X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=templates%2Fhooks--pre-commit.sample;h=b11ad6a6fbab9242a2dac157ee1a55875954b95a;hb=59773c7e583b1dcf4b63c4ee222b79cef460456b;hp=0e49279c7f7b805c78f1bc4760a0d1c70a84a0d9;hpb=75b44066f3ed7cde238cdea1f0bf9e2f1744c820;p=git.git

diff --git a/templates/hooks--pre-commit.sample b/templates/hooks--pre-commit.sample
index 0e49279c7..b11ad6a6f 100755
--- a/templates/hooks--pre-commit.sample
+++ b/templates/hooks--pre-commit.sample
@@ -7,7 +7,32 @@
 #
 # To enable this hook, rename this file to "pre-commit".
 
-if git-rev-parse --verify HEAD 2>/dev/null
+# If you want to allow non-ascii filenames set this variable to true.
+allownonascii=$(git config hooks.allownonascii)
+
+# Cross platform projects tend to avoid non-ascii filenames; prevent
+# them from being added to the repository. We exploit the fact that the
+# printable range starts at the space character and ends with tilde.
+if [ "$allownonascii" != "true" ] &&
+	test "$(git diff --cached --name-only --diff-filter=A -z |
+	  LC_ALL=C tr -d '[ -~]\0')"
+then
+	echo "Error: Attempt to add a non-ascii filename."
+	echo
+	echo "This can cause problems if you want to work together"
+	echo "with people on other platforms than you."
+	echo
+	echo "To be portable it is adviseable to rename the file ..."
+	echo
+	echo "If you know what you are doing you can disable this"
+	echo "check using:"
+	echo
+	echo "  git config hooks.allownonascii true"
+	echo
+	exit 1
+fi
+
+if git-rev-parse --verify HEAD >/dev/null 2>&1
 then
 	against=HEAD
 else