bin/uninclude: Add new utility, with simple tests

5 files changed, 58 insertions, 0 deletions

diff --git a/opt/resources/can-remove-stdbool.c b/opt/resources/can-remove-stdbool.c
new file mode 100644
index 0000000..98338de
--- /dev/null
+++ b/opt/resources/can-remove-stdbool.c
@@ -0,0 +1,12 @@
+#include <stdbool.h>
+
+#include <stdio.h>
+#include <stdbool.h>
+
+#include <stdio.h>
+
+int
+main(void) {
+	printf("Nothing to be removed.\n");
+	return 0;
+}
diff --git a/opt/resources/can-remove-stdbool.c.expected b/opt/resources/can-remove-stdbool.c.expected
new file mode 100644
index 0000000..f3da0d3
--- /dev/null
+++ b/opt/resources/can-remove-stdbool.c.expected
@@ -0,0 +1,9 @@
+
+
+#include <stdio.h>
+
+int
+main(void) {
+	printf("Nothing to be removed.\n");
+	return 0;
+}
diff --git a/opt/resources/nothing-can-be-removed.c b/opt/resources/nothing-can-be-removed.c
new file mode 100644
index 0000000..773852f
--- /dev/null
+++ b/opt/resources/nothing-can-be-removed.c
@@ -0,0 +1,7 @@
+#include <stdio.h>
+
+int
+main(void) {
+	printf("Nothing to be removed.\n");
+	return 0;
+}
diff --git a/opt/resources/nothing-can-be-removed.c.expected b/opt/resources/nothing-can-be-removed.c.expected
new file mode 100644
index 0000000..773852f
--- /dev/null
+++ b/opt/resources/nothing-can-be-removed.c.expected
@@ -0,0 +1,7 @@
+#include <stdio.h>
+
+int
+main(void) {
+	printf("Nothing to be removed.\n");
+	return 0;
+}
diff --git a/opt/tests/uninclude.sh b/opt/tests/uninclude.sh
new file mode 100755
index 0000000..bb11f05
--- /dev/null
+++ b/opt/tests/uninclude.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+git restore opt/resources/
+
+# shellcheck disable=2086
+find opt/resources/ -name '*.c' |
+	sh ~/.usr/bin/uninclude -E '^#include ' -- cc $CFLAGS
+
+find opt/resources/ -name '*.c' | while read -r file; do
+	if ! cmp -s "$file" "$file".expected; then
+		cat <<-EOF
+			The unincluded file is different from expected.
+
+			See with:
+			  $ diff -U5 $file.expected $file
+		EOF
+		exit 1
+	else
+		git restore "$file"
+	fi
+done
+
+rm -f a.out