mirror of
https://github.com/nix-community/home-manager
synced 2024-12-24 18:59:47 +01:00
112 lines
2.7 KiB
Nix
112 lines
2.7 KiB
Nix
systemctlPath:
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''
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function isStartable() {
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local service="$1"
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[[ $(${systemctlPath} --user show -p RefuseManualStart "$service") == *=no ]]
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}
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function isStoppable() {
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if [[ -v oldGenPath ]] ; then
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local service="$1"
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[[ $(${systemctlPath} --user show -p RefuseManualStop "$service") == *=no ]]
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fi
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}
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function systemdPostReload() {
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local workDir
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workDir="$(mktemp -d)"
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if [[ -v oldGenPath ]] ; then
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local oldUserServicePath="$oldGenPath/home-files/.config/systemd/user"
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fi
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local newUserServicePath="$newGenPath/home-files/.config/systemd/user"
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local oldServiceFiles="$workDir/old-files"
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local newServiceFiles="$workDir/new-files"
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local servicesDiffFile="$workDir/diff-files"
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if [[ ! (-v oldUserServicePath && -d "$oldUserServicePath") \
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&& ! -d "$newUserServicePath" ]]; then
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return
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fi
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if [[ ! (-v oldUserServicePath && -d "$oldUserServicePath") ]]; then
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touch "$oldServiceFiles"
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else
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find "$oldUserServicePath" \
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-maxdepth 1 -name '*.service' -exec basename '{}' ';' \
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| sort \
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> "$oldServiceFiles"
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fi
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if [[ ! -d "$newUserServicePath" ]]; then
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touch "$newServiceFiles"
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else
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find "$newUserServicePath" \
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-maxdepth 1 -name '*.service' -exec basename '{}' ';' \
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| sort \
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> "$newServiceFiles"
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fi
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diff \
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--new-line-format='+%L' \
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--old-line-format='-%L' \
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--unchanged-line-format=' %L' \
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"$oldServiceFiles" "$newServiceFiles" \
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> $servicesDiffFile || true
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local -a maybeRestart=( $(grep '^ ' $servicesDiffFile | cut -c2-) )
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local -a maybeStop=( $(grep '^-' $servicesDiffFile | cut -c2-) )
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local -a maybeStart=( $(grep '^+' $servicesDiffFile | cut -c2-) )
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local -a toRestart=( )
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local -a toStop=( )
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local -a toStart=( )
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for f in ''${maybeRestart[@]} ; do
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if isStoppable "$f" \
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&& isStartable "$f" \
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&& ${systemctlPath} --quiet --user is-active "$f" \
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&& ! cmp --quiet \
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"$oldUserServicePath/$f" \
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"$newUserServicePath/$f" ; then
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toRestart+=("$f")
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fi
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done
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for f in ''${maybeStop[@]} ; do
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if isStoppable "$f" ; then
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toStop+=("$f")
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fi
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done
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for f in ''${maybeStart[@]} ; do
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if isStartable "$f" ; then
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toStart+=("$f")
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fi
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done
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rm -r $workDir
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local sugg=""
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if [[ -n "''${toRestart[@]}" ]] ; then
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sugg="''${sugg}systemctl --user restart ''${toRestart[@]}\n"
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fi
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if [[ -n "''${toStop[@]}" ]] ; then
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sugg="''${sugg}systemctl --user stop ''${toStop[@]}\n"
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fi
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if [[ -n "''${toStart[@]}" ]] ; then
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sugg="''${sugg}systemctl --user start ''${toStart[@]}\n"
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fi
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if [[ -n "$sugg" ]] ; then
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echo "Suggested commands:"
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echo -n -e "$sugg"
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fi
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}
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$DRY_RUN_CMD ${systemctlPath} --user daemon-reload
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systemdPostReload
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''
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