dpkg: Rename processarc.c to unpack.c

This clarifies the purpose of the file related to the dpkg action to
perform.

TODO

@@ -33,7 +33,7 @@ TODO
    - Move fd function out of mlib.
    - Cleanup status chars -> strings hardcoded mappings all over the place.
      (Fix tied field enum with its dselect description (pkgdisplay.cc))
-   - Refactor src/processarc.c.
+   - Refactor src/unpack.c.
    - Split dpkg.h into independent headers.
    - Do more unused header include removal.
    - Add needed includes to all header files.

po/POTFILES.in

@@ -57,7 +57,6 @@ src/infodb-format.c
 src/infodb-upgrade.c
 src/main.c
 src/packages.c
-src/processarc.c
 src/querycmd.c
 src/remove.c
 src/script.c
@@ -66,6 +65,7 @@ src/statcmd.c
 src/statdb.c
 src/trigcmd.c
 src/trigproc.c
+src/unpack.c
 src/update.c
 
 dpkg-deb/build.c

src/Makefile.am

@@ -48,11 +48,11 @@ dpkg_SOURCES = \
 	help.c \
 	main.c main.h \
 	packages.c \
-	processarc.c \
 	remove.c \
 	script.c \
 	select.c \
 	trigproc.c \
+	unpack.c \
 	update.c
 
 dpkg_LDADD = \

src/archives.h

@@ -1,6 +1,6 @@
 /*
  * dpkg - main program for package management
- * archives.h - functions common to archives.c and processarc.c
+ * archives.h - functions common to archives.c and unpack.c
  *
  * Copyright © 1995 Ian Jackson <ian@chiark.greenend.org.uk>
  *

src/processarc.c

@@ -1,6 +1,6 @@
 /*
  * dpkg - main program for package management
- * processarc.c - the huge function process_archive
+ * unpack.c - the huge function process_archive
  *
  * Copyright © 1995 Ian Jackson <ian@chiark.greenend.org.uk>
  * Copyright © 2006-2012 Guillem Jover <guillem@debian.org>