>   	(
>   		$ENV{GITPERLLIB} ||
>   		do {
> -			my $perllibdir = __git_system_path('@@PERLLIBDIR_REL@@');
> +			my $perllibdir = __git_system_path('@PERLLIBDIR_REL@');
>   			(-e $perllibdir) || die("Invalid system path ($relpath): $path");
>   			$perllibdir;
>   		}
> @@ -36,7 +36,7 @@ BEGIN
>   
>   	# Export the system locale directory to the I18N module. The locale directory
>   	# is only installed if NO_GETTEXT is set.
> -	$Git::I18N::TEXTDOMAINDIR = __git_system_path('@@LOCALEDIR_REL@@');
> +	$Git::I18N::TEXTDOMAINDIR = __git_system_path('@LOCALEDIR_REL@');
>   }
>   
>   # END RUNTIME_PREFIX generated code.
> diff --git a/unimplemented.sh b/unimplemented.sh
> index fee21d24e8..41776b279d 100644
> --- a/unimplemented.sh
> +++ b/unimplemented.sh
> @@ -1,4 +1,4 @@
>   #!/bin/sh
>   
> -echo >&2 "fatal: git was built without support for $(basename $0) (@@REASON@@)."
> +echo >&2 "fatal: git was built without support for $(basename $0) (@REASON@)."
>   exit 128
> diff --git a/wrap-for-bin.sh b/wrap-for-bin.sh
> index 95851b85b6..7898a1c238 100644
> --- a/wrap-for-bin.sh
> +++ b/wrap-for-bin.sh
> @@ -4,33 +4,33 @@
>   # to run test suite against sandbox, but with only bindir-installed
>   # executables in PATH.  The Makefile copies this into various
>   # files in bin-wrappers, substituting
> -# @@BUILD_DIR@@ and @@PROG@@.
> +# @BUILD_DIR@ and @PROG@.
>   
> -GIT_EXEC_PATH='@@BUILD_DIR@@'
> +GIT_EXEC_PATH='@BUILD_DIR@'
>   if test -n "$NO_SET_GIT_TEMPLATE_DIR"
>   then
>   	unset GIT_TEMPLATE_DIR
>   else
> -	GIT_TEMPLATE_DIR='@@BUILD_DIR@@/templates/blt'
> +	GIT_TEMPLATE_DIR='@BUILD_DIR@/templates/blt'
>   	export GIT_TEMPLATE_DIR
>   fi
> -GITPERLLIB='@@BUILD_DIR@@/perl/build/lib'"${GITPERLLIB:+:$GITPERLLIB}"
> -GIT_TEXTDOMAINDIR='@@BUILD_DIR@@/po/build/locale'
> -PATH='@@BUILD_DIR@@/bin-wrappers:'"$PATH"
> +GITPERLLIB='@BUILD_DIR@/perl/build/lib'"${GITPERLLIB:+:$GITPERLLIB}"
> +GIT_TEXTDOMAINDIR='@BUILD_DIR@/po/build/locale'
> +PATH='@BUILD_DIR@/bin-wrappers:'"$PATH"
>   
>   export GIT_EXEC_PATH GITPERLLIB PATH GIT_TEXTDOMAINDIR
>   
>   case "$GIT_DEBUGGER" in
>   '')
> -	exec "${GIT_EXEC_PATH}/@@PROG@@" "$@"
> +	exec "${GIT_EXEC_PATH}/@PROG@" "$@"
>   	;;
>   1)
>   	unset GIT_DEBUGGER
> -	exec gdb --args "${GIT_EXEC_PATH}/@@PROG@@" "$@"
> +	exec gdb --args "${GIT_EXEC_PATH}/@PROG@" "$@"
>   	;;
>   *)
>   	GIT_DEBUGGER_ARGS="$GIT_DEBUGGER"
>   	unset GIT_DEBUGGER
> -	exec ${GIT_DEBUGGER_ARGS} "${GIT_EXEC_PATH}/@@PROG@@" "$@"
> +	exec ${GIT_DEBUGGER_ARGS} "${GIT_EXEC_PATH}/@PROG@" "$@"
>   	;;
>   esac