diff options
Diffstat (limited to 'git-submodule.sh')
| -rwxr-xr-x | git-submodule.sh | 69 |
1 files changed, 60 insertions, 9 deletions
diff --git a/git-submodule.sh b/git-submodule.sh index 152ad9214b..ab6b1107b6 100755 --- a/git-submodule.sh +++ b/git-submodule.sh @@ -30,7 +30,22 @@ nofetch= update= prefix= -# Resolve relative url by appending to parent's url +# The function takes at most 2 arguments. The first argument is the +# URL that navigates to the submodule origin repo. When relative, this URL +# is relative to the superproject origin URL repo. The second up_path +# argument, if specified, is the relative path that navigates +# from the submodule working tree to the superproject working tree. +# +# The output of the function is the origin URL of the submodule. +# +# The output will either be an absolute URL or filesystem path (if the +# superproject origin URL is an absolute URL or filesystem path, +# respectively) or a relative file system path (if the superproject +# origin URL is a relative file system path). +# +# When the output is a relative file system path, the path is either +# relative to the submodule working tree, if up_path is specified, or to +# the superproject working tree otherwise. resolve_relative_url () { remote=$(get_default_remote) @@ -39,6 +54,21 @@ resolve_relative_url () url="$1" remoteurl=${remoteurl%/} sep=/ + up_path="$2" + + case "$remoteurl" in + *:*|/*) + is_relative= + ;; + ./*|../*) + is_relative=t + ;; + *) + is_relative=t + remoteurl="./$remoteurl" + ;; + esac + while test -n "$url" do case "$url" in @@ -53,7 +83,12 @@ resolve_relative_url () sep=: ;; *) - die "$(eval_gettext "cannot strip one component off url '\$remoteurl'")" + if test -z "$is_relative" || test "." = "$remoteurl" + then + die "$(eval_gettext "cannot strip one component off url '\$remoteurl'")" + else + remoteurl=. + fi ;; esac ;; @@ -64,7 +99,8 @@ resolve_relative_url () break;; esac done - echo "$remoteurl$sep${url%/}" + remoteurl="$remoteurl$sep${url%/}" + echo "${is_relative:+${up_path}}${remoteurl#./}" } # @@ -167,8 +203,11 @@ module_clone() rm -f "$gitdir/index" else mkdir -p "$gitdir_base" - git clone $quiet -n ${reference:+"$reference"} \ - --separate-git-dir "$gitdir" "$url" "$sm_path" || + ( + clear_local_git_env + 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 @@ -737,7 +776,7 @@ cmd_summary() { if [ -n "$files" ] then test -n "$cached" && - die "$(gettext -- "--cached cannot be used with --files")" + die "$(gettext "The --cached option cannot be used with the --files option")" diff_cmd=diff-files head= fi @@ -994,14 +1033,26 @@ cmd_sync() # Possibly a url relative to parent case "$url" in ./*|../*) - url=$(resolve_relative_url "$url") || exit + # rewrite foo/bar as ../.. to find path from + # submodule work tree to superproject work tree + up_path="$(echo "$sm_path" | sed "s/[^/][^/]*/../g")" && + # guarantee a trailing / + up_path=${up_path%/}/ && + # path from submodule work tree to submodule origin repo + sub_origin_url=$(resolve_relative_url "$url" "$up_path") && + # path from superproject work tree to submodule origin repo + super_config_url=$(resolve_relative_url "$url") || exit + ;; + *) + sub_origin_url="$url" + super_config_url="$url" ;; esac if git config "submodule.$name.url" >/dev/null 2>/dev/null then say "$(eval_gettext "Synchronizing submodule url for '\$name'")" - git config submodule."$name".url "$url" + git config submodule."$name".url "$super_config_url" if test -e "$sm_path"/.git then @@ -1009,7 +1060,7 @@ cmd_sync() clear_local_git_env cd "$sm_path" remote=$(get_default_remote) - git config remote."$remote".url "$url" + git config remote."$remote".url "$sub_origin_url" ) fi fi |