Revert "submodule: explicit local branch creation in module_clone"
This reverts commit 23d25e48f5, as it is
broken for users who haven't opted into the new feature of checking
out submodule.*.branch with update mode set to checkout.
This commit is contained in:
Junio C Hamano
parent
edac360bdd
commit
d851ffb91f
@ -15,7 +15,7 @@ SYNOPSIS
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'git submodule' [--quiet] init [--] [<path>...]
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'git submodule' [--quiet] deinit [-f|--force] [--] <path>...
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'git submodule' [--quiet] update [--init] [--remote] [-N|--no-fetch]
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[-f|--force] [--checkout|--rebase|--merge] [--reference <repository>]
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[-f|--force] [--rebase|--merge] [--reference <repository>]
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[--depth <depth>] [--recursive] [--] [<path>...]
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'git submodule' [--quiet] summary [--cached|--files] [(-n|--summary-limit) <n>]
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[commit] [--] [<path>...]
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@ -155,31 +155,13 @@ it contains local modifications.
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update::
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Update the registered submodules, i.e. clone missing submodules and
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checkout the commit specified in the index of the containing
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repository. The update mode defaults to `checkout`, but can be
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configured with the `submodule.<name>.update` setting or the
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`--rebase`, `--merge`, or `--checkout` options.
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+
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For updates that clone missing submodules, checkout-mode updates will
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create submodules with detached HEADs; all other modes will create
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submodules with a local branch named after `submodule.<path>.branch`.
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+
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For updates that do not clone missing submodules, the submodule's HEAD
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is only touched when the remote reference does not match the
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submodule's HEAD (for none-mode updates, the submodule is never
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touched). The remote reference is usually the gitlinked commit from
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the superproject's tree, but with `--remote` it is the upstream
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subproject's `submodule.<name>.branch`. This remote reference is
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integrated with the submodule's HEAD using the specified update mode.
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For checkout-mode updates, that will result in a detached HEAD. For
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rebase- and merge-mode updates, the commit referenced by the
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submodule's HEAD may change, but the symbolic reference will remain
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unchanged (i.e. checked-out branches will still be checked-out
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branches, and detached HEADs will still be detached HEADs). If none
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of the builtin modes fit your needs, set `submodule.<name>.update` to
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`!command` to configure a custom integration command. `command` can
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be any arbitrary shell command that takes a single argument, namely
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the sha1 to update to.
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checkout the commit specified in the index of the containing repository.
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This will make the submodules HEAD be detached unless `--rebase` or
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`--merge` is specified or the key `submodule.$name.update` is set to
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`rebase`, `merge` or `none`. `none` can be overridden by specifying
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`--checkout`. Setting the key `submodule.$name.update` to `!command`
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will cause `command` to be run. `command` can be any arbitrary shell
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command that takes a single argument, namely the sha1 to update to.
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+
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If the submodule is not yet initialized, and you just want to use the
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setting as stored in .gitmodules, you can automatically initialize the
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@ -55,10 +55,6 @@ submodule.<name>.branch::
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A remote branch name for tracking updates in the upstream submodule.
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If the option is not specified, it defaults to 'master'. See the
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`--remote` documentation in linkgit:git-submodule[1] for details.
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+
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This branch name is also used for the local branch created by
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non-checkout cloning updates. See the `update` documentation in
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linkgit:git-submodule[1] for details.
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submodule.<name>.fetchRecurseSubmodules::
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This option can be used to control recursive fetching of this
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@ -246,9 +246,6 @@ module_name()
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# $3 = URL to clone
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# $4 = reference repository to reuse (empty for independent)
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# $5 = depth argument for shallow clones (empty for deep)
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# $6 = (remote-tracking) starting point for the local branch (empty for HEAD)
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# $7 = local branch to create (empty for a detached HEAD, unless $6 is
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# also empty, in which case the local branch is left unchanged)
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#
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# Prior to calling, cmd_update checks that a possibly existing
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# path is not a git repository.
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@ -262,8 +259,6 @@ module_clone()
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url=$3
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reference="$4"
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depth="$5"
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start_point="$6"
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local_branch="$7"
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quiet=
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if test -n "$GIT_QUIET"
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then
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@ -317,16 +312,7 @@ module_clone()
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echo "gitdir: $rel/$a" >"$sm_path/.git"
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rel=$(echo $a | sed -e 's|[^/][^/]*|..|g')
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(
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clear_local_git_env
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cd "$sm_path" &&
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GIT_WORK_TREE=. git config core.worktree "$rel/$b" &&
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# ash fails to wordsplit ${local_branch:+-B "$local_branch"...}
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case "$local_branch" in
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'') git checkout -f -q ${start_point:+"$start_point"} ;;
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?*) git checkout -f -q -B "$local_branch" ${start_point:+"$start_point"} ;;
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esac
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) || die "$(eval_gettext "Unable to setup cloned submodule '\$sm_path'")"
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(clear_local_git_env; cd "$sm_path" && GIT_WORK_TREE=. git config core.worktree "$rel/$b")
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}
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isnumber()
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@ -489,15 +475,16 @@ Use -f if you really want to add it." >&2
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echo "$(eval_gettext "Reactivating local git directory for submodule '\$sm_name'.")"
