mingw: Prepare the TMP environment variable for shell scripts

When shell scripts access a $TMP variable containing backslashes, they will be mistaken for escape characters. Let's not let that happen by converting them to forward slashes. This fixes t7800 with MSys2. Signed-off-by: Johannes Schindelin <[email protected]>
git-for-windows · Feb 22, 2015 · 60048d2 · 60048d2
1 parent 562eeac
commit 60048d2
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/compat/mingw.c b/compat/mingw.c
@@ -2233,6 +2233,18 @@ void mingw_startup()
 			environ[i] = xstrdup(to_free + 6);
 			free(to_free);
 		}
+		if (starts_with(environ[i], "TMP=")) {
+			/*
+			 * Convert all dir separators to forward slashes,
+			 * to help shell commands called from the Git
+			 * executable (by not mistaking the dir separators
+			 * for escape characters.
+			 */
+			char *p;
+			for (p = environ[i]; *p; p++)
+				if (*p == '\\')
+					*p = '/';
+		}
 	}
 	environ[i] = NULL;
 	free(buffer);