[{"id":4024,"web_url":"https://patchwork.libcamera.org/comment/4024/","msgid":"<20200316132759.GL4732@pendragon.ideasonboard.com>","date":"2020-03-16T13:27:59","subject":"Re: [libcamera-devel] [PATCH] utils: checkstyle: Add a ShellChecker","submitter":{"id":2,"url":"https://patchwork.libcamera.org/api/people/2/","name":"Laurent Pinchart","email":"laurent.pinchart@ideasonboard.com"},"content":"Hi Kieran,\n\nThank you for the patch.\n\nOn Mon, Mar 16, 2020 at 01:21:21PM +0000, Kieran Bingham wrote:\n> Hook the utility 'shellcheck' into our checkstyle helper to\n> automatically verify shell script additions.\n> \n> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\n\nReviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n\n> ---\n>  utils/checkstyle.py | 38 ++++++++++++++++++++++++++++++++++++++\n>  1 file changed, 38 insertions(+)\n> \n> diff --git a/utils/checkstyle.py b/utils/checkstyle.py\n> index 5ac14508bad5..0827a1e6ba0f 100755\n> --- a/utils/checkstyle.py\n> +++ b/utils/checkstyle.py\n> @@ -341,6 +341,44 @@ class Pep8Checker(StyleChecker):\n>          return issues\n>  \n>  \n> +class ShellChecker(StyleChecker):\n> +    patterns = ('*.sh',)\n> +    results_line_regex = re.compile('In - line ([0-9]+):')\n> +\n> +    def __init__(self, content):\n> +        super().__init__()\n> +        self.__content = content\n> +\n> +    def check(self, line_numbers):\n> +        issues = []\n> +        data = ''.join(self.__content).encode('utf-8')\n> +\n> +        try:\n> +            ret = subprocess.run(['shellcheck', '-Cnever', '-'],\n> +                                 input=data, stdout=subprocess.PIPE)\n> +        except FileNotFoundError:\n> +            issues.append(StyleIssue(0, None, \"Please install shellcheck to validate shell script additions\"))\n> +            return issues\n> +\n> +        results = ret.stdout.decode('utf-8').splitlines()\n> +        for nr, item in enumerate(results):\n> +            search = re.search(ShellChecker.results_line_regex, item)\n> +            if search is None:\n> +                continue\n> +\n> +            line_number = int(search.group(1))\n> +            line = results[nr + 1]\n> +            msg = results[nr + 2]\n> +\n> +            # Determined, but not yet used\n> +            position = msg.find('^') + 1\n> +\n> +            if line_number in line_numbers:\n> +                issues.append(StyleIssue(line_number, line, msg))\n> +\n> +        return issues\n> +\n> +\n>  # ------------------------------------------------------------------------------\n>  # Formatters\n>  #","headers":{"Return-Path":"<laurent.pinchart@ideasonboard.com>","Received":["from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id DC8AD6041A\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tMon, 16 Mar 2020 14:28:04 +0100 (CET)","from pendragon.ideasonboard.com (81-175-216-236.bb.dnainternet.fi\n\t[81.175.216.236])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 6FD67A3B;\n\tMon, 16 Mar 2020 14:28:04 +0100 (CET)"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1584365284;\n\tbh=baUR6GnIljqgyFDbH9xzYWO0T7VkW2/rGwMSPf11+qU=;\n\th=Date:From:To:Cc:Subject:References:In-Reply-To:From;\n\tb=XZNY/+X7Uq5I/FQ3RVp+sOHRc1Fed9vnGcdsQpUvaIot5Rd+qWFQPo/7mfU0Lb2Li\n\tbLaRCHGoml4L87KsIgvBlz9Nx9NJGn/PW8OOAHiqRojiHRw/6J6fDM64G9kqQeV6Ag\n\to46A8GrynkFfrbq7J6U73P9eD1SSzSGnP9fP22Vo=","Date":"Mon, 16 Mar 2020 15:27:59 +0200","From":"Laurent Pinchart <laurent.pinchart@ideasonboard.com>","To":"Kieran Bingham <kieran.bingham@ideasonboard.com>","Cc":"libcamera devel <libcamera-devel@lists.libcamera.org>","Message-ID":"<20200316132759.GL4732@pendragon.ideasonboard.com>","References":"<20200316132121.23330-1-kieran.bingham@ideasonboard.com>","MIME-Version":"1.0","Content-Type":"text/plain; charset=utf-8","Content-Disposition":"inline","In-Reply-To":"<20200316132121.23330-1-kieran.bingham@ideasonboard.com>","User-Agent":"Mutt/1.10.1 (2018-07-13)","Subject":"Re: [libcamera-devel] [PATCH] utils: checkstyle: Add a ShellChecker","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"<libcamera-devel.lists.libcamera.org>","List-Unsubscribe":"<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>","List-Archive":"<https://lists.libcamera.org/pipermail/libcamera-devel/>","List-Post":"<mailto:libcamera-devel@lists.libcamera.org>","List-Help":"<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>","List-Subscribe":"<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>","X-List-Received-Date":"Mon, 16 Mar 2020 13:28:05 -0000"}},{"id":4026,"web_url":"https://patchwork.libcamera.org/comment/4026/","msgid":"<69b138c1-1aa7-c90c-35cb-5c29286652de@ideasonboard.com>","date":"2020-03-16T13:43:51","subject":"Re: [libcamera-devel] [PATCH] utils: checkstyle: Add a ShellChecker","submitter":{"id":4,"url":"https://patchwork.libcamera.org/api/people/4/","name":"Kieran Bingham","email":"kieran.bingham@ideasonboard.com"},"content":"Hi Laurent\n\nOn 16/03/2020 13:27, Laurent Pinchart wrote:\n> Hi Kieran,\n> \n> Thank you for the patch.\n> \n> On Mon, Mar 16, 2020 at 01:21:21PM +0000, Kieran Bingham wrote:\n>> Hook the utility 'shellcheck' into our checkstyle helper to\n>> automatically verify shell script additions.\n>>\n>> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\n> \n> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n\n\nThanks, I meant to add here as a note:\n\nThis produces the following output:\n\n\nlibcamera/utils$ ./checkstyle.py HEAD^\n-----------------------------------------------------------------\n652973f905fdb2b642e7893d7d39c000432c0e03 DNI: Bad shell bad shell\n-----------------------------------------------------------------\n--- utils/gen-version.sh\n+++ utils/gen-version.sh\n#25:    ^-- SC2039: In POSIX sh, [[ ]] is undefined.\n+if [[ -z \"$build_dir\" ]] || (echo \"$build_dir\" | grep -q \"$src_dir\")\n---\n1 potential style issue detected, please review\n\nThe only 'undesirable' issue is that in shellcheck, the message is\nprinted below the 'line', and thus the '  ^--' is aligned to the point\nof the issue, which it isn't here.\n\nThat's not currently possible in our checkstyle, and I haven't even\nfiltered out the '^--', but those can be future improvements, and are\npurely cosmetic really.\n\n--\nKieran\n\n\n\n> \n>> ---\n>>  utils/checkstyle.py | 38 ++++++++++++++++++++++++++++++++++++++\n>>  1 file changed, 38 insertions(+)\n>>\n>> diff --git a/utils/checkstyle.py b/utils/checkstyle.py\n>> index 5ac14508bad5..0827a1e6ba0f 100755\n>> --- a/utils/checkstyle.py\n>> +++ b/utils/checkstyle.py\n>> @@ -341,6 +341,44 @@ class Pep8Checker(StyleChecker):\n>>          return issues\n>>  \n>>  \n>> +class ShellChecker(StyleChecker):\n>> +    patterns = ('*.sh',)\n>> +    results_line_regex = re.compile('In - line ([0-9]+):')\n>> +\n>> +    def __init__(self, content):\n>> +        super().__init__()\n>> +        self.__content = content\n>> +\n>> +    def check(self, line_numbers):\n>> +        issues = []\n>> +        data = ''.join(self.__content).encode('utf-8')\n>> +\n>> +        try:\n>> +            ret = subprocess.run(['shellcheck', '-Cnever', '-'],\n>> +                                 input=data, stdout=subprocess.PIPE)\n>> +        except FileNotFoundError:\n>> +            issues.append(StyleIssue(0, None, \"Please install shellcheck to validate shell script additions\"))\n>> +            return issues\n>> +\n>> +        results = ret.stdout.decode('utf-8').splitlines()\n>> +        for nr, item in enumerate(results):\n>> +            search = re.search(ShellChecker.results_line_regex, item)\n>> +            if search is