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fi
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fi
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if test -n "$branch"
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then
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start_point="origin/$branch"
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local_branch="$branch"
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else
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start_point=""
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local_branch=""
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fi
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module_clone "$sm_path" "$sm_name" "$realrepo" "$reference" "$depth" "$start_point" "$local_branch" || exit
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module_clone "$sm_path" "$sm_name" "$realrepo" "$reference" "$depth" || exit
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(
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clear_local_git_env
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cd "$sm_path" &&
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# ash fails to wordsplit ${branch:+-b "$branch"...}
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case "$branch" in
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'') git checkout -f -q ;;
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?*) git checkout -f -q -B "$branch" "origin/$branch" ;;
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esac
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) || die "$(eval_gettext "Unable to checkout submodule '\$sm_path'")"
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fi
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git config submodule."$sm_name".url "$realrepo"
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@ -818,9 +805,7 @@ cmd_update()
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fi
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name=$(module_name "$sm_path") || exit
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url=$(git config submodule."$name".url)
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config_branch=$(get_submodule_config "$name" branch)
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branch="${config_branch:-master}"
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local_branch="$branch"
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branch=$(get_submodule_config "$name" branch master)
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if ! test -z "$update"
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then
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update_module=$update
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@ -834,19 +819,11 @@ cmd_update()
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displaypath=$(relative_path "$prefix$sm_path")
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case "$update_module" in
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none)
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if test "$update_module" = "none"
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then
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echo "Skipping submodule '$displaypath'"
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continue
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;;
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checkout)
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local_branch=""
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;;
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rebase | merge | !*)
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;;
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*)
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die "$(eval_gettext "Invalid update mode '$update_module' for submodule '$name'")"
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esac
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fi
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if test -z "$url"
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then
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@ -860,8 +837,7 @@ Maybe you want to use 'update --init'?")"
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if ! test -d "$sm_path"/.git -o -f "$sm_path"/.git
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then
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start_point="origin/${branch}"
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module_clone "$sm_path" "$name" "$url" "$reference" "$depth" "$start_point" "$local_branch" || exit
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module_clone "$sm_path" "$name" "$url" "$reference" "$depth" || exit
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cloned_modules="$cloned_modules;$name"
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subsha1=
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else
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@ -907,7 +883,7 @@ Maybe you want to use 'update --init'?")"
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case ";$cloned_modules;" in
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*";$name;"*)
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# then there is no local change to integrate
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update_module='!git reset --hard -q'
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update_module=checkout ;;
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esac
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must_die_on_failure=
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@ -63,9 +63,6 @@ test_expect_success 'setup a submodule tree' '
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git submodule add ../none none &&
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test_tick &&
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git commit -m "none"
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) &&
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(cd super &&
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git tag initial-setup
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)
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'
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@ -706,7 +703,7 @@ test_expect_success 'submodule update places git-dir in superprojects git-dir re
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git clone super_update_r super_update_r2 &&
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(cd super_update_r2 &&
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git submodule update --init --recursive >actual &&
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test_i18ngrep "Submodule path .submodule/subsubmodule.: .git reset --hard -q" actual &&
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test_i18ngrep "Submodule path .submodule/subsubmodule.: checked out" actual &&
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(cd submodule/subsubmodule &&
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git log > ../../expected
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) &&
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@ -777,38 +774,4 @@ test_expect_success 'submodule update --recursive drops module name before recur
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test_i18ngrep "Submodule path .deeper/submodule/subsubmodule.: checked out" actual
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)
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'
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test_expect_success 'submodule update --checkout clones detached HEAD' '
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git clone super super4 &&
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echo "detached HEAD" >expected &&
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(cd super4 &&
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git reset --hard initial-setup &&
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git submodule init submodule &&
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git submodule update >> /tmp/log 2>&1 &&
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(cd submodule &&
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git symbolic-ref HEAD > ../../actual ||
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echo "detached HEAD" > ../../actual
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)
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) &&
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test_cmp actual expected &&
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rm -rf super4
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'
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test_expect_success 'submodule update --merge clones attached HEAD' '
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git clone super super4 &&
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echo "refs/heads/master" >expected &&
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(cd super4 &&
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git reset --hard initial-setup &&
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git submodule init submodule &&
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git config submodule.submodule.update merge &&
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git submodule update --merge &&
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(cd submodule &&
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git symbolic-ref HEAD > ../../actual ||
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echo "detached HEAD" > ../../actual
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)
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) &&
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test_cmp actual expected &&
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rm -rf super4
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'
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test_done
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