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modularize setup scripts, make hibernation safe with ZFS, apply noexec FS option everywhere

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Niklas Gollenstede
2022-07-29 12:49:55 +02:00
parent 8b0e200c73
commit 7ab9215b0a
28 changed files with 521 additions and 266 deletions
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5
lib/setup-scripts/utils.sh
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@ -33,6 +33,11 @@ function prepend_trap { # 1: command, ...: trapNames
}
declare -f -t prepend_trap # required to modify DEBUG or RETURN traps
## Given the name to an existing bash function, this creates a copy of that function with a new name (in the current scope).
function copy-function { # 1: existingName, 2: newName
local original=$(declare -f "${1?existingName not provided}") ; if [[ ! $original ]] ; then echo "Function $1 is not defined" ; return 1 ; fi
eval "${original/$1/${2?newName not provided}}" # run the code declaring the function again, replacing only the first occurrence of the name
}
## Writes a »$name«d secret from stdin to »$targetDir«, ensuring proper file permissions.
function write-secret {( set -eu # 1: path, 2?: owner[:[group]], 3?: mode