Hi,
Here's my experience on upgrade to 5.5:
1. I had a preinst in sources.list that used 'envsubst' to replace strings like
"${some_variable}" from the environment
2. After upgrade, source.list are copied with fcopy -S, which will replace strings like
"{%some_variable%}" from the environment and ignores preinst script.
3. It took considerable time looking over sources in order to understand what
happened here.
Here's my two cents:
1. I think there's fcopy document needed about the -S option and the expected
syntax for substitutions (maybe I've missed this).
2. It seems reasonable to do other things than variable substitution in
preinst script. Couldn't FAI continue to execute preinst after -S
substitutions so that 5.5 is not a breaking change in this issue? (I've not
thought through the complications that you might have spotted here).
Chris.
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