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-rwxr-xr-xgit-submodule.sh218
1 files changed, 49 insertions, 169 deletions
diff --git a/git-submodule.sh b/git-submodule.sh
index b55d83ac46..9bc5c5f94d 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -22,6 +22,15 @@ require_work_tree
wt_prefix=$(git rev-parse --show-prefix)
cd_to_toplevel
+# Restrict ourselves to a vanilla subset of protocols; the URLs
+# we get are under control of a remote repository, and we do not
+# want them kicking off arbitrary git-remote-* programs.
+#
+# If the user has already specified a set of allowed protocols,
+# we assume they know what they're doing and use that instead.
+: ${GIT_ALLOW_PROTOCOL=file:git:http:https:ssh}
+export GIT_ALLOW_PROTOCOL
+
command=
branch=
force=
@@ -145,48 +154,6 @@ relative_path ()
echo "$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 "$1" = "#unmatched"
@@ -220,101 +187,6 @@ get_submodule_config () {
printf '%s' "${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'")"
- echo "$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)/
- # 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")
-}
-
isnumber()
{
n=$(($1 + 0)) 2>/dev/null && test "$n" = "$1"
@@ -392,11 +264,11 @@ cmd_add()
sm_path=$2
if test -z "$sm_path"; then
- sm_path=$(echo "$repo" |
+ sm_path=$(printf '%s\n' "$repo" |
sed -e 's|/$||' -e 's|:*/*\.git$||' -e 's|.*[/:]||g')
fi
- if test -z "$repo" -o -z "$sm_path"; then
+ if test -z "$repo" || test -z "$sm_path"; then
usage
fi
@@ -426,7 +298,7 @@ cmd_add()
sed -e '
s|//*|/|g
s|^\(\./\)*||
- s|/\./|/|g
+ s|/\(\./\)*|/|g
:start
s|\([^/]*\)/\.\./||
tstart
@@ -453,7 +325,7 @@ Use -f if you really want to add it." >&2
# 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 "$sm_path"/.git
+ if test -d "$sm_path"/.git || test -f "$sm_path"/.git
then
eval_gettextln "Adding existing repo at '\$sm_path' to the index"
else
@@ -475,7 +347,7 @@ Use -f if you really want to add it." >&2
echo "$(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" &&
@@ -535,7 +407,7 @@ cmd_foreach()
# 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"
@@ -543,7 +415,7 @@ cmd_foreach()
then
displaypath=$(relative_path "$sm_path")
say "$(eval_gettext "Entering '\$prefix\$displaypath'")"
- name=$(module_name "$sm_path")
+ name=$(git submodule--helper name "$sm_path")
(
prefix="$prefix$sm_path/"
clear_local_git_env
@@ -595,11 +467,11 @@ cmd_init()
shift
done
- module_list "$@" |
+ 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 "$sm_path") || exit
displaypath=$(relative_path "$sm_path")
@@ -677,11 +549,11 @@ cmd_deinit()
die "$(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")
@@ -793,7 +665,7 @@ cmd_update()
fi
cloned_modules=
- module_list "$@" | {
+ git submodule--helper list --prefix "$wt_prefix" "$@" | {
err=
while read mode sha1 stage sm_path
do
@@ -803,7 +675,7 @@ cmd_update()
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 "$update"
@@ -835,9 +707,9 @@ Maybe you want to use 'update --init'?")"
continue
fi
- if ! test -d "$sm_path"/.git -o -f "$sm_path"/.git
+ if ! test -d "$sm_path"/.git && ! test -f "$sm_path"/.git
then
- module_clone "$sm_path" "$name" "$url" "$reference" "$depth" || exit
+ git submodule--helper clone ${GIT_QUIET:+--quiet} --prefix "$prefix" --path "$sm_path" --name "$name" --url "$url" "$reference" "$depth" || exit
cloned_modules="$cloned_modules;$name"
subsha1=
else
@@ -860,11 +732,11 @@ Maybe you want to use 'update --init'?")"
die "$(eval_gettext "Unable to find current ${remote_name}/${branch} revision in submodule path '\$sm_path'")"
fi
- if test "$subsha1" != "$sha1" -o -n "$force"
+ if test "$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" -a -z "$force"
+ if test -z "$subsha1" && test -z "$force"
then
subforce="-f"
fi
@@ -907,7 +779,7 @@ Maybe you want to use 'update --init'?")"
;;
!*)
command="${update_module#!}"
- die_msg="$(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$prefix\$sm_path'")"
+ die_msg="$(eval_gettext "Execution of '\$command \$sha1' failed in submodule path '\$prefix\$sm_path'")"
say_msg="$(eval_gettext "Submodule path '\$prefix\$sm_path': '\$command \$sha1'")"
must_die_on_failure=yes
;;
@@ -1034,7 +906,7 @@ cmd_summary() {
then
head=$rev
test $# = 0 || shift
- elif test -z "$1" -o "$1" = "HEAD"
+ 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)
@@ -1059,17 +931,21 @@ cmd_summary() {
while read mod_src mod_dst sha1_src sha1_dst status sm_path
do
# Always show modules deleted or type-changed (blob<->module)
- test $status = D -o $status = T && echo "$sm_path" && continue
+ 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=$(module_name "$sm_path")
+ name=$(git submodule--helper name "$sm_path")
ignore_config=$(get_submodule_config "$name" ignore none)
- test $status != A -a $ignore_config = all && continue
+ 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 &&
- echo "$sm_path"
+ printf '%s\n' "$sm_path"
done
)
@@ -1125,7 +1001,7 @@ cmd_summary() {
*)
errmsg=
total_commits=$(
- if test $mod_src = 160000 -a $mod_dst = 160000
+ if test $mod_src = 160000 && test $mod_dst = 160000
then
range="$sha1_src...$sha1_dst"
elif test $mod_src = 160000
@@ -1162,7 +1038,7 @@ cmd_summary() {
# i.e. deleted or changed to blob
test $mod_dst = 160000 && echo "$errmsg"
else
- if test $mod_src = 160000 -a $mod_dst = 160000
+ if test $mod_src = 160000 && test $mod_dst = 160000
then
limit=
test $summary_limit -gt 0 && limit="-$summary_limit"
@@ -1221,11 +1097,11 @@ cmd_status()
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
@@ -1233,7 +1109,11 @@ cmd_status()
say "U$sha1 $displaypath"
continue
fi
- if test -z "$url" || ! test -d "$sm_path"/.git -o -f "$sm_path"/.git
+ if test -z "$url" ||
+ {
+ ! test -d "$sm_path"/.git &&
+ ! test -f "$sm_path"/.git
+ }
then
say "-$sha1 $displaypath"
continue;
@@ -1294,11 +1174,11 @@ cmd_sync()
esac
done
cd_to_toplevel
- module_list "$@" |
+ 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."$name".url)
# Possibly a url relative to parent
@@ -1306,7 +1186,7 @@ cmd_sync()
./*|../*)
# rewrite foo/bar as ../.. to find path from
# submodule work tree to superproject work tree
- up_path="$(echo "$sm_path" | sed "s/[^/][^/]*/../g")" &&
+ up_path="$(printf '%s\n' "$sm_path" | sed "s/[^/][^/]*/../g")" &&
# guarantee a trailing /
up_path=${up_path%/}/ &&
# path from submodule work tree to submodule origin repo
@@ -1402,7 +1282,7 @@ then
fi
# "--cached" is accepted only by "status" and "summary"
-if test -n "$cached" && test "$command" != status -a "$command" != summary
+if test -n "$cached" && test "$command" != status && test "$command" != summary
then
usage
fi