diff --git a/commit.c b/commit.c
index ba6dee37aa..8eb17075f7 100644
--- a/commit.c
+++ b/commit.c
@@ -1511,9 +1511,9 @@ static int verify_utf8(struct strbuf *buf)
 }
 
 static const char commit_utf8_warn[] =
-"Warning: commit message did not conform to UTF-8.\n"
-"You may want to amend it after fixing the message, or set the config\n"
-"variable i18n.commitencoding to the encoding your project uses.\n";
+N_("Warning: commit message did not conform to UTF-8.\n"
+   "You may want to amend it after fixing the message, or set the config\n"
+   "variable i18n.commitencoding to the encoding your project uses.\n");
 
 int commit_tree_extended(const char *msg, size_t msg_len,
 			 const unsigned char *tree,
@@ -1566,7 +1566,7 @@ int commit_tree_extended(const char *msg, size_t msg_len,
 
 	/* And check the encoding */
 	if (encoding_is_utf8 && !verify_utf8(&buffer))
-		fprintf(stderr, commit_utf8_warn);
+		fprintf(stderr, _(commit_utf8_warn));
 
 	if (sign_commit && do_sign_commit(&buffer, sign_commit))
 		return -1;
diff --git a/connect.c b/connect.c
index 7224b5ecc7..d99d6435fd 100644
--- a/connect.c
+++ b/connect.c
@@ -46,11 +46,11 @@ int check_ref_type(const struct ref *ref, int flags)
 static void die_initial_contact(int unexpected)
 {
 	if (unexpected)
-		die("The remote end hung up upon initial contact");
+		die(_("The remote end hung up upon initial contact"));
 	else
-		die("Could not read from remote repository.\n\n"
-		    "Please make sure you have the correct access rights\n"
-		    "and the repository exists.");
+		die(_("Could not read from remote repository.\n\n"
+		      "Please make sure you have the correct access rights\n"
+		      "and the repository exists."));
 }
 
 static void parse_one_symref_info(struct string_list *symref, const char *val, int len)
diff --git a/diff.c b/diff.c
index dc5ab8b4fb..2cc3a2e29b 100644
--- a/diff.c
+++ b/diff.c
@@ -56,6 +56,11 @@ static char diff_colors[][COLOR_MAXLEN] = {
 	GIT_COLOR_NORMAL,	/* FUNCINFO */
 };
 
+static NORETURN void die_want_option(const char *option_name)
+{
+	die(_("option '%s' requires a value"), option_name);
+}
+
 static int parse_diff_color_slot(const char *var)
 {
 	if (!strcasecmp(var, "context") || !strcasecmp(var, "plain"))
@@ -3341,7 +3346,7 @@ void diff_setup_done(struct diff_options *options)
 	if (options->output_format & DIFF_FORMAT_NO_OUTPUT)
 		count++;
 	if (count > 1)
-		die("--name-only, --name-status, --check and -s are mutually exclusive");
+		die(_("--name-only, --name-status, --check and -s are mutually exclusive"));
 
 	/*
 	 * Most of the time we can say "there are changes"
@@ -3537,7 +3542,7 @@ static int stat_opt(struct diff_options *options, const char **av)
 			if (*arg == '=')
 				width = strtoul(arg + 1, &end, 10);
 			else if (!*arg && !av[1])
-				die("Option '--stat-width' requires a value");
+				die_want_option("--stat-width");
 			else if (!*arg) {
 				width = strtoul(av[1], &end, 10);
 				argcount = 2;
@@ -3546,7 +3551,7 @@ static int stat_opt(struct diff_options *options, const char **av)
 			if (*arg == '=')
 				name_width = strtoul(arg + 1, &end, 10);
 			else if (!*arg && !av[1])
-				die("Option '--stat-name-width' requires a value");
+				die_want_option("--stat-name-width");
 			else if (!*arg) {
 				name_width = strtoul(av[1], &end, 10);
 				argcount = 2;
@@ -3555,7 +3560,7 @@ static int stat_opt(struct diff_options *options, const char **av)
 			if (*arg == '=')
 				graph_width = strtoul(arg + 1, &end, 10);
 			else if (!*arg && !av[1])
-				die("Option '--stat-graph-width' requires a value");
+				die_want_option("--stat-graph-width");
 			else if (!*arg) {
 				graph_width = strtoul(av[1], &end, 10);
 				argcount = 2;
@@ -3564,7 +3569,7 @@ static int stat_opt(struct diff_options *options, const char **av)
 			if (*arg == '=')
 				count = strtoul(arg + 1, &end, 10);
 			else if (!*arg && !av[1])
-				die("Option '--stat-count' requires a value");
+				die_want_option("--stat-count");
 			else if (!*arg) {
 				count = strtoul(av[1], &end, 10);
 				argcount = 2;
diff --git a/git-stash.sh b/git-stash.sh
index 826af183d4..90d63f293e 100755
--- a/git-stash.sh
+++ b/git-stash.sh
@@ -100,7 +100,7 @@ create_stash () {
 				u_tree=$(git write-tree) &&
 				printf 'untracked files on %s\n' "$msg" | git commit-tree $u_tree  &&
 				rm -f "$TMPindex"
-		) ) || die "Cannot save the untracked files"
+		) ) || die "$(gettext "Cannot save the untracked files")"
 
