builds: move build scripts into "tools/"

We have a bunch of scripts used by our different build systems that are
all located in the top-level directory. Now that we have introduced the
new "tools/" directory though we have a better home for them.

Move the scripts into the "tools/" directory.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

8 files changed, 388 insertions, 0 deletions

diff --git a/tools/check-builtins.sh b/tools/check-builtins.sh
new file mode 100755
index 0000000000..a0aaf3a347
--- /dev/null
+++ b/tools/check-builtins.sh
@@ -0,0 +1,34 @@
+#!/bin/sh
+
+{
+	cat <<\EOF
+sayIt:
+	$(foreach b,$(BUILT_INS),echo XXX $(b:$X=) YYY;)
+EOF
+	cat Makefile
+} |
+make -f - sayIt 2>/dev/null |
+sed -n -e 's/.*XXX \(.*\) YYY.*/\1/p' |
+sort |
+{
+    bad=0
+    while read builtin
+    do
+	base=$(expr "$builtin" : 'git-\(.*\)')
+	x=$(sed -ne 's/.*{ "'$base'", \(cmd_[^, ]*\).*/'$base'	\1/p' git.c)
+	if test -z "$x"
+	then
+		echo "$base is builtin but not listed in git.c command list"
+		bad=1
+	fi
+	for sfx in sh perl py
+	do
+		if test -f "$builtin.$sfx"
+		then
+			echo "$base is builtin but $builtin.$sfx still exists"
+			bad=1
+		fi
+	done
+    done
+    exit $bad
+}
diff --git a/tools/detect-compiler b/tools/detect-compiler
new file mode 100755
index 0000000000..124ebdd4c9
--- /dev/null
+++ b/tools/detect-compiler
@@ -0,0 +1,58 @@
+#!/bin/sh
+#
+# Probe the compiler for vintage, version, etc. This is used for setting
+# optional make knobs under the DEVELOPER knob.
+
+CC="$*"
+
+# we get something like (this is at least true for gcc and clang)
+#
+# FreeBSD clang version 3.4.1 (tags/RELEASE...)
+get_version_line() {
+	LANG=C LC_ALL=C $CC -v 2>&1 | sed -n '/ version /{p;q;}'
+}
+
+get_family() {
+	get_version_line | sed 's/^\(.*\) version [0-9].*/\1/'
+}
+
+get_version() {
+	# A string that begins with a digit up to the next SP
+	ver=$(get_version_line | sed 's/^.* version \([0-9][^ ]*\).*/\1/')
+
+	# There are known -variant suffixes that do not affect the
+	# meaning of the main version number.  Strip them.
+	ver=${ver%-win32}
+	ver=${ver%-posix}
+
+	echo "$ver"
+}
+
+print_flags() {
+	family=$1
+	version=$(get_version | cut -f 1 -d .)
+
+	# Print a feature flag not only for the current version, but also
+	# for any prior versions we encompass. This avoids needing to do
+	# numeric comparisons in make, which are awkward.
+	while test "$version" -gt 0
+	do
+		echo $family$version
+		version=$((version - 1))
+	done
+}
+
+case "$(get_family)" in
+gcc)
+	print_flags gcc
+	;;
+clang | *" clang")
+	print_flags clang
+	;;
+"Apple LLVM")
+	print_flags clang
+	;;
+*)
+	: unknown compiler family
+	;;
+esac
diff --git a/tools/generate-cmdlist.sh b/tools/generate-cmdlist.sh
new file mode 100755
index 0000000000..0ed39c4c5d
--- /dev/null
+++ b/tools/generate-cmdlist.sh
@@ -0,0 +1,120 @@
+#!/bin/sh
+
+die () {
+	echo "$@" >&2
+	exit 1
+}
+
+command_list () {
+	while read cmd rest
+	do
+		case "$cmd" in
+		"#"* | '')
+			# Ignore comments and allow empty lines
+			continue
+			;;
+		*)
+			case "$exclude_programs" in
+			*":$cmd:"*)
+				;;
+			*)
+				echo "$cmd $rest"
+				;;
+			esac
+		esac
+	done <"$1"
+}
+
+category_list () {
+	echo "$1" |
+	cut -d' ' -f2- |
+	tr ' ' '\012' |
+	grep -v '^$' |
+	LC_ALL=C sort -u
+}
+
+define_categories () {
+	echo
+	echo "/* Command categories */"
+	bit=0
+	echo "$1" |
+	while read cat
+	do
+		echo "#define CAT_$cat (1UL << $bit)"
+		bit=$(($bit+1))
+	done
+	test "$bit" -gt 32 && die "Urgh.. too many categories?"
