Size reduction: apt-get install always use 'Recommends 0' & 'Suggests 0', drop cache; dpkg: Remove doc, man, ..

6 files changed, 60 insertions, 8 deletions

diff --git a/build.sh b/build.sh
index 35773b5..8f12843 100755
--- a/build.sh
+++ b/build.sh
@@ -21,7 +21,9 @@ EOF
 			PACKAGES="$(sed -f "${SCRIPT_DIR}/remove-comments.sed" < "${i}-packages-nr")"
 			if [ -n "$PACKAGES" ]; then
 				on_chroot << EOF
-apt-get -o APT::Acquire::Retries=3 install --no-install-recommends -y $PACKAGES
+echo "Installing PACKAGES-nr '${PACKAGES}'"
+echo apt-get -o APT::Acquire::Retries=3 --no-install-recommends -y $PACKAGES
+apt-get -o APT::Acquire::Retries=3 --no-install-recommends -y $PACKAGES
 EOF
 				if [ "${USE_QCOW2}" = "1" ]; then
 					on_chroot << EOF
@@ -36,7 +38,9 @@ EOF
 			PACKAGES="$(sed -f "${SCRIPT_DIR}/remove-comments.sed" < "${i}-packages")"
 			if [ -n "$PACKAGES" ]; then
 				on_chroot << EOF
-apt-get -o APT::Acquire::Retries=3 install -y $PACKAGES
+echo "Installing PACKAGES '${PACKAGES}'"
+echo apt-get -o APT::Acquire::Retries=3 install --no-install-recommends -y $PACKAGES
+apt-get -o APT::Acquire::Retries=3 install --no-install-recommends -y $PACKAGES
 EOF
 				if [ "${USE_QCOW2}" = "1" ]; then
 					on_chroot << EOF
diff --git a/export-image/04-finalise/01-run.sh b/export-image/04-finalise/01-run.sh
index 865f181..18e097d 100755
--- a/export-image/04-finalise/01-run.sh
+++ b/export-image/04-finalise/01-run.sh
@@ -21,12 +21,20 @@ INFO_FILE_ROOT="${STAGE_WORK_DIR}/${IMG_FILENAME}${IMG_SUFFIX}.root.info"
 #INFO_FILE_DATA="${STAGE_WORK_DIR}/${IMG_FILENAME}${IMG_SUFFIX}.data.info"
 
 on_chroot << EOF
-if [ -x /etc/init.d/fake-hwclock ]; then
-	/etc/init.d/fake-hwclock stop
-fi
-if hash hardlink 2>/dev/null; then
-	hardlink -t /usr/share/doc
-fi
+    if [ -x /etc/init.d/fake-hwclock ]; then
+        /etc/init.d/fake-hwclock stop
+    fi
+    if hash hardlink 2>/dev/null; then
+        hardlink -t /usr/share/doc
+    fi
+
+    # Keep in sync:
+    #  stage0/00-configure-apt/files/01_nodoc 
+    #  export-image/04-finalise/01-run.sh 
+    find /usr/share/doc -depth -type f ! -name copyright|xargs rm || true
+    find /usr/share/doc -empty|xargs rmdir || true
+    rm -rf /usr/share/man /usr/share/groff /usr/share/info /usr/share/lintian /usr/share/linda /var/cache/man
+    find /usr/share/locale -mindepth 1 -maxdepth 1 ! -name 'en' ! -name 'de*' !  -name 'se*' ! -name 'fr*' |xargs rm -r
 EOF
 
 if [ -d "${ROOTFS_DIR}/home/${FIRST_USER_NAME}/.config" ]; then
diff --git a/stage0/00-configure-apt/00-run.sh b/stage0/00-configure-apt/00-run.sh
index 651d154..d57ce73 100755
--- a/stage0/00-configure-apt/00-run.sh
+++ b/stage0/00-configure-apt/00-run.sh
@@ -11,6 +11,10 @@ if [ -n "$APT_PROXY" ]; then
 else
 	rm -f "${ROOTFS_DIR}/etc/apt/apt.conf.d/51cache"
 fi
+install -m 644 files/00default-selection "${ROOTFS_DIR}/etc/apt/apt.conf.d/00default-selection"
+install -m 644 files/02nocache           "${ROOTFS_DIR}/etc/apt/apt.conf.d/02nocache"
+
+install -m 644 files/01_nodoc            "${ROOTFS_DIR}/etc/dpkg/dpkg.cfg.d/01_nodoc"
 
 on_chroot apt-key add - < files/raspberrypi.gpg.key
 on_chroot << EOF
diff --git a/stage0/00-configure-apt/files/00default-selection b/stage0/00-configure-apt/files/00default-selection
new file mode 100644
index 0000000..0aa044c
--- /dev/null
+++ b/stage0/00-configure-apt/files/00default-selection
@@ -0,0 +1,2 @@
+APT::Install-Recommends "0"; 
+APT::Install-Suggests "0";
diff --git a/stage0/00-configure-apt/files/01_nodoc b/stage0/00-configure-apt/files/01_nodoc
new file mode 100644
index 0000000..8c0833b
--- /dev/null
+++ b/stage0/00-configure-apt/files/01_nodoc
@@ -0,0 +1,25 @@
+# /etc/dpkg/dpkg.cfg.d/01_nodoc
+# https://wiki.ubuntu.com/ReducingDiskFootprint#Documentation
+
+# Keep in sync:
+#  stage0/00-configure-apt/files/01_nodoc 
+#  export-image/04-finalise/01-run.sh 
+
+path-exclude /usr/share/doc/*
+# we need to keep copyright files for legal reasons
+path-include /usr/share/doc/*/copyright
+path-exclude /usr/share/man/*
+path-exclude /usr/share/groff/*
+path-exclude /usr/share/info/*
+# lintian stuff is small, but really unnecessary
+path-exclude /usr/share/lintian/*
+path-exclude /usr/share/linda/*
+
+path-exclude /usr/share/locale/*
+path-include /usr/share/locale/en*
+path-include /usr/share/locale/de*
+#path-include /usr/share/locale/es*
+path-include /usr/share/locale/se*
+path-include /usr/share/locale/fr*
+#path-include /usr/share/locale/zh*
+
diff --git a/stage0/00-configure-apt/files/02nocache b/stage0/00-configure-apt/files/02nocache
new file mode 100644
index 0000000..401aee8
--- /dev/null
+++ b/stage0/00-configure-apt/files/02nocache
@@ -0,0 +1,9 @@
+# /etc/apt/apt.conf.d/02nocache
+# https://wiki.ubuntu.com/ReducingDiskFootprint#Documentation
+
+Dir::Cache {
+    srcpkgcache "";
+    pkgcache "";
+}
+
+