1 files changed, 258 insertions, 0 deletions
diff --git a/vendor/github.com/spf13/cobra/zsh_completions.go b/vendor/github.com/spf13/cobra/zsh_completions.go
new file mode 100644
index 000000000..1afec30ea
--- /dev/null
+++ b/vendor/github.com/spf13/cobra/zsh_completions.go
@@ -0,0 +1,258 @@
+package cobra
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"os"
+)
+
+// GenZshCompletionFile generates zsh completion file including descriptions.
+func (c *Command) GenZshCompletionFile(filename string) error {
+	return c.genZshCompletionFile(filename, true)
+}
+
+// GenZshCompletion generates zsh completion file including descriptions
+// and writes it to the passed writer.
+func (c *Command) GenZshCompletion(w io.Writer) error {
+	return c.genZshCompletion(w, true)
+}
+
+// GenZshCompletionFileNoDesc generates zsh completion file without descriptions.
+func (c *Command) GenZshCompletionFileNoDesc(filename string) error {
+	return c.genZshCompletionFile(filename, false)
+}
+
+// GenZshCompletionNoDesc generates zsh completion file without descriptions
+// and writes it to the passed writer.
+func (c *Command) GenZshCompletionNoDesc(w io.Writer) error {
+	return c.genZshCompletion(w, false)
+}
+
+// MarkZshCompPositionalArgumentFile only worked for zsh and its behavior was
+// not consistent with Bash completion. It has therefore been disabled.
+// Instead, when no other completion is specified, file completion is done by
+// default for every argument. One can disable file completion on a per-argument
+// basis by using ValidArgsFunction and ShellCompDirectiveNoFileComp.
+// To achieve file extension filtering, one can use ValidArgsFunction and
+// ShellCompDirectiveFilterFileExt.
+//
+// Deprecated
+func (c *Command) MarkZshCompPositionalArgumentFile(argPosition int, patterns ...string) error {
+	return nil
+}
+
+// MarkZshCompPositionalArgumentWords only worked for zsh. It has therefore
+// been disabled.
+// To achieve the same behavior across all shells, one can use
+// ValidArgs (for the first argument only) or ValidArgsFunction for
+// any argument (can include the first one also).
+//
+// Deprecated
+func (c *Command) MarkZshCompPositionalArgumentWords(argPosition int, words ...string) error {
+	return nil
+}
+
+func (c *Command) genZshCompletionFile(filename string, includeDesc bool) error {
+	outFile, err := os.Create(filename)
+	if err != nil {
+		return err
+	}
+	defer outFile.Close()
+
+	return c.genZshCompletion(outFile, includeDesc)
+}
+
+func (c *Command) genZshCompletion(w io.Writer, includeDesc bool) error {
+	buf := new(bytes.Buffer)
+	genZshComp(buf, c.Name(), includeDesc)
+	_, err := buf.WriteTo(w)
+	return err
+}
+
+func genZshComp(buf io.StringWriter, name string, includeDesc bool) {
+	compCmd := ShellCompRequestCmd
+	if !includeDesc {
+		compCmd = ShellCompNoDescRequestCmd
+	}
+	WriteStringAndCheck(buf, fmt.Sprintf(`#compdef _%[1]s %[1]s
+
+# zsh completion for %-36[1]s -*- shell-script -*-
+
+__%[1]s_debug()
+{
+    local file="$BASH_COMP_DEBUG_FILE"
+    if [[ -n ${file} ]]; then
+        echo "$*" >> "${file}"
+    fi
+}
+
+_%[1]s()
+{
+    local shellCompDirectiveError=%[3]d
+    local shellCompDirectiveNoSpace=%[4]d
+    local shellCompDirectiveNoFileComp=%[5]d
+    local shellCompDirectiveFilterFileExt=%[6]d
+    local shellCompDirectiveFilterDirs=%[7]d
+
+    local lastParam lastChar flagPrefix requestComp out directive comp lastComp noSpace
+    local -a completions
+
+    __%[1]s_debug "\n========= starting completion logic =========="
+    __%[1]s_debug "CURRENT: ${CURRENT}, words[*]: ${words[*]}"
+
+    # The user could have moved the cursor backwards on the command-line.
+    # We need to trigger completion from the $CURRENT location, so we need
+    # to truncate the command-line ($words) up to the $CURRENT location.
+    # (We cannot use $CURSOR as its value does not work when a command is an alias.)
+    words=("${=words[1,CURRENT]}")
+    __%[1]s_debug "Truncated words[*]: ${words[*]},"
+
+    lastParam=${words[-1]}
+    lastChar=${lastParam[-1]}
+    __%[1]s_debug "lastParam: ${lastParam}, lastChar: ${lastChar}"
+
+    # For zsh, when completing a flag with an = (e.g., %[1]s -n=<TAB>)
+    # completions must be prefixed with the flag
+    setopt local_options BASH_REMATCH
+    if [[ "${lastParam}" =~ '-.*=' ]]; then
+        # We are dealing with a flag with an =
+        flagPrefix="-P ${BASH_REMATCH}"
+    fi
+
+    # Prepare the command to obtain completions
+    requestComp="${words[1]} %[2]s ${words[2,-1]}"
+    if [ "${lastChar}" = "" ]; then
+        # If the last parameter is complete (there is a space following it)
+        # We add an extra empty parameter so we can indicate this to the go completion code.
