chore: fix git-tag-go-mod.sh (#156)

Author: ginokent

.bin/git-tag-go-mod.sh

@@ -30,10 +30,10 @@ __main__() {
 
   trap "git switch -" EXIT
 
-  latest_git_tag=$(git tag --sort=committerdate | grep -E "^v[0-9]+" | tail -n 1)
-  latest_git_tag_commit=$(git rev-list -n 1 "${latest_git_tag:?}")
+  target_git_tag="${TARGET_GIT_TAG:-$(git tag --sort=committerdate | grep -E "^v[0-9]+" | tail -n 1)}"
+  target_git_tag_commit=$(git rev-list -n 1 "${target_git_tag:?}")
 
-  git switch --detach "${latest_git_tag:?}"
+  git switch --detach "${target_git_tag:?}"
   targets=$(
     find "${REPO_ROOT:?}" -name go.mod -print |    # find go.mod
       sed "s@${REPO_ROOT:?}/@@g; s@/*go\.mod@@g" | # trim repo root path
@@ -44,14 +44,14 @@ __main__() {
   LogshInfo "targets:" "$(tr '\n' ' ' <<< "${targets:-none}")"
   if [ -n "${targets:-}" ]; then
     while read -r mod; do
-      go_module_tag="${mod:?}/${latest_git_tag:?}"
+      go_module_tag="${mod:?}/${target_git_tag:?}"
       if git tag --sort=committerdate | grep -qE "^${go_module_tag:?}$"; then
         # skip
         LogshInfo "$(printf "tag already exists: %s" "${go_module_tag:?}")"
         continue
       fi
       # add tag
-      LogshExec git tag -a "${go_module_tag:?}" -m "${go_module_tag:?}" "${latest_git_tag_commit:?}"
+      LogshExec git tag -a "${go_module_tag:?}" -m "${go_module_tag:?}" "${target_git_tag_commit:?}"
     done <<<"${targets:?}"
 
     git push --tags