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Show character counts and which field was blank in B2 setup prompts

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Requested after a live failure: pasting into the hidden Application Key
field silently captured nothing (terminal/SSH-client dependent), and the
only symptom was a generic "one or more fields left blank" warning after
all four prompts had already gone by — no way to tell which field, or
even that the paste itself was the problem rather than something else.

Each of the four fields now echoes its character count right after entry
(never the value for the hidden Application Key field, just its length),
so a failed paste is visible immediately instead of discovered several
prompts later. The blank-field warning now also names exactly which
field(s) were empty instead of a generic message.

Verified against the user's actual reported case: bucket/endpoint/key-ID
entered normally, Application Key came back empty — reproduces as
"(0 characters entered)" on that line and "Left blank: Application Key"
in the warning, both confirmed against a second case where all four
fields are present and it passes through cleanly.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01H4k6J1qXXyYxhGEgnJaMvn
This commit is contained in:
Claude
2026-08-14 03:09:32 +00:00
parent ba9c31aeb1
commit f36cb2c394
1 changed files with 18 additions and 2 deletions
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services/backup.sh
+18 -2
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@@ -688,14 +688,30 @@ install_backup() {
echo " - B2 shows the application key ONLY once — copy both values now,"
echo " you can't retrieve the key itself again afterward."
echo ""
# Character counts are echoed after each field (never the value
# itself for the hidden one) so a failed paste is visible
# immediately instead of only surfacing as a generic "left blank"
# warning after all four prompts have already gone by — confirmed
# live: a paste into the hidden Application Key field can silently
# capture nothing depending on the terminal/SSH client, with no
# other symptom until this point.
local B2_BUCKET="" B2_ENDPOINT="" B2_KEY_ID="" B2_APP_KEY=""
prompt_text " Bucket name:" "" B2_BUCKET
echo " (${#B2_BUCKET} characters entered)"
prompt_text " Endpoint (e.g. s3.us-west-004.backblazeb2.com):" "" B2_ENDPOINT
echo " (${#B2_ENDPOINT} characters entered)"
prompt_text " Application Key ID:" "" B2_KEY_ID
echo " (${#B2_KEY_ID} characters entered)"
read -rsp " Application Key (input hidden): " B2_APP_KEY; echo
echo " (${#B2_APP_KEY} characters entered)"
if [ -z "$B2_BUCKET" ] || [ -z "$B2_ENDPOINT" ] || [ -z "$B2_KEY_ID" ] || [ -z "$B2_APP_KEY" ]; then
log_warning "One or more fields left blank — skipping B2 setup this run."
local _B2_MISSING=""
[ -z "$B2_BUCKET" ] && _B2_MISSING="${_B2_MISSING}Bucket name, "
[ -z "$B2_ENDPOINT" ] && _B2_MISSING="${_B2_MISSING}Endpoint, "
[ -z "$B2_KEY_ID" ] && _B2_MISSING="${_B2_MISSING}Application Key ID, "
[ -z "$B2_APP_KEY" ] && _B2_MISSING="${_B2_MISSING}Application Key, "
if [ -n "$_B2_MISSING" ]; then
log_warning "Left blank: ${_B2_MISSING%, } — skipping B2 setup this run."
else
log_info "Verifying B2 credentials (dry-run sync against the 'default' repo)..."
local _b2_err