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git-commit-vandalism/git-submodule.sh
Heiko Voigt be9d0a3a4c Let submodule command exit with error status if path does not exist 
Various subcommands of the "git submodule" command exited with 0
status even though the path given by the user did not exist.

The reason behind that was that they all pipe the output of
module_list into the while loop which then does the action on the
paths specified by the commandline. Since the exit code of the
command on the upstream side of the pipe is ignored by the shell,
the status code of "ls-files --error-unmatch" nor "module_list" was
not propagated.

In case ls-files returns with an error code, we write a special
string that is not possible in non error situations, and no other
output, so that the downstream can detect the error and die with an
error code.

The error message that there is an unmatched pathspec comes through
stderr directly from ls-files. So the user still gets a hint whats going
on.

Signed-off-by: Heiko Voigt <hvoigt@hvoigt.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2012-08-14 14:00:17 -07:00

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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] add [-b branch] [-f|--force] [--reference <repository>] [--] <repository> [<path>]
or: $dashless [--quiet] status [--cached] [--recursive] [--] [<path>...]
or: $dashless [--quiet] init [--] [<path>...]
or: $dashless [--quiet] update [--init] [-N|--no-fetch] [-f|--force] [--rebase] [--reference <repository>] [--merge] [--recursive] [--] [<path>...]
or: $dashless [--quiet] summary [--cached|--files] [--summary-limit <n>] [commit] [--] [<path>...]
or: $dashless [--quiet] foreach [--recursive] <command>
or: $dashless [--quiet] sync [--] [<path>...]"
OPTIONS_SPEC=
. git-sh-setup
. git-sh-i18n
. git-parse-remote
require_work_tree
command=
branch=
force=
reference=
cached=
recursive=
init=
files=
nofetch=
update=
prefix=
# Resolve relative url by appending to parent's url
resolve_relative_url ()
{
remote=$(get_default_remote)
remoteurl=$(git config "remote.$remote.url") ||
remoteurl=$(pwd) # the repository is its own authoritative upstream
url="$1"
remoteurl=${remoteurl%/}
sep=/
while test -n "$url"
do
case "$url" in
../*)
url="${url#../}"
case "$remoteurl" in
*/*)
remoteurl="${remoteurl%/*}"
;;
*:*)
remoteurl="${remoteurl%:*}"
sep=:
;;
*)
die "$(eval_gettext "cannot strip one component off url '\$remoteurl'")"
;;
esac
;;
./*)
url="${url#./}"
;;
*)
break;;
esac
done
echo "$remoteurl$sep${url%/}"
}
#
# Get submodule info for registered submodules
# $@ = path to limit submodule list
#
module_list()
{
(
git ls-files --error-unmatch --stage -- "$@" ||
echo "unmatched pathspec exists"
) |
perl -e '
my %unmerged = ();
my ($null_sha1) = ("0" x 40);
my @out = ();
my $unmatched = 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"
then
exit 1
fi
}
#
# 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'")"
echo "$name"
}
#
# Clone a submodule
#
# 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
url=$2
reference="$3"
quiet=
if test -n "$GIT_QUIET"
then
quiet=-q
fi
gitdir=
gitdir_base=
name=$(module_name "$sm_path" 2>/dev/null)
test -n "$name" || name="$sm_path"
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"
git clone $quiet -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)/
# normalize Windows-style absolute paths to POSIX-style absolute paths
case $a in [a-zA-Z]:/*) a=/${a%%:*}${a#*:} ;; esac
case $b in [a-zA-Z]:/*) b=/${b%%:*}${b#*:} ;; esac
# Remove all common leading directories after a sanity check
if test "${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=$(echo $b | sed -e 's|[^/][^/]*|..|g')
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")
