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fix(package): migrator: index_of subshell issue

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yukkop
2025-12-06 04:47:31 +00:00
parent 3b506a7888
commit 373a3fe3f0
8 changed files with 166 additions and 52 deletions
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120
package/migrator/migrator.sh
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@@ -14,16 +14,12 @@
set -eu
if ! command -v psql >/dev/null; then
log error "Required tool (psql) are not installed."
exit 127
fi
VERSION='0.0.1'
MIGRATION_DIR="${MIGRATION_DIR:-migration}"
quote() { printf "'%s'" "$(printf %s "$1" | sed "s/'/'\\\\''/g")"; }
REMAINING_ARS=
quote() { printf "'%s'" "$(printf %s "$1" | sed "s/'/'\\\\''/g")"; }
# cat filename | sha256sum()
# sha256sum(filename)
sha256sum() {
@@ -32,32 +28,6 @@ sha256sum() {
cksum --algorithm=sha256 --untagged "$file" | awk '{printf $1}'
}
while [ $# -gt 0 ]; do
log debug "arg: $1"
case $1 in
migrate|create|fetch|list|init)
[ "${SUBCOMMAND+x}" ] && {
log error "ambiguous subcommand, decide ${WHITE}$SUBCOMMAND ${NC}or ${WHITE}$1";
exit 2;
}
SUBCOMMAND=$1
shift
;;
--migration-dir|-d)
MIGRATION_DIR=$2
shift 2
;;
--inherits)
INHERITS_LIST="${INHERITS_LIST+$INHERITS_LIST\"}$2"
shift 2
;;
--*|-*) REMAINING_ARS="$REMAINING_ARS $(quote "$1")"; shift ;; # unknown global -> pass through
*) REMAINING_ARS="$REMAINING_ARS $(quote "$1")"; shift ;;
esac
done
[ ${INHERITS_LIST+x} ] && INHERITS_LIST="$(printf '%s' "$INHERITS_LIST" | sed -E 's/"/,/g; s/([^,]+)/"\1"/g')"
# shellcheck disable=SC2120
init() {
while [ $# -gt 0 ]; do
@@ -192,8 +162,6 @@ EOF
printf '%s' "$sql"
}
[ "${SUBCOMMAND+x}" ] || { log error "no subcomand specified"; exit 1; }
help() {
# inherits: List one or more tables the migration table must inherit from
echo help
@@ -269,6 +237,24 @@ migration_list() {
find "$MIGRATION_DIR" -maxdepth 1 -type d -regextype posix-extended -regex '^.*/[0-9]{14}-.*$' -printf '%f\n' | sort
}
# index_of(array, name)
index_of() {
local list name m i=1
list=$1
name=$2
[ -z "$name" ] && return 1
# no subshell, no pipeline
while IFS= read -r m; do
[ "$m" = "$name" ] && { printf '%s\n' "$i"; return 0; }
i=$((i+1))
done <<EOF
$list
EOF
return 1
}
migrate() {
local fs_migrations db_migrations db_migration fs_migration psql_args var #target_migration
MIGRATOR_REMAINING_ARS=
@@ -342,21 +328,20 @@ migrate() {
eval "set -- $MIGRATOR_REMAINING_ARS"
target_migration="$("migrate_$MIGRATE_SUBCOMMAND" "$@")"
log debug "target_migration: ${target_migration}"
if [ -z "$db_migrations" ]; then
log info "it'll firs migration"
current_idx=0
else
current_migration=$(printf '%s\n' "$db_migrations" | tail -n1)
current_idx=$(index_of "$fs_migrations" "$current_migration")
fi
index_of
log debug "[$WHITE$fs_migrations$NC]"
log debug "$target_migration"
}
target_idx=$(index_of "$fs_migrations" "$target_migration")
idx_of() {
name=$1
[ -z "$name" ] && { echo 0; return; }
i=1
printf '%s\n' "$fs_migrations" | while IFS= read -r m; do
[ "$m" = "$name" ] && { echo "$i"; return; }
i=$((i+1))
done
echo 0
log debug "indexes $WHITE$current_idx$NC $WHITE${target_idx}"
}
form_psql_args() {
@@ -493,8 +478,43 @@ generate_word() {
printf '%s' "$w"
}
log debug "subcommand: $WHITE$SUBCOMMAND"
log debug "subcommand args: $WHITE$REMAINING_ARS"
if ! command -v psql >/dev/null; then
log error "Required tool (psql) are not installed."
exit 127
fi
eval "set -- $REMAINING_ARS"
"$SUBCOMMAND" "$@"
if ! [ "${AS_LIBRARY+x}" ]; then
while [ $# -gt 0 ]; do
log debug "arg: $1"
case $1 in
migrate|create|fetch|list|init)
[ "${SUBCOMMAND+x}" ] && {
log error "ambiguous subcommand, decide ${WHITE}$SUBCOMMAND ${NC}or ${WHITE}$1";
exit 2;
}
SUBCOMMAND=$1
shift
;;
--migration-dir|-d)
MIGRATION_DIR=$2
shift 2
;;
--inherits)
INHERITS_LIST="${INHERITS_LIST+$INHERITS_LIST\"}$2"
shift 2
;;
--*|-*) REMAINING_ARS="$REMAINING_ARS $(quote "$1")"; shift ;; # unknown global -> pass through
*) REMAINING_ARS="$REMAINING_ARS $(quote "$1")"; shift ;;
esac
done
[ ${INHERITS_LIST+x} ] && INHERITS_LIST="$(printf '%s' "$INHERITS_LIST" | sed -E 's/"/,/g; s/([^,]+)/"\1"/g')"
[ "${SUBCOMMAND+x}" ] || { log error "no subcomand specified"; exit 1; }
log debug "subcommand: $WHITE$SUBCOMMAND"
log debug "subcommand args: $WHITE$REMAINING_ARS"
eval "set -- $REMAINING_ARS"
"$SUBCOMMAND" "$@"
fi