fix(slug_url): remove ending hypen if any

.github/workflows/slugify-value.yaml

@@ -75,7 +75,7 @@ jobs:
         with:
           key: ANOTHER_MAX_LENGTH
           value: "Never gonna give you up Never gonna let you down"
-          slug-maxlength: 23
+          slug-maxlength: 24
       - name: Validate // Slugify with another max length
         run: |
           [[ "${{ env.ANOTHER_MAX_LENGTH }}" == "Never gonna give you up Never gonna let you down" ]]

README.md

@@ -18,6 +18,7 @@ Produce some `slug`-ed environment variables based on the input one.
 - `<env name>_SLUG_URL` (or `<env name>_SLUG_URL_CS`)
 
   - like `<env name>_SLUG` (or `<env name>_SLUG_CS`) with the `.`, and `_` characters also replaced by `-`
+  - will not end with `-`
 
 ## Usage
 

slugify.sh

@@ -33,7 +33,7 @@ slug() {
   # 3d : Remove leading dashes
   # 4d : Remove trailing dashes
   output=$(sed -E 's#refs/[^\/]*/##;s/[^a-zA-Z0-9._-]+/-/g;s/^-*//;s/-*$//' <<<"$1")
-  reduce "$output"
+  reduce "$output" false
 }
 
 slug_url() {
@@ -42,16 +42,19 @@ slug_url() {
   # 3d : Remove leading dashes
   # 4d : Remove trailing dashes
   output=$(sed -E 's#refs/[^\/]*/##;s/[^a-zA-Z0-9-]+/-/g;s/^-*//;s/-*$//' <<<"$1")
-  reduce "$output"
+  reduce "$output" true
 }
 
 reduce() {
-  if [ "${MAX_LENGTH}" == "nolimit" ]; then
-    echo "$1"
-  else
-    cut -c1-"${MAX_LENGTH}" <<<"$1"
+  reduced_value="$1"
+  remove_ending_hypen="$2"
+  if [ "${MAX_LENGTH}" != "nolimit" ]; then
+    reduced_value=$(cut -c1-"${MAX_LENGTH}" <<<"$1")
   fi
-}
+  if [ "remove_ending_hypen" == "true" ]; then
+    reduced_value="${reduced_value//-*$/}"
+  fi
+  echo "$reduced_value"
 
 SLUG_VALUE=$(slug "$VALUE")
 SLUG_CS_VALUE=$(slug "$CS_VALUE")