}
#
# 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".
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
;;
--reference)
case "$2" in '') usage ;; esac
reference="--reference=$2"
shift
;;
--reference=*)
reference="$1"
shift
;;
--)
shift
break
;;
-*)
usage
;;
*)
break
;;
esac
shift
done
repo=$1
sm_path=$2
if test -z "$sm_path"; then
sm_path=$(echo "$repo" |
sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
fi
if test -z "$repo" -o -z "$sm_path"; then
usage
fi
# assure repo is absolute or relative to parent
case "$repo" in
./*|../*)
# dereference source url relative to parent's url
realrepo=$(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|/*$||
')
git ls-files --error-unmatch "$sm_path" > /dev/null 2>&1 &&
die "$(eval_gettext "'\$sm_path' already exists in the index")"
if test -z "$force" && ! git add --dry-run --ignore-missing "$sm_path" > /dev/null 2>&1
then
eval_gettextln "The following path is ignored by one of your .gitignore files:
\$sm_path
Use -f if you really want to add it." >&2
exit 1
fi
# perhaps the path exists and is already a git repo, else clone it
if test -e "$sm_path"
then
if test -d "$sm_path"/.git -o -f "$sm_path"/.git
then
eval_gettextln "Adding existing repo at '\$sm_path' to the index"
else
die "$(eval_gettext "'\$sm_path' already exists and is not a valid git repo")"
fi
else
module_clone "$sm_path" "$realrepo" "$reference" || 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'")"
fi
git config submodule."$sm_path".url "$realrepo"
git add $force "$sm_path" ||
die "$(eval_gettext "Failed to add submodule '\$sm_path'")"
git config -f .gitmodules submodule."$sm_path".path "$sm_path" &&
git config -f .gitmodules submodule."$sm_path".url "$repo" &&
git add --force .gitmodules ||
die "$(eval_gettext "Failed to register submodule '\$sm_path'")"
}
#
# 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 "$1" in
-q|--quiet)
GIT_QUIET=1
;;
--recursive)
recursive=1
;;
-*)
usage
;;
*)
break
;;
esac
shift
done
toplevel=$(pwd)
# dup stdin so that it can be restored when running the external
# command in the subshell (and a recursive call to this function)
exec 3<&0
module_list |
while read mode sha1 stage sm_path
do
die_if_unmatched "$mode"
if test -e "$sm_path"/.git
then
say "$(eval_gettext "Entering '\$prefix\$sm_path'")"
name=$(module_name "$sm_path")
(
prefix="$prefix$sm_path/"
clear_local_git_env
# we make $path available to scripts ...
path=$sm_path
cd "$sm_path" &&
eval "$@" &&
if test -n "$recursive"
then
cmd_foreach "--recursive" "$@"
fi
) <&3 3<&- ||
die "$(eval_gettext "Stopping at '\$sm_path'; script returned non-zero status.")"
fi
done
}
#
# Register submodules in .git/config
#
# $@ = requested paths (default to all)
#
cmd_init()
{
# parse $args after "submodule ... init".
while test $# -ne 0
do
case "$1" in
-q|--quiet)
GIT_QUIET=1
;;
--)
shift
break
;;
-*)
usage
;;
*)
break
;;
esac
shift
done
module_list "$@" |
while read mode sha1 stage sm_path
do
die_if_unmatched "$mode"
name=$(module_name "$sm_path") || exit
# Copy url setting when it is not set yet
if test -z "$(git config "submodule.$name.url")"
then
url=$(git config -f .gitmodules submodule."$name".url)
test -z "$url" &&
die "$(eval_gettext "No url found for submodule path '\$sm_path' in .gitmodules")"
# Possibly a url relative to parent
case "$url" in
./*|../*)
url=$(resolve_relative_url "$url") || exit
;;
esac
git config submodule."$name".url "$url" ||
die "$(eval_gettext "Failed to register url for submodule path '\$sm_path'")"
say "$(eval_gettext "Submodule '\$name' (\$url) registered for path '\$sm_path'")"
fi
# Copy "update" setting when it is not set yet
upd="$(git config -f .gitmodules submodule."$name".update)"
test -z "$upd" ||
test -n "$(git config submodule."$name".update)" ||
git config submodule."$name".update "$upd" ||
die "$(eval_gettext "Failed to register update mode for submodule path '\$sm_path'")"
done
}
#
# 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".
orig_flags=
while test $# -ne 0
do
case "$1" in
-q|--quiet)
GIT_QUIET=1
;;
-i|--init)
init=1
;;
-N|--no-fetch)
nofetch=1
;;
-f|--force)
force=$1
;;
-r|--rebase)
update="rebase"
;;
--reference)
case "$2" in '') usage ;; esac
reference="--reference=$2"
orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
shift
;;
--reference=*)
reference="$1"
;;
-m|--merge)
update="merge"
;;
--recursive)
recursive=1
;;
--checkout)
update="checkout"
;;
--)
shift
break
;;
-*)
usage
;;
*)
break
;;
esac
orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
shift
done
if test -n "$init"
then
cmd_init "--" "$@" || return
fi
cloned_modules=
module_list "$@" | {
err=
while read mode sha1 stage sm_path
do
die_if_unmatched "$mode"
if test "$stage" = U
then
echo >&2 "Skipping unmerged submodule $sm_path"
continue
fi
name=$(module_name "$sm_path") || exit
url=$(git config submodule."$name".url)
if ! test -z "$update"
then
update_module=$update
else
update_module=$(git config submodule."$name".update)
fi
if test "$update_module" = "none"
then
echo "Skipping submodule '$sm_path'"
continue
fi
if test -z "$url"
then
# Only mention uninitialized submodules when its
# path have been specified
test "$#" != "0" &&
say "$(eval_gettext "Submodule path '\$sm_path' not initialized
Maybe you want to use 'update --init'?")"
