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fix(bash): zbackup treats a not-running local DB as a calm skip

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Fold all pg_dump messaging into local_pg_dump (caller just captures
success) and special-case an unreachable database. "connection refused"
/ "could not connect" / DNS / timeout now print a quiet
"Local database not running at host:port - source-only backup." instead
of a red multi-line error - a stopped dev DB is a normal state. Real
failures (version mismatch, auth, missing db) still print the full
pg_dump error so they're diagnosable.
This commit is contained in:
KellyMichels 2026-07-22 19:18:01 -05:00
parent 223523d14c
commit 3cc09924be
1 changed files with 16 additions and 16 deletions
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32
bash/zbackup
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@ -46,27 +46,32 @@ ts() { date +%Y%m%d-%H%M%S; }
tag_suffix() { [ -n "$tag" ] && printf '_%s' "$(printf '%s' "$tag" | tr -s '[:space:]' '_')"; }
# Dump the project's Postgres database if its .env declares a DATABASE_URL.
# Checks <root>/.env, then <root>/backend/.env.
# Exit codes: 0 = dumped ($2 written) 1 = dump attempted but failed
# 2 = no local database configured (no .env / no DATABASE_URL)
# Checks <root>/.env, then <root>/backend/.env. Prints its own status line for
# every outcome; returns 0 (dumped, $2 written) or 1 (nothing dumped).
# A not-running database (connection refused) is a calm, expected skip; a real
# failure (version mismatch, auth, missing db) prints the loud pg_dump error.
local_pg_dump() { # <root> <out_path>
local root="$1" out="$2" env_file db_url err_out
local root="$1" out="$2" env_file db_url err_out rc
env_file="$root/.env"; [ -f "$env_file" ] || env_file="$root/backend/.env"
[ -f "$env_file" ] || return 2
if [ ! -f "$env_file" ]; then dim " No local DATABASE_URL - source-only backup."; return 1; fi
db_url="$(grep -m1 '^DATABASE_URL=' "$env_file" | cut -d= -f2- | tr -d '[:space:]')"
[ -n "$db_url" ] || return 2
if [ -z "$db_url" ]; then dim " No local DATABASE_URL - source-only backup."; return 1; fi
db_url="$(printf '%s' "$db_url" | sed -E 's|^postgresql\+[^:]+://|postgresql://|')"
if [[ "$db_url" =~ ^postgresql://([^:]+):([^@]+)@([^:]+):([0-9]+)/([^?]+) ]]; then
local user="${BASH_REMATCH[1]}" pass="${BASH_REMATCH[2]}" host="${BASH_REMATCH[3]}"
local port="${BASH_REMATCH[4]}" db="${BASH_REMATCH[5]}"
command -v pg_dump >/dev/null 2>&1 || { err ' pg_dump not installed - skipping PG backup'; return 1; }
# Capture stderr so a failure is diagnosable (version mismatch, unreachable
# host, auth) instead of a bare "pg_dump failed".
if err_out="$(PGPASSWORD="$(z_urldecode "$pass")" pg_dump -h "$host" -p "$port" -U "$user" -d "$db" -F p -f "$out" 2>&1)" \
&& [ -f "$out" ]; then
err_out="$(PGPASSWORD="$(z_urldecode "$pass")" pg_dump -h "$host" -p "$port" -U "$user" -d "$db" -F p -f "$out" 2>&1)"; rc=$?
if [ "$rc" -eq 0 ] && [ -f "$out" ]; then
ok " PostgreSQL dump: $(awk -v b="$(wc -c < "$out")" 'BEGIN{printf "%.1f", b/1024}') KB"
return 0
fi
# Not reachable (usually just not running locally) is expected - stay calm.
if printf '%s' "$err_out" | grep -qiE 'connection refused|could not connect|no route to host|could not translate host|timeout expired'; then
dim " Local database not running at $host:$port - source-only backup."
return 1
fi
# A real failure (version mismatch, auth, missing db) - show the reason.
err " pg_dump failed ($host:$port/$db as $user):"
printf '%s\n' "$err_out" | grep -v '^[[:space:]]*$' | sed 's/^/ /' >&2
return 1
@ -92,12 +97,7 @@ backup_project() { # <key>
dump_dir="$(mktemp -d "${TMPDIR:-/tmp}/zbackup_${key}_XXXXXX")"
db_dump="$dump_dir/database_pg.sql"
warn " [1/3] Checking for a local database to dump..."
local_pg_dump "$root" "$db_dump"
case $? in
0) extra="$db_dump" ;;
2) dim " No local DATABASE_URL - source-only backup." ;;
*) warn " Database dump failed (see above) - continuing with source-only backup." ;;
esac
if local_pg_dump "$root" "$db_dump"; then extra="$db_dump"; fi
warn " [2/3] Archiving source..."
local excl=()