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#!/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] [--] [<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: $dashless [--quiet] absorbgitdirs [--] [<path>...]"
OPTIONS_SPEC=
SUBDIRECTORY_OK=Yes
. git-sh-setup
. git-parse-remote
require_work_tree
wt_prefix=$(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=
die_if_unmatched ()
{
if test "$1" = "#unmatched"
then
exit ${2:-1}
fi
}
#
# Print a submodule configuration setting
#
# $1 = submodule name
# $2 = option name
# $3 = default value
#
# Checks in the usual git-config places first (for overrides),
# otherwise it falls back on .gitmodules. This allows you to
# distribute project-wide defaults in .gitmodules, while still
# customizing individual repositories if necessary. If the option is
# not in .gitmodules either, print a default value.
#
get_submodule_config () {
name="$1"
option="$2"
default="$3"
value=$(git config submodule."$name"."$option")
if test -z "$value"
then
value=$(git submodule--helper config submodule."$name"."$option")
fi
printf '%s' "${value:-$default}"
}
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 "$force" &&
! git add --dry-run --ignore-missing --no-warn-embedded-repo "$sm_path" > /dev/null 2>&1
then
eval_gettextln "The following path is ignored by one of your .gitignore files:
\$sm_path
Use -f if you really want to add it." >&2
exit 1
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"
)
fetch_in_submodule () (
sanitize_submodule_env &&
cd "$1" &&
case "$2" in
'')
git fetch ;;
*)
shift
git fetch $(get_default_remote) "$@" ;;
esac
)
#
# 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)
GIT_QUIET=0
;;
--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=$1
;;
--)
shift
break
;;
-*)
usage
;;
*)
break
;;
esac
shift
done
if test -n "$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} \
$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" && get_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="$(eval_gettext "Submodule path '\$displaypath': checked out '\$sha1'")"
;;
rebase)
command="git rebase"
die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$displaypath'")"
say_msg="$(eval_gettext "Submodule path '\$displaypath': rebased into '\$sha1'")"
must_die_on_failure=yes
;;
merge)
command="git merge"
die_msg="$(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() {
unset_branch=false
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)
unset_branch=true
;;
-b|--branch)
case "$2" in '') usage ;; esac
branch=$2
shift
;;
--)
shift
break
;;
-*)
usage
;;
*)
break
;;
esac
shift
done
if test $# -ne 1
then
usage
fi
# we can't use `git submodule--helper name` here because internally, it
# hashes the path so a trailing slash could lead to an unintentional no match
name="$(git submodule--helper list "$1" | cut -f2)"
if test -z "$name"
then
exit 1
fi
test -n "$branch"; has_branch=$?
test "$unset_branch" = true; has_unset_branch=$?
if test $((!$has_branch != !$has_unset_branch)) -eq 0
then
usage
fi
if test $has_branch -eq 0
then
git submodule--helper config submodule."$name".branch "$branch"
else
git submodule--helper config --unset submodule."$name".branch
fi
}
#
# 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
if test $# -ne 2
then
usage
fi
# we can't use `git submodule--helper name` here because internally, it
# hashes the path so a trailing slash could lead to an unintentional no match
name="$(git submodule--helper list "$1" | cut -f2)"
if test -z "$name"
then
exit 1
fi
url="$2"
if test -z "$url"
then
exit 1
fi
git submodule--helper config submodule."$name".url "$url"
git submodule--helper sync ${GIT_QUIET:+--quiet} "$name"
}
#
# 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
test $summary_limit = 0 && return
if rev=$(git rev-parse -q --verify --default HEAD ${1+"$1"})
then
head=$rev
test $# = 0 || shift
elif test -z "$1" || test "$1" = "HEAD"
then
# before the first commit: compare with an empty tree
head=$(git hash-object -w -t tree --stdin </dev/null)
test -z "$1" || shift
else
head="HEAD"
fi
if [ -n "$files" ]
then
test -n "$cached" &&
die "$(gettext "The --cached option cannot be used with the --files option")"
diff_cmd=diff-files
head=
fi
cd_to_toplevel
eval "set $(git rev-parse --sq --prefix "$wt_prefix" -- "$@")"
# Get modified modules cared by user
modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
sane_egrep '^:([0-7]* )?160000' |
while read -r mod_src mod_dst sha1_src sha1_dst status sm_path
do
# Always show modules deleted or type-changed (blob<->module)
if test "$status" = D || test "$status" = T
then
printf '%s\n' "$sm_path"
