custom_name=
depth=
-# The function takes at most 2 arguments. The first argument is the
-# URL that navigates to the submodule origin repo. When relative, this URL
-# is relative to the superproject origin URL repo. The second up_path
-# argument, if specified, is the relative path that navigates
-# from the submodule working tree to the superproject working tree.
-#
-# The output of the function is the origin URL of the submodule.
-#
-# The output will either be an absolute URL or filesystem path (if the
-# superproject origin URL is an absolute URL or filesystem path,
-# respectively) or a relative file system path (if the superproject
-# origin URL is a relative file system path).
-#
-# When the output is a relative file system path, the path is either
-# relative to the submodule working tree, if up_path is specified, or to
-# the superproject working tree otherwise.
-resolve_relative_url ()
-{
- remote=$(get_default_remote)
- remoteurl=$(git config "remote.$remote.url") ||
- remoteurl=$(pwd) # the repository is its own authoritative upstream
- url="$1"
- remoteurl=${remoteurl%/}
- sep=/
- up_path="$2"
-
- case "$remoteurl" in
- *:*|/*)
- is_relative=
- ;;
- ./*|../*)
- is_relative=t
- ;;
- *)
- is_relative=t
- remoteurl="./$remoteurl"
- ;;
- esac
-
- while test -n "$url"
- do
- case "$url" in
- ../*)
- url="${url#../}"
- case "$remoteurl" in
- */*)
- remoteurl="${remoteurl%/*}"
- ;;
- *:*)
- remoteurl="${remoteurl%:*}"
- sep=:
- ;;
- *)
- if test -z "$is_relative" || test "." = "$remoteurl"
- then
- die "$(eval_gettext "cannot strip one component off url '\$remoteurl'")"
- else
- remoteurl=.
- fi
- ;;
- esac
- ;;
- ./*)
- url="${url#./}"
- ;;
- *)
- break;;
- esac
- done
- remoteurl="$remoteurl$sep${url%/}"
- echo "${is_relative:+${up_path}}${remoteurl#./}"
-}
-
# Resolve a path to be relative to another path. This is intended for
# converting submodule paths when git-submodule is run in a subdirectory
# and only handles paths where the directory separator is '/'.
echo "$result$target"
}
-#
-# Get submodule info for registered submodules
-# $@ = path to limit submodule list
-#
-module_list()
-{
- eval "set $(git rev-parse --sq --prefix "$wt_prefix" -- "$@")"
- (
- git ls-files -z --error-unmatch --stage -- "$@" ||
- echo "unmatched pathspec exists"
- ) |
- @@PERL@@ -e '
- my %unmerged = ();
- my ($null_sha1) = ("0" x 40);
- my @out = ();
- my $unmatched = 0;
- $/ = "\0";
- while (<STDIN>) {
- if (/^unmatched pathspec/) {
- $unmatched = 1;
- next;
- }
- chomp;
- my ($mode, $sha1, $stage, $path) =
- /^([0-7]+) ([0-9a-f]{40}) ([0-3])\t(.*)$/;
- next unless $mode eq "160000";
- if ($stage ne "0") {
- if (!$unmerged{$path}++) {
- push @out, "$mode $null_sha1 U\t$path\n";
- }
- next;
- }
- push @out, "$_\n";
- }
- if ($unmatched) {
- print "#unmatched\n";
- } else {
- print for (@out);
- }
- '
-}
-
die_if_unmatched ()
{
if test "$1" = "#unmatched"
printf '%s' "${value:-$default}"
}
-
-#
-# Map submodule path to submodule name
-#
-# $1 = path
-#
-module_name()
-{
- # Do we have "submodule.<something>.path = $1" defined in .gitmodules file?
- sm_path="$1"
- re=$(printf '%s\n' "$1" | sed -e 's/[].[^$\\*]/\\&/g')
- name=$( git config -f .gitmodules --get-regexp '^submodule\..*\.path$' |
- sed -n -e 's|^submodule\.\(.*\)\.path '"$re"'$|\1|p' )
- test -z "$name" &&
- die "$(eval_gettext "No submodule mapping found in .gitmodules for path '\$sm_path'")"
- printf '%s\n' "$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)
-#
-# 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,
-# since it is the location of a new submodule.
