Add autocomplete for bash (kafka-ops#500)

Co-authored-by: Bernhard Hopfenmüller <[email protected]>

pom.xml

@@ -313,6 +313,17 @@
                 </source>
               </sources>
             </mapping>
+            <mapping>
+              <directory>/usr/local/julie-ops/bin</directory>
+              <filemode>644</filemode>
+              <username>julie-kafka</username>
+              <groupname>julie-kafka</groupname>
+              <sources>
+                <source>
+                  <location>src/main/scripts/julie-ops-complete.sh</location>
+                </source>
+              </sources>
+            </mapping>
             <mapping>
               <directory>/usr/local/julie-ops/conf</directory>
               <configuration>true</configuration>
@@ -382,6 +393,18 @@
                   </mapper>
                 </data>
 
+                <data>
+                  <src>${basedir}/src/main/scripts/julie-ops-complete.sh</src>
+                  <type>file</type>
+                  <mapper>
+                    <type>perm</type>
+                    <prefix>/usr/local/julie-ops/bin</prefix>
+                    <user>julie-kafka</user>
+                    <group>julie-kafka</group>
+                    <filemode>644</filemode>
+                  </mapper>
+                </data>
+
                 <data>
                   <src>${basedir}/src/main/conf</src>
                   <type>directory</type>

src/deb/control/postinst

@@ -1,4 +1,5 @@
 #!/usr/bin/env bash
 
 ln -s /usr/local/julie-ops/bin/julie-ops-cli.sh /usr/bin/julie-ops
-chown -R julie-kafka:julie-kafka /usr/local/julie-ops
+ln -s /usr/local/julie-ops/bin/julie-ops-complete.sh /etc/bash_completion.d/julie-ops-complete
+chown -R julie-kafka:julie-kafka /usr/local/julie-ops

src/deb/control/prerm

@@ -2,9 +2,10 @@
 
 rm -rf /usr/local/julie-ops/
 unlink /usr/bin/julie-ops
+unlink /etc/bash_completion.d/julie-ops-complete
 userdel -f julie-kafka
 
 if grep -q -E "^julie-kafka:" /etc/group;
 then
   groupdel julie-kafka
-fi
+fi

src/main/scripts/julie-ops-complete.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+set -o errexit
+set -o nounset
+set -o pipefail
+
+function __julie-ops () {
+	local base_ops="--brokers|--clientConfig|--dryRun|--help|--overridingClientConfig|--plans|--quite|--topology|--validate|--version"
+        local cur=${COMP_WORDS[COMP_CWORD]}
+	COMPREPLY=($(IFS='|' compgen -S ' ' -W "$base_ops" -- $cur ) )
+}
+
+complete -A alias -F __julie-ops	julie-ops

src/main/scripts/postinstall.sh

@@ -1,4 +1,7 @@
 #!/usr/bin/env bash
 
 ln -s /usr/local/julie-ops/bin/julie-ops-cli.sh /usr/bin/julie-ops
-chown julie-kafka.julie-kafka /usr/local/julie-ops/bin/julie-ops-cli.sh
+ln -s /usr/local/julie-ops/bin/julie-ops-complete.sh /etc/bash_completion.d/julie-ops-complete
+
+chown julie-kafka.julie-kafka /usr/local/julie-ops/bin/julie-ops-cli.sh
+chown julie-kafka.julie-kafka /usr/local/julie-ops/bin/julie-ops-complete.sh

src/main/scripts/preinstall.sh

@@ -29,4 +29,4 @@ type -P java &> /dev/null || { echo "java not found"; exit 1; }
 verify_java_version_min_11
 exit_code=$?
 
-exit $exit_code
+exit $exit_code

src/main/scripts/remove.sh

@@ -2,9 +2,11 @@
 
 rm -rf /usr/local/julie-ops/
 unlink /usr/bin/julie-ops
+unlink /etc/bash_completion.d/julie-ops-complete
+
 userdel -f julie-kafka
 
 if grep -q -E "^julie-kafka:" /etc/group;
 then
   groupdel julie-kafka
-fi
+fi