completion: add a helper function to get config variables

diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index b28a14e8ca583e18d91e5eae0186a4ad352ad8fe..4594ebcb1a05d6df3c5f6fad64d691c42a57af39 100644 (file)
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -739,30 +739,29 @@ __git_compute_porcelain_commands ()
        __git_porcelain_commands=$(__git_list_porcelain_commands)
 }
 
-__git_pretty_aliases ()
+# Lists all set config variables starting with the given section prefix,
+# with the prefix removed.
+__git_get_config_variables ()
 {
-       local i IFS=$'\n'
-       for i in $(git --git-dir="$(__gitdir)" config --get-regexp "pretty\..*" 2>/dev/null); do
+       local section="$1" i IFS=$'\n'
+       for i in $(git --git-dir="$(__gitdir)" config --get-regexp "$section\..*" 2>/dev/null); do
                case "$i" in
-               pretty.*)
-                       i="${i#pretty.}"
+               $section.*)
+                       i="${i#$section.}"
                        echo "${i/ */}"
                        ;;
                esac
        done
 }
 
+__git_pretty_aliases ()
+{
+       __git_get_config_variables "pretty"
+}
+
 __git_aliases ()
 {
-       local i IFS=$'\n'
-       for i in $(git --git-dir="$(__gitdir)" config --get-regexp "alias\..*" 2>/dev/null); do
-               case "$i" in
-               alias.*)
-                       i="${i#alias.}"
-                       echo "${i/ */}"
-                       ;;
-               esac
-       done
+       __git_get_config_variables "alias"
 }
 
 # __git_aliased_command requires 1 argument
@@ -2259,12 +2258,7 @@ _git_remote ()
                __git_complete_remote_or_refspec
                ;;
        update)
-               local i c='' IFS=$'\n'
-               for i in $(git --git-dir="$(__gitdir)" config --get-regexp "remotes\..*" 2>/dev/null); do
-                       i="${i#remotes.}"
-                       c="$c ${i/ */}"
-               done
-               __gitcomp "$c"
+               __gitcomp "$(__git_get_config_variables "remotes")"
                ;;
        *)
                ;;