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home-environment: interactively inspect non-managed files

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This commit is contained in:
Robin Stumm 2017-07-06 21:17:43 +02:00
parent 89dc8c2004
commit 2b74fbde2e
1 changed files with 31 additions and 9 deletions
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40
modules/home-environment.nix
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@ -251,9 +251,37 @@ in
home.activation.checkLinkTargets = dagEntryBefore ["writeBoundary"] (
let
pattern = "-home-manager-files/";
check = pkgs.writeText "check" ''
diff = "${pkgs.diffutils}/bin/diff -r --suppress-common-lines --color=always";
pager = "${pkgs.less}/bin/less -R";
ls = "${pkgs.exa}/bin/exa --color=always";
check = pkgs.writeScript "check" ''
. ${./lib-bash/color-echo.sh}
handleCollision () {
printf "`errorEcho 'Existing file '`"
printf "`${ls} $targetPath`"
errorEcho " is in the way"
while : ; do
printf "`warnEcho 'Overwrite? [y]es, [N]o, [v]iew, [d]iff '`"
read < /dev/tty
if [ "$REPLY" = v ] || [ "$REPLY" = V ] ; then
if [ -d "$targetPath" ] ; then
${ls} -l "$targetPath/" | ${pager} || true
else
${pager} "$targetPath" || true
fi
elif [ "$REPLY" = d ] || [ "$REPLY" = D ] ; then
${diff} "$targetPath" "$newGenFiles/$relativePath" | ${pager} || true
elif [ "$REPLY" = y ] || [ "$REPLY" = Y ] ; then
rm -rf "$file"
break
else
errorEcho "Please move the above files and try again"
exit 1
fi
done
}
newGenFiles="$1"
shift
for sourcePath in "$@" ; do
@ -261,15 +289,9 @@ in
targetPath="$HOME/$relativePath"
if [[ -e "$targetPath" \
&& ! "$(readlink "$targetPath")" =~ "${pattern}" ]] ; then
errorEcho "Existing file '$targetPath' is in the way"
collision=1
handleCollision "$targetPath"
fi
done
if [[ -v collision ]] ; then
errorEcho "Please move the above files and try again"
exit 1
fi
'';
in
''
@ -277,7 +299,7 @@ in
local newGenFiles
newGenFiles="$(readlink -e "$newGenPath/home-files")"
find "$newGenFiles" -type f -print0 -or -type l -print0 \
| xargs -0 bash ${check} "$newGenFiles"
| xargs -0 ${check} "$newGenFiles"
}
checkNewGenCollision || exit 1