Add the -c flag to formatting scripts

Author: uint

devtools/format_md.sh

@@ -2,4 +2,13 @@
 set -o errexit -o nounset -o pipefail
 command -v shellcheck >/dev/null && shellcheck "$0"
 
-npx [email protected] --write "./**/*.md"
+# Running with -c makes the script only validate instead of editing in place.
+op="write"
+while getopts c option; do
+  case "${option}" in
+
+  c) op="check" ;;
+  esac
+done
+
+npx [email protected] --$op "./**/*.md"

devtools/format_sh.sh

@@ -2,4 +2,13 @@
 set -o errexit -o nounset -o pipefail
 command -v shellcheck >/dev/null && shellcheck "$0"
 
-shfmt -w devtools packages
+# Running with -c makes the script only validate instead of editing in place.
+op="w"
+while getopts c option; do
+  case "${option}" in
+
+  c) op="d" ;;
+  esac
+done
+
+shfmt -$op devtools packages

devtools/format_yml.sh

@@ -2,4 +2,13 @@
 set -o errexit -o nounset -o pipefail
 command -v shellcheck >/dev/null && shellcheck "$0"
 
-npx [email protected] --write "./**/*.yml"
+# Running with -c makes the script only validate instead of editing in place.
+op="write"
+while getopts c option; do
+  case "${option}" in
+
+  c) op="check" ;;
+  esac
+done
+
+npx [email protected] --$op "./**/*.yml"