None:\n>> +                continue\n>> +\n>> +            line_number = int(search.group(1))\n>> +            line = results[nr + 1]\n>> +            msg = results[nr + 2]\n>> +\n>> +            # Determined, but not yet used\n>> +            position = msg.find('^') + 1\n>> +\n>> +            if line_number in line_numbers:\n>> +                issues.append(StyleIssue(line_number, line, msg))\n>> +\n>> +        return issues\n>> +\n>> +\n>>  # ------------------------------------------------------------------------------\n>>  # Formatters\n>>  #\n>","headers":{"Return-Path":"<kieran.bingham@ideasonboard.com>","Received":["from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id A28DD6041A\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tMon, 16 Mar 2020 14:43:57 +0100 (CET)","from [192.168.0.20]\n\t(cpc89242-aztw30-2-0-cust488.18-1.cable.virginm.net [86.31.129.233])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id EC67DA3B;\n\tMon, 16 Mar 2020 14:43:56 +0100 (CET)"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1584366237;\n\tbh=IBqu+9A1KSrmDLL04TcejGM4DJcBzFYhS3BNdZg+MP0=;\n\th=Reply-To:Subject:To:Cc:References:From:Date:In-Reply-To:From;\n\tb=nGBHTvDw8M6ucKz9/qCBiX2mrTnFybbhOL2+aiHQtnlJzgeSJFEtBM/8W+5gm6Wfp\n\ttb8MeRHtQPvEtyMc8wRIrFWuSbgWSJoTUhSrJDNX1Ko3kCbuagN2Gj2f/TMODJNYM0\n\teTSs8R3L0QTvKvkDGUCptlGRi9HO3shFH/Uj6Wvs=","Reply-To":"kieran.bingham@ideasonboard.com","To":"Laurent Pinchart <laurent.pinchart@ideasonboard.com>","Cc":"libcamera devel <libcamera-devel@lists.libcamera.org>","References":"<20200316132121.23330-1-kieran.bingham@ideasonboard.com>\n\t<20200316132759.GL4732@pendragon.ideasonboard.com>","From":"Kieran Bingham <kieran.bingham@ideasonboard.com>","Openpgp":"preference=signencrypt","Autocrypt":"addr=kieran.bingham@ideasonboard.com; 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on Board","Message-ID":"<69b138c1-1aa7-c90c-35cb-5c29286652de@ideasonboard.com>","Date":"Mon, 16 Mar 2020 13:43:51 +0000","User-Agent":"Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101\n\tThunderbird/60.9.1","MIME-Version":"1.0","In-Reply-To":"<20200316132759.GL4732@pendragon.ideasonboard.com>","Content-Type":"text/plain; charset=utf-8","Content-Language":"en-GB","Content-Transfer-Encoding":"7bit","Subject":"Re: [libcamera-devel] [PATCH] utils: checkstyle: Add a ShellChecker","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"<libcamera-devel.lists.libcamera.org>","List-Unsubscribe":"<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>","List-Archive":"<https://lists.libcamera.org/pipermail/libcamera-devel/>","List-Post":"<mailto:libcamera-devel@lists.libcamera.org>","List-Help":"<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>","List-Subscribe":"<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>","X-List-Received-Date":"Mon, 16 Mar 2020 13:43:57 -0000"}},{"id":4028,"web_url":"https://patchwork.libcamera.org/comment/4028/","msgid":"<20200316135020.GM4732@pendragon.ideasonboard.com>","date":"2020-03-16T13:50:20","subject":"Re: [libcamera-devel] [PATCH] utils: checkstyle: Add a ShellChecker","submitter":{"id":2,"url":"https://patchwork.libcamera.org/api/people/2/","name":"Laurent Pinchart","email":"laurent.pinchart@ideasonboard.com"},"content":"Hi Kieran,\n\nOn Mon, Mar 16, 2020 at 01:43:51PM +0000, Kieran Bingham wrote:\n> On 16/03/2020 13:27, Laurent Pinchart wrote:\n> > On Mon, Mar 16, 2020 at 01:21:21PM +0000, Kieran Bingham wrote:\n> >> Hook the utility 'shellcheck' into our checkstyle helper to\n> >> automatically verify shell script additions.