[PATCH v2] commit: add commit.signoff config option

2015-06-25 Thread Caio Marcelo de Oliveira Filho
In projects that use Signed-off-by, it's convenient to include that line
in the commit message by default. The commit.signoff config option
allows to add that line in all commits automatically.

Document that this config option can be overriden by using
--no-signoff.

Signed-off-by: Caio Marcelo de Oliveira Filho cmarc...@gmail.com
---

Differences from v1:
* Use test_config helper in the test
* Add bash completion for commit and config

 Documentation/config.txt   |  6 ++
 Documentation/git-commit.txt   |  5 +
 builtin/commit.c   |  4 
 contrib/completion/git-completion.bash |  4 +++-
 t/t7500-commit.sh  | 20 
 5 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/Documentation/config.txt b/Documentation/config.txt
index 3e37b93..e019f62 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -1089,6 +1089,12 @@ commit.gpgSign::
convenient to use an agent to avoid typing your GPG passphrase
several times.
 
+commit.signoff::
+
+   A boolean to enable/disable whether Signed-off-by line by the
+   committer should be added to all commits at the end of the
+   commit log messages.  Defaults to false.
+
 commit.status::
A boolean to enable/disable inclusion of status information in the
commit message template when using an editor to prepare the commit
diff --git a/Documentation/git-commit.txt b/Documentation/git-commit.txt
index 904dafa..7546c7a 100644
--- a/Documentation/git-commit.txt
+++ b/Documentation/git-commit.txt
@@ -156,6 +156,11 @@ OPTIONS
Add Signed-off-by line by the committer at the end of the commit
log message.
 
+--no-signoff::
+   Countermand `commit.signoff` configuration, preventing a
+   Signed-off-by line to be added at the end of the commit log
+   message.
+
 -n::
 --no-verify::
This option bypasses the pre-commit and commit-msg hooks.
diff --git a/builtin/commit.c b/builtin/commit.c
index 254477f..5cfbe57 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -1505,6 +1505,10 @@ static int git_commit_config(const char *k, const char 
*v, void *cb)
sign_commit = git_config_bool(k, v) ?  : NULL;
return 0;
}
+   if (!strcmp(k, commit.signoff)) {
+   signoff = git_config_bool(k, v);
+   return 0;
+   }
 
status = git_gpg_config(k, v, NULL);
if (status)
diff --git a/contrib/completion/git-completion.bash 
b/contrib/completion/git-completion.bash
index c97c648..7a79a89 100644
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -1123,7 +1123,8 @@ _git_commit ()
;;
--*)
__gitcomp 
-   --all --author= --signoff --verify --no-verify
+   --all --author=
+   --signoff --no-signoff --verify --no-verify
--edit --no-edit
--amend --include --only --interactive
--dry-run --reuse-message= --reedit-message=
@@ -2009,6 +2010,7 @@ _git_config ()
color.status.untracked
color.status.updated
color.ui
+   commit.signoff
commit.status
commit.template
core.abbrev
diff --git a/t/t7500-commit.sh b/t/t7500-commit.sh
index 116885a..949272d 100755
--- a/t/t7500-commit.sh
+++ b/t/t7500-commit.sh
@@ -179,6 +179,26 @@ test_expect_success '--signoff' '
test_cmp expect output
 '
 
+test_expect_success 'commit.signoff config option' '
+   test_config commit.signoff true 
+   echo yet another content *narf*  foo 
+   echo zort | git commit -F - foo 
+   git cat-file commit HEAD | sed 1,/^\$/d  output 
+   test_cmp expect output
+'
+
+cat  expect EOF
+no signed off by here
+EOF
+
+test_expect_success '--no-signoff' '
+   test_config commit.signoff true 
+   echo yet another content *narf*  foo 
+   echo no signed off by here | git commit --no-signoff -F - foo 
+   git cat-file commit HEAD | sed 1,/^\$/d  output 
+   test_cmp expect output
+'
+
 test_expect_success 'commit message from file (1)' '
mkdir subdir 
echo Log in top directory log 
-- 
2.4.4.489.g5bc41de

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Re: [PATCH v2] commit: add commit.signoff config option

2015-06-25 Thread Johannes Löthberg

On 25/06, Junio C Hamano wrote:

Caio Marcelo de Oliveira Filho cmarc...@gmail.com writes:
Hmm, I do not recall seeing v1 but that is OK.

