summaryrefslogtreecommitdiffstats
path: root/git-submodule.sh
diff options
context:
space:
mode:
Diffstat (limited to 'git-submodule.sh')
-rwxr-xr-xgit-submodule.sh954
1 files changed, 954 insertions, 0 deletions
diff --git a/git-submodule.sh b/git-submodule.sh
new file mode 100755
index 0000000..eb90f18
--- /dev/null
+++ b/git-submodule.sh
@@ -0,0 +1,954 @@
+#!/bin/sh
+#
+# git-submodule.sh: add, init, update or list git submodules
+#
+# Copyright (c) 2007 Lars Hjemli
+
+dashless=$(basename "$0" | sed -e 's/-/ /')
+USAGE="[--quiet] [--cached]
+ or: $dashless [--quiet] add [-b <branch>] [-f|--force] [--name <name>] [--reference <repository>] [--] <repository> [<path>]
+ or: $dashless [--quiet] status [--cached] [--recursive] [--] [<path>...]
+ or: $dashless [--quiet] init [--] [<path>...]
+ or: $dashless [--quiet] deinit [-f|--force] (--all| [--] <path>...)
+ or: $dashless [--quiet] update [--init] [--remote] [-N|--no-fetch] [-f|--force] [--checkout|--merge|--rebase] [--[no-]recommend-shallow] [--reference <repository>] [--recursive] [--[no-]single-branch] [--] [<path>...]
+ or: $dashless [--quiet] set-branch (--default|--branch <branch>) [--] <path>
+ or: $dashless [--quiet] set-url [--] <path> <newurl>
+ or: $dashless [--quiet] summary [--cached|--files] [--summary-limit <n>] [commit] [--] [<path>...]
+ or: $dashless [--quiet] foreach [--recursive] <command>
+ or: $dashless [--quiet] sync [--recursive] [--] [<path>...]
+ or: $dashless [--quiet] absorbgitdirs [--] [<path>...]"
+OPTIONS_SPEC=
+SUBDIRECTORY_OK=Yes
+. git-sh-setup
+require_work_tree
+wt_prefix=$(git rev-parse --show-prefix)
+cd_to_toplevel
+
+# Tell the rest of git that any URLs we get don't come
+# directly from the user, so it can apply policy as appropriate.
+GIT_PROTOCOL_FROM_USER=0
+export GIT_PROTOCOL_FROM_USER
+
+command=
+branch=
+force=
+reference=
+cached=
+recursive=
+init=
+require_init=
+files=
+remote=
+nofetch=
+update=
+prefix=
+custom_name=
+depth=
+progress=
+dissociate=
+single_branch=
+jobs=
+recommend_shallow=
+
+die_if_unmatched ()
+{
+ if test "$1" = "#unmatched"
+ then
+ exit ${2:-1}
+ fi
+}
+
+isnumber()
+{
+ n=$(($1 + 0)) 2>/dev/null && test "$n" = "$1"
+}
+
+# Given a full hex object ID, is this the zero OID?
+is_zero_oid () {
+ echo "$1" | sane_egrep '^0+$' >/dev/null 2>&1
+}
+
+# Sanitize the local git environment for use within a submodule. We
+# can't simply use clear_local_git_env since we want to preserve some
+# of the settings from GIT_CONFIG_PARAMETERS.
+sanitize_submodule_env()
+{
+ save_config=$GIT_CONFIG_PARAMETERS
+ clear_local_git_env
+ GIT_CONFIG_PARAMETERS=$save_config
+ export GIT_CONFIG_PARAMETERS
+}
+
+#
+# Add a new submodule to the working tree, .gitmodules and the index
+#
+# $@ = repo path
+#
+# optional branch is stored in global branch variable
+#
+cmd_add()
+{
+ # parse $args after "submodule ... add".
