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-rwxr-xr-xhooks/copy-host-apt-sources-and-preferences/setup00.sh9
1 files changed, 9 insertions, 0 deletions
diff --git a/hooks/copy-host-apt-sources-and-preferences/setup00.sh b/hooks/copy-host-apt-sources-and-preferences/setup00.sh
index 07caa78..9aafd78 100755
--- a/hooks/copy-host-apt-sources-and-preferences/setup00.sh
+++ b/hooks/copy-host-apt-sources-and-preferences/setup00.sh
@@ -1,4 +1,13 @@
#!/bin/sh
+#
+# This script makes sure that the apt sources.list and preferences from outside
+# the chroot also exist inside the chroot by *appending* them to any existing
+# files. If you do not want to keep the original content, add another setup
+# hook before this one which cleans up the files you don't want to keep.
+#
+# If instead of copying sources.list verbatim you want to mangle its contents,
+# consider using python-apt for that. An example can be found in the Debian
+# packaging of mmdebstrap in ./debian/tests/sourcesfilter
set -eu