* Add a test for nix-channel.

* Refactor the nix-channel unpacker a bit.

6 files changed, 45 insertions, 57 deletions

diff --git a/corepkgs/Makefile.am b/corepkgs/Makefile.am
index 7f43a700e734..86d7027ed06e 100644
--- a/corepkgs/Makefile.am
+++ b/corepkgs/Makefile.am
@@ -1,11 +1,11 @@
-SUBDIRS = channels
-
 all-local: config.nix
 
+files = nar.nix buildenv.nix buildenv.pl unpack-channel.nix unpack-channel.sh
+
 install-exec-local:
 	$(INSTALL) -d $(DESTDIR)$(datadir)/nix/corepkgs
-	$(INSTALL_DATA) config.nix $(srcdir)/nar.nix $(srcdir)/buildenv.nix $(srcdir)/buildenv.pl $(DESTDIR)$(datadir)/nix/corepkgs
+	$(INSTALL_DATA) config.nix $(files) $(DESTDIR)$(datadir)/nix/corepkgs
 
 include ../substitute.mk
 
-EXTRA_DIST = config.nix.in nar.nix buildenv.nix buildenv.pl
+EXTRA_DIST = config.nix.in $(files)
diff --git a/corepkgs/channels/Makefile.am b/corepkgs/channels/Makefile.am
deleted file mode 100644
index d4d478f0e2c5..000000000000
--- a/corepkgs/channels/Makefile.am
+++ /dev/null
@@ -1,11 +0,0 @@
-all-local: unpack.sh
-
-install-exec-local:
-	$(INSTALL) -d $(DESTDIR)$(datadir)/nix/corepkgs
-	$(INSTALL) -d $(DESTDIR)$(datadir)/nix/corepkgs/channels
-	$(INSTALL_DATA) $(srcdir)/unpack.nix $(DESTDIR)$(datadir)/nix/corepkgs/channels
-	$(INSTALL_PROGRAM) unpack.sh $(DESTDIR)$(datadir)/nix/corepkgs/channels
-
-include ../../substitute.mk
-
-EXTRA_DIST = unpack.nix unpack.sh.in
diff --git a/corepkgs/channels/unpack.nix b/corepkgs/channels/unpack.nix
deleted file mode 100644
index 80ca4a371034..000000000000
--- a/corepkgs/channels/unpack.nix
+++ /dev/null
@@ -1,7 +0,0 @@
-{system, inputs}:
-
-derivation {
-  name = "channels";
-  builder = ./unpack.sh;
-  inherit system inputs;
-}
\ No newline at end of file
diff --git a/corepkgs/channels/unpack.sh.in b/corepkgs/channels/unpack.sh.in
deleted file mode 100644
index 6e5939f4f21b..000000000000
--- a/corepkgs/channels/unpack.sh.in
+++ /dev/null
@@ -1,35 +0,0 @@
-#! @shell@ -e
-
-# Cygwin compatibility hack: bunzip2 expects cygwin.dll in $PATH.
-export PATH=@coreutils@
-
-@coreutils@/mkdir $out
-@coreutils@/mkdir $out/tmp
-cd $out/tmp
-
-inputs=($inputs)
-for ((n = 0; n < ${#inputs[*]}; n += 2)); do
-    channelName=${inputs[n]}
-    channelTarball=${inputs[n+1]}
-    
-    echo "unpacking channel $channelName"
-    
-    @bzip2@ -d < $channelTarball | @tar@ xf -
-
-    if test -e */channel-name; then
-        channelName="$(@coreutils@/cat */channel-name)"
-    fi
-
-    nr=1
-    attrName=$(echo $channelName | @tr@ -- '- ' '__')
-    dirName=$attrName
-    while test -e ../$dirName; do
-        nr=$((nr+1))
-        dirName=$attrName-$nr
-    done
-
-    @coreutils@/mv * ../$dirName # !!! hacky
-done
-
-cd ..
-@coreutils@/rmdir tmp
diff --git a/corepkgs/unpack-channel.nix b/corepkgs/unpack-channel.nix
new file mode 100644
index 000000000000..5e6ccf23fd47
--- /dev/null
+++ b/corepkgs/unpack-channel.nix
@@ -0,0 +1,11 @@
+with import <nix/config.nix>;
+
+{ system, inputs }:
+
+derivation {
+  name = "channels";
+  builder = shell;
+  args = [ "-e" ./unpack-channel.sh ];
+  inherit system inputs bzip2 tar tr;
+  PATH = "${nixBinDir}:${coreutils}";
+}
diff --git a/corepkgs/unpack-channel.sh b/corepkgs/unpack-channel.sh
new file mode 100644
index 000000000000..7c244a6a8552
--- /dev/null
+++ b/corepkgs/unpack-channel.sh
@@ -0,0 +1,30 @@
+mkdir $out
+mkdir $out/tmp
+cd $out/tmp
+
+inputs=($inputs)
+for ((n = 0; n < ${#inputs[*]}; n += 2)); do
+    channelName=${inputs[n]}
+    channelTarball=${inputs[n+1]}
+    
+    echo "unpacking channel $channelName"
+    
+    $bzip2 -d < $channelTarball | $tar xf -
+
+    if test -e */channel-name; then
+        channelName="$(cat */channel-name)"
+    fi
+
+    nr=1
+    attrName=$(echo $channelName | $tr -- '- ' '__')
+    dirName=$attrName
+    while test -e ../$dirName; do
+        nr=$((nr+1))
+        dirName=$attrName-$nr
+    done
+
+    mv * ../$dirName # !!! hacky
+done
+
+cd ..
+rmdir tmp