diff options
Diffstat (limited to 'git-submodule.sh')
| -rwxr-xr-x | git-submodule.sh | 58 |
1 files changed, 41 insertions, 17 deletions
diff --git a/git-submodule.sh b/git-submodule.sh index 68dcbe1bc4..626a746f7c 100755 --- a/git-submodule.sh +++ b/git-submodule.sh @@ -246,6 +246,9 @@ module_name() # $3 = URL to clone # $4 = reference repository to reuse (empty for independent) # $5 = depth argument for shallow clones (empty for deep) +# $6 = (remote-tracking) starting point for the local branch (empty for HEAD) +# $7 = local branch to create (empty for a detached HEAD, unless $6 is +# also empty, in which case the local branch is left unchanged) # # Prior to calling, cmd_update checks that a possibly existing # path is not a git repository. @@ -259,6 +262,8 @@ module_clone() url=$3 reference="$4" depth="$5" + start_point="$6" + local_branch="$7" quiet= if test -n "$GIT_QUIET" then @@ -312,7 +317,16 @@ module_clone() echo "gitdir: $rel/$a" >"$sm_path/.git" rel=$(echo $a | sed -e 's|[^/][^/]*|..|g') - (clear_local_git_env; cd "$sm_path" && GIT_WORK_TREE=. git config core.worktree "$rel/$b") + ( + clear_local_git_env + cd "$sm_path" && + GIT_WORK_TREE=. git config core.worktree "$rel/$b" && + # ash fails to wordsplit ${local_branch:+-B "$local_branch"...} + case "$local_branch" in + '') git checkout -f -q ${start_point:+"$start_point"} ;; + ?*) git checkout -f -q -B "$local_branch" ${start_point:+"$start_point"} ;; + esac + ) || die "$(eval_gettext "Unable to setup cloned submodule '\$sm_path'")" } isnumber() @@ -475,16 +489,15 @@ Use -f if you really want to add it." >&2 echo "$(eval_gettext "Reactivating local git directory for submodule '\$sm_name'.")" fi fi - module_clone "$sm_path" "$sm_name" "$realrepo" "$reference" "$depth" || exit - ( - clear_local_git_env - cd "$sm_path" && - # ash fails to wordsplit ${branch:+-b "$branch"...} - case "$branch" in - '') git checkout -f -q ;; - ?*) git checkout -f -q -B "$branch" "origin/$branch" ;; - esac - ) || die "$(eval_gettext "Unable to checkout submodule '\$sm_path'")" + if test -n "$branch" + then + start_point="origin/$branch" + local_branch="$branch" + else + start_point="" + local_branch="" + fi + module_clone "$sm_path" "$sm_name" "$realrepo" "$reference" "$depth" "$start_point" "$local_branch" || exit fi git config submodule."$sm_name".url "$realrepo" @@ -803,7 +816,9 @@ cmd_update() fi name=$(module_name "$sm_path") || exit url=$(git config submodule."$name".url) - branch=$(get_submodule_config "$name" branch master) + config_branch=$(get_submodule_config "$name" branch) + branch="${config_branch:-master}" + local_branch="$branch" if ! test -z "$update" then update_module=$update @@ -817,11 +832,19 @@ cmd_update() displaypath=$(relative_path "$prefix$sm_path") - if test "$update_module" = "none" - then + case "$update_module" in + none) echo "Skipping submodule '$displaypath'" continue - fi + ;; + checkout) + local_branch="" + ;; + rebase | merge | !*) + ;; + *) + die "$(eval_gettext "Invalid update mode '$update_module' for submodule '$name'")" + esac if test -z "$url" then @@ -835,7 +858,8 @@ Maybe you want to use 'update --init'?")" if ! test -d "$sm_path"/.git -o -f "$sm_path"/.git then - module_clone "$sm_path" "$name" "$url" "$reference" "$depth" || exit + start_point="origin/${branch}" + module_clone "$sm_path" "$name" "$url" "$reference" "$depth" "$start_point" "$local_branch" || exit cloned_modules="$cloned_modules;$name" subsha1= else @@ -881,7 +905,7 @@ Maybe you want to use 'update --init'?")" case ";$cloned_modules;" in *";$name;"*) # then there is no local change to integrate - update_module=checkout ;; + update_module='!git reset --hard -q' esac must_die_on_failure= |