Replace text (ex: server url) in AzureDevOps comments

sample_replacement.sh

##
## Global variables
##

# The string which we wish to replace
STR_TO_REPLACE="STR_TO_REPLACE"

# The new value
STR_REPLACMENT="New Server URL"

##
## Azure-DevOps properties
## You can define them here or in a .env file
## . .env

# Set the PAT token for the login,
# You can generate the token under your 
# dev.azure.com account > Settings > Personal Access Token
TOKEN=<Your PAT token>

USERNAME=<Azure DevOps username>
ORGANIZATION=<Azure DevOps Organization>
PROJECT=<Azure DevOps Project>

# Or load from file if you store them in env file
#. .env

###### Test Work item.
##  >>> In real life it should be a loop over all the work items
TEST_ISSUE_ID=137

##
## The api to for fetching/updating the issue
## >> TEST_ISSUE_ID is used here for the test
##
BASE_URL="https://dev.azure.com/$ORGANIZATION/$PROJECT/_apis/wit/workitems"

##
## Load the Work Item
##
workitem=$( curl -X \
            GET -u $USERNAME:$TOKEN \
            $BASE_URL\?ids=$TEST_ISSUE_ID)

##
## Load Work Item comments.
##
comments=$( curl -X \
            GET -u $USERNAME:$TOKEN \
            $BASE_URL/$TEST_ISSUE_ID/comments)

##
## Extract the comments text from the response
##  >> In this demo we only process the 1st one -> '.comments[0].text'
##
commentsText=$(echo $comments | jq '.comments[0].text')

##
## Remove double quotes from output
##

# Remove 1st quote
commentsText=${commentsText#?}

# Remove last quote
commentsText=${commentsText%?}

### 
### Replace the desired content
###
commentsText=$(echo $commentsText | sed  "s/$STR_TO_REPLACE/$STR_REPLACMENT/g")

##
## Update the WorkItem comments
## >> 'api-version=6.0-preview.3' can be passed a sheader instead
curl -X POST                                \
     -u $USERNAME:$TOKEN                    \
     -H "Content-Type: application/json"    \
     --data "{'text' : '$commentsText'}"    \
     $BASE_URL/$TEST_ISSUE_ID/comments?api-version=6.0-preview.3