Add Bash completion

Used
https://github.com/git/git/blob/7cc763aaa3f39c62e0b2d5520e9d2bd8e4f3c4b3/contrib/completion/git-completion.bash
as a reference. Learned how to set up completion for a custom subcommand
from:
https://github.com/bobthecow/git-flow-completion/blob/4180a3a0e1b286d5f35fefbea5adf5ce9875ecc3/git-flow-completion.bash

1 files changed, 44 insertions, 0 deletions

diff --git a/git-branch-list.bash-completion b/git-branch-list.bash-completion
new file mode 100644
index 0000000..fdab648
--- /dev/null
+++ b/git-branch-list.bash-completion
@@ -0,0 +1,44 @@
+# Bash completion for git-branch-list
+
+# Copyright (c) 2018  Teddy Wing
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+function _git_branch_list () {
+	local branch_ids=$(git branch-list |
+		tr -d ' ' |
+		cut -d '	' -f 1)
+
+	local subcommands="save drop $branch_ids"
+	local subcommand="$(__git_find_on_cmdline "$subcommands")"
+
+	if [ -z "$subcommand" ]; then
+		__gitcomp "$subcommands"
+		return
+	fi
+
+	case "$subcommand" in
+		save)
+			__git_complete_revlist
+			return
+			;;
+		drop)
+			__git_complete_revlist
+			return
+			;;
+		*)
+			COMPREPLY=()
+			;;
+	esac
+}