continue
fi
# Respect the ignore setting for --for-status.
if test -n "$for_status"
then
name=$(git submodule--helper name "$sm_path")
ignore_config=$(get_submodule_config "$name" ignore none)
test $status != A && test $ignore_config = all && continue
fi
# Also show added or modified modules which are checked out
GIT_DIR="$sm_path/.git" git rev-parse --git-dir >/dev/null 2>&1 &&
printf '%s\n' "$sm_path"
done
)
test -z "$modules" && return
git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
sane_egrep '^:([0-7]* )?160000' |
cut -c2- |
while read -r mod_src mod_dst sha1_src sha1_dst status name
do
if test -z "$cached" &&
is_zero_oid $sha1_dst
then
case "$mod_dst" in
160000)
sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
;;
100644 | 100755 | 120000)
sha1_dst=$(git hash-object $name)
;;
000000)
;; # removed
*)
# unexpected type
eval_gettextln "unexpected mode \$mod_dst" >&2
continue ;;
esac
fi
missing_src=
missing_dst=
test $mod_src = 160000 &&
! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_src^0 >/dev/null &&
missing_src=t
test $mod_dst = 160000 &&
! GIT_DIR="$name/.git" git rev-parse -q --verify $sha1_dst^0 >/dev/null &&
missing_dst=t
display_name=$(git submodule--helper relative-path "$name" "$wt_prefix")
total_commits=
case "$missing_src,$missing_dst" in
t,)
errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_src")"
;;
,t)
errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commit \$sha1_dst")"
;;
t,t)
errmsg="$(eval_gettext " Warn: \$display_name doesn't contain commits \$sha1_src and \$sha1_dst")"
;;
*)
errmsg=
total_commits=$(
if test $mod_src = 160000 && test $mod_dst = 160000
then
range="$sha1_src...$sha1_dst"
elif test $mod_src = 160000
then
range=$sha1_src
else
range=$sha1_dst
fi
GIT_DIR="$name/.git" \
git rev-list --first-parent $range -- | wc -l
)
total_commits=" ($(($total_commits + 0)))"
;;
esac
sha1_abbr_src=$(GIT_DIR="$name/.git" git rev-parse --short $sha1_src 2>/dev/null ||
echo $sha1_src | cut -c1-7)
sha1_abbr_dst=$(GIT_DIR="$name/.git" git rev-parse --short $sha1_dst 2>/dev/null ||
echo $sha1_dst | cut -c1-7)
if test $status = T
then
blob="$(gettext "blob")"
submodule="$(gettext "submodule")"
if test $mod_dst = 160000
then
echo "* $display_name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
else
echo "* $display_name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
fi
else
echo "* $display_name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
fi
if test -n "$errmsg"
then
# Don't give error msg for modification whose dst is not submodule
# i.e. deleted or changed to blob
test $mod_dst = 160000 && echo "$errmsg"
else
if test $mod_src = 160000 && test $mod_dst = 160000
then
limit=
test $summary_limit -gt 0 && limit="-$summary_limit"
GIT_DIR="$name/.git" \
git log $limit --pretty='format: %m %s' \
--first-parent $sha1_src...$sha1_dst
elif test $mod_dst = 160000
then
GIT_DIR="$name/.git" \
git log --pretty='format: > %s' -1 $sha1_dst
else
GIT_DIR="$name/.git" \
git log --pretty='format: < %s' -1 $sha1_src
fi
echo
fi
echo
done
}
#
# 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 $command | sed -e s/-/_/g)" "$@"
