Add: feature to build a specific tag

dendrite/deb.sh

@@ -10,6 +10,7 @@ PACK_DIR="${SCRIPT_PATH}/package"
 
 BUILD_DIR="$REPO_DIR/bin"
 ROOTFS="${SCRIPT_PATH}/rootfs"
+TARGET_TAG=""
 
 ACTION="initialze"
 
@@ -24,17 +25,22 @@ function usage()
 {
     echo "$0 usage:"
     echo "  -b the build release number"
+    echo "  -t specify the tag to build, instead of the latest one"
 }
 
 BUILD_REL=""
-while getopts ":b" arg
+while getopts ":b:t:" arg
 do
     case "$arg" in
         b)
             BUILD_REL="$OPTARG"
             ;;
+        t)
+            TARGET_TAG="$OPTARG"
+            ;;
         *)
             usage
+            exit 1
             ;;
     esac
 done
@@ -51,9 +57,18 @@ function download()
         git -C "$REPO_DIR" fetch --all
     fi
 
-    LATEST_TAG=$(git -C "$REPO_DIR" tag --sort=-version:refname --list 'v*' | head -n 1)
-    echo "switching to tag: $LATEST_TAG"
-    git -C "$REPO_DIR" switch --detach "$LATEST_TAG"
+}
+
+function switch_tag()
+{
+    ACTION="switch tag"
+    if [ -z "$TARGET_TAG" ]
+    then
+        TARGET_TAG=$(git -C "$REPO_DIR" tag --sort=-version:refname --list 'v*' | head -n 1)
+    fi
+
+    echo "switching to tag: $TARGET_TAG"
+    git -C "$REPO_DIR" switch --detach "$TARGET_TAG"
 }
 
 function build()
@@ -100,6 +115,7 @@ EOF
 
 
 download
+switch_tag
 build
 package