\n> >>\n> >> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\n> > \n> > Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n> \n> Thanks, I meant to add here as a note:\n> \n> This produces the following output:\n> \n> libcamera/utils$ ./checkstyle.py HEAD^\n> -----------------------------------------------------------------\n> 652973f905fdb2b642e7893d7d39c000432c0e03 DNI: Bad shell bad shell\n> -----------------------------------------------------------------\n> --- utils/gen-version.sh\n> +++ utils/gen-version.sh\n> #25:    ^-- SC2039: In POSIX sh, [[ ]] is undefined.\n> +if [[ -z \"$build_dir\" ]] || (echo \"$build_dir\" | grep -q \"$src_dir\")\n> ---\n> 1 potential style issue detected, please review\n> \n> The only 'undesirable' issue is that in shellcheck, the message is\n> printed below the 'line', and thus the '  ^--' is aligned to the point\n> of the issue, which it isn't here.\n> \n> That's not currently possible in our checkstyle, and I haven't even\n> filtered out the '^--', but those can be future improvements, and are\n> purely cosmetic really.\n\nI was about to recommend dropping the ^-- marker, but it serves as a\nreminder that we need to fix this, and will hopefully nerd-snipe someone\n:-)\n\n> >> ---\n> >>  utils/checkstyle.py | 38 ++++++++++++++++++++++++++++++++++++++\n> >>  1 file changed, 38 insertions(+)\n> >>\n> >> diff --git a/utils/checkstyle.py b/utils/checkstyle.py\n> >> index 5ac14508bad5..0827a1e6ba0f 100755\n> >> --- a/utils/checkstyle.py\n> >> +++ b/utils/checkstyle.py\n> >> @@ -341,6 +341,44 @@ class Pep8Checker(StyleChecker):\n> >>          return issues\n> >>  \n> >>  \n> >> +class ShellChecker(StyleChecker):\n> >> +    patterns = ('*.sh',)\n> >> +    results_line_regex = re.compile('In - line ([0-9]+):')\n> >> +\n> >> +    def __init__(self, content):\n> >> +        super().__init__()\n> >> +        self.__content = content\n> >> +\n> >> +    def check(self, line_numbers):\n> >> +        issues = []\n> >> +        data = ''.join(self.__content).encode('utf-8')\n> >> +\n> >> +        try:\n> >> +            ret = subprocess.run(['shellcheck', '-Cnever', '-'],\n> >> +                                 input=data, stdout=subprocess.PIPE)\n> >> +        except FileNotFoundError:\n> >> +            issues.append(StyleIssue(0, None, \"Please install shellcheck to validate shell script additions\"))\n> >> +            return issues\n> >> +\n> >> +        results = ret.stdout.decode('utf-8').splitlines()\n> >> +        for nr, item in enumerate(results):\n> >> +            search = re.search(ShellChecker.results_line_regex, item)\n> >> +            if search is None:\n> >> +                continue\n> >> +\n> >> +            line_number = int(search.group(1))\n> >> +            line = results[nr + 1]\n> >> +            msg = results[nr + 2]\n> >> +\n> >> +            # Determined, but not yet used\n> >> +            position = msg.find('^') + 1\n> >> +\n> >> +            if line_number in line_numbers:\n> >> +                issues.append(StyleIssue(line_number, line, msg))\n> >> +\n> >> +        return issues\n> >> +\n> >> +\n> >>  # ------------------------------------------------------------------------------\n> >>  # Formatters\n> >>  #","headers":{"Return-Path":"<laurent.pinchart@ideasonboard.com>","Received":["from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby 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<libcamera-devel@lists.libcamera.org>","Message-ID":"<20200316135020.GM4732@pendragon.ideasonboard.com>","References":"<20200316132121.23330-1-kieran.bingham@ideasonboard.com>\n\t<20200316132759.GL4732@pendragon.ideasonboard.com>\n\t<69b138c1-1aa7-c90c-35cb-5c29286652de@ideasonboard.com>","MIME-Version":"1.0","Content-Type":"text/plain; charset=utf-8","Content-Disposition":"inline","In-Reply-To":"<69b138c1-1aa7-c90c-35cb-5c29286652de@ideasonboard.com>","User-Agent":"Mutt/1.10.1 (2018-07-13)","Subject":"Re: [libcamera-devel] [PATCH] utils: checkstyle: Add a 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