Meta: Use grep -E/F, not grep -P

grep -E and -F are POSIX standard, and meets all our matching needs.

1 files changed, 3 insertions, 3 deletions

diff --git a/Meta/lint-commit.sh b/Meta/lint-commit.sh
index 1df284f930..b30dd9bcd0 100755
--- a/Meta/lint-commit.sh
+++ b/Meta/lint-commit.sh
@@ -29,12 +29,12 @@ while read -r line; do
   line_length=${#line}
 
   category_pattern="^\S.*?\S: .+"
-  if [[ $line_number -eq 1 ]] && (echo "$line" | grep -P -v -q "$category_pattern"); then
+  if [[ $line_number -eq 1 ]] && (echo "$line" | grep -E -v -q "$category_pattern"); then
     error "Missing category in commit title (if this is a fix up of a previous commit, it should be squashed)"
   fi
 
   title_case_pattern="^\S.*?: [A-Z0-9]"
-  if [[ $line_number -eq 1 ]] && (echo "$line" | grep -P -v -q "$title_case_pattern"); then
+  if [[ $line_number -eq 1 ]] && (echo "$line" | grep -E -v -q "$title_case_pattern"); then
     error "First word of commit after the subsystem is not capitalized"
   fi
 
@@ -43,7 +43,7 @@ while read -r line; do
   fi
 
   url_pattern="([a-z]+:\/\/)?(([a-zA-Z0-9_]|-)+\.)+[a-z]{2,}(:\d+)?([a-zA-Z_0-9@:%\+.~\?&\/=]|-)+"
-  if [[ $line_length -gt 72 ]] && (echo "$line" | grep -P -v -q "$url_pattern"); then
+  if [[ $line_length -gt 72 ]] && (echo "$line" | grep -E -v -q "$url_pattern"); then
     error "Commit message lines are too long (maximum allowed is 72 characters)"
   fi