rpmbph: rewrite branch functions

bin/rpmbph

@@ -107,18 +107,23 @@ if [ "$PKGVENDOR" = "alt" ] && is_gear $SPECDIR ; then
 		set_specdir $SPEC
 		docmd cd $SPECDIR || fatal
 
+		# set USEBRANCH
+		set_usebranch
+
 		# spec name for branch
 		BPSPEC=$SPEC.$USEBRANCH
+
+		set_currentbranch
+
 		#[ -f "$BPSPEC" ] && fatal "File $BPSPEC is already exists, check it and remove"
 		cp -f $SPEC $BPSPEC || fatal "Can't copy to $BPSPEC"
 
-		# set USEBRANCH CURBRANCH
-		# checkout to $USERBRANCH
-		checkout_bpbranch
-
 		# backport spec
 		docmd $ETERBUILDBIN/rpmbps -b $BINARYREPO $BPSPEC || fatal
 
+		# checkout to $USEBRANCH
+		checkout_bpbranch
+
 		# TODO: check result message for merge?
 		# Use heads/ against warning: refname 'branch-name' is ambiguous
 		docmd git merge --no-ff heads/$CURBRANCH
@@ -141,16 +146,6 @@ if [ "$PKGVENDOR" = "alt" ] && is_gear $SPECDIR ; then
 
 	docmd $BUILDCOMMAND -b $BINARYREPO $LISTRPMARGS $LISTNAMES
 	RET=$?
-	
-	for SPEC in $LISTNAMES ; do
-		set_specdir $SPEC
-		docmd cd $SPECDIR || fatal
-
-		# return to CURBRANCH
-		checkout_original_branch || RET=$?
-
-		cd - >/dev/null
-	done
 
 	exit $RET
 fi

share/eterbuild/functions/branch

@@ -3,10 +3,11 @@
 # Author: Vitaly Lipatov <lav@etersoft.ru>
 # Public domain
 
-# used: BINARYREPO MDISTR BPSPEC
-# set: USEBRANCH CURBRANCH
-checkout_bpbranch()
+# used: BINARYREPO MDISTR
+# set: USEBRANCH OLDBRANCH
+set_usebranch()
 {
+	#local OLDBRANCH
 	#[ -f "$LISTNAMES" ] || fatal "Run with one spec inside gear repo"
 	USEBRANCH=$BINARYREPO
 
@@ -20,22 +21,35 @@ checkout_bpbranch()
 			USEBRANCH=$OLDBRANCH
 		fi
 	fi
+}
 
-	CURBRANCH=$(cat $(get_root_git_dir)/.git/.rpmbph.current 2>/dev/null)
-	if [ -n "$CURBRANCH" ] ; then
+# used: USEBRANCH OLDBRANCH BPSPEC
+# set: CURBRANCH
+set_currentbranch()
+{
+	CURBRANCH=$(get_current_branch)
+
+	local cb
+	cb=$(cat $(get_root_git_dir)/.git/.rpmbph.current 2>/dev/null)
+	if [ -n "$cb" ] ; then
 		echog "Autorestore from broken build..."
-		docmd git checkout $CURBRANCH
+		docmd git checkout $cb || fatal
+		CURBRANCH=$cb
 		rm -fv $(get_root_git_dir)/.git/.rpmbph.current
 		#rm -fv $BPSPEC $BPSPEC.*
-		rm -fv $BPSPEC.*
+		[ -n "$BPSPEC" ] && rm -fv $BPSPEC.*
 	fi
 
-	CURBRANCH=$(get_current_branch)
-
-	# TODO: move to a separate function
 	if [ "$CURBRANCH" = "$USEBRANCH" ] || [ "$CURBRANCH" = "$OLDBRANCH" ] ; then
 		fatal "You are already in backported branch $CURBRANCH. Run rpmbph in sisyphus or master branch only."
 	fi
+}
+
+# used: USEBRANCH
+checkout_bpbranch()
+{
+	# TODO
+	[ -n "$CURBRANCH" ] || fatal "use assert in checkout_bpbranch"
 
 	echo "$CURBRANCH" > $(get_root_git_dir)/.git/.rpmbph.current
 
@@ -47,10 +61,26 @@ checkout_bpbranch()
 	fi
 }
 
+# used: USEBRNACH
+# set: CURBRANCH
+checkout_usebranch()
+{
+	CURBRANCH=$(get_current_branch)
+
+	if [ "$USEBRANCH" = "$CURBRANCH" ] ; then
+		# let's think we called from rpmbph
+		return
+	fi
+
+	checkout_bpbranch
+}
+
 checkout_original_branch()
 {
 	local CURBRANCH
-	CURBRANCH=$(cat $(get_root_git_dir)/.git/.rpmbph.current)
+	CURBRANCH=$(cat $(get_root_git_dir)/.git/.rpmbph.current 2>/dev/null)
+	[ -z "$CURBRANCH" ] && return
+
 	rm -f $(get_root_git_dir)/.git/.rpmbph.current
 	docmd git checkout $CURBRANCH
 }