Correct common spelling mistakes in comments and tests

Most of these were found using Lucas De Marchi's codespell tool.

Signed-off-by: Stefano Lattarini <redacted>
Signed-off-by: Jonathan Nieder <redacted>
Acked-by: Matthieu Moy <redacted>
Signed-off-by: Junio C Hamano <redacted>

diff --git a/gitweb.perl b/gitweb.perl
index b04e128c01f25ca077da6fbf170f32a959d29ffc9514ebfe1fbd06866e49395d..31713f8276a9c1490536ea66cd482814c6ad4e97e0f93504889e0a0f52983952 100755 (executable)
--- a/gitweb.perl
+++ b/gitweb.perl
@@ -684,7 +684,7 @@ sub evaluate_gitweb_config {
        our $GITWEB_CONFIG_SYSTEM = $ENV{'GITWEB_CONFIG_SYSTEM'} || "++GITWEB_CONFIG_SYSTEM++";
        our $GITWEB_CONFIG_COMMON = $ENV{'GITWEB_CONFIG_COMMON'} || "++GITWEB_CONFIG_COMMON++";
 
-       # Protect agains duplications of file names, to not read config twice.
+       # Protect against duplications of file names, to not read config twice.
        # Only one of $GITWEB_CONFIG and $GITWEB_CONFIG_SYSTEM is used, so
        # there possibility of duplication of filename there doesn't matter.
        $GITWEB_CONFIG = ""        if ($GITWEB_CONFIG eq $GITWEB_CONFIG_COMMON);
@@ -1137,7 +1137,7 @@ sub handle_errors_html {
 
        # to avoid infinite loop where error occurs in die_error,
        # change handler to default handler, disabling handle_errors_html
-       set_message("Error occured when inside die_error:\n$msg");
+       set_message("Error occurred when inside die_error:\n$msg");
 
        # you cannot jump out of die_error when called as error handler;
        # the subroutine set via CGI::Carp::set_message is called _after_
@@ -7486,7 +7486,7 @@ sub git_object {
                system(git_cmd(), "cat-file", '-e', $hash_base) == 0
                        or die_error(404, "Base object does not exist");
 
-               # here errors should not hapen
+               # here errors should not happen
                open my $fd, "-|", git_cmd(), "ls-tree", $hash_base, "--", $file_name
                        or die_error(500, "Open git-ls-tree failed");
                my $line = <$fd>;