-#
-module_clone()
-{
- sm_path=$1
- name=$2
- url=$3
- reference="$4"
- depth="$5"
- quiet=
- if test -n "$GIT_QUIET"
- then
- quiet=-q
- fi
-
- gitdir=
- gitdir_base=
- base_name=$(dirname "$name")
-
- gitdir=$(git rev-parse --git-dir)
- gitdir_base="$gitdir/modules/$base_name"
- gitdir="$gitdir/modules/$name"
-
- if test -d "$gitdir"
- then
- mkdir -p "$sm_path"
- rm -f "$gitdir/index"
- else
- mkdir -p "$gitdir_base"
- (
- clear_local_git_env
- git clone $quiet ${depth:+"$depth"} -n ${reference:+"$reference"} \
- --separate-git-dir "$gitdir" "$url" "$sm_path"
- ) ||
- die "$(eval_gettext "Clone of '\$url' into submodule path '\$sm_path' failed")"
- fi
-
- # We already are at the root of the work tree but cd_to_toplevel will
- # resolve any symlinks that might be present in $PWD
- a=$(cd_to_toplevel && cd "$gitdir" && pwd)/
- b=$(cd_to_toplevel && cd "$sm_path" && pwd)/
- # Remove all common leading directories after a sanity check
- if test "${a#$b}" != "$a" || test "${b#$a}" != "$b"; then
- die "$(eval_gettext "Gitdir '\$a' is part of the submodule path '\$b' or vice versa")"
- fi
- while test "${a%%/*}" = "${b%%/*}"
- do
- a=${a#*/}
- b=${b#*/}
- done
- # Now chop off the trailing '/'s that were added in the beginning
- a=${a%/}
- b=${b%/}
-
- # Turn each leading "*/" component into "../"
- rel=$(printf '%s\n' "$b" | sed -e 's|[^/][^/]*|..|g')
- printf '%s\n' "gitdir: $rel/$a" >"$sm_path/.git"
-
- rel=$(printf '%s\n' "$a" | sed -e 's|[^/][^/]*|..|g')
- (clear_local_git_env; cd "$sm_path" && GIT_WORK_TREE=. git config core.worktree "$rel/$b")
-}
-
isnumber()
{
n=$(($1 + 0)) 2>/dev/null && test "$n" = "$1"
die "$(gettext "Relative path can only be used from the toplevel of the working tree")"
# dereference source url relative to parent's url
- realrepo=$(resolve_relative_url "$repo") || exit
+ realrepo=$(git submodule--helper resolve-relative-url "$repo") || exit
;;
*:*|/*)
# absolute url
echo "$(eval_gettext "Reactivating local git directory for submodule '\$sm_name'.")"
fi
fi
- module_clone "$sm_path" "$sm_name" "$realrepo" "$reference" "$depth" || exit
+ git submodule--helper clone ${GIT_QUIET:+--quiet} --prefix "$wt_prefix" --path "$sm_path" --name "$sm_name" --url "$realrepo" "$reference" "$depth" || exit
(
clear_local_git_env
cd "$sm_path" &&
# command in the subshell (and a recursive call to this function)
exec 3<&0
- module_list |
+ git submodule--helper list --prefix "$wt_prefix"|
while read mode sha1 stage sm_path
do
die_if_unmatched "$mode"
if test -e "$sm_path"/.git
then
- displaypath=$(relative_path "$sm_path")
- say "$(eval_gettext "Entering '\$prefix\$displaypath'")"
- name=$(module_name "$sm_path")
+ displaypath=$(relative_path "$prefix$sm_path")
+ say "$(eval_gettext "Entering '\$displaypath'")"
+ name=$(git submodule--helper name "$sm_path")
(
prefix="$prefix$sm_path/"
clear_local_git_env
cmd_foreach "--recursive" "$@"
fi
) <&3 3<&- ||
- die "$(eval_gettext "Stopping at '\$prefix\$displaypath'; script returned non-zero status.")"
