[PATCH v3 7/7] git-sh-setup: don't mark trees not used in-tree for i18n

["Ævar Arnfjörð Bjarmason" <avarab@gmail.com>]

Partially revert d323c6b6410 (i18n: git-sh-setup.sh: mark strings for
translation, 2016-06-17).

These strings are no longer used in-tree, and we shouldn't be wasting
translator time on them for the benefit of a hypothetical out-of-tree
user of git-sh-setup.sh.

Since d03ebd411c6 (rebase: remove the rebase.useBuiltin setting,
2019-03-18) we've had no in-tree user of require_work_tree_exists(),
and since the more recent c1e10b2dce2 (git-sh-setup: remove messaging
supporting --preserve-merges, 2021-10-21) the only in-tree user of
require_clean_work_tree() is git-filter-branch.sh. Let's only
translate the message it uses, and revert the others to the pre-image
of d323c6b6410.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
---
 git-sh-setup.sh | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/git-sh-setup.sh b/git-sh-setup.sh
index d92df37e992..1abceaac8d3 100644
--- a/git-sh-setup.sh
+++ b/git-sh-setup.sh
@@ -187,8 +187,7 @@ cd_to_toplevel () {
 require_work_tree_exists () {
 	if test "z$(git rev-parse --is-bare-repository)" != zfalse
 	then
-		program_name=$0
-		die "$(eval_gettext "fatal: \$program_name cannot be used without a working tree.")"
+		die "fatal: $0 cannot be used without a working tree."
 	fi
 }
 
@@ -206,13 +205,13 @@ require_clean_work_tree () {
 
 	if ! git diff-files --quiet --ignore-submodules
 	then
-		action=$1
-		case "$action" in
+		case "$1" in
 		"rewrite branches")
 			gettextln "Cannot rewrite branches: You have unstaged changes." >&2
 			;;
 		*)
-			eval_gettextln "Cannot \$action: You have unstaged changes." >&2
+			# Some out-of-tree user of require_clean_work_tree()
+			echo "Cannot $1: You have unstaged changes." >&2
 			;;
 		esac
 		err=1
@@ -222,8 +221,15 @@ require_clean_work_tree () {
 	then
 		if test $err = 0
 		then
-			action=$1
-			eval_gettextln "Cannot \$action: Your index contains uncommitted changes." >&2
+			case "$1" in
+			"rewrite branches")
+				gettextln "Cannot rewrite branches: You have unstaged changes." >&2
+				;;
+			*)
+				# Some out-of-tree user of require_clean_work_tree()
+				echo "Cannot $1: Your index contains uncommitted changes." >&2
+				;;
+			esac
 		else
 		    gettextln "Additionally, your index contains uncommitted changes." >&2
 		fi
-- 
2.35.1.1535.gf8d72b9da1e