 		untracked_commit_option="-p $u_commit";
 	else
@@ -248,7 +248,7 @@ save_stash () {
 
 	if test -n "$patch_mode" && test -n "$untracked"
 	then
-	    die "Can't use --patch and --include-untracked or --all at the same time"
+		die "$(gettext "Can't use --patch and --include-untracked or --all at the same time")"
 	fi
 
 	stash_msg="$*"
@@ -494,7 +494,7 @@ apply_stash () {
 		GIT_INDEX_FILE="$TMPindex" git-read-tree "$u_tree" &&
 		GIT_INDEX_FILE="$TMPindex" git checkout-index --all &&
 		rm -f "$TMPindex" ||
-		die 'Could not restore untracked files from stash'
+		die "$(gettext "Could not restore untracked files from stash")"
 	fi
 
 	eval "
diff --git a/ident.c b/ident.c
index e20a772dde..92c3cca510 100644
--- a/ident.c
+++ b/ident.c
@@ -331,17 +331,17 @@ person_only:
 }
 
 static const char *env_hint =
-"\n"
-"*** Please tell me who you are.\n"
-"\n"
-"Run\n"
-"\n"
-"  git config --global user.email \"you@example.com\"\n"
-"  git config --global user.name \"Your Name\"\n"
-"\n"
-"to set your account\'s default identity.\n"
-"Omit --global to set the identity only in this repository.\n"
-"\n";
+N_("\n"
+   "*** Please tell me who you are.\n"
+   "\n"
+   "Run\n"
+   "\n"
+   "  git config --global user.email \"you@example.com\"\n"
+   "  git config --global user.name \"Your Name\"\n"
+   "\n"
+   "to set your account\'s default identity.\n"
+   "Omit --global to set the identity only in this repository.\n"
+   "\n");
 
 const char *fmt_ident(const char *name, const char *email,
 		      const char *date_str, int flag)
@@ -356,13 +356,13 @@ const char *fmt_ident(const char *name, const char *email,
 		if (!name) {
 			if (strict && ident_use_config_only
 			    && !(ident_config_given & IDENT_NAME_GIVEN)) {
-				fputs(env_hint, stderr);
+				fputs(_(env_hint), stderr);
 				die("no name was given and auto-detection is disabled");
 			}
 			name = ident_default_name();
 			using_default = 1;
 			if (strict && default_name_is_bogus) {
-				fputs(env_hint, stderr);
+				fputs(_(env_hint), stderr);
 				die("unable to auto-detect name (got '%s')", name);
 			}
 		}
@@ -370,7 +370,7 @@ const char *fmt_ident(const char *name, const char *email,
 			struct passwd *pw;
 			if (strict) {
 				if (using_default)
-					fputs(env_hint, stderr);
+					fputs(_(env_hint), stderr);
 				die("empty ident name (for <%s>) not allowed", email);
 			}
 			pw = xgetpwuid_self(NULL);
@@ -381,12 +381,12 @@ const char *fmt_ident(const char *name, const char *email,
 	if (!email) {
 		if (strict && ident_use_config_only
 		    && !(ident_config_given & IDENT_MAIL_GIVEN)) {
-			fputs(env_hint, stderr);
+			fputs(_(env_hint), stderr);
 			die("no email was given and auto-detection is disabled");
 		}
 		email = ident_default_email();
 		if (strict && default_email_is_bogus) {
-			fputs(env_hint, stderr);
+			fputs(_(env_hint), stderr);
 			die("unable to auto-detect email address (got '%s')", email);
 		}
 	}
diff --git a/notes-merge.c b/notes-merge.c
index b3536284c4..5998605acc 100644
--- a/notes-merge.c
+++ b/notes-merge.c
@@ -270,15 +270,15 @@ static void check_notes_merge_worktree(struct notes_merge_options *o)
 		if (file_exists(git_path(NOTES_MERGE_WORKTREE)) &&
 		    !is_empty_dir(git_path(NOTES_MERGE_WORKTREE))) {
 			if (advice_resolve_conflict)
-				die("You have not concluded your previous "
+				die(_("You have not concluded your previous "
 				    "notes merge (%s exists).\nPlease, use "
 				    "'git notes merge --commit' or 'git notes "
 				    "merge --abort' to commit/abort the "
 				    "previous merge before you start a new "
-				    "notes merge.", git_path("NOTES_MERGE_*"));
+				    "notes merge."), git_path("NOTES_MERGE_*"));
 			else
-				die("You have not concluded your notes merge "
-				    "(%s exists).", git_path("NOTES_MERGE_*"));
+				die(_("You have not concluded your notes merge "
+				    "(%s exists)."), git_path("NOTES_MERGE_*"));
 		}
 
