woodpecker/pkg/database/migrate/migration
Nurahmadie 97825cf6bf Add usage info at migration script generator.
Also suppress error at the latest migration script
for backward compatibility with existing database, in which
open_invitations column wasn't added via migration.
2014-03-12 08:33:04 +07:00

48 lines
1.1 KiB
Bash
Executable file

#!/usr/bin/env bash
REV=$(date -u +%Y%m%d%H%M%S)
filename=$1
TAB="$(printf '\t')"
titleize() {
echo "$1" | sed -r -e "s/-|_/ /g" -e 's/\b(.)/\U\1/g' -e 's/ //g'
}
howto() {
echo "Usage:"
echo " ./migration create_sample_table"
echo ""
echo "Above invocation will create a migration script called:"
echo " ${REV}_create_sample_table.go"
echo "You can add your migration step at the Up and Down function"
echo "definition inside the file."
echo ""
echo "Database transaction available through MigrationDriver,"
echo "so you can access mg.Tx (sql.Tx instance) directly,"
echo "there are also some migration helpers available, see api.go"
echo "for the list of available helpers (Operation interface)."
echo ""
}
[[ $# -eq 0 ]] && howto && exit 0
cat > ${REV}_$filename.go << EOF
package migrate
type rev${REV} struct{}
var $(titleize $filename) = &rev${REV}{}
func (r *rev$REV) Revision() int64 {
${TAB}return $REV
}
func (r *rev$REV) Up(mg *MigrationDriver) error {
${TAB}// Migration steps here
}
func (r *rev$REV) Down(mg *MigrationDriver) error {
${TAB}// Revert migration steps here
}
EOF