continue
fi
if ! test -d "$sm_path"/.git -o -f "$sm_path"/.git
then
module_clone "$sm_path" "$url" "$reference"|| exit
cloned_modules="$cloned_modules;$name"
subsha1=
else
subsha1=$(clear_local_git_env; cd "$sm_path" &&
git rev-parse --verify HEAD) ||
die "$(eval_gettext "Unable to find current revision in submodule path '\$sm_path'")"
fi
if test "$subsha1" != "$sha1"
then
subforce=$force
# If we don't already have a -f flag and the submodule has never been checked out
if test -z "$subsha1" -a -z "$force"
then
subforce="-f"
fi
if test -z "$nofetch"
then
# Run fetch only if $sha1 isn't present or it
# is not reachable from a ref.
(clear_local_git_env; cd "$sm_path" &&
( (rev=$(git rev-list -n 1 $sha1 --not --all 2>/dev/null) &&
test -z "$rev") || git-fetch)) ||
die "$(eval_gettext "Unable to fetch in submodule path '\$sm_path'")"
fi
# Is this something we just cloned?
case ";$cloned_modules;" in
*";$name;"*)
# then there is no local change to integrate
update_module= ;;
esac
must_die_on_failure=
case "$update_module" in
rebase)
command="git rebase"
die_msg="$(eval_gettext "Unable to rebase '\$sha1' in submodule path '\$sm_path'")"
say_msg="$(eval_gettext "Submodule path '\$sm_path': rebased into '\$sha1'")"
must_die_on_failure=yes
;;
merge)
command="git merge"
die_msg="$(eval_gettext "Unable to merge '\$sha1' in submodule path '\$sm_path'")"
say_msg="$(eval_gettext "Submodule path '\$sm_path': merged in '\$sha1'")"
must_die_on_failure=yes
;;
*)
command="git checkout $subforce -q"
die_msg="$(eval_gettext "Unable to checkout '\$sha1' in submodule path '\$sm_path'")"
say_msg="$(eval_gettext "Submodule path '\$sm_path': checked out '\$sha1'")"
;;
esac
if (clear_local_git_env; cd "$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
(clear_local_git_env; cd "$sm_path" && eval cmd_update "$orig_flags")
res=$?
if test $res -gt 0
then
die_msg="$(eval_gettext "Failed to recurse into submodule path '\$sm_path'")"
if test $res -eq 1
then
err="${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
}
}
set_name_rev () {
revname=$( (
clear_local_git_env
cd "$1" && {
git describe "$2" 2>/dev/null ||
git describe --tags "$2" 2>/dev/null ||
git describe --contains "$2" 2>/dev/null ||
git describe --all --always "$2"
}
) )
test -z "$revname" || revname=" ($revname)"
}
#
# 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="$1"
;;
-n|--summary-limit)
if summary_limit=$(($2 + 0)) 2>/dev/null && test "$summary_limit" = "$2"
then
:
else
usage
fi
shift
;;
--)
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" -o "$1" = "HEAD"
then
# before the first commit: compare with an empty tree
head=$(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 -- "--cached cannot be used with --files")"
diff_cmd=diff-files
head=
fi
cd_to_toplevel
# Get modified modules cared by user
modules=$(git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- "$@" |
sane_egrep '^:([0-7]* )?160000' |
while read mod_src mod_dst sha1_src sha1_dst status name
do
# Always show modules deleted or type-changed (blob<->module)
test $status = D -o $status = T && echo "$name" && continue
# Also show added or modified modules which are checked out
GIT_DIR="$name/.git" git-rev-parse --git-dir >/dev/null 2>&1 &&
echo "$name"
done
)
test -z "$modules" && return
git $diff_cmd $cached --ignore-submodules=dirty --raw $head -- $modules |
sane_egrep '^:([0-7]* )?160000' |
cut -c2- |
while read mod_src mod_dst sha1_src sha1_dst status name
do
if test -z "$cached" &&
test $sha1_dst = 0000000000000000000000000000000000000000
then
case "$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 $sha1_dst^0 >/dev/null &&
missing_dst=t
total_commits=
case "$missing_src,$missing_dst" in
t,)
errmsg="$(eval_gettext " Warn: \$name doesn't contain commit \$sha1_src")"
;;
,t)
errmsg="$(eval_gettext " Warn: \$name doesn't contain commit \$sha1_dst")"
;;
t,t)
errmsg="$(eval_gettext " Warn: \$name doesn't contain commits \$sha1_src and \$sha1_dst")"
;;
*)
errmsg=
total_commits=$(
if test $mod_src = 160000 -a $mod_dst = 160000
then
range="$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 $range -- | wc -l
)
total_commits=" ($(($total_commits + 0)))"
;;
esac
sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
if test $status = T
then
blob="$(gettext "blob")"
submodule="$(gettext "submodule")"
if test $mod_dst = 160000
then
echo "* $name $sha1_abbr_src($blob)->$sha1_abbr_dst($submodule)$total_commits:"
else
echo "* $name $sha1_abbr_src($submodule)->$sha1_abbr_dst($blob)$total_commits:"
fi
else
echo "* $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 -a $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 $sha1_src
fi
echo
fi
echo
done |
if test -n "$for_status"; then
if [ -n "$files" ]; then
gettextln "# Submodules changed but not updated:"
else
gettextln "# Submodule changes to be committed:"
fi
echo "#"
sed -e 's|^|# |' -e 's|^# $|#|'
