[patch] Patch implementing previously-discussed logic, revised

subversion_eclass_wc_relocation_support-r2.diff (text/plain), 3.66 KB, created by Charles Duffy on 2008-01-15 18:01:13 UTC

--- subversion.eclass.orig	2008-01-15 12:51:46.000000000 -0600
+++ subversion.eclass	2008-01-15 12:53:20.000000000 -0600
@@ -175,8 +175,34 @@
 		subversion_wc_info "${repo_uri}" || die "${ESVN}: unknown problem occurred while accessing working copy."
 	else
 		subversion_wc_info "${repo_uri}" || die "${ESVN}: unknown problem occurred while accessing working copy."
+		ESVN_WC_UUID="$(subversion__svn_info "${ESVN_WC_URL}" "Repository UUID")"
+		ESVN_REPO_UUID="$(subversion__svn_info "${repo_uri}" "Repository UUID")"
+		if [ "${ESVN_WC_REPOSITORY_UUID}" != "$(subversion__svn_info "${repo_uri}" "Repository UUID")" ] ; then
+			einfo "ESVN_REPO_URI (or specified URI) and working copy's URL refer to different repositories; deleting the existing working copy and starting over"
+			rm -rf "${wc_path}" || die "${ESVN}: unable to clear bad working copy"
+			subversion_fetch "$@"; return "$?"
+		fi
+		if [ "${ESVN_WC_REPOSITORY_ROOT}" != "$(subversion__svn_info "${repo_uri}" "Repository Root")" ] ; then
+			einfo "Repository root has moved; relocating..."
+			env LC_ALL=C svn switch --relocate \
+					"${ESVN_WC_REPOSITORY_ROOT}" \
+					"$(subversion__svn_info "${repo_uri}" "Repository Root")" \
+					"${wc_path}" \
+				|| die "unable to relocate working copy ${wc_path} from repository ${ESVN_WC_REPOSITORY_ROOT} to $(subversion__svn_info "${repo_uri}" "Repository Root")"
+			subversion_wc_info "${repo_uri}" || die "error while refreshing our view of working copy state"
+		fi
+		if [ "${ESVN_WC_URL}" != "$(subversion__get_repository_uri "${repo_uri}" 1)" ] ; then
+			einfo "URI has moved within the repository; switching..."
+			env LC_ALL=C svn switch \
+					"$(subversion__get_repository_uri "${repo_uri}" 1)" \
+					"${wc_path}" \
+				|| die "unable to relocate working copy ${wc_path} from ${ESVN_WC_URL} to $(subversion__get_repository_uri "${repo_uri}" 1)"
+			subversion_wc_info "${repo_uri}" || die "error while refreshing our view of working copy state"
+		fi
 		if [ "${ESVN_WC_URL}" != "$(subversion__get_repository_uri "${repo_uri}" 1)" ]; then
-			die "${ESVN}: ESVN_REPO_URI (or specified URI) and working copy's URL are not matched."
+			einfo "Attempts to update the current working copy have failed; deleting ${wc_path} and starting over..."
+			rm -rf "${wc_path}" || die "${ESVN}: unable to clear bad working copy"
+			subversion_fetch "$@"; return "$?"
 		fi
 
 		# update working copy
@@ -272,8 +298,8 @@
 	fi
 
 	local k
-	for k in url revision; do
-		export ESVN_WC_$(subversion__to_upper_case "${k}")="$(subversion__svn_info "${wc_path}" "${k}")"
+	for k in url revision "Repository Root" "Repository UUID"; do
+		export ESVN_WC_$(subversion__to_varname "${k}")="$(subversion__svn_info "${wc_path}" "${k}")"
 	done
 }
 
@@ -289,7 +315,7 @@
 	local target="${1}"
 	local key="${2}"
 
-	env LC_ALL=C svn info "${target}" | grep -i "^${key}" | cut -d" " -f2-
+	env LC_ALL=C svn info "${target}" | grep -i "^${key}" | sed -r -e "s@[^:]+: +@@"
 }
 
 
@@ -315,6 +341,10 @@
 		repo_uri="${repo_uri%/}"
 	fi
 
+	# delete any duplicate slashes past the first instance
+	local repo_uri_tmp="${repo_uri//\/\///}"
+	repo_uri="${repo_uri_tmp/\////}"
+
 	if [[ -n "${remove_peg_revision}" ]]; then
 		if subversion__has_peg_revision "${repo_uri}"; then
 			repo_uri="${repo_uri%@*}"
@@ -384,5 +414,14 @@
 # @param $@ - the strings to upper case.
 #
 function subversion__to_upper_case() {
-	echo "${@}" | tr "[a-z]" "[A-Z]"
+	echo "${@}" | tr "[:lower:]" "[:upper:]"
+}
+
+
+## -- subversion__to_varname() -------------------------------------------- #
+#
+# @param $@ - the strings to convert to suitable form for variable names
+#
+function subversion__to_varname() {
+	echo "${@}" | tr "[[:lower:] ]" "[[:upper:]_]"
 }