diff options
Diffstat (limited to 'git-tools/hooks/pre-commit')
| -rwxr-xr-x | git-tools/hooks/pre-commit | 65 |
1 files changed, 59 insertions, 6 deletions
diff --git a/git-tools/hooks/pre-commit b/git-tools/hooks/pre-commit index 4d03359773..03babe47cd 100755 --- a/git-tools/hooks/pre-commit +++ b/git-tools/hooks/pre-commit @@ -12,8 +12,17 @@ # ln -s ../../git-tools/hooks/pre-commit \\ # .git/hooks/pre-commit -# NOTE: this is run through /usr/bin/env -PHP_BIN=php +if [ -z "$PHP_BIN" ] +then + PHP_BIN=php +fi + +if [ "$(echo -e test)" = test ] +then + echo_e="echo -e" +else + echo_e="echo" +fi # necessary check for initial commit if git rev-parse --verify HEAD >/dev/null 2>&1 @@ -27,7 +36,7 @@ fi error=0 errors="" -if ! which $PHP_BIN >/dev/null 2>&1 +if ! which "$PHP_BIN" >/dev/null 2>&1 then echo "PHP Syntax check failed:" echo "PHP binary does not exist or is not in path: $PHP_BIN" @@ -64,7 +73,13 @@ do # check the staged file content for syntax errors # using php -l (lint) - result=$(git cat-file -p $sha | /usr/bin/env $PHP_BIN -l 2>/dev/null) + # note: if display_errors=stderr in php.ini, + # parse errors are printed on stderr; otherwise + # they are printed on stdout. + # we filter everything other than parse errors + # with a grep below, therefore it should be safe + # to combine stdout and stderr in all circumstances + result=$(git cat-file -p $sha | "$PHP_BIN" -l 2>&1) if [ $? -ne 0 ] then error=1 @@ -76,7 +91,45 @@ unset IFS if [ $error -eq 1 ] then - echo -e "PHP Syntax check failed:"; - echo -e "$errors" | grep "^Parse error:" + echo "PHP Syntax check failed:" + # php "display errors" (display_errors php.ini value) + # and "log errors" (log_errors php.ini value). + # these are independent settings - see main/main.c in php source. + # the "log errors" setting produces output which + # starts with "PHP Parse error:"; the "display errors" + # setting produces output starting with "Parse error:". + # if both are turned on php dumps the parse error twice. + # therefore here we try to grep for one version and + # if that yields no results grep for the other version. + # + # other fun php facts: + # + # 1. in cli, display_errors and log_errors have different + # destinations by default. display_errors prints to + # standard output and log_errors prints to standard error. + # whether these destinations make sense is left + # as an exercise for the reader. + # 2. as mentioned above, with all output turned on + # php will print parse errors twice, one time on stdout + # and one time on stderr. + # 3. it is possible to set both display_errors and log_errors + # to off. if this is done php will print the text + # "Errors parsing <file>" but will not say what + # the errors are. useful behavior, this. + # 4. on my system display_errors defaults to on and + # log_errors defaults to off, therefore providing + # by default one copy of messages. your mileage may vary. + # 5. by setting display_errors=stderr and log_errors=on, + # both sets of messages will be printed on stderr. + # 6. php-cgi binary, given display_errors=stderr and + # log_errors=on, still prints both sets of messages + # on stderr, but formats one set as an html fragment. + # 7. your entry here? ;) + $echo_e "$errors" | grep "^Parse error:" + if [ $? -ne 0 ] + then + # match failed + $echo_e "$errors" | grep "^PHP Parse error:" + fi exit 1 fi |