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bash 單引號擴展問題

[英]bash problem with single quotes expansion

我得到了以下腳本:

#!/usr/bin/env bash

# break on error
set -ex

## USAGE: ./open <type> <instance-name>
if [[ $# -ne 2 ]]; then
    echo "## USAGE: ${0} <type> <instance-name>"
    echo "type: team or project"
    echo "instance-name: name of the instance to fetch the URL from"
    exit 1
fi

ORGANIZATION="redacted_org"

PROJECT="redacted_project"

TYPE="redacted_type"
if [[ $1 == "team" ]]; then
  TYPE="redacted_type_team"
fi

NAME=$2

BUILD_ID=$(az pipelines build definition list \
  --organization "${ORGANIZATION}" \
  --project "${PROJECT}" \
  --query "\"[? contains(path, '\\\\stacks\\\\${TYPE}\\\\instances\\\\${NAME}') && name=='apply'].{id:id}\"" \
  --output tsv)

echo "https://redacted_org.visualstudio.com/redacted_project/_build?definitionId=${BUILD_ID}"

問題是 BUILD_ID 變量被執行為(由set -x打印):

++ az pipelines build definition list --organization redacted_org --project redacted_project --query '"[? contains(path, \'\''\\stacks\\redacted_type\\instances\\redacted_2\'\'') && name==\'\''apply\'\''].{id:id}"' --output tsv

請注意'"而不是"就在 --query 參數之后和它的末尾,並且在我有一個單引號而不是 ' 的任何地方都有\'\' '

我需要按如下方式執行此 BUILD_ID,在終端本身中鍵入此命令時可以正常工作:

$(az pipelines build definition list --organization "redacted_org" --project "redacted_project" --query "[? contains(path, '\\stacks\\redacted_type\\instances\\redacted_2') && name=='apply'].{id:id}" --output tsv)

我究竟做錯了什么?

在節中:

BUILD_ID=$(az pipelines build definition list \
  --organization "${ORGANIZATION}" \
  --project "${PROJECT}" \
  --query "\"[? contains(path, \'\\\\stacks\\\\${TYPE}\\\\instances\\\\${NAME}\') && name==\'apply\'].{id:id}\"" \
  --output tsv)

你使用了一些奇怪的引用。 您希望這正是您期望的方式:

BUILD_ID=$(az pipelines build definition list \
  --organization "${ORGANIZATION}" \
  --project "${PROJECT}" \
  --query "[? contains(path, '\\stacks\\${TYPE}\\instances\\${NAME}) && name=='apply'].{id:id}" \
  --output tsv)

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