vcgencmd: Add bash completion script

Author: XECDesign

vcgencmd/CMakeLists.txt

@@ -8,3 +8,4 @@ project(vcgencmd)
 add_executable(vcgencmd vcgencmd.c)
 install(TARGETS vcgencmd RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
 install(FILES vcgencmd.1 DESTINATION ${CMAKE_INSTALL_MANDIR}/man1)
+install(FILES vcgencmd-completion.bash RENAME vcgencmd DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/bash-completion/completions")

vcgencmd/vcgencmd-completion.bash

@@ -0,0 +1,11 @@
+_vcgencmd() {
+    local cur prev words cword split
+    _init_completion -s || return
+    if ! ((cword == 1)); then
+        return
+    fi
+    local cmds=$(vcgencmd commands | sed 's/^.*=//;s/[",]//g')
+    COMPREPLY+=($(compgen -W "$cmds" -- $cur))
+}
+
+complete -F _vcgencmd vcgencmd