+        __%[1]s_debug "Adding extra empty parameter"
+        requestComp="${requestComp} \"\""
+    fi
+
+    __%[1]s_debug "About to call: eval ${requestComp}"
+
+    # Use eval to handle any environment variables and such
+    out=$(eval ${requestComp} 2>/dev/null)
+    __%[1]s_debug "completion output: ${out}"
+
+    # Extract the directive integer following a : from the last line
+    local lastLine
+    while IFS='\n' read -r line; do
+        lastLine=${line}
+    done < <(printf "%%s\n" "${out[@]}")
+    __%[1]s_debug "last line: ${lastLine}"
+
+    if [ "${lastLine[1]}" = : ]; then
+        directive=${lastLine[2,-1]}
+        # Remove the directive including the : and the newline
+        local suffix
+        (( suffix=${#lastLine}+2))
+        out=${out[1,-$suffix]}
+    else
+        # There is no directive specified.  Leave $out as is.
+        __%[1]s_debug "No directive found.  Setting do default"
+        directive=0
+    fi
+
+    __%[1]s_debug "directive: ${directive}"
+    __%[1]s_debug "completions: ${out}"
+    __%[1]s_debug "flagPrefix: ${flagPrefix}"
+
+    if [ $((directive & shellCompDirectiveError)) -ne 0 ]; then
+        __%[1]s_debug "Completion received error. Ignoring completions."
+        return
+    fi
+
+    while IFS='\n' read -r comp; do
+        if [ -n "$comp" ]; then
+            # If requested, completions are returned with a description.
+            # The description is preceded by a TAB character.
+            # For zsh's _describe, we need to use a : instead of a TAB.
+            # We first need to escape any : as part of the completion itself.
+            comp=${comp//:/\\:}
+
+            local tab=$(printf '\t')
+            comp=${comp//$tab/:}
+
+            __%[1]s_debug "Adding completion: ${comp}"
+            completions+=${comp}
+            lastComp=$comp
+        fi
+    done < <(printf "%%s\n" "${out[@]}")
+
+    if [ $((directive & shellCompDirectiveNoSpace)) -ne 0 ]; then
+        __%[1]s_debug "Activating nospace."
+        noSpace="-S ''"
+    fi
+
+    if [ $((directive & shellCompDirectiveFilterFileExt)) -ne 0 ]; then
+        # File extension filtering
+        local filteringCmd
+        filteringCmd='_files'
+        for filter in ${completions[@]}; do
+            if [ ${filter[1]} != '*' ]; then
+                # zsh requires a glob pattern to do file filtering
+                filter="\*.$filter"
+            fi
+            filteringCmd+=" -g $filter"
+        done
+        filteringCmd+=" ${flagPrefix}"
+
+        __%[1]s_debug "File filtering command: $filteringCmd"
+        _arguments '*:filename:'"$filteringCmd"
+    elif [ $((directive & shellCompDirectiveFilterDirs)) -ne 0 ]; then
+        # File completion for directories only
+        local subDir
+        subdir="${completions[1]}"
+        if [ -n "$subdir" ]; then
+            __%[1]s_debug "Listing directories in $subdir"
+            pushd "${subdir}" >/dev/null 2>&1
+        else
+            __%[1]s_debug "Listing directories in ."
+        fi
+
+        local result
+        _arguments '*:dirname:_files -/'" ${flagPrefix}"
+        result=$?
+        if [ -n "$subdir" ]; then
+            popd >/dev/null 2>&1
+        fi
+        return $result
+    else
+        __%[1]s_debug "Calling _describe"
+        if eval _describe "completions" completions $flagPrefix $noSpace; then
+            __%[1]s_debug "_describe found some completions"
+
+            # Return the success of having called _describe
+            return 0
+        else
+            __%[1]s_debug "_describe did not find completions."
+            __%[1]s_debug "Checking if we should do file completion."
+            if [ $((directive & shellCompDirectiveNoFileComp)) -ne 0 ]; then
+                __%[1]s_debug "deactivating file completion"
+
+                # We must return an error code here to let zsh know that there were no
+                # completions found by _describe; this is what will trigger other
+                # matching algorithms to attempt to find completions.
+                # For example zsh can match letters in the middle of words.
+                return 1
+            else
+                # Perform file completion
+                __%[1]s_debug "Activating file completion"
+
+                # We must return the result of this command, so it must be the
+                # last command, or else we must store its result to return it.
+                _arguments '*:filename:_files'" ${flagPrefix}"
+            fi
+        fi
+    fi
+}
+
+# don't run the completion function when being source-ed or eval-ed
+if [ "$funcstack[1]" = "_%[1]s" ]; then
+	_%[1]s
+fi
+`, name, compCmd,
+		ShellCompDirectiveError, ShellCompDirectiveNoSpace, ShellCompDirectiveNoFileComp,
+		ShellCompDirectiveFilterFileExt, ShellCompDirectiveFilterDirs))
+}