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https://gitlab.alpinelinux.org/alpine/aports.git
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120a747aea
https://www.libelektra.org A universal and secure framework to access configuration parameters
57 lines
1.6 KiB
Bash
57 lines
1.6 KiB
Bash
#!/bin/sh
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#
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# This trigger creates/updates symlinks for default resolver and storage based
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# on installed packages.
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#
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ELEKTRA_LIBS='/usr/lib/elektra'
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RESOLVER_LINK="$ELEKTRA_LIBS/libelektra-resolver.so"
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STORAGE_LINK="$ELEKTRA_LIBS/libelektra-storage.so"
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PREFERRED_RESOLVER='elektra-resolver_fm_hpu_b'
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PREFERRED_STORAGE='elektra-dump'
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# Prints name of some installed elektra package that *provides* $1
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# (e.g. resolver, storage). If package $2 is installed, then it prints that.
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# Otherwise it prints name of the first found package based on alphabetical
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# order.
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find_installed_provider() {
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local provider="$1"
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local preferred="$2"
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local pkgname
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if [ -e "$ELEKTRA_LIBS/lib$preferred.so" ]; then
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echo "$preferred"
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else
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# NOTE: `apk info` doesn't work correctly here, probably
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# due to apk DB lock or something like that.
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for pkgname in $(apk search -aqx elektra-$provider | sort | uniq); do
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if [ -e "$ELEKTRA_LIBS/lib$pkgname.so" ]; then
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echo "$pkgname"
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return 0
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fi
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done
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return 1
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fi
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}
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if ! [ -e "$RESOLVER_LINK" ]; then
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if resolver=$(find_installed_provider resolver $PREFERRED_RESOLVER); then
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echo "elektra: Switching default resolver to ${resolver#elektra-}" >&2
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ln -sf "lib$resolver.so" "$RESOLVER_LINK"
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else
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echo "elektra: No resolver provider found!" >&2
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fi
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fi
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if ! [ -e "$STORAGE_LINK" ]; then
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if storage=$(find_installed_provider storage $PREFERRED_STORAGE); then
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echo "elektra: Switching default storage to ${storage#elektra-}" >&2
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ln -sf "lib$storage.so" "$STORAGE_LINK"
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else
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echo "elektra: No storage provider found!" >&2
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fi
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fi
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exit 0
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