Re: [PATCH] topgit tg push feature

> Thanks to Bert Wesarg, Uwe Kleine-König and Martin f Krafft the
> patch is finally ready to be comitted (?) I included ukleineks last
> nitpicks.
> 
> ukleinek, usage line: remote2 = just another remote location.

> diff --git a/.gitignore b/.gitignore
> index eb56446..2f6d991 100644
> --- a/.gitignore
> +++ b/.gitignore
> @@ -21,6 +21,8 @@
>  /tg-import.txt
>  /tg-remote
>  /tg-remote.txt
> +/tg-push
> +/tg-push.txt
>  /tg
>  .*.swp
>  
> diff --git a/README b/README
> index d2f095d..495c70b 100644
> --- a/README
> +++ b/README
> @@ -480,6 +480,12 @@ tg update
>  
>  	TODO: tg update -a for updating all topic branches
>  
> +tg push
> +~~~~~~~
> +	pushes a TopGit-controlled topic branch to a remote
> +	repository.  By default the remote gets all dependencies
> +	(both tgish and non-tgish) and bases pushed to.
> +
>  TODO: tg rename
>  
>  
> diff --git a/tg-push.sh b/tg-push.sh
> new file mode 100644
> index 0000000..5df5073
> --- /dev/null
> +++ b/tg-push.sh
> @@ -0,0 +1,78 @@
> +#!/bin/sh
> +# TopGit - A different patch queue manager
> +# GPLv2
> +
> +remotes="$base_remote" # honor -r flag of the tg command
> +
> +## Parse options see README
> +
> +recurse_deps=true
> +tgish_deps_only=false
> +dry_run=
> +
> +while [ -n "$1" ]; do
> +	arg="$1"; shift
> +	case "$arg" in
> +	--no-deps)
> +		recurse_deps=false;;
> +	--dry-run)
> +		dry_run=--dry-run;;
> +	--tgish-only)
> +		tgish_deps_only=true;;
> +	-h|--help)
> +		echo "Usage: tg [-r remote] push [--dry-run] [--no-deps] [--tgish-only] [-r "remote2 remote3"]* branch*"
> +		exit 0;;
> +	-r)
> +		remotes="$remotes $1"
> +		shift
> +		;;
> +	*)
> +		branches="$branches $arg";;
> +	esac
> +done
> +
> +if [ -z "$remotes" ]; then
> +	remotes="$(git config topgit.remote 2>/dev/null)"
> +fi

> +if [ -z "$remotes" ]; then
> +	die "no remote location given. Either use -r remote argument or set topgit.remote"
> +fi
> +
> +if [ -z "$branches" ]; then
> +	branches="$(git symbolic-ref HEAD | sed 's#^refs/heads/##')"
> +fi
> +
> +for name in $branches; do
> +	ref_exists "$name" || die "detached HEAD? Can't push $name"
> +done
> +
> +push_branch(){
> +	# if so desired omit non tgish deps
> +	$tgish_deps_only && [ -z "$_dep_is_tgish" ] && return 0
> +
> +	echo "$_dep"
> +	local base="top-bases/$_dep"
> +	if ref_exists "$base"; then
> +		echo "top-bases/$_dep"
> +	else
> +		echo "warning, no base found $base" 1>&2
> +	fi
> +}
> +
> +for remote in $remotes; do
> +	for name in $branches; do
> +		list="$(
> +			# deps
> +			if $recurse_deps; then
> +				no_remotes=1 recurse_deps push_branch "$name"
> +			fi
> +			# current branch
> +			_dep="$name"
> +			_dep_is_tgish=1
> +			push_branch "$name"
> +		)"
> +		echo "pushing:"; echo $list
> +        git push $dry_run "$remote" $list
> +	done
> +done
> diff --git a/tg.sh b/tg.sh
> index 0804f73..7d98dbd 100644
> --- a/tg.sh
> +++ b/tg.sh
> @@ -136,6 +136,7 @@ branch_annihilated()
>  # of the whole function.
>  # If recurse_deps() hits missing dependencies, it will append
>  # them to space-separated $missing_deps list and skip them.
> +# set no_remotes to any value to omit remote dependencies (-> tg push)
>  recurse_deps()
>  {
>  	_cmd="$1"; shift
> @@ -145,9 +146,8 @@ recurse_deps()
>  	_depsfile="$(mktemp -t tg-depsfile.XXXXXX)"
>  	# Check also our base against remote base. Checking our head
>  	# against remote head has to be done in the helper.
> -	if has_remote "top-bases/$_name"; then
> +	has_remote "top-bases/$_name" && [ -z "$no_remotes" ] &&
>  		echo "refs/remotes/$base_remote/top-bases/$_name" >>"$_depsfile"
> -	fi
>  
>  	# if the branch was annihilated, there exists no .topdeps file
>  	if ! branch_annihilated "$_name"; then
> @@ -366,6 +366,8 @@ help|--help|-h)
>  --hooks-path)
>  	# Internal command
>  	echo "@hooksdir@";;
> +eval)
> +	eval "$@";;
>  *)
>  	[ -r "@cmddir@"/tg-$cmd ] || {
>  		echo "Unknown subcommand: $cmd" >&2