completion: add completion for --submodule=* diff option

Teach git-completion.bash to complete --submodule= for git commands
which take diff options. Also teach completion for git-log to support
--diff-algorithms as well.

Signed-off-by: Jacob Keller <jacob.keller@gmail.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 34024754d9296b56c194a7959afb7b7f28402457..8f700deaac620b79584b2a05cac29453c2c3e061 100644 (file)
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -1158,6 +1158,8 @@ _git_describe ()
 
 __git_diff_algorithms="myers minimal patience histogram"
 
+__git_diff_submodule_formats="log short"
+
 __git_diff_common_options="--stat --numstat --shortstat --summary
                        --patch-with-stat --name-only --name-status --color
                        --no-color --color-words --no-renames --check
@@ -1173,6 +1175,7 @@ __git_diff_common_options="--stat --numstat --shortstat --summary
                        --dirstat --dirstat= --dirstat-by-file
                        --dirstat-by-file= --cumulative
                        --diff-algorithm=
+                       --submodule --submodule=
 "
 
 _git_diff ()
@@ -1184,6 +1187,10 @@ _git_diff ()
                __gitcomp "$__git_diff_algorithms" "" "${cur##--diff-algorithm=}"
                return
                ;;
+       --submodule=*)
+               __gitcomp "$__git_diff_submodule_formats" "" "${cur##--submodule=}"
+               return
+               ;;
        --*)
                __gitcomp "--cached --staged --pickaxe-all --pickaxe-regex
                        --base --ours --theirs --no-index
@@ -1447,6 +1454,14 @@ _git_log ()
                __gitcomp "full short no" "" "${cur##--decorate=}"
                return
                ;;
+       --diff-algorithm=*)
+               __gitcomp "$__git_diff_algorithms" "" "${cur##--diff-algorithm=}"
+               return
+               ;;
+       --submodule=*)
+               __gitcomp "$__git_diff_submodule_formats" "" "${cur##--submodule=}"
+               return
+               ;;
        --*)
                __gitcomp "
                        $__git_log_common_options
@@ -2359,6 +2374,10 @@ _git_show ()
                __gitcomp "$__git_diff_algorithms" "" "${cur##--diff-algorithm=}"
                return
                ;;
+       --submodule=*)
+               __gitcomp "$__git_diff_submodule_formats" "" "${cur##--submodule=}"
+               return
+               ;;
        --*)
                __gitcomp "--pretty= --format= --abbrev-commit --oneline
                        --show-signature