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gh: idempotently consider existing symlinks

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> -e file
>        True if file exists.
> -f file
>        True if file exists and is a regular file.
> [...]
> -L file
>        True if file exists and is a symbolic link.
>
> (Source: bash(1))
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NAHO 2023-12-27 15:42:41 +01:00 committed by Robert Helgesson
parent 6e2afa5c3b
commit f8a4a5c18f
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1 changed files with 5 additions and 4 deletions
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modules/programs/gh.nix
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@ -135,15 +135,16 @@ in {
#
# See https://github.com/nix-community/home-manager/issues/4744 for details.
home.activation.migrateGhAccounts =
hm.dag.entryBetween [ "linkGeneration" ] [ "writeBoundary" ] ''
if [[ -e "${config.xdg.configHome}/gh/hosts.yml" ]]; then
let ghHosts = "${config.xdg.configHome}/gh/hosts.yml";
in hm.dag.entryBetween [ "linkGeneration" ] [ "writeBoundary" ] ''
if [[ ! -L "${ghHosts}" && -f "${ghHosts}" ]]; then
(
TMP_DIR=$(mktemp -d)
trap "rm --force --recursive $TMP_DIR" EXIT
cp "${config.xdg.configHome}/gh/hosts.yml" $TMP_DIR/
cp "${ghHosts}" $TMP_DIR/
export GH_CONFIG_DIR=$TMP_DIR
$DRY_RUN_CMD ${getExe cfg.package} help 2>&1 > $DRY_RUN_NULL
cp $TMP_DIR/hosts.yml "${config.xdg.configHome}/gh/hosts.yml"
cp $TMP_DIR/hosts.yml "${ghHosts}"
)
fi
'';