[PATCH for comments] configure: install a whitespace checking pre-commit hook for developers
Jeremy Allison
jra at samba.org
Tue Apr 10 16:27:50 UTC 2018
On Tue, Apr 10, 2018 at 02:45:24PM +0200, Ralph Böhme via samba-technical wrote:
> On Tue, Apr 10, 2018 at 02:38:36PM +0200, Ralph Böhme wrote:
> > On Tue, Apr 10, 2018 at 02:29:41PM +0200, Swen Schillig wrote:
> > > Ralph, don't you need to add that "--cached" parameter to your script
> > > as well ?
> > > As stated in one of my earlier mails, I believe you need that 'cause
> > > otherwise all modified files are checked and not just the ones which
> > > are part of the commit (were add'ed before).
> >
> > are you sure? It's a commit hook after all so my expectation was it only check
> > what I commit. I'll check...
>
> d'oh! You're obviously right...
>
> Updated patch attached.
OK, where are we with this ? Are we able to commit this
as it seems to solve the immediate problem ?
Sure we can add more stuff later, but consider this
a RB+ from me (and when can we push ? :-).
Cheers,
Jeremy.
> --
> Ralph Boehme, Samba Team https://samba.org/
> Samba Developer, SerNet GmbH https://sernet.de/en/samba/
> GPG Key Fingerprint: FAE2 C608 8A24 2520 51C5
> 59E4 AA1E 9B71 2639 9E46
> From 76fb1110a62d25497252c863d2d6f6e33530dabe Mon Sep 17 00:00:00 2001
> From: Ralph Boehme <slow at samba.org>
> Date: Tue, 10 Apr 2018 13:04:27 +0200
> Subject: [PATCH 1/2] Add a wrapper script as git pre-commit hook
>
> When developer mode is enabled, the wrapper script
> "script/git-hooks/pre-commit-hook" gets installed as
>
> .git/hooks/pre-commit
>
> and calls "script/git-hooks/pre-commit-script".
>
> This way we can later modify the "script/git-hooks/pre-commit-script"
> without the need to ever change the installed commit hook itself.
>
> Signed-off-by: Ralph Boehme <slow at samba.org>
> ---
> script/git-hooks/pre-commit-hook | 7 +++++++
> script/git-hooks/pre-commit-script | 9 +++++++++
> wscript | 9 ++++++++-
> 3 files changed, 24 insertions(+), 1 deletion(-)
> create mode 100755 script/git-hooks/pre-commit-hook
> create mode 100755 script/git-hooks/pre-commit-script
>
> diff --git a/script/git-hooks/pre-commit-hook b/script/git-hooks/pre-commit-hook
> new file mode 100755
> index 00000000000..223a30dc53d
> --- /dev/null
> +++ b/script/git-hooks/pre-commit-hook
> @@ -0,0 +1,7 @@
> +#!/bin/sh
> +
> +gitdir=$(git rev-parse --show-toplevel)
> +
> +${gitdir}/script/git-hooks/pre-commit-script || exit $?
> +
> +exit 0
> diff --git a/script/git-hooks/pre-commit-script b/script/git-hooks/pre-commit-script
> new file mode 100755
> index 00000000000..eb4114e197d
> --- /dev/null
> +++ b/script/git-hooks/pre-commit-script
> @@ -0,0 +1,9 @@
> +#!/bin/sh
> +
> +gitdir=$(git rev-parse --show-toplevel)
> +if [ $? -ne 0 ] ; then
> + echo "git rev-parse --show-toplevel failed"
> + exit 1
> +fi
> +
> +exit 0
> diff --git a/wscript b/wscript
> index 0985aa94867..9c42f9a6ef6 100644
> --- a/wscript
> +++ b/wscript
> @@ -10,7 +10,7 @@ import sys, os, tempfile
> sys.path.insert(0, srcdir+"/buildtools/wafsamba")
> import wafsamba, Options, samba_dist, samba_git, Scripting, Utils, samba_version
> import Logs, samba_utils
> -
> +import shutil
>
> samba_dist.DIST_DIRS('.')
> samba_dist.DIST_BLACKLIST('.gitignore .bzrignore source4/selftest/provisions')
> @@ -105,6 +105,13 @@ default_prefix = Options.default_prefix = '/usr/local/samba'
> if Options.options.developer:
> conf.ADD_CFLAGS('-DDEVELOPER -DDEBUG_PASSWORD')
> conf.env.DEVELOPER = True
> + # if we are in a git tree without a pre-commit hook, install a
> + # simple default.
> + pre_commit_hook = os.path.join(srcdir, '.git/hooks/pre-commit')
> + if (os.path.isdir(os.path.dirname(pre_commit_hook)) and
> + not os.path.exists(pre_commit_hook)):
> + shutil.copy(os.path.join(srcdir, 'script/git-hooks/pre-commit-hook'),
> + pre_commit_hook)
>
> conf.ADD_EXTRA_INCLUDES('#include/public #source4 #lib #source4/lib #source4/include #include #lib/replace')
>
> --
> 2.13.6
>
>
> From 2aefd14ed47d46b4f362763caa12c13c76c292b4 Mon Sep 17 00:00:00 2001
> From: Ralph Boehme <slow at samba.org>
> Date: Tue, 10 Apr 2018 13:19:09 +0200
> Subject: [PATCH 2/2] script/git-hooks: add check-trailing-whitespace
>
> Signed-off-by: Ralph Boehme <slow at samba.org>
> ---
> script/git-hooks/check-trailing-whitespace | 17 +++++++++++++++++
> script/git-hooks/pre-commit-script | 2 ++
> 2 files changed, 19 insertions(+)
> create mode 100755 script/git-hooks/check-trailing-whitespace
>
> diff --git a/script/git-hooks/check-trailing-whitespace b/script/git-hooks/check-trailing-whitespace
> new file mode 100755
> index 00000000000..5303f1fcefa
> --- /dev/null
> +++ b/script/git-hooks/check-trailing-whitespace
> @@ -0,0 +1,17 @@
> +#!/bin/sh
> +
> +git diff-index --cached --check HEAD -- :/*.[ch] :/*.p[ylm]
> +
> +if [ $? != 0 ]; then
> + echo
> + echo "The commit failed because it seems to introduce trailing whitespace"
> + echo "into C, Perl, or Python code."
> + echo
> + echo "If you are sure you want to do this, repeat the commit with the "
> + echo "--no-verify, like this:"
> + echo
> + echo " git commit --no-verify"
> + exit 1
> +fi
> +
> +exit 0
> diff --git a/script/git-hooks/pre-commit-script b/script/git-hooks/pre-commit-script
> index eb4114e197d..98e1bd5269e 100755
> --- a/script/git-hooks/pre-commit-script
> +++ b/script/git-hooks/pre-commit-script
> @@ -6,4 +6,6 @@ if [ $? -ne 0 ] ; then
> exit 1
> fi
>
> +${gitdir}/script/git-hooks/check-trailing-whitespace || exit $?
> +
> exit 0
> --
> 2.13.6
>
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