+ reference_path=
+ while test $# -ne 0
+ do
+ case "$1" in
+ -b | --branch)
+ case "$2" in '') usage ;; esac
+ branch=$2
+ shift
+ ;;
+ -f | --force)
+ force=$1
+ ;;
+ -q|--quiet)
+ GIT_QUIET=1
+ ;;
+ --progress)
+ progress=1
+ ;;
+ --reference)
+ case "$2" in '') usage ;; esac
+ reference_path=$2
+ shift
+ ;;
+ --reference=*)
+ reference_path="${1#--reference=}"
+ ;;
+ --dissociate)
+ dissociate=1
+ ;;
+ --name)
+ case "$2" in '') usage ;; esac
+ custom_name=$2
+ shift
+ ;;
+ --depth)
+ case "$2" in '') usage ;; esac
+ depth="--depth=$2"
+ shift
+ ;;
+ --depth=*)
+ depth=$1
+ ;;
+ --)
+ shift
+ break
+ ;;
+ -*)
+ usage
+ ;;
+ *)
+ break
+ ;;
+ esac
+ shift
+ done
+
+ if ! git submodule--helper config --check-writeable >/dev/null 2>&1
+ then
+ die "$(eval_gettext "please make sure that the .gitmodules file is in the working tree")"
+ fi
+
+ if test -n "$reference_path"
+ then
+ is_absolute_path "$reference_path" ||
+ reference_path="$wt_prefix$reference_path"
+
+ reference="--reference=$reference_path"
+ fi
+
+ repo=$1
+ sm_path=$2
+
+ if test -z "$sm_path"; then
+ sm_path=$(printf '%s\n' "$repo" |
+ sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
+ fi
+
+ if test -z "$repo" || test -z "$sm_path"; then
+ usage
+ fi
+
+ is_absolute_path "$sm_path" || sm_path="$wt_prefix$sm_path"
+
+ # assure repo is absolute or relative to parent
+ case "$repo" in
+ ./*|../*)
+ test -z "$wt_prefix" ||
+ die "$(gettext "Relative path can only be used from the toplevel of the working tree")"
+
+ # dereference source url relative to parent's url
+ realrepo=$(git submodule--helper resolve-relative-url "$repo") || exit
+ ;;
+ *:*|/*)
+ # absolute url
+ realrepo=$repo
+ ;;
+ *)
+ die "$(eval_gettext "repo URL: '\$repo' must be absolute or begin with ./|../")"
+ ;;
+ esac
+
+ # normalize path:
+ # multiple //; leading ./; /./; /../; trailing /
+ sm_path=$(printf '%s/\n' "$sm_path" |
+ sed -e '
+ s|//*|/|g
+ s|^\(\./\)*||
+ s|/\(\./\)*|/|g
+ :start
+ s|\([^/]*\)/\.\./||
+ tstart
+ s|/*$||
+ ')
+ if test -z "$force"
+ then
+ git ls-files --error-unmatch "$sm_path" > /dev/null 2>&1 &&
+ die "$(eval_gettext "'\$sm_path' already exists in the index")"
+ else
+ git ls-files -s "$sm_path" | sane_grep -v "^160000" > /dev/null 2>&1 &&
+ die "$(eval_gettext "'\$sm_path' already exists in the index and is not a submodule")"
+ fi
+
+ if test -d "$sm_path" &&
+ test -z $(git -C "$sm_path" rev-parse --show-cdup 2>/dev/null)
+ then
+ git -C "$sm_path" rev-parse --verify -q HEAD >/dev/null ||
+ die "$(eval_gettext "'\$sm_path' does not have a commit checked out")"
+ fi
+
+ if test -z "$force"
+ then
+ dryerr=$(git add --dry-run --ignore-missing --no-warn-embedded-repo "$sm_path" 2>&1 >/dev/null)
+ res=$?
+ if test $res -ne 0
+ then
+ echo >&2 "$dryerr"
+ exit $res
+ fi
+ fi
+
+ if test -n "$custom_name"
+ then
+ sm_name="$custom_name"
+ else
+ sm_name="$sm_path"
+ fi
+
+ if ! git submodule--helper check-name "$sm_name"
+ then
+ die "$(eval_gettext "'$sm_name' is not a valid submodule name")"
+ fi
+
+ # perhaps the path exists and is already a git repo, else clone it
+ if test -e "$sm_path"
+ then
+ if test -d "$sm_path"/.git || test -f "$sm_path"/.git
+ then
+ eval_gettextln "Adding existing repo at '\$sm_path' to the index"
+ else
+ die "$(eval_gettext "'\$sm_path' already exists and is not a valid git repo")"
+ fi
+
+ else
+ if test -d ".git/modules/$sm_name"
+ then
+ if test -z "$force"
+ then
+ eval_gettextln >&2 "A git directory for '\$sm_name' is found locally with remote(s):"
+ GIT_DIR=".git/modules/$sm_name" GIT_WORK_TREE=. git remote -v | grep '(fetch)' | sed -e s,^," ", -e s,' (fetch)',, >&2
+ die "$(eval_gettextln "\
+If you want to reuse this local git directory instead of cloning again from
+ \$realrepo
+use the '--force' option. If the local git directory is not the correct repo
+or you are unsure what this means choose another name with the '--name' option.")"
