builder: handle escapes without swallowing all of them.

Docker-DCO-1.1-Signed-off-by: Erik Hollensbe <github@hollensbe.org> (github: erikh)
2026-09-29 01:20:13 +00:00 · 2014-10-27 17:38:24 +00:00
parent 80d35c7fd0
commit be49867cab
2 changed files with 88 additions and 1 deletions
@@ -24,8 +24,9 @@ func (b *Builder) replaceEnv(str string) string {
 				continue
 			}

+			prefix := match[:idx]
 			stripped := match[idx+2:]
-			str = strings.Replace(str, match, "$"+stripped, -1)
+			str = strings.Replace(str, match, prefix+"$"+stripped, -1)
 			continue
 		}