[OE-core] [RFC PATCH 03/10] create-pull-request: use git request-pull and arbitrary remotes

[Joshua Lock]

On Fri, 2011-05-13 at 16:37 -0700, Darren Hart wrote:
> Allow for arbitrary remotes via a new -u argument. Remove the hard coded
> references to the pokylinux repositories. Create the WEB_URL from known
> remotes. Future patches can add additional WEB_URL mappings for remotes
> like Git Hub, Gitorious, and kernel.org.
> 
> Rather than duplicating the git request-pull command ourselves, just use
> the existing one.
> 
> Signed-off-by: Darren Hart <dvhart at linux.intel.com>
> Cc: Tom Rini <tom_rini at mentor.com>
> Cc: Martin Jansa <martin.jansa at gmail.com>
> Cc: Otavio Salvador <otavio at ossystems.com.br>
> Cc: Richard Purdie <richard.purdie at linuxfoundation.org>
> ---
>  scripts/create-pull-request |   74 ++++++++++++++++++++++++++++--------------
>  1 files changed, 49 insertions(+), 25 deletions(-)
> 
> diff --git a/scripts/create-pull-request b/scripts/create-pull-request
> index b7e015a..c6cf817 100755
> --- a/scripts/create-pull-request
> +++ b/scripts/create-pull-request
> @@ -2,14 +2,13 @@
>  ODIR=pull-$$
>  RELATIVE_TO="master"
>  COMMIT_ID="HEAD"
> -PULL_URL="git://git.pokylinux.org/poky-contrib.git"
>  PREFIX="PATCH"
>  
>  usage() {
>  CMD=$(basename $0)
>  cat <<EOM
> -Usage: $CMD [-h] [-o output_dir] [-m msg_body_file] [-s subject] [-r relative_to] [-i commit_id] -b contrib_branch
> -  -b contrib_branch   Branch-name in the git.pokylinux.org/poky-contrib tree
> +Usage: $CMD [-h] [-o output_dir] [-m msg_body_file] [-s subject] [-r relative_to] [-i commit_id] -u remote -b branch
> +  -b branch           Branch name in the specified remote
>    -h                  Display this help message
>    -i commit_id        Ending commit (default: HEAD)
>    -m msg_body_file    The file containing a blurb to be inserted into the summary email
> @@ -17,20 +16,21 @@ Usage: $CMD [-h] [-o output_dir] [-m msg_body_file] [-s subject] [-r relative_to
>    -p prefix           Use [prefix N/M] instead of [PATCH N/M] as the subject prefix
>    -r relative_to      Starting commit (default: master)
>    -s subject          The subject to be inserted into the summary email
> +  -u remote           The git remote where the branch is located
>  
>   Examples:
> -   $CMD -b nitin/basic
> -   $CMD -r distro/master -i nitin/distro -b nitin/distro
> -   $CMD -r master -i misc -b nitin/misc -o pull-misc
> -   $CMD -p "RFC PATCH" -b nitin/experimental
> +   $CMD -u contrib -b nitin/basic
> +   $CMD -u contrib -r distro/master -i nitin/distro -b nitin/distro
> +   $CMD -u contrib -r master -i misc -b nitin/misc -o pull-misc
> +   $CMD -u contrib -p "RFC PATCH" -b nitin/experimental
>  EOM
>  }
>  
>  # Parse and validate arguments
> -while getopts "b:hi:m:o:p:r:s:" OPT; do
> +while getopts "b:hi:m:o:p:r:s:u:" OPT; do
>  	case $OPT in
>  	b)
> -		CONTRIB_BRANCH="$OPTARG"
> +		BRANCH="$OPTARG"
>  		;;
>  	h)
>  		usage
> @@ -58,23 +58,42 @@ while getopts "b:hi:m:o:p:r:s:" OPT; do
>  	s)
>  		SUBJECT="$OPTARG"
>  		;;
> +	u)
> +		REMOTE="$OPTARG"
> +		REMOTE_URL=$(git config remote.$REMOTE.url)
> +		if [ $? -ne 0 ]; then
> +			echo "ERROR: git config failed to find a url for '$REMOTE'"
> +			exit 1
> +		fi
> +		;;
>  	esac
>  done
>  
> -if [ -z "$CONTRIB_BRANCH" ]; then
> +if [ -z "$BRANCH" ] || [ -z "$REMOTE_URL" ]; then
>  	usage
>  	exit 1
>  fi
>  
> 
> +# Set WEB_URL from known remotes
> +case "$REMOTE_URL" in
> +	*git.yoctoproject.org*)
> +		WEB_URL="http://git.yoctoproject.org/cgit.cgi/poky-contrib/log/?h=$BRANCH"
> +		;;
> +	*git.pokylinux.org*)
> +		WEB_URL="http://git.pokylinux.org/cgit.cgi/poky-contrib/log/?h=$BRANCH"
> +		;;
> +esac

Nit: what about if this is a remote branch on that server but not for
that repo?

> +
>  # Perform a sanity test on the web URL. Issue a warning if it is not
>  # accessible, but do not abort as users may want to run offline.
> -WEB_URL="http://git.pokylinux.org/cgit.cgi/poky-contrib/log/?h=$CONTRIB_BRANCH"
> -wget -q $WEB_URL -O /dev/null
> -if [ $? -ne 0 ]; then
> -	echo "WARNING: Branch '$CONTRIB_BRANCH' was not found on the contrib git tree."
> -	echo "         Please check your contrib-branch parameter before sending."
> -	echo ""
> +if [ -n "$WEB_URL" ]; then
> +	wget -q $WEB_URL -O /dev/null
> +	if [ $? -ne 0 ]; then
> +		echo "WARNING: Branch '$BRANCH' was not found on the contrib git tree."
> +		echo "         Please check your remote and branch parameter before sending."
> +		echo ""
> +	fi
>  fi
>  
>  if [ -e $ODIR ]; then
> @@ -90,18 +109,23 @@ git format-patch -M --subject-prefix="$PREFIX" -n -o $ODIR --thread=shallow --co
>  
>  # Customize the cover letter
>  CL="$ODIR/0000-cover-letter.patch"
> -(cat <<EOM
> +PM="$ODIR/pull-msg"
> +git request-pull $RELATIVE_TO $REMOTE_URL $COMMIT_ID > "$PM"
> +if [ $? -ne 0 ]; then
> +	echo "ERROR: git request-pull reported an error"
> +	exit 1
> +fi
>  
> -Pull URL: $PULL_URL
> -  Branch: $CONTRIB_BRANCH
> -  Browse: $WEB_URL
> +# The cover letter already has a diffstat, remove it from the pull-msg
> +# before inserting it.
> +sed -n "0,\#$REMOTE_URL# p" "$PM" | sed -i "/BLURB HERE/ r /dev/stdin" "$CL"
> +rm "$PM"
>  
> -Thanks,
> -    $(git config user.name) <$(git config user.email)>
> ----
> +# Insert the WEB_URL if there is one
> +if [ -n "$WEB_URL" ]; then
> +	echo "  $WEB_URL" | sed -i "\#$REMOTE_URL# r /dev/stdin" "$CL"
> +fi
>  
> -EOM
> -) | sed -i "/BLURB HERE/ r /dev/stdin" "$CL"
>  
>  # If the user specified a message body, insert it into the cover letter and
>  # remove the BLURB token.

-- 
Joshua Lock
        Yocto Build System Monkey
        Intel Open Source Technology Centre