grep: teach --debug option to dump the parse tree
[gitweb.git] / git-submodule.sh
index 8e9e5eaaf8730cb15ba69e7606976ba2eb4e9cf6..3d94a14079ccf745b3cf3d5d5a4e471f9b5542bc 100755 (executable)
@@ -122,49 +122,57 @@ module_clone()
        path=$1
        url=$2
        reference="$3"
+       quiet=
+       if test -n "$GIT_QUIET"
+       then
+               quiet=-q
+       fi
+
        gitdir=
        gitdir_base=
-       name=$(module_name "$path")
-       base_path=$(dirname "$path")
+       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/$base_path"
-       gitdir="$gitdir/modules/$path"
-
-       case $gitdir in
-       /*)
-               a="$(cd_to_toplevel && pwd)/"
-               b=$gitdir
-               while [ "$b" ] && [ "${a%%/*}" = "${b%%/*}" ]
-               do
-                       a=${a#*/} b=${b#*/};
-               done
-
-               rel="$a$name"
-               rel=`echo $rel | sed -e 's|[^/]*|..|g'`
-               rel_gitdir="$rel/$b"
-               ;;
-       *)
-               rel=`echo $name | sed -e 's|[^/]*|..|g'`
-               rel_gitdir="$rel/$gitdir"
-               ;;
-       esac
+       gitdir_base="$gitdir/modules/$base_name"
+       gitdir="$gitdir/modules/$name"
 
        if test -d "$gitdir"
        then
                mkdir -p "$path"
-               echo "gitdir: $rel_gitdir" >"$path/.git"
                rm -f "$gitdir/index"
        else
                mkdir -p "$gitdir_base"
-               if test -n "$reference"
-               then
-                       git-clone "$reference" -n "$url" "$path" --separate-git-dir "$gitdir"
-               else
-                       git-clone -n "$url" "$path" --separate-git-dir "$gitdir"
-               fi ||
+               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%/}
+
+       # Turn each leading "*/" component into "../"
+       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")
 }
 
 #
@@ -258,12 +266,9 @@ cmd_add()
 
        if test -z "$force" && ! git add --dry-run --ignore-missing "$path" > /dev/null 2>&1
        then
-               (
-                       eval_gettext "The following path is ignored by one of your .gitignore files:
+               eval_gettextln "The following path is ignored by one of your .gitignore files:
 \$path
-Use -f if you really want to add it." &&
-                       echo
-               ) >&2
+Use -f if you really want to add it." >&2
                exit 1
        fi
 
@@ -272,7 +277,7 @@ Use -f if you really want to add it." &&
        then
                if test -d "$path"/.git -o -f "$path"/.git
                then
-                       eval_gettext "Adding existing repo at '\$path' to the index"; echo
+                       eval_gettextln "Adding existing repo at '\$path' to the index"
                else
                        die "$(eval_gettext "'\$path' already exists and is not a valid git repo")"
                fi
@@ -459,6 +464,9 @@ cmd_update()
                --recursive)
                        recursive=1
                        ;;
+               --checkout)
+                       update="checkout"
+                       ;;
                --)
                        shift
                        break
@@ -491,7 +499,19 @@ cmd_update()
                fi
                name=$(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
@@ -513,11 +533,6 @@ 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=$force
@@ -731,10 +746,7 @@ cmd_summary() {
                                ;; # removed
                        *)
                                # unexpected type
-                               (
-                                       eval_gettext "unexpected mode \$mod_dst" &&
-                                       echo
-                               ) >&2
+                               eval_gettextln "unexpected mode \$mod_dst" >&2
                                continue ;;
                        esac
                fi
@@ -821,9 +833,9 @@ cmd_summary() {
        done |
        if test -n "$for_status"; then
                if [ -n "$files" ]; then
-                       gettext "# Submodules changed but not updated:"; echo
+                       gettextln "# Submodules changed but not updated:"
                else
-                       gettext "# Submodule changes to be committed:"; echo
+                       gettextln "# Submodule changes to be committed:"
                fi
                echo "#"
                sed -e 's|^|# |' -e 's|^# $|#|'