+ else
+ eval_gettextln "Reactivating local git directory for submodule '\$sm_name'."
+ fi
+ fi
+ git submodule--helper clone ${GIT_QUIET:+--quiet} ${progress:+"--progress"} --prefix "$wt_prefix" --path "$sm_path" --name "$sm_name" --url "$realrepo" ${reference:+"$reference"} ${dissociate:+"--dissociate"} ${depth:+"$depth"} || exit
+ (
+ sanitize_submodule_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'")"
+ fi
+ git config submodule."$sm_name".url "$realrepo"
+
+ git add --no-warn-embedded-repo $force "$sm_path" ||
+ die "$(eval_gettext "Failed to add submodule '\$sm_path'")"
+
+ git submodule--helper config submodule."$sm_name".path "$sm_path" &&
+ git submodule--helper config submodule."$sm_name".url "$repo" &&
+ if test -n "$branch"
+ then
+ git submodule--helper config submodule."$sm_name".branch "$branch"
+ fi &&
+ git add --force .gitmodules ||
+ die "$(eval_gettext "Failed to register submodule '\$sm_path'")"
+
+ # NEEDSWORK: In a multi-working-tree world, this needs to be
+ # set in the per-worktree config.
+ if git config --get submodule.active >/dev/null
+ then
+ # If the submodule being adding isn't already covered by the
+ # current configured pathspec, set the submodule's active flag
+ if ! git submodule--helper is-active "$sm_path"
+ then
+ git config submodule."$sm_name".active "true"
+ fi
+ else
+ git config submodule."$sm_name".active "true"
+ fi
+}
+
+#
+# Execute an arbitrary command sequence in each checked out
+# submodule
+#
+# $@ = command to execute
+#
+cmd_foreach()
+{
+ # parse $args after "submodule ... foreach".
+ while test $# -ne 0
+ do
+ case "$1" in
+ -q|--quiet)
+ GIT_QUIET=1
+ ;;
+ --recursive)
+ recursive=1
+ ;;
+ -*)
+ usage
+ ;;
+ *)
+ break
+ ;;
+ esac
+ shift
+ done
+
+ git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper foreach ${GIT_QUIET:+--quiet} ${recursive:+--recursive} -- "$@"
+}
+
+#
+# Register submodules in .git/config
+#
+# $@ = requested paths (default to all)
+#
+cmd_init()
+{
+ # parse $args after "submodule ... init".
+ while test $# -ne 0
+ do
+ case "$1" in
+ -q|--quiet)
+ GIT_QUIET=1
+ ;;
+ --)
+ shift
+ break
+ ;;
+ -*)
+ usage
+ ;;
+ *)
+ break
+ ;;
+ esac
+ shift
+ done
+
+ git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper init ${GIT_QUIET:+--quiet} -- "$@"
+}
+
+#
+# Unregister submodules from .git/config and remove their work tree
+#
+cmd_deinit()
+{
+ # parse $args after "submodule ... deinit".
+ deinit_all=
+ while test $# -ne 0
+ do
+ case "$1" in
+ -f|--force)
+ force=$1
+ ;;
+ -q|--quiet)
+ GIT_QUIET=1
+ ;;
+ --all)
+ deinit_all=t
+ ;;
+ --)
+ shift
+ break
+ ;;
+ -*)
+ usage
+ ;;
+ *)
+ break
+ ;;
+ esac
+ shift
+ done
+
+ git ${wt_prefix:+-C "$wt_prefix"} submodule--helper deinit ${GIT_QUIET:+--quiet} ${prefix:+--prefix "$prefix"} ${force:+--force} ${deinit_all:+--all} -- "$@"
+}
+
+is_tip_reachable () (
+ sanitize_submodule_env &&
+ cd "$1" &&
+ rev=$(git rev-list -n 1 "$2" --not --all 2>/dev/null) &&
+ test -z "$rev"
+)
+
+# usage: fetch_in_submodule <module_path> [<depth>] [<sha1>]
+# Because arguments are positional, use an empty string to omit <depth>
+# but include <sha1>.
+fetch_in_submodule () (
+ sanitize_submodule_env &&
+ cd "$1" &&
+ if test $# -eq 3
+ then
+ echo "$3" | git fetch --stdin ${2:+"$2"}
+ else
+ git fetch ${2:+"$2"}
+ fi
+)
+
+#
+# Update each submodule path to correct revision, using clone and checkout as needed
+#
+# $@ = requested paths (default to all)
+#
+cmd_update()
+{
+ # parse $args after "submodule ... update".
