completion: bash: check for alias loop

[thirdparty/git.git] / userdiff.c

diff --git a/userdiff.c b/userdiff.c
index 9c63be9fb89b7a45587b2c0fd4ecddf0ca5c546d..3f81a2261c5e97e5cf50c1dc45ed196da8759f69 100644 (file)
--- a/userdiff.c
+++ b/userdiff.c
@@ -23,6 +23,27 @@ IPATTERN("ada",
         "[a-zA-Z][a-zA-Z0-9_]*"
         "|[-+]?[0-9][0-9#_.aAbBcCdDeEfF]*([eE][+-]?[0-9_]+)?"
         "|=>|\\.\\.|\\*\\*|:=|/=|>=|<=|<<|>>|<>"),
+PATTERNS("bash",
+        /* Optional leading indentation */
+        "^[ \t]*"
+        /* Start of captured text */
+        "("
+        "("
+            /* POSIX identifier with mandatory parentheses */
+            "[a-zA-Z_][a-zA-Z0-9_]*[ \t]*\\([ \t]*\\))"
+        "|"
+            /* Bashism identifier with optional parentheses */
+            "(function[ \t]+[a-zA-Z_][a-zA-Z0-9_]*(([ \t]*\\([ \t]*\\))|([ \t]+))"
+        ")"
+        /* Optional whitespace */
+        "[ \t]*"
+        /* Compound command starting with `{`, `(`, `((` or `[[` */
+        "(\\{|\\(\\(?|\\[\\[)"
+        /* End of captured text */
+        ")",
+        /* -- */
+        /* Characters not in the default $IFS value */
+        "[^ \t]+"),
 PATTERNS("dts",
         "!;\n"
         "!=\n"