git-completion: Add git help completion for aliases

Enable bash completion for "git help <alias>", analogous to "git
<alias>", which was already implemented.

Signed-off-by: Jakob Pfender <jpfender@elegosoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index ccdc172a06bcc55ff5c5c3c1854bb34f84910f90..d2b8746633bdba57b2bfdd137435d9ba95e68e3e 100755 (executable)
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -1508,7 +1508,7 @@ _git_help ()
                ;;
        esac
        __git_compute_all_commands
-       __gitcomp "$__git_all_commands
+       __gitcomp "$__git_all_commands $(__git_aliases)
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