Re: [PATCH] topgit tg push feature

[Marc Weber <marco-oweber@gmx.de>]

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.

Marc Weber

commit 0bfa198a3cae72d75ca1311bb7a8d495ca2b42cc
Author: Marc Weber <marco-oweber@gmx.de>
Date:   Mon May 11 23:04:20 2009 +0200

    add tg-push pushing the branch, its deps and their bases
    
    Signed-off-by: Marc Weber <marco-oweber@gmx.de>

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