From 0b80684805a53adf6b03e2f163062271a8920fc6 Mon Sep 17 00:00:00 2001
From: Benedikt Peetz <benedikt.peetz@b-peetz.de>
Date: Sat, 25 Jul 2026 16:57:08 +0200
Subject: pkgs/tails-iso/update.sh: Don't assume that the `files.json` file
 exists

---
 pkgs/by-name/ta/tails-iso/update.sh | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

(limited to 'pkgs')

diff --git a/pkgs/by-name/ta/tails-iso/update.sh b/pkgs/by-name/ta/tails-iso/update.sh
index 10336449..fbd0fc77 100755
--- a/pkgs/by-name/ta/tails-iso/update.sh
+++ b/pkgs/by-name/ta/tails-iso/update.sh
@@ -2,6 +2,10 @@
 
 set -e
 
+root="$(git rev-parse --show-toplevel)"
+
+cd "$root/pgks/by-name/ta/tails-iso/"
+
 tmpHomePath="$(mktemp -d "${TMPDIR:-/tmp}/nix-prefetch-url-XXXXXXXXXX")"
 cleanup() {
     chmod -R u+w "$tmpHomePath"
@@ -43,12 +47,16 @@ get_sha256() {
     echo "$hash"
 }
 
-old_version="$(jq .version --raw-output <./files.json)"
 new_version="$(curl --follow https://download.tails.net/tails/stable/ 2>/dev/null | html2text -links | grep --regexp='\s*[0-9]\. tails-amd64-' | sed 's/\s*[0-9]\. tails-amd64-\(.*\)\//\1/')"
 
-if [ "$old_version" = "$new_version" ]; then
-    # No need to update.
-    exit 0
+# The `files.json` file might not be present, if a previous update failed.
+if test -f ./files.json; then
+    old_version="$(jq .version --raw-output <./files.json)"
+
+    if [ "$old_version" = "$new_version" ]; then
+        # No need to update.
+        exit 0
+    fi
 fi
 
 final_version="amd64-$new_version"
-- 
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