+}
+
+define_category_names () {
+	echo
+	echo "/* Category names */"
+	echo "static const char *category_names[] = {"
+	bit=0
+	echo "$1" |
+	while read cat
+	do
+		echo "	\"$cat\", /* (1UL << $bit) */"
+		bit=$(($bit+1))
+	done
+	echo "	NULL"
+	echo "};"
+}
+
+print_command_list () {
+	echo "static struct cmdname_help command_list[] = {"
+
+	echo "$2" |
+	while read cmd rest
+	do
+		synopsis=
+		while read line
+		do
+			case "$line" in
+			"$cmd - "*)
+				synopsis=${line#$cmd - }
+				break
+				;;
+			esac
+		done <"$1/Documentation/$cmd.adoc"
+
+		printf '\t{ "%s", N_("%s"), 0' "$cmd" "$synopsis"
+		printf " | CAT_%s" $rest
+		echo " },"
+	done
+	echo "};"
+}
+
+exclude_programs=:
+while test "--exclude-program" = "$1"
+do
+	shift
+	exclude_programs="$exclude_programs$1:"
+	shift
+done
+
+if test "$#" -ne 2
+then
+	die "USAGE: $0 <SOURCE_DIR> <OUTPUT>"
+fi
+
+SOURCE_DIR="$1"
+OUTPUT="$2"
+
+{
+	commands="$(command_list "$SOURCE_DIR"/command-list.txt)"
+	categories="$(category_list "$commands")"
+
+	echo "/* Automatically generated by generate-cmdlist.sh */
+	struct cmdname_help {
+		const char *name;
+		const char *help;
+		uint32_t category;
+	};
+	"
+	define_categories "$categories"
+	echo
+	define_category_names "$categories"
+	echo
+	print_command_list "$SOURCE_DIR" "$commands"
+} >"$OUTPUT"
diff --git a/tools/generate-configlist.sh b/tools/generate-configlist.sh
new file mode 100755
index 0000000000..e28054f9e0
--- /dev/null
+++ b/tools/generate-configlist.sh
@@ -0,0 +1,52 @@
+#!/bin/sh
+
+SOURCE_DIR="$1"
+OUTPUT="$2"
+DEPFILE="$3"
+
+if test -z "$SOURCE_DIR" || ! test -d "$SOURCE_DIR" || test -z "$OUTPUT"
+then
+	echo >&2 "USAGE: $0 <SOURCE_DIR> <OUTPUT> [<DEPFILE>]"
+	exit 1
+fi
+
+print_config_list () {
+	cat <<EOF
+static const char *config_name_list[] = {
+EOF
+	sed -e '
+	/^`*[a-zA-Z].*\..*`*::$/ {
+	/deprecated/d;
+	s/::$//;
+	s/`//g;
+	s/^.*$/	"&",/;
+	p;};
+	d' \
+	    "$SOURCE_DIR"/Documentation/*config.adoc \
+	    "$SOURCE_DIR"/Documentation/config/*.adoc |
+	sort
+	cat <<EOF
+	NULL,
+};
+EOF
+}
+
+{
+	echo "/* Automatically generated by generate-configlist.sh */"
+	echo
+	echo
+	print_config_list
+} >"$OUTPUT"
+
+if test -n "$DEPFILE"
+then
+	QUOTED_OUTPUT="$(printf '%s\n' "$OUTPUT" | sed 's,[&/\],\\&,g')"
+	{
+		printf '%s\n' "$SOURCE_DIR"/Documentation/*config.adoc \
+			"$SOURCE_DIR"/Documentation/config/*.adoc |
+			sed -e 's/[# ]/\\&/g' -e "s/^/$QUOTED_OUTPUT: /"
+		printf '%s:\n' "$SOURCE_DIR"/Documentation/*config.adoc \
+			"$SOURCE_DIR"/Documentation/config/*.adoc |
+			sed -e 's/[# ]/\\&/g'
+	} >"$DEPFILE"
+fi
diff --git a/tools/generate-hooklist.sh b/tools/generate-hooklist.sh
new file mode 100755
index 0000000000..e0cdf26944
--- /dev/null
+++ b/tools/generate-hooklist.sh
@@ -0,0 +1,33 @@
+#!/bin/sh
+#
