Adding a bash completion script

- allows tab completion for deploy and clean script's subcommands

Change-Id: If5f5718a3695993767671ab823f434f463c593f2
Signed-off-by: Dan Radez <dradez@redhat.com>

2 files changed, 62 insertions, 0 deletions

diff --git a/build/bash_completion_apex b/build/bash_completion_apex
new file mode 100644
index 00000000..b3c963e3
--- /dev/null
+++ b/build/bash_completion_apex
@@ -0,0 +1,56 @@
+# bash/zsh completion support for OPNFV Apex
+##############################################################################
+# Copyright (c) 2016 Dan Radez (Red Hat) and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+
+# Pieces of this script are derived from the git bash completion script
+
+___main () {
+    local cur prev opts
+    COMPREPLY=()
+    cur="${COMP_WORDS[COMP_CWORD]}"
+    prev="${COMP_WORDS[COMP_CWORD-1]}"
+    opts=" -h $(${COMP_WORDS[0]} -h | grep -Eo '^   [^ ]+')"
+    if [[ ! $opts =~ $prev ]]; then
+        COMPREPLY=($(compgen -W "${opts}" -- ${cur}))
+    fi
+}
+
+# these functions are setup like this in the thought that
+# deploy and util will eventually diverge from each other
+# for now they can use the same main logic so it's just
+# abstracted to another function
+__deploy_main () {
+    ___main
+}
+
+
+__util_main () {
+    ___main
+}
+
+
+__apex_func_wrap () {
+    local cur words cword prev
+    _get_comp_words_by_ref -n =: cur words cword prev
+    $1
+}
+
+# Setup function for bash completion
+__apex_complete () {
+    local wrapper="__apex_wrap${2}"
+    eval "$wrapper () { __apex_func_wrap $2 ; }"
+    complete -o bashdefault -o default -o nospace -F $wrapper $1 2>/dev/null \
+        || complete -o default -o nospace -F $wrapper $1
+}
+
+# run completion setup
+__apex_complete ./deploy.sh __deploy_main
+__apex_complete opnfv-deploy __deploy_main
+__apex_complete ./util.sh __util_main
+__apex_complete opnfv-util __util_main
diff --git a/build/rpm_specs/opnfv-apex-common.spec b/build/rpm_specs/opnfv-apex-common.spec
index 8fd241b4..443c3e40 100644
--- a/build/rpm_specs/opnfv-apex-common.spec
+++ b/build/rpm_specs/opnfv-apex-common.spec
@@ -33,6 +33,9 @@ install ci/deploy.sh %{buildroot}%{_bindir}/opnfv-deploy
 install ci/clean.sh %{buildroot}%{_bindir}/opnfv-clean
 install ci/util.sh %{buildroot}%{_bindir}/opnfv-util
 
+mkdir -p %{buildroot}%{_sysconfdir}/bash_completion.d/
+install build/bash_completion_apex %{buildroot}%{_sysconfdir}/bash_completion.d/apex
+
 mkdir -p %{buildroot}%{_sysconfdir}/opnfv-apex/
 install config/deploy/os-nosdn-nofeature-noha.yaml %{buildroot}%{_sysconfdir}/opnfv-apex/os-nosdn-nofeature-noha.yaml
 install config/deploy/os-nosdn-fdio-noha.yaml %{buildroot}%{_sysconfdir}/opnfv-apex/os-nosdn-fdio-noha.yaml
@@ -105,6 +108,7 @@ install config/inventory/pod_example_settings.yaml %{buildroot}%{_docdir}/opnfv/
 %{python3_sitelib}/apex/
 %{_var}/opt/opnfv/lib/installer/onos/onos_gw_mac_update.sh
 %{_var}/opt/opnfv/lib/installer/domain.xml
+%{_sysconfdir}/bash_completion.d/apex
 %{_sysconfdir}/opnfv-apex/os-nosdn-nofeature-noha.yaml
 %{_sysconfdir}/opnfv-apex/os-nosdn-fdio-noha.yaml
 %{_sysconfdir}/opnfv-apex/os-nosdn-ovs-noha.yaml
@@ -132,6 +136,8 @@ install config/inventory/pod_example_settings.yaml %{buildroot}%{_docdir}/opnfv/
 %doc %{_docdir}/opnfv/inventory.yaml.example
 
 %changelog
+* Fri Sep 16 2016 Dan Radez <dradez@redhat.com> - 3.0-13
+- adding bash completion script
 * Tue Aug 30 2016 Tim Rozet <trozet@redhat.com> - 3.0-12
 - Add clean library.
 * Mon Aug 1 2016 Tim Rozet <trozet@redhat.com> - 3.0-11