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-rwxr-xr-xgit-submodule.sh75
1 files changed, 61 insertions, 14 deletions
diff --git a/git-submodule.sh b/git-submodule.sh
index 814d0d914e..efc86ad4e0 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -104,9 +104,9 @@ module_name()
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 '\$path'")"
- echo "$name"
+ test -z "$name" &&
+ die "$(eval_gettext "No submodule mapping found in .gitmodules for path '\$path'")"
+ echo "$name"
}
#
@@ -128,13 +128,50 @@ module_clone()
quiet=-q
fi
- if test -n "$reference"
+ gitdir=
+ gitdir_base=
+ name=$(module_name "$path" 2>/dev/null)
+ test -n "$name" || name="$path"
+ base_name=$(dirname "$name")
+
+ gitdir=$(git rev-parse --git-dir)
+ gitdir_base="$gitdir/modules/$base_name"
+ gitdir="$gitdir/modules/$name"
+
+ if test -d "$gitdir"
then
- git-clone $quiet "$reference" -n "$url" "$path"
+ mkdir -p "$path"
+ rm -f "$gitdir/index"
else
- git-clone $quiet -n "$url" "$path"
- fi ||
- die "$(eval_gettext "Clone of '\$url' into submodule path '\$path' failed")"
+ mkdir -p "$gitdir_base"
+ git clone $quiet -n ${reference:+"$reference"} \
+ --separate-git-dir "$gitdir" "$url" "$path" ||
+ die "$(eval_gettext "Clone of '\$url' into submodule path '\$path' failed")"
+ fi
+
+ a=$(cd "$gitdir" && pwd)/
+ b=$(cd "$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%/}
+
+ rel=$(echo $b | sed -e 's|[^/]*|..|g')
+ echo "gitdir: $rel/$a" >"$path/.git"
+
+ rel=$(echo $a | sed -e 's|[^/]*|..|g')
+ (clear_local_git_env; cd "$path" && GIT_WORK_TREE=. git config core.worktree "$rel/$b")
}
#
@@ -426,6 +463,9 @@ cmd_update()
--recursive)
recursive=1
;;
+ --checkout)
+ update="checkout"
+ ;;
--)
shift
break
@@ -458,7 +498,19 @@ cmd_update()
fi
name=$(module_name "$path") || exit
url=$(git config submodule."$name".url)
- update_module=$(git config submodule."$name".update)
+ if ! test -z "$update"
+ then
+ update_module=$update
+ else
+ update_module=$(git config submodule."$name".update)
+ fi
+
+ if test "$update_module" = "none"
+ then
+ echo "Skipping submodule '$path'"
+ continue
+ fi
+
if test -z "$url"
then
# Only mention uninitialized submodules when its
@@ -480,11 +532,6 @@ Maybe you want to use 'update --init'?")"
die "$(eval_gettext "Unable to find current revision in submodule path '\$path'")"
fi
- if ! test -z "$update"
- then
- update_module=$update
- fi
-
if test "$subsha1" != "$sha1"
then
subforce=$force