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Fix chpasswd: find binary in Nix store and pipe password inline

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Co-authored-by: naturallaw777 <99053422+naturallaw777@users.noreply.github.com>
This commit is contained in:
copilot-swe-agent[bot]
2026-04-07 16:43:50 +00:00
committed by GitHub
parent 3baffb2a69
commit a8128cef8d
1 changed files with 13 additions and 2 deletions
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15
iso/installer.py
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@@ -1000,9 +1000,20 @@ class InstallerWindow(Adw.ApplicationWindow):
raise RuntimeError(proc.stderr.strip() or "Failed to write password file")
run(["sudo", "chmod", "600", "/mnt/var/lib/secrets/free-password"])
# Locate chpasswd in the installed system's Nix store
chpasswd_find = subprocess.run(
["sudo", "find", "/mnt/nix/store", "-name", "chpasswd", "-type", "f", "-path", "*/bin/chpasswd"],
capture_output=True, text=True
)
chpasswd_paths = chpasswd_find.stdout.strip().splitlines()
if not chpasswd_paths:
raise RuntimeError("chpasswd binary not found in /mnt/nix/store")
# Use the first match; strip the /mnt prefix for chroot-relative path
chpasswd_bin = chpasswd_paths[0][len("/mnt"):]
proc = subprocess.run(
["sudo", "nixos-enter", "--root", "/mnt", "--", "sh", "-c", "chpasswd"],
input=f"free:{password}",
["sudo", "chroot", "/mnt", "sh", "-c",
f"echo 'free:{password}' | {chpasswd_bin}"],
capture_output=True, text=True
)
if proc.returncode != 0: