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-rwxr-xr-x.git-hooks/pre-commit31
1 files changed, 31 insertions, 0 deletions
diff --git a/.git-hooks/pre-commit b/.git-hooks/pre-commit
index 48f131920fd3..521ed202b9ac 100755
--- a/.git-hooks/pre-commit
+++ b/.git-hooks/pre-commit
@@ -381,6 +381,37 @@ if ( system( "git rev-parse --verify HEAD >/dev/null 2>&1" ) == 0 )
$against="HEAD"
}
+# If you want to allow non-ascii filenames set this variable to true.
+my $allownonascii=`git config hooks.allownonascii`;
+chomp $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 ne "true" &&
+ # Note that the use of brackets around a tr range is ok here, (it's
+ # even required, for portability to Solaris 10's /usr/bin/tr), since
+ # the square bracket bytes happen to fall in the designated range.
+ `git diff --cached --name-only --diff-filter=A -z $against | \
+ LC_ALL=C tr -d '[ -~]\\0'` ne "" )
+{
+ print <<EOM;
+Error: Attempt to add a non-ascii file name.
+
+This can cause problems if you want to work
+with people on other platforms.
+
+To be portable it is advisable to rename the file ...
+
+If you know what you are doing you can disable this
+check using:
+
+ git config hooks.allownonascii true
+
+EOM
+ exit( 1 );
+}
+
# Block large files.
open( FILES, "git diff --cached --name-only --diff-filter=A -z $against |" ) || die "Cannot run git diff-index.";
while (<FILES>)