+# Usage: ./generate-hooklist.sh >hook-list.h
+
+SOURCE_DIR="$1"
+OUTPUT="$2"
+
+if test -z "$SOURCE_DIR" || ! test -d "$SOURCE_DIR" || test -z "$OUTPUT"
+then
+	echo >&2 "USAGE: $0 <SOURCE_DIR> <OUTPUT>"
+	exit 1
+fi
+
+{
+
+cat <<EOF
+/* Automatically generated by generate-hooklist.sh */
+
+static const char *hook_name_list[] = {
+EOF
+
+sed -n \
+	-e '/^~~~~*$/ {x; s/^.*$/	"&",/; p;}' \
+	-e 'x' \
+	<"$SOURCE_DIR"/Documentation/githooks.adoc |
+	LC_ALL=C sort
+
+cat <<EOF
+	NULL,
+};
+EOF
+
+} >"$OUTPUT"
diff --git a/tools/generate-perl.sh b/tools/generate-perl.sh
new file mode 100755
index 0000000000..796d835932
--- /dev/null
+++ b/tools/generate-perl.sh
@@ -0,0 +1,37 @@
+#!/bin/sh
+
+set -e
+
+if test $# -ne 5
+then
+	echo >&2 "USAGE: $0 <GIT_BUILD_OPTIONS> <GIT_VERSION_FILE> <PERL_HEADER> <INPUT> <OUTPUT>"
+	exit 1
+fi
+
+GIT_BUILD_OPTIONS="$1"
+GIT_VERSION_FILE="$2"
+PERL_HEADER="$3"
+INPUT="$4"
+OUTPUT="$5"
+
+. "$GIT_BUILD_OPTIONS"
+. "$GIT_VERSION_FILE"
+
+sed -e '1{' \
+    -e "	/^#!.*perl/!b" \
+    -e "	s|#!.*perl|#!$PERL_PATH|" \
+    -e "	r $PERL_HEADER" \
+    -e '	G' \
+    -e '}' \
+    -e "s|@GIT_VERSION@|$GIT_VERSION|g" \
+    -e "s|@LOCALEDIR@|$PERL_LOCALEDIR|g" \
+    -e "s|@NO_GETTEXT@|$NO_GETTEXT|g" \
+    -e "s|@NO_PERL_CPAN_FALLBACKS@|$NO_PERL_CPAN_FALLBACKS|g" \
+    "$INPUT" >"$OUTPUT"
+
+case "$INPUT" in
+*.perl|*git-contacts)
+	chmod a+x "$OUTPUT";;
+*)
+	;;
+esac
diff --git a/tools/generate-python.sh b/tools/generate-python.sh
new file mode 100755
index 0000000000..31ac115689
--- /dev/null
+++ b/tools/generate-python.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+set -e
+
+if test $# -ne 3
+then
+	echo >&2 "USAGE: $0 <GIT_BUILD_OPTIONS> <INPUT> <OUTPUT>"
+	exit 1
+fi
+
+GIT_BUILD_OPTIONS="$1"
+INPUT="$2"
+OUTPUT="$3"
+
+. "$GIT_BUILD_OPTIONS"
+
+sed -e "1s|#!.*python|#!$PYTHON_PATH|" \
+    "$INPUT" >"$OUTPUT+"
+chmod a+x "$OUTPUT+"
+mv "$OUTPUT+" "$OUTPUT"
diff --git a/tools/generate-script.sh b/tools/generate-script.sh
new file mode 100755
index 0000000000..a149e4f0ba
--- /dev/null
+++ b/tools/generate-script.sh
@@ -0,0 +1,34 @@
+#!/bin/sh
+
+set -e
+
+if test $# -ne 3
+then
+	echo >&2 "USAGE: $0 <INPUT> <OUTPUT> <GIT-BUILD-OPTIONS>"
+	exit 1
+fi
+
+INPUT="$1"
+OUTPUT="$2"
+BUILD_OPTIONS="$3"
+
+. "$BUILD_OPTIONS"
+
+sed -e "1s|#!.*/sh|#!$SHELL_PATH|" \
+    -e "s|@SHELL_PATH@|$SHELL_PATH|" \
+    -e "s|@DIFF@|$DIFF|" \
+    -e "s|@LOCALEDIR@|$LOCALEDIR|g" \
+    -e "s/@USE_GETTEXT_SCHEME@/$USE_GETTEXT_SCHEME/g" \
+    -e "$BROKEN_PATH_FIX" \
+    -e "s|@GITWEBDIR@|$GITWEBDIR|g" \
+    -e "s|@PERL_PATH@|$PERL_PATH|g" \
+    -e "s|@PAGER_ENV@|$PAGER_ENV|g" \
+    "$INPUT" >"$OUTPUT"
+
+case "$(basename "$INPUT")" in
+git-mergetool--lib.sh|git-sh-i18n.sh|git-sh-setup.sh)
+	;;
+*)
+	chmod a+x "$OUTPUT"
+	;;
+esac