Merge branch 'pw/completion-show-branch'

* pw/completion-show-branch:
completion: complete show-branch "--date-order"

diff --combined contrib/completion/git-completion.bash
index 800e0bb1af45dfb12b4bd8b9e1404e534dc8c96c,0b7f4dd6f14756a0c0864e2e7ceadde272faf516..8e783eacf1b9d0b17d9f6350ff722d28548af23c
--- 1/contrib/completion/git-completion.bash
--- 2/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@@ -1169,7 -1169,7 +1169,7 @@@ __git_diff_common_options="--stat --num
                        --no-prefix --src-prefix= --dst-prefix=
                        --inter-hunk-context=
                        --patience --histogram --minimal
 -                      --raw --word-diff
 +                      --raw --word-diff --word-diff-regex=
                        --dirstat --dirstat= --dirstat-by-file
                        --dirstat-by-file= --cumulative
                        --diff-algorithm=
@@@ -1312,7 -1312,6 +1312,7 @@@ _git_grep (
                        --full-name --line-number
                        --extended-regexp --basic-regexp --fixed-strings
                        --perl-regexp
 +                      --threads
                        --files-with-matches --name-only
                        --files-without-match
                        --max-depth
@@@ -1688,12 -1687,8 +1688,12 @@@ _git_rebase (
                        --preserve-merges --stat --no-stat
                        --committer-date-is-author-date --ignore-date
                        --ignore-whitespace --whitespace=
 -                      --autosquash --fork-point --no-fork-point
 -                      --autostash
 +                      --autosquash --no-autosquash
 +                      --fork-point --no-fork-point
 +                      --autostash --no-autostash
 +                      --verify --no-verify
 +                      --keep-empty --root --force-rebase --no-ff
 +                      --exec
                        "
  
                return
@@@ -1813,7 -1808,7 +1813,7 @@@ _git_config (
                return
                ;;
        branch.*.rebase)
 -              __gitcomp "false true"
 +              __gitcomp "false true preserve interactive"
                return
                ;;
        remote.pushdefault)
@@@ -2373,7 -2368,7 +2373,7 @@@ _git_show_branch (
        case "$cur" in
        --*)
                __gitcomp "
-                       --all --remotes --topo-order --current --more=
+                       --all --remotes --topo-order --date-order --current --more=
                        --list --independent --merge-base --no-name
                        --color --no-color
                        --sha1-name --sparse --topics --reflog