+ while test $# -ne 0
+ do
+ case "$1" in
+ -q|--quiet)
+ GIT_QUIET=1
+ ;;
+ -v)
+ unset GIT_QUIET
+ ;;
+ --progress)
+ progress=1
+ ;;
+ -i|--init)
+ init=1
+ ;;
+ --require-init)
+ init=1
+ require_init=1
+ ;;
+ --remote)
+ remote=1
+ ;;
+ -N|--no-fetch)
+ nofetch=1
+ ;;
+ -f|--force)
+ force=$1
+ ;;
+ -r|--rebase)
+ update="rebase"
+ ;;
+ --reference)
+ case "$2" in '') usage ;; esac
+ reference="--reference=$2"
+ shift
+ ;;
+ --reference=*)
+ reference="$1"
+ ;;
+ --dissociate)
+ dissociate=1
+ ;;
+ -m|--merge)
+ update="merge"
+ ;;
+ --recursive)
+ recursive=1
+ ;;
+ --checkout)
+ update="checkout"
+ ;;
+ --recommend-shallow)
+ recommend_shallow="--recommend-shallow"
+ ;;
+ --no-recommend-shallow)
+ recommend_shallow="--no-recommend-shallow"
+ ;;
+ --depth)
+ case "$2" in '') usage ;; esac
+ depth="--depth=$2"
+ shift
+ ;;
+ --depth=*)
+ depth=$1
+ ;;
+ -j|--jobs)
+ case "$2" in '') usage ;; esac
+ jobs="--jobs=$2"
+ shift
+ ;;
+ --jobs=*)
+ jobs=$1
+ ;;
+ --single-branch)
+ single_branch="--single-branch"
+ ;;
+ --no-single-branch)
+ single_branch="--no-single-branch"
+ ;;
+ --)
+ shift
+ break
+ ;;
+ -*)
+ usage
+ ;;
+ *)
+ break
+ ;;
+ esac
+ shift
+ done
+
+ if test -n "$init"
+ then
+ cmd_init "--" "$@" || return
+ fi
+
+ {
+ git submodule--helper update-clone ${GIT_QUIET:+--quiet} \
+ ${progress:+"--progress"} \
+ ${wt_prefix:+--prefix "$wt_prefix"} \
+ ${prefix:+--recursive-prefix "$prefix"} \
+ ${update:+--update "$update"} \
+ ${reference:+"$reference"} \
+ ${dissociate:+"--dissociate"} \
+ ${depth:+--depth "$depth"} \
+ ${require_init:+--require-init} \
+ $single_branch \
+ $recommend_shallow \
+ $jobs \
+ -- \
+ "$@" || echo "#unmatched" $?
+ } | {
+ err=
+ while read -r quickabort sha1 just_cloned sm_path
+ do
+ die_if_unmatched "$quickabort" "$sha1"
+
+ git submodule--helper ensure-core-worktree "$sm_path" || exit 1
+
+ update_module=$(git submodule--helper update-module-mode $just_cloned "$sm_path" $update)
+
+ displaypath=$(git submodule--helper relative-path "$prefix$sm_path" "$wt_prefix")
+
+ if test $just_cloned -eq 1
+ then
+ subsha1=
+ else
+ subsha1=$(sanitize_submodule_env; cd "$sm_path" &&
+ git rev-parse --verify HEAD) ||
+ die "$(eval_gettext "Unable to find current revision in submodule path '\$displaypath'")"
+ fi
+
+ if test -n "$remote"
+ then
+ branch=$(git submodule--helper remote-branch "$sm_path")
+ if test -z "$nofetch"
+ then
+ # Fetch remote before determining tracking $sha1
+ fetch_in_submodule "$sm_path" $depth ||
+ die "$(eval_gettext "Unable to fetch in submodule path '\$sm_path'")"
+ fi
+ remote_name=$(sanitize_submodule_env; cd "$sm_path" && git submodule--helper print-default-remote)
+ sha1=$(sanitize_submodule_env; cd "$sm_path" &&
+ git rev-parse --verify "${remote_name}/${branch}") ||
+ die "$(eval_gettext "Unable to find current \${remote_name}/\${branch} revision in submodule path '\$sm_path'")"
+ fi
+
+ if test "$subsha1" != "$sha1" || test -n "$force"
+ then
+ subforce=$force
+ # If we don't already have a -f flag and the submodule has never been checked out
+ if test -z "$subsha1" && test -z "$force"
+ then
+ subforce="-f"
+ fi
+
+ if test -z "$nofetch"
+ then
+ # Run fetch only if $sha1 isn't present or it
+ # is not reachable from a ref.