+ die "$(eval_gettext "Stopping at '\$displaypath'; script returned non-zero status.")"
fi
done
}
shift
done
- module_list "$@" |
- while read mode sha1 stage sm_path
- do
- die_if_unmatched "$mode"
- name=$(module_name "$sm_path") || exit
-
- displaypath=$(relative_path "$sm_path")
-
- # Copy url setting when it is not set yet
- if test -z "$(git config "submodule.$name.url")"
- then
- url=$(git config -f .gitmodules submodule."$name".url)
- test -z "$url" &&
- die "$(eval_gettext "No url found for submodule path '\$displaypath' in .gitmodules")"
-
- # Possibly a url relative to parent
- case "$url" in
- ./*|../*)
- url=$(resolve_relative_url "$url") || exit
- ;;
- esac
- git config submodule."$name".url "$url" ||
- die "$(eval_gettext "Failed to register url for submodule path '\$displaypath'")"
-
- say "$(eval_gettext "Submodule '\$name' (\$url) registered for path '\$displaypath'")"
- fi
-
- # Copy "update" setting when it is not set yet
- if upd="$(git config -f .gitmodules submodule."$name".update)" &&
- test -n "$upd" &&
- test -z "$(git config submodule."$name".update)"
- then
- case "$upd" in
- checkout | rebase | merge | none)
- ;; # known modes of updating
- *)
- echo >&2 "warning: unknown update mode '$upd' suggested for submodule '$name'"
- upd=none
- ;;
- esac
- git config submodule."$name".update "$upd" ||
- die "$(eval_gettext "Failed to register update mode for submodule path '\$displaypath'")"
- fi
- done
+ git ${wt_prefix:+-C "$wt_prefix"} submodule--helper init ${GIT_QUIET:+--quiet} ${prefix:+--prefix "$prefix"} "$@"
}
#
die "$(eval_gettext "Use '.' if you really want to deinitialize all submodules")"
fi
- module_list "$@" |
+ git submodule--helper list --prefix "$wt_prefix" "$@" |
while read mode sha1 stage sm_path
do
die_if_unmatched "$mode"
- name=$(module_name "$sm_path") || exit
+ name=$(git submodule--helper name "$sm_path") || exit
displaypath=$(relative_path "$sm_path")
done
}
+is_tip_reachable () (
+ clear_local_git_env
+ cd "$1" &&
+ rev=$(git rev-list -n 1 "$2" --not --all 2>/dev/null) &&
+ test -z "$rev"
+)
+
+fetch_in_submodule () (
+ clear_local_git_env
+ cd "$1" &&
+ case "$2" in
+ '')
+ git fetch ;;
+ *)
+ git fetch $(get_default_remote) "$2" ;;
+ esac
+)
+
#
# Update each submodule path to correct revision, using clone and checkout as needed
#
--depth=*)
depth=$1
;;
+ -j|--jobs)
+ case "$2" in '') usage ;; esac
+ jobs="--jobs=$2"
+ shift
+ ;;
+ --jobs=*)
+ jobs=$1
+ ;;
--)
shift
break
cmd_init "--" "$@" || return
fi
- cloned_modules=
- module_list "$@" | {
+ {
+ git submodule--helper update-clone ${GIT_QUIET:+--quiet} \
+ ${wt_prefix:+--prefix "$wt_prefix"} \
+ ${prefix:+--recursive-prefix "$prefix"} \
+ ${update:+--update "$update"} \
+ ${reference:+--reference "$reference"} \
+ ${depth:+--depth "$depth"} \
+ ${jobs:+$jobs} \
+ "$@" || echo "#unmatched"
+ } | {
err=
- while read mode sha1 stage sm_path
+ while read mode sha1 stage just_cloned sm_path
do
die_if_unmatched "$mode"
- if test "$stage" = U
- then
- echo >&2 "Skipping unmerged submodule $prefix$sm_path"
- continue
- fi
- name=$(module_name "$sm_path") || exit
+
+ name=$(git submodule--helper name "$sm_path") || exit
url=$(git config submodule."$name".url)
branch=$(get_submodule_config "$name" branch master)
if ! test -z "$update"
displaypath=$(relative_path "$prefix$sm_path")
- if test "$update_module" = "none"
- then
- echo "Skipping submodule '$displaypath'"
- continue
- fi
-
- if test -z "$url"
- then
- # Only mention uninitialized submodules when its
- # path have been specified
- test "$#" != "0" &&
- say "$(eval_gettext "Submodule path '\$displaypath' not initialized
-Maybe you want to use 'update --init'?")"
