Merge branch 'release/v2.7.0'v2.7.0

* release/v2.7.0: (22 commits)
  Bump VERSION
  Make separate install-bash-completion target
  Overhaul Bash completion scripts
  Reduce ud() completion to just dirnames
  Upgrade uncap_ex.vim plugin to v0.3.0
  Apply syntax fixes to last _text_filenames specs
  Rearrange _text_filenames completion a little
  Remove prompt() completion
  Throw away chgrp completion
  Throw away Git Bash completion
  Remove mysql(1) completion
  Use consistent temp names for shell subfile vars
  Overhaul pass(1) completion
  Adjust syntax of two more completion loads
  Remove ftp(1) completion
  Remove `kill` completion
  Use the positional parameter aliases for words
  Overhaul bd() completion again
  Remove unneeded -q option to shopt -s commands
  Don't include dotfiles in keep() names
  ...

1 files changed, 49 insertions, 11 deletions

diff --git a/bash/bash_completion.d/mex.bash b/bash/bash_completion.d/mex.bash
index bc3d2c7b..b1e0e1a7 100644
--- a/bash/bash_completion.d/mex.bash
+++ b/bash/bash_completion.d/mex.bash
@@ -1,16 +1,54 @@
+# Load _completion_ignore_case helper function
+if ! declare -F _completion_ignore_case >/dev/null ; then
+    source "$HOME"/.bash_completion.d/_completion_ignore_case.bash
+fi
+
 # Completion setup for mex(1df), completing non-executable files in $PATH
 _mex() {
-    local -a path
-    IFS=: read -ra path < <(printf '%s\n' "$PATH")
-    local dir name
-    for dir in "${path[@]}" ; do
-        [[ -d $dir ]] || continue
-        for name in "$dir"/* ; do
-            [[ -e $name ]] || continue
-            ! [[ -d $name ]] || continue
-            ! [[ -x $name ]] || continue
-            COMPREPLY[${#COMPREPLY[@]}]=${name##*/}
+
+    # Iterate through completions produced by subshell
+    local ci comp
+    while IFS= read -d / -r comp ; do
+        COMPREPLY[ci++]=$comp
+    done < <(
+
+        # Make globs expand appropriately
+        shopt -u dotglob
+        shopt -s nullglob
+        if _completion_ignore_case ; then
+            shopt -s nocaseglob
+        fi
+
+        # Break $PATH up into an array
+        declare -a paths
+        IFS=: read -a paths -r \
+            < <(printf '%s\n' "$PATH")
+
+        # Iterate through each path, collecting non-executable filenames
+        for path in "${paths[@]}" ; do
+            for name in "$path"/"$2"* ; do
+
+                # Skip anything that is not a plain file
+                [[ -f $name ]] || continue
+                # Skip files that are already executable
+                ! [[ -x $name ]] || continue
+
+                # Chop off leading path
+                name=${name##*/}
+
+                # Skip certain filename patterns
+                case $name in
+                    # DOS batch file
+                    (*.bat) continue ;;
+                    # README files
+                    (README*) continue ;;
+                esac
+
+                # Print name of the file
+                printf '%s/' "${name##*/}"
+
+            done
         done
-    done
+    )
 }
 complete -F _mex mex