Move bash completion setup into separate dir

1 files changed, 60 insertions, 0 deletions

diff --git a/bash/bash_completion.d/path.bash b/bash/bash_completion.d/path.bash
new file mode 100644
index 00000000..fd94b7c4
--- /dev/null
+++ b/bash/bash_completion.d/path.bash
@@ -0,0 +1,60 @@
+# Completion for path
+_path() {
+
+    # What to do depends on which word we're completing
+    if ((COMP_CWORD == 1)) ; then
+
+        # Complete operation as first word
+        local cmd
+        for cmd in help list insert append remove set check ; do
+            [[ $cmd == "${COMP_WORDS[COMP_CWORD]}"* ]] || continue
+            COMPREPLY[${#COMPREPLY[@]}]=$cmd
+        done
+
+    # Complete with either directories or $PATH entries as all other words
+    else
+        case ${COMP_WORDS[1]} in
+
+            # Complete with a directory
+            insert|i|append|add|a|check|c|set|s)
+                local dirname
+                while IFS= read -rd '' dirname ; do
+                    COMPREPLY[${#COMPREPLY[@]}]=$dirname
+                done < <(
+
+                    # Set options to glob correctly
+                    shopt -s dotglob nullglob
+
+                    # Collect directory names, strip trailing slash
+                    local -a dirnames
+                    dirnames=("${COMP_WORDS[COMP_CWORD]}"*/)
+                    dirnames=("${dirnames[@]%/}")
+
+                    # Bail if no results to prevent empty output
+                    ((${#dirnames[@]})) || exit 1
+
+                    # Print results, quoted and null-delimited
+                    printf '%q\0' "${dirnames[@]}"
+                )
+                ;;
+
+            # Complete with directories from PATH
+            remove|rm|r)
+                local -a promptarr
+                IFS=: read -d '' -a promptarr < <(printf '%s\0' "$PATH")
+                local part
+                for part in "${promptarr[@]}" ; do
+                    [[ $part == "${COMP_WORDS[COMP_CWORD]}"* ]] || continue
+                    COMPREPLY[${#COMPREPLY[@]}]=$(printf '%q\0' "$part")
+                done
+                ;;
+
+            # No completion
+            *)
+                return 1
+                ;;
+        esac
+    fi
+}
+
+complete -F _path path