+ is_tip_reachable "$sm_path" "$sha1" ||
+ fetch_in_submodule "$sm_path" $depth ||
+ say "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'; trying to directly fetch \$sha1:")"
+
+ # Now we tried the usual fetch, but $sha1 may
+ # not be reachable from any of the refs
+ is_tip_reachable "$sm_path" "$sha1" ||
+ fetch_in_submodule "$sm_path" "$depth" "$sha1" ||
+ die "$(eval_gettext "Fetched in submodule path '\$displaypath', but it did not contain \$sha1. Direct fetching of that commit failed.")"
+ fi
+
+ must_die_on_failure=
+ case "$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 ${GIT_QUIET:+--quiet}"
+ die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$displaypath'")"
+ say_msg="$(eval_gettext "Submodule path '\$displaypath': rebased into '\$sha1'")"
+ must_die_on_failure=yes
+ ;;
+ merge)
+ command="git merge ${GIT_QUIET:+--quiet}"
+ die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$displaypath'")"
+ say_msg="$(eval_gettext "Submodule path '\$displaypath': merged in '\$sha1'")"
+ must_die_on_failure=yes
+ ;;
+ !*)
+ command="${update_module#!}"
+ die_msg="$(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$displaypath'")"
+ say_msg="$(eval_gettext "Submodule path '\$displaypath': '\$command \$sha1'")"
+ must_die_on_failure=yes
+ ;;
+ *)
+ die "$(eval_gettext "Invalid update mode '$update_module' for submodule path '$path'")"
+ esac
+
+ if (sanitize_submodule_env; cd "$sm_path" && $command "$sha1")
+ then
+ say "$say_msg"
+ elif test -n "$must_die_on_failure"
+ then
+ die_with_status 2 "$die_msg"
+ else
+ err="${err};$die_msg"
+ continue
+ fi
+ fi
+
+ if test -n "$recursive"
+ then
+ (
+ prefix=$(git submodule--helper relative-path "$prefix$sm_path/" "$wt_prefix")
+ wt_prefix=
+ sanitize_submodule_env
+ cd "$sm_path" &&
+ eval cmd_update
+ )
+ res=$?
+ if test $res -gt 0
+ then
+ die_msg="$(eval_gettext "Failed to recurse into submodule path '\$displaypath'")"
+ if test $res -ne 2
+ then
+ err="${err};$die_msg"
+ continue
+ else
+ die_with_status $res "$die_msg"
+ fi
+ fi
+ fi
+ done
+
+ if test -n "$err"
+ then
+ OIFS=$IFS
+ IFS=';'
+ for e in $err
+ do
+ if test -n "$e"
+ then
+ echo >&2 "$e"
+ fi
+ done
+ IFS=$OIFS
+ exit 1
+ fi
+ }
+}
+
+#
+# Configures a submodule's default branch
+#
+# $@ = requested path
+#
+cmd_set_branch() {
+ default=
+ branch=
+
+ while test $# -ne 0
+ do
+ case "$1" in
+ -q|--quiet)
+ # we don't do anything with this but we need to accept it
+ ;;
+ -d|--default)
+ default=1
+ ;;
+ -b|--branch)
+ case "$2" in '') usage ;; esac
+ branch=$2
+ shift
+ ;;
+ --)
+ shift
+ break
+ ;;
+ -*)
+ usage
+ ;;
+ *)
+ break
+ ;;
+ esac
+ shift
+ done
+
+ git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper set-branch ${GIT_QUIET:+--quiet} ${branch:+--branch "$branch"} ${default:+--default} -- "$@"
+}
+
+#
+# Configures a submodule's remote url
+#
+# $@ = requested path, requested url
+#
+cmd_set_url() {
+ while test $# -ne 0
+ do
+ case "$1" in
+ -q|--quiet)
+ GIT_QUIET=1
+ ;;
+ --)
+ shift
+ break
+ ;;
+ -*)
+ usage
+ ;;
+ *)
+ break
+ ;;
+ esac
+ shift
+ done
+
+ git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper set-url ${GIT_QUIET:+--quiet} -- "$@"
+}
+
+#
+# Show commit summary for submodules in index or working tree
+#
+# If '--cached' is given, show summary between index and given commit,
+# or between working tree and given commit
+#
+# $@ = [commit (default 'HEAD'),] requested paths (default all)
+#
+cmd_summary() {
+ summary_limit=-1
+ for_status=
+ diff_cmd=diff-index
+
+ # parse $args after "submodule ... summary".