 		if (safe_create_leading_directories_const(git_path(
diff --git a/t/t3310-notes-merge-manual-resolve.sh b/t/t3310-notes-merge-manual-resolve.sh
index 6967436327..baef2d6924 100755
--- a/t/t3310-notes-merge-manual-resolve.sh
+++ b/t/t3310-notes-merge-manual-resolve.sh
@@ -225,7 +225,7 @@ test_expect_success 'cannot do merge w/conflicts when previous merge is unfinish
 	test -d .git/NOTES_MERGE_WORKTREE &&
 	test_must_fail git notes merge z >output 2>&1 &&
 	# Output should indicate what is wrong
-	grep -q "\\.git/NOTES_MERGE_\\* exists" output
+	test_i18ngrep -q "\\.git/NOTES_MERGE_\\* exists" output
 '
 
 # Setup non-conflicting merge between x and new notes ref w
diff --git a/t/t3900-i18n-commit.sh b/t/t3900-i18n-commit.sh
index 4bf1dbe9c9..3b94283e35 100755
--- a/t/t3900-i18n-commit.sh
+++ b/t/t3900-i18n-commit.sh
@@ -45,7 +45,7 @@ test_expect_success 'UTF-8 invalid characters refused' '
 	printf "Commit message\n\nInvalid surrogate:\355\240\200\n" \
 		>"$HOME/invalid" &&
 	git commit -a -F "$HOME/invalid" 2>"$HOME"/stderr &&
-	grep "did not conform" "$HOME"/stderr
+	test_i18ngrep "did not conform" "$HOME"/stderr
 '
 
 test_expect_success 'UTF-8 overlong sequences rejected' '
@@ -55,7 +55,7 @@ test_expect_success 'UTF-8 overlong sequences rejected' '
 	printf "\340\202\251ommit message\n\nThis is not a space:\300\240\n" \
 		>"$HOME/invalid" &&
 	git commit -a -F "$HOME/invalid" 2>"$HOME"/stderr &&
-	grep "did not conform" "$HOME"/stderr
+	test_i18ngrep "did not conform" "$HOME"/stderr
 '
 
 test_expect_success 'UTF-8 non-characters refused' '
@@ -64,7 +64,7 @@ test_expect_success 'UTF-8 non-characters refused' '
 	printf "Commit message\n\nNon-character:\364\217\277\276\n" \
 		>"$HOME/invalid" &&
 	git commit -a -F "$HOME/invalid" 2>"$HOME"/stderr &&
-	grep "did not conform" "$HOME"/stderr
+	test_i18ngrep "did not conform" "$HOME"/stderr
 '
 
 test_expect_success 'UTF-8 non-characters refused' '
@@ -73,7 +73,7 @@ test_expect_success 'UTF-8 non-characters refused' '
 	printf "Commit message\n\nNon-character:\357\267\220\n" \
 		>"$HOME/invalid" &&
 	git commit -a -F "$HOME/invalid" 2>"$HOME"/stderr &&
-	grep "did not conform" "$HOME"/stderr
+	test_i18ngrep "did not conform" "$HOME"/stderr
 '
 
 for H in ISO8859-1 eucJP ISO-2022-JP
diff --git a/t/t3901-i18n-patch.sh b/t/t3901-i18n-patch.sh
index 509084e1a7..f663d567c8 100755
--- a/t/t3901-i18n-patch.sh
+++ b/t/t3901-i18n-patch.sh
@@ -295,7 +295,7 @@ test_expect_success 'am --no-utf8 (U/L)' '
 
 	# commit-tree will warn that the commit message does not contain valid UTF-8
 	# as mailinfo did not convert it
-	grep "did not conform" err &&
+	test_i18ngrep "did not conform" err &&
 
 	check_encoding 2
 '
diff --git a/t/t5512-ls-remote.sh b/t/t5512-ls-remote.sh
index befdfeefc6..55fc83fc06 100755
--- a/t/t5512-ls-remote.sh
+++ b/t/t5512-ls-remote.sh
@@ -99,7 +99,7 @@ test_expect_success 'confuses pattern as remote when no remote specified' '
 	# We could just as easily have used "master"; the "*" emphasizes its
 	# role as a pattern.
 	test_must_fail git ls-remote refs*master >actual 2>&1 &&
-	test_cmp exp actual
+	test_i18ncmp exp actual
 '
 
 test_expect_success 'die with non-2 for wrong repository even with --exit-code' '