3 files changed, 43 insertions, 1 deletions
diff --git a/data/ncurses/_metadata/preinst.c b/data/ncurses/_metadata/preinst.c
new file mode 100644
index 000000000..2c33ad71d
--- /dev/null
+++ b/data/ncurses/_metadata/preinst.c
@@ -0,0 +1,16 @@
+#include <string.h>
+#include <unistd.h>
+
+int main(int argc, char *argv[]) {
+    if (argc < 2 || (
+        strcmp(argv[1], "install") != 0 && (
+            strcmp(argv[1], "upgrade") != 0 ||
+            strncmp(argv[2], "5.6-", 4) != 0
+    ))) return 0;
+
+    unlink("/usr/lib/_ncurses");
+    if (symlink("/usr/lib/", "/usr/lib/_ncurses") != 0)
+        return 1;
+
+    return 0;
+}
diff --git a/data/ncurses/_metadata/prerm.c b/data/ncurses/_metadata/prerm.c
new file mode 100644
index 000000000..1bcb72a4c
--- /dev/null
+++ b/data/ncurses/_metadata/prerm.c
@@ -0,0 +1,26 @@
+#include <string.h>
+#include <unistd.h>
+
+int main(int argc, char *argv[]) {
+    if (argc < 2 || (
+        strcmp(argv[1], "remove") != 0
+    )) return 0;
+
+    if (unlink("/usr/lib/_ncurses") == -1)
+        return 1;
+
+    if (mkdir("/usr/lib/_ncurses", 0755) == -1) {
+        symlink("/usr/lib/", "/usr/lib/_ncurses");
+        return 2;
+    }
+
+    rename("/usr/lib/libcurses.dylib", "/usr/lib/_ncurses/libcurses.dylib");
+    rename("/usr/lib/libncurses.dylib", "/usr/lib/_ncurses/libncurses.dylib");
+
+    if (access("/usr/lib/libcurses.dylib", F_OK) != 0)
+        symlink("libncurses.5.4.dylib", "/usr/lib/libcurses.dylib");
+    if (access("/usr/lib/libncurses.dylib", F_OK) != 0)
+        symlink("libncurses.5.4.dylib", "/usr/lib/libncurses.dylib");
+
+    return 0;
+}
diff --git a/data/ncurses/_metadata/version b/data/ncurses/_metadata/version
index 2df33d769..760606e1f 100644
--- a/data/ncurses/_metadata/version
+++ b/data/ncurses/_metadata/version
@@ -1 +1 @@
-5.6
+5.7