From ad82a933bd364925f76e558a257ab9988f85ee27 Mon Sep 17 00:00:00 2001
From: jkva <mail@3ode.nl>
Date: Sun, 27 Aug 2017 23:52:30 +0200
Subject: [PATCH 1/2] FreePascal raffler

---
 jkva-freepascal/Dockerfile  | 20 +++++++++++++
 jkva-freepascal/raffler.pas | 57 +++++++++++++++++++++++++++++++++++++
 2 files changed, 77 insertions(+)
 create mode 100644 jkva-freepascal/Dockerfile
 create mode 100644 jkva-freepascal/raffler.pas

diff --git a/jkva-freepascal/Dockerfile b/jkva-freepascal/Dockerfile
new file mode 100644
index 0000000..bbd0486
--- /dev/null
+++ b/jkva-freepascal/Dockerfile
@@ -0,0 +1,20 @@
+FROM debian:stable
+
+MAINTAINER job@jobva.nl
+
+ENV LANG C.UTF-8
+
+# Update deps
+RUN apt-get update
+
+RUN DEBIAN_FRONTEND=noninteractive apt-get install -y fp-compiler-3.0.0
+
+# Create working dir
+RUN mkdir -p /var/app
+COPY . /var/app
+WORKDIR /var/app
+
+# Run raffler
+ADD raffler.pas /var/app/
+CMD ["fpc", "/var/app/raffler.pas"]
+CMD ["./raffler", "/var/names.txt"]
diff --git a/jkva-freepascal/raffler.pas b/jkva-freepascal/raffler.pas
new file mode 100644
index 0000000..7b61049
--- /dev/null
+++ b/jkva-freepascal/raffler.pas
@@ -0,0 +1,57 @@
+program Raffler;
+
+{$IFDEF FPC}
+  {$MODE OBJFPC}
+  {$I+}
+{$ENDIF}
+
+uses
+    SysUtils;
+
+var
+    names : TextFile;
+    winner: String;
+    count : Integer = 0;
+    i     : Integer = 0;
+    rnd   : Integer = 0;
+
+begin
+    if (ParamCount = 0) then begin
+        writeln('ERROR: No filename supplied.');
+        halt;
+    end;
+    
+    Assign(names, ParamStr(1));
+
+    try
+        reset(names);
+        while not eof(names) do begin
+            readln(names, winner);
+            inc(count);
+        end;
+    except
+        on E: EInOutError do begin
+            writeln('ERROR: handling input: ', E.Message);
+            halt;
+        end;
+    end;
+
+    if (count = 0) then begin
+        writeln('ERROR: No names in file.');
+        halt;
+    end;
+
+    Randomize;
+    rnd := Random(count);
+
+    reset(names);
+
+    while i <= rnd do begin
+        readln(names, winner);
+        inc(i);
+    end;
+ 
+    CloseFile(names);
+
+    writeln('We have a winner: ', winner);
+end.

From 54c21be946273d29fd5a9a0147316ba582a25657 Mon Sep 17 00:00:00 2001
From: jkva <mail@3ode.nl>
Date: Mon, 28 Aug 2017 00:44:31 +0200
Subject: [PATCH 2/2] Something weird between RUN and CMD caused raffler to
 fail. Fixed.

---
 jkva-freepascal/Dockerfile | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/jkva-freepascal/Dockerfile b/jkva-freepascal/Dockerfile
index bbd0486..61db66f 100644
--- a/jkva-freepascal/Dockerfile
+++ b/jkva-freepascal/Dockerfile
@@ -15,6 +15,5 @@ COPY . /var/app
 WORKDIR /var/app
 
 # Run raffler
-ADD raffler.pas /var/app/
-CMD ["fpc", "/var/app/raffler.pas"]
-CMD ["./raffler", "/var/names.txt"]
+RUN fpc /var/app/raffler.pas
+CMD ["/var/app/raffler", "/var/names.txt"]