- continue
- fi
-
- if ! test -d "$sm_path"/.git && ! test -f "$sm_path"/.git
+ if test $just_cloned -eq 1
then
- module_clone "$sm_path" "$name" "$url" "$reference" "$depth" || exit
- cloned_modules="$cloned_modules;$name"
subsha1=
+ update_module=checkout
else
subsha1=$(clear_local_git_env; cd "$sm_path" &&
git rev-parse --verify HEAD) ||
then
# Run fetch only if $sha1 isn't present or it
# is not reachable from a ref.
- (clear_local_git_env; cd "$sm_path" &&
- ( (rev=$(git rev-list -n 1 $sha1 --not --all 2>/dev/null) &&
- test -z "$rev") || git-fetch)) ||
+ is_tip_reachable "$sm_path" "$sha1" ||
+ fetch_in_submodule "$sm_path" ||
die "$(eval_gettext "Unable to fetch in submodule path '\$displaypath'")"
- fi
- # Is this something we just cloned?
- case ";$cloned_modules;" in
- *";$name;"*)
- # then there is no local change to integrate
- update_module=checkout ;;
- esac
+ # 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" "$sha1" ||
+ die "$(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
;;
!*)
command="${update_module#!}"
- die_msg="$(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$prefix\$sm_path'")"
- say_msg="$(eval_gettext "Submodule path '\$prefix\$sm_path': '\$command \$sha1'")"
+ die_msg="$(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$displaypath'")"
+ say_msg="$(eval_gettext "Submodule path '\$displaypath': '\$command \$sha1'")"
must_die_on_failure=yes
;;
*)
if test -n "$recursive"
then
(
- prefix="$prefix$sm_path/"
+ prefix=$(relative_path "$prefix$sm_path/")
+ wt_prefix=
clear_local_git_env
cd "$sm_path" &&
eval cmd_update
# Respect the ignore setting for --for-status.
if test -n "$for_status"
then
- name=$(module_name "$sm_path")
+ name=$(git submodule--helper name "$sm_path")
ignore_config=$(get_submodule_config "$name" ignore none)
test $status != A && test $ignore_config = all && continue
fi
shift
done
- module_list "$@" |
+ git submodule--helper list --prefix "$wt_prefix" "$@" |
while read mode sha1 stage sm_path
do
die_if_unmatched "$mode"
- name=$(module_name "$sm_path") || exit
+ name=$(git submodule--helper name "$sm_path") || exit
url=$(git config submodule."$name".url)
displaypath=$(relative_path "$prefix$sm_path")
if test "$stage" = U
(
prefix="$displaypath/"
clear_local_git_env
+ wt_prefix=
cd "$sm_path" &&
eval cmd_status
) ||
esac
done
cd_to_toplevel
- module_list "$@" |
+ git submodule--helper list --prefix "$wt_prefix" "$@" |
while read mode sha1 stage sm_path
do
die_if_unmatched "$mode"
- name=$(module_name "$sm_path")
+ name=$(git submodule--helper name "$sm_path")
url=$(git config -f .gitmodules --get submodule."$name".url)
# Possibly a url relative to parent
# guarantee a trailing /
up_path=${up_path%/}/ &&
# path from submodule work tree to submodule origin repo
- sub_origin_url=$(resolve_relative_url "$url" "$up_path") &&
+ sub_origin_url=$(git submodule--helper resolve-relative-url "$url" "$up_path") &&
# path from superproject work tree to submodule origin repo
- super_config_url=$(resolve_relative_url "$url") || exit
+ super_config_url=$(git submodule--helper resolve-relative-url "$url") || exit
;;
*)
sub_origin_url="$url"