+ while test $# -ne 0
+ do
+ case "$1" in
+ --cached)
+ cached="$1"
+ ;;
+ --files)
+ files="$1"
+ ;;
+ --for-status)
+ for_status="$1"
+ ;;
+ -n|--summary-limit)
+ summary_limit="$2"
+ isnumber "$summary_limit" || usage
+ shift
+ ;;
+ --summary-limit=*)
+ summary_limit="${1#--summary-limit=}"
+ isnumber "$summary_limit" || usage
+ ;;
+ --)
+ shift
+ break
+ ;;
+ -*)
+ usage
+ ;;
+ *)
+ break
+ ;;
+ esac
+ shift
+ done
+
+ git ${wt_prefix:+-C "$wt_prefix"} submodule--helper summary ${prefix:+--prefix "$prefix"} ${files:+--files} ${cached:+--cached} ${for_status:+--for-status} ${summary_limit:+-n $summary_limit} -- "$@"
+}
+#
+# List all submodules, prefixed with:
+# - submodule not initialized
+# + different revision checked out
+#
+# If --cached was specified the revision in the index will be printed
+# instead of the currently checked out revision.
+#
+# $@ = requested paths (default to all)
+#
+cmd_status()
+{
+ # parse $args after "submodule ... status".
+ while test $# -ne 0
+ do
+ case "$1" in
+ -q|--quiet)
+ GIT_QUIET=1
+ ;;
+ --cached)
+ cached=1
+ ;;
+ --recursive)
+ recursive=1
+ ;;
+ --)
+ shift
+ break
+ ;;
+ -*)
+ usage
+ ;;
+ *)
+ break
+ ;;
+ esac
+ shift
+ done
+
+ git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper status ${GIT_QUIET:+--quiet} ${cached:+--cached} ${recursive:+--recursive} -- "$@"
+}
+#
+# Sync remote urls for submodules
+# This makes the value for remote.$remote.url match the value
+# specified in .gitmodules.
+#
+cmd_sync()
+{
+ while test $# -ne 0
+ do
+ case "$1" in
+ -q|--quiet)
+ GIT_QUIET=1
+ shift
+ ;;
+ --recursive)
+ recursive=1
+ shift
+ ;;
+ --)
+ shift
+ break
+ ;;
+ -*)
+ usage
+ ;;
+ *)
+ break
+ ;;
+ esac
+ done
+
+ git ${wt_prefix:+-C "$wt_prefix"} ${prefix:+--super-prefix "$prefix"} submodule--helper sync ${GIT_QUIET:+--quiet} ${recursive:+--recursive} -- "$@"
+}
+
+cmd_absorbgitdirs()
+{
+ git submodule--helper absorb-git-dirs --prefix "$wt_prefix" "$@"
+}
+
+# This loop parses the command line arguments to find the
+# subcommand name to dispatch. Parsing of the subcommand specific
+# options are primarily done by the subcommand implementations.
+# Subcommand specific options such as --branch and --cached are
+# parsed here as well, for backward compatibility.
+
+while test $# != 0 && test -z "$command"
+do
+ case "$1" in
+ add | foreach | init | deinit | update | set-branch | set-url | status | summary | sync | absorbgitdirs)
+ command=$1
+ ;;
+ -q|--quiet)
+ GIT_QUIET=1
+ ;;
+ -b|--branch)
+ case "$2" in
+ '')
+ usage
+ ;;
+ esac
+ branch="$2"; shift
+ ;;
+ --cached)
+ cached="$1"
+ ;;
+ --)
+ break
+ ;;
+ -*)
+ usage
+ ;;
+ *)
+ break
+ ;;
+ esac
+ shift
+done
+
+# No command word defaults to "status"
+if test -z "$command"
+then
+ if test $# = 0
+ then
+ command=status
+ else
+ usage
+ fi
+fi
+
+# "-b branch" is accepted only by "add" and "set-branch"
+if test -n "$branch" && (test "$command" != add || test "$command" != set-branch)
+then
+ usage
+fi
+
+# "--cached" is accepted only by "status" and "summary"
+if test -n "$cached" && test "$command" != status && test "$command" != summary
+then
+ usage
+fi
+
+"cmd_$(echo $command | sed -e s/-/_/g)" "$@"