The following immediately comes to mind.

http://thread.gmane.org/gmane.comp.version-control.git/51754/focus=51780


To be honest I'm not sure I buy that since we have `git commit -s`, 
which is just as easily added as a really simple git alias.


--
Sincerely,
 Johannes Löthberg
 PGP Key ID: 0x50FB9B273A9D0BB5
 https://theos.kyriasis.com/~kyrias/


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Re: [PATCH v2] commit: add commit.signoff config option

2015-06-25 Thread Caio Marcelo de Oliveira Filho
Hi,

 Hmm, I do not recall seeing v1 but that is OK.

http://thread.gmane.org/gmane.comp.version-control.git/272635
http://thread.gmane.org/gmane.comp.version-control.git/272636


 The following immediately comes to mind.

 http://thread.gmane.org/gmane.comp.version-control.git/51754/focus=51780

Thanks for the reference, amazed that I ended up using the same title!
From the thread:

 Even though these lines are not digitally signed,
 the intent of adding a Signed-off-by: line with your name is
 that you are certifying its origin, according to the definition
 of DCO (see Documentation/SubmittingPatches).  This should be a
 conscious act from the signer's part, and making it automatic
 with a config variable that you set once and forget makes it
 much less meaningful.

This is a fair point. However I've seen that in practice, in some
cases it's easier
to consider the DCO as the rules for contributing to the entire
project. In those
cases people tend to use commit templates or aliases or hooks, which in practice
automate the signing off act anyway.

A similar concern probably applies to format.signOff option. Would be sufficient
to add a note about conscious act (like format.signOff has) to the
config description?


-- 
Caio Marcelo de Oliveira Filho
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Re: [PATCH v2] commit: add commit.signoff config option

2015-06-25 Thread Junio C Hamano
Caio Marcelo de Oliveira Filho cmarc...@gmail.com writes:

 In projects that use Signed-off-by, it's convenient to include that line
 in the commit message by default. The commit.signoff config option

Hmm, I do not recall seeing v1 but that is OK.

The following immediately comes to mind.

http://thread.gmane.org/gmane.comp.version-control.git/51754/focus=51780
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Re: [PATCH v2] commit: add commit.signoff config option

2015-06-25 Thread Junio C Hamano
Caio Marcelo de Oliveira Filho cmarc...@gmail.com writes:

 A similar concern probably applies to format.signOff option. Would
 be sufficient to add a note about conscious act (like
 format.signOff has) to the config description?

I am generally in negative on automating this.  This is not just you
but makes everybody else's S-o-b less and less meaningful (Their
tool have ways to add that string randomly, and many of these ways
the user ends up adding that string without even conciously thinking
what they are doing.  Does that string even mean anything anymore?).

One solution might be to make this not a straight-forward boolean,
but an option that superficially takes a string and treats one
specific value as true and everything else as false, e.g.

[commit]
signoff = I certify that all my work is licenseable under DCO

I dunno.
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Re: [PATCH v2] commit: add commit.signoff config option

2015-06-25 Thread Torsten Bögershausen
On 2015-06-25 16.50, Caio Marcelo de Oliveira Filho wrote:

 +test_expect_success 'commit.signoff config option' '
 + test_config commit.signoff true 
 + echo yet another content *narf*  foo 

Minor nit:
The  or  should be written without a space, like this:
foo

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Re: [PATCH v2] commit: add commit.signoff config option

2015-06-25 Thread Matthieu Moy
Junio C Hamano gits...@pobox.com writes:

 [commit]
 signoff = I certify that all my work is licenseable under DCO

I like this one.

The paranoid version would be

signoff = I certify that all my work in /home/my/projects/foo are ...

to avoid mistakenly have the config option applied to the wrong repo.
But that's probably overkill.

-- 
Matthieu Moy
http://www-verimag.imag.fr/~moy/
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