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borgbackup: use writeShellApplication

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This commit is contained in:
Jörg Thalheim
2024-12-24 07:21:05 +01:00
parent 50c52dd099
commit 077f5415b0
1 changed files with 37 additions and 28 deletions
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39
clanModules/borgbackup/roles/client.nix
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@@ -138,34 +138,43 @@ in
}) cfg.destinations;
environment.systemPackages = [
(pkgs.writeShellScriptBin "borgbackup-create" ''
set -efu -o pipefail
(pkgs.writeShellApplication {
name = "borgbackup-create";
runtimeInputs = [ config.systemd.package ];
text = ''
${lib.concatMapStringsSep "\n" (dest: ''
systemctl start borgbackup-job-${dest.name}
'') (lib.attrValues cfg.destinations)}
'')
(pkgs.writeShellScriptBin "borgbackup-list" ''
set -efu -o pipefail
'';
})
(pkgs.writeShellApplication {
name = "borgbackup-list";
runtimeInputs = [ pkgs.jq ];
text = ''
(${
lib.concatMapStringsSep "\n" (
dest:
# we need yes here to skip the changed url verification
''echo y | borg-job-${dest.name} list --json | jq '[.archives[] | {"name": ("${dest.name}::${dest.repo}::" + .name)}]' ''
''echo y | /run/current-system/sw/bin/borg-job-${dest.name} list --json | jq '[.archives[] | {"name": ("${dest.name}::${dest.repo}::" + .name)}]' ''
) (lib.attrValues cfg.destinations)
}) | ${pkgs.jq}/bin/jq -s 'add // []'
'')
(pkgs.writeShellScriptBin "borgbackup-restore" ''
set -efu -o pipefail
}) | jq -s 'add // []'
'';
})
(pkgs.writeShellApplication {
name = "borgbackup-restore";
runtimeInputs = [ pkgs.gawk ];
text = ''
cd /
IFS=':' read -ra FOLDER <<< "$FOLDERS"
job_name=$(echo "$NAME" | ${pkgs.gawk}/bin/awk -F'::' '{print $1}')
IFS=':' read -ra FOLDER <<< "''${FOLDERS-}"
job_name=$(echo "$NAME" | awk -F'::' '{print $1}')
backup_name=''${NAME#"$job_name"::}
if ! command -v borg-job-"$job_name" &> /dev/null; then
if [[ ! -x /run/current-system/sw/bin/borg-job-"$job_name" ]]; then
echo "borg-job-$job_name not found: Backup name is invalid" >&2
exit 1
fi
echo y | borg-job-"$job_name" extract "$backup_name" "''${FOLDER[@]}"
'')
echo y | /run/current-system/sw/bin/borg-job-"$job_name" extract "$backup_name" "''${FOLDER[@]}"
'';
})
];
# Facts generation. So the client can authenticate to the server