Initial class construction

Git/mingw64/libexec/git-core/git-sh-i18n

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+# This shell library is Git's interface to gettext.sh. See po/README
+# for usage instructions.
+#
+# Copyright (c) 2010 Ævar Arnfjörð Bjarmason
+#
+
+# Export the TEXTDOMAIN* data that we need for Git
+TEXTDOMAIN=git
+export TEXTDOMAIN
+if test -z "$GIT_TEXTDOMAINDIR"
+then
+	TEXTDOMAINDIR="/mingw64/share/locale"
+else
+	TEXTDOMAINDIR="$GIT_TEXTDOMAINDIR"
+fi
+export TEXTDOMAINDIR
+
+# First decide what scheme to use...
+GIT_INTERNAL_GETTEXT_SH_SCHEME=fallthrough
+if test -n "$GIT_TEST_GETTEXT_POISON"
+then
+	GIT_INTERNAL_GETTEXT_SH_SCHEME=poison
+elif test -n "fallthrough"
+then
+	GIT_INTERNAL_GETTEXT_SH_SCHEME="fallthrough"
+elif test -n "$GIT_INTERNAL_GETTEXT_TEST_FALLBACKS"
+then
+	: no probing necessary
+elif type gettext.sh >/dev/null 2>&1
+then
+	# GNU libintl's gettext.sh
+	GIT_INTERNAL_GETTEXT_SH_SCHEME=gnu
+elif test "$(gettext -h 2>&1)" = "-h"
+then
+	# gettext binary exists but no gettext.sh. likely to be a gettext
+	# binary on a Solaris or something that is not GNU libintl and
+	# lack eval_gettext.
+	GIT_INTERNAL_GETTEXT_SH_SCHEME=gettext_without_eval_gettext
+fi
+export GIT_INTERNAL_GETTEXT_SH_SCHEME
+
+# ... and then follow that decision.
+case "$GIT_INTERNAL_GETTEXT_SH_SCHEME" in
+gnu)
+	# Use libintl's gettext.sh, or fall back to English if we can't.
+	. gettext.sh
+	;;
+gettext_without_eval_gettext)
+	# Solaris has a gettext(1) but no eval_gettext(1)
+	eval_gettext () {
+		gettext "$1" | (
+			export PATH $(git sh-i18n--envsubst --variables "$1");
+			git sh-i18n--envsubst "$1"
+		)
+	}
+
+	eval_ngettext () {
+		ngettext "$1" "$2" "$3" | (
+			export PATH $(git sh-i18n--envsubst --variables "$2");
+			git sh-i18n--envsubst "$2"
+		)
+	}
+	;;
+poison)
+	# Emit garbage so that tests that incorrectly rely on translatable
+	# strings will fail.
+	gettext () {
+		printf "%s" "# GETTEXT POISON #"
+	}
+
+	eval_gettext () {
+		printf "%s" "# GETTEXT POISON #"
+	}
+
+	eval_ngettext () {
+		printf "%s" "# GETTEXT POISON #"
+	}
+	;;
+*)
+	gettext () {
+		printf "%s" "$1"
+	}
+
+	eval_gettext () {
+		printf "%s" "$1" | (
+			export PATH $(git sh-i18n--envsubst --variables "$1");
+			git sh-i18n--envsubst "$1"
+		)
+	}
+
+	eval_ngettext () {
+		(test "$3" = 1 && printf "%s" "$1" || printf "%s" "$2") | (
+			export PATH $(git sh-i18n--envsubst --variables "$2");
+			git sh-i18n--envsubst "$2"
+		)
+	}
+	;;
+esac
+
+# Git-specific wrapper functions
+gettextln () {
+	gettext "$1"
+	echo
+}
+
+eval_gettextln () {
+	eval_gettext "$1"
+	echo
+}