mirror of
https://github.com/nix-community/home-manager
synced 2024-12-24 18:59:47 +01:00
119 lines
2.8 KiB
Bash
119 lines
2.8 KiB
Bash
#!/usr/bin/env bash
|
|
|
|
function isStartable() {
|
|
local service="$1"
|
|
[[ $(systemctl --user show -p RefuseManualStart "$service") == *=no ]]
|
|
}
|
|
|
|
function isStoppable() {
|
|
if [[ -v oldGenPath ]] ; then
|
|
local service="$1"
|
|
[[ $(systemctl --user show -p RefuseManualStop "$service") == *=no ]]
|
|
fi
|
|
}
|
|
|
|
function systemdPostReload() {
|
|
local workDir
|
|
workDir="$(mktemp -d)"
|
|
|
|
if [[ -v oldGenPath ]] ; then
|
|
local oldUserServicePath="$oldGenPath/home-files/.config/systemd/user"
|
|
fi
|
|
|
|
local newUserServicePath="$newGenPath/home-files/.config/systemd/user"
|
|
local oldServiceFiles="$workDir/old-files"
|
|
local newServiceFiles="$workDir/new-files"
|
|
local servicesDiffFile="$workDir/diff-files"
|
|
|
|
if [[ ! (-v oldUserServicePath && -d "$oldUserServicePath") \
|
|
&& ! -d "$newUserServicePath" ]]; then
|
|
return
|
|
fi
|
|
|
|
if [[ ! (-v oldUserServicePath && -d "$oldUserServicePath") ]]; then
|
|
touch "$oldServiceFiles"
|
|
else
|
|
find "$oldUserServicePath" \
|
|
-maxdepth 1 -name '*.service' -exec basename '{}' ';' \
|
|
| sort \
|
|
> "$oldServiceFiles"
|
|
fi
|
|
|
|
if [[ ! -d "$newUserServicePath" ]]; then
|
|
touch "$newServiceFiles"
|
|
else
|
|
find "$newUserServicePath" \
|
|
-maxdepth 1 -name '*.service' -exec basename '{}' ';' \
|
|
| sort \
|
|
> "$newServiceFiles"
|
|
fi
|
|
|
|
diff \
|
|
--new-line-format='+%L' \
|
|
--old-line-format='-%L' \
|
|
--unchanged-line-format=' %L' \
|
|
"$oldServiceFiles" "$newServiceFiles" \
|
|
> "$servicesDiffFile" || true
|
|
|
|
local -a maybeRestart=( $(grep '^ ' "$servicesDiffFile" | cut -c2-) )
|
|
local -a maybeStop=( $(grep '^-' "$servicesDiffFile" | cut -c2-) )
|
|
local -a maybeStart=( $(grep '^+' "$servicesDiffFile" | cut -c2-) )
|
|
local -a toRestart=( )
|
|
local -a toStop=( )
|
|
local -a toStart=( )
|
|
|
|
for f in "${maybeRestart[@]}" ; do
|
|
if isStoppable "$f" \
|
|
&& isStartable "$f" \
|
|
&& systemctl --quiet --user is-active "$f" \
|
|
&& ! cmp --quiet \
|
|
"$oldUserServicePath/$f" \
|
|
"$newUserServicePath/$f" ; then
|
|
toRestart+=("$f")
|
|
fi
|
|
done
|
|
|
|
for f in "${maybeStop[@]}" ; do
|
|
if isStoppable "$f" ; then
|
|
toStop+=("$f")
|
|
fi
|
|
done
|
|
|
|
for f in "${maybeStart[@]}" ; do
|
|
if isStartable "$f" ; then
|
|
toStart+=("$f")
|
|
fi
|
|
done
|
|
|
|
rm -r "$workDir"
|
|
|
|
local sugg=""
|
|
|
|
if [[ -n "${toRestart[@]}" ]] ; then
|
|
sugg="${sugg}systemctl --user restart ${toRestart[@]}\n"
|
|
fi
|
|
|
|
if [[ -n "${toStop[@]}" ]] ; then
|
|
sugg="${sugg}systemctl --user stop ${toStop[@]}\n"
|
|
fi
|
|
|
|
if [[ -n "${toStart[@]}" ]] ; then
|
|
sugg="${sugg}systemctl --user start ${toStart[@]}\n"
|
|
fi
|
|
|
|
if [[ -n "$sugg" ]] ; then
|
|
echo "Suggested commands:"
|
|
echo -n -e "$sugg"
|
|
fi
|
|
}
|
|
|
|
oldGenPath="$1"
|
|
newGenPath="$2"
|
|
|
|
if [[ -v DRY_RUN ]]; then
|
|
echo systemctl --user daemon-reload
|
|
else
|
|
systemctl --user daemon-reload
|
|
fi
|
|
|
|
systemdPostReload
|