else
cat
fi
}
#
# 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".
orig_flags=
while test $# -ne 0
do
case "$1" in
-q|--quiet)
GIT_QUIET=1
;;
--cached)
cached=1
;;
--recursive)
recursive=1
;;
--)
shift
break
;;
-*)
usage
;;
*)
break
;;
esac
orig_flags="$orig_flags $(git rev-parse --sq-quote "$1")"
shift
done
module_list "$@" |
while read mode sha1 stage sm_path
do
die_if_unmatched "$mode"
name=$(module_name "$sm_path") || exit
url=$(git config submodule."$name".url)
displaypath="$prefix$sm_path"
if test "$stage" = U
then
say "U$sha1 $displaypath"
continue
fi
if test -z "$url" || ! test -d "$sm_path"/.git -o -f "$sm_path"/.git
then
say "-$sha1 $displaypath"
continue;
fi
set_name_rev "$sm_path" "$sha1"
if git diff-files --ignore-submodules=dirty --quiet -- "$sm_path"
then
say " $sha1 $displaypath$revname"
else
if test -z "$cached"
then
sha1=$(clear_local_git_env; cd "$sm_path" && git rev-parse --verify HEAD)
set_name_rev "$sm_path" "$sha1"
fi
say "+$sha1 $displaypath$revname"
fi
if test -n "$recursive"
then
(
prefix="$displaypath/"
clear_local_git_env
cd "$sm_path" &&
eval cmd_status "$orig_args"
) ||
die "$(eval_gettext "Failed to recurse into submodule path '\$sm_path'")"
fi
done
}
#
# Sync remote urls for submodules
# This makes the value for remote.$remote.url match the value
# specified in .gitmodules.
#
cmd_sync()
{
while test $# -ne 0
do
case "$1" in
-q|--quiet)
GIT_QUIET=1
shift
;;
--)
shift
break
;;
-*)
usage
;;
*)
break
;;
esac
done
cd_to_toplevel
module_list "$@" |
while read mode sha1 stage sm_path
do
die_if_unmatched "$mode"
name=$(module_name "$sm_path")
url=$(git config -f .gitmodules --get submodule."$name".url)
# Possibly a url relative to parent
case "$url" in
./*|../*)
url=$(resolve_relative_url "$url") || exit
;;
esac
if git config "submodule.$name.url" >/dev/null 2>/dev/null
then
say "$(eval_gettext "Synchronizing submodule url for '\$name'")"
git config submodule."$name".url "$url"
if test -e "$sm_path"/.git
then
(
clear_local_git_env
cd "$sm_path"
remote=$(get_default_remote)
git config remote."$remote".url "$url"
)
fi
fi
done
}
# 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 | update | status | summary | sync)
command=$1
;;
-q|--quiet)
GIT_QUIET=1
;;
-b|--branch)
case "$2" in
'')
usage
;;
esac
branch="$2"; shift
;;
--cached)
cached="$1"
;;
--)
break
;;
-*)
usage
;;
*)
break
;;
esac
shift
done
# No command word defaults to "status"
test -n "$command" || command=status
# "-b branch" is accepted only by "add"
if test -n "$branch" && test "$command" != add
then
usage
fi
# "--cached" is accepted only by "status" and "summary"
if test -n "$cached" && test "$command" != status -a "$command" != summary
then
usage
fi
"cmd_$command" "$@"
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