diff options
Diffstat (limited to 'git-submodule.sh')
| -rwxr-xr-x | git-submodule.sh | 89 |
1 files changed, 57 insertions, 32 deletions
diff --git a/git-submodule.sh b/git-submodule.sh index 4a30087768..a33f68d27c 100755 --- a/git-submodule.sh +++ b/git-submodule.sh @@ -241,6 +241,15 @@ module_name() # # Clone a submodule # +# $1 = submodule path +# $2 = submodule 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. # Likewise, cmd_add checks that path does not exist at all, @@ -253,6 +262,8 @@ module_clone() url=$3 reference="$4" depth="$5" + start_point="$6" + local_branch="$7" quiet= if test -n "$GIT_QUIET" then @@ -306,7 +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 "$(eval_gettext "Unable to setup cloned submodule '\$sm_path'")" } isnumber() @@ -469,16 +489,15 @@ Use -f if you really want to add it." >&2 echo "$(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" @@ -799,32 +818,35 @@ 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 else update_module=$(git config submodule."$name".update) - case "$update_module" in - '') - ;; # Unset update mode - checkout | rebase | merge | none) - ;; # Known update modes - !*) - ;; # Custom update command - *) - die "$(eval_gettext "Invalid update mode '$update_module' for submodule '$name'")" - ;; - esac + if test -z "$update_module" + then + update_module="checkout" + fi fi displaypath=$(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 "$url" then @@ -838,7 +860,8 @@ Maybe you want to use 'update --init'?")" if ! test -d "$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 @@ -884,11 +907,16 @@ Maybe you want to use 'update --init'?")" case ";$cloned_modules;" in *";$name;"*) # then there is no local change to integrate - update_module= ;; + update_module='!git reset --hard -q' esac must_die_on_failure= case "$update_module" in + checkout) + command="git checkout $subforce -q" + die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$displaypath'")" + say_msg="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")" + ;; rebase) command="git rebase" die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$displaypath'")" @@ -908,10 +936,7 @@ Maybe you want to use 'update --init'?")" must_die_on_failure=yes ;; *) - command="git checkout $subforce -q" - die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$displaypath'")" - say_msg="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")" - ;; + die "$(eval_gettext "Invalid update mode '$update_module' for submodule '$name'")" esac if (clear_local_git_env; cd "$sm_path" && $command "$sha1") |