Merge pull request #7 from kazhala/feat/completion-bash

Feat/completion bash

README.md

@@ -139,6 +139,10 @@ antigen bundle kazhala/dotbare
 
 ### bash
 
+dotbare comes with a `dotbare.plugin.bash` which will enable both bash command line
+completion for dotbare commands and adding dotbare to your PATH. If you don't want the completion,
+simple follow the instructions in [Others](#Others) and add dotbare to your PATH.
+
 - Clone the repository (change ~/.dotbare to the location of your preference)
 
   ```sh

dotbare.plugin.bash

@@ -1,2 +1,83 @@
 mydir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 [[ :$PATH: != *:"${mydir}":* ]] && export PATH="$PATH:${mydir}"
+
+_dotbare_completions()
+{
+  local IFS=$'\n' subcommands curr prev options
+  curr="${COMP_WORDS[$COMP_CWORD]}"
+  prev="${COMP_WORDS[$COMP_CWORD-1]}"
+
+  if [[ "$COMP_CWORD" -eq "1" ]]; then
+    subcommands=$("${mydir}"/dotbare -h \
+      | awk '{
+          if ($0 ~ /^  f.*/) {
+            gsub(/^  /, "", $0)
+            gsub(/\t\t/, "    ", $0)
+            print $0
+          }
+        }')
+
+    if [[ $curr == -* ]]; then
+      # shellcheck disable=SC2207
+      COMPREPLY=($(compgen -W "-h" -- "${curr}"))
+    else
+      # shellcheck disable=SC2207
+      COMPREPLY=($(compgen -W "${subcommands}" -- "${curr}"))
+    fi
+    if [[ ${#COMPREPLY[*]} -eq 1 ]]; then
+      COMPREPLY=( "${COMPREPLY[0]%% *}" )
+    fi
+
+  elif [[ "$COMP_CWORD" -eq "2" && "${prev}" != '-h' ]]; then
+    case "${prev}" in
+      fbackup)
+        options=$("${mydir}"/dotbare "${prev}" -h \
+          | awk '{
+              if ($0 ~ /  -p PATH/) {
+                gsub(/^  -p PATH/, "-p  ", $0)
+                gsub(/\t/, "  ", $0)
+                print $0
+              } else if ($0 ~ /  -*/) {
+                gsub(/^  /, "", $0)
+                gsub(/\t/, "  ", $0)
+                print $0
+              }
+            }')
+        ;;
+      finit)
+        options=$("${mydir}"/dotbare "${prev}" -h \
+          | awk '{
+              if ($0 ~ /  -u URL/) {
+                gsub(/^  -u URL/, "-u  ", $0)
+                gsub(/\t/, "  ", $0)
+                print $0
+              } else if ($0 ~ /  -*/) {
+                gsub(/^  /, "", $0)
+                gsub(/\t/, "  ", $0)
+                print $0
+              }
+            }')
+        ;;
+      *)
+        options=$("${mydir}"/dotbare "${prev}" -h \
+          | awk '{
+              if ($0 ~ /  -*/) {
+                gsub(/^  /, "", $0)
+                gsub(/\t/, "  ", $0)
+                print $0
+              }
+            }')
+        ;;
+    esac
+    # shellcheck disable=SC2207
+    COMPREPLY=($(compgen -W "${options}" -- "${curr}"))
+    if [[ ${#COMPREPLY[*]} -eq 1 ]]; then
+      COMPREPLY=( "${COMPREPLY[0]%% *}" )
+    fi
+  elif [[ "$COMP_CWORD" -eq "3" ]]; then
+    # shellcheck disable=SC2207
+    [[ "${COMP_WORDS[1]}" == "fbackup" && "${COMP_WORDS[2]}" == "-p" ]] && \
+      COMPREPLY=($(compgen -d -- "${curr}"))
+  fi
+}
+complete -F _dotbare_completions dotbare

tests/shellcheck.sh

@@ -21,5 +21,6 @@ done < <(
   )
 
 shellcheck -e SC1090 "${scripts[@]}"
+shellcheck -e SC1090 --shell=bash "dotbare.plugin.bash"
 
 exit $?