From 0afc8859869e8a14f51cbaf65ea5f71e49d66dd0 Mon Sep 17 00:00:00 2001
From: Jongsun Suh <34228073+MajorLift@users.noreply.github.com>
Date: Mon, 23 Oct 2023 21:08:07 -0700
Subject: [PATCH] Refactor to accept named arguments and handle tag prefix
 change for renamed packages

---
 scripts/migrate-tags.sh |  76 +++++++++++++++++------
 scripts/semver.sh       | 132 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 190 insertions(+), 18 deletions(-)
 create mode 100644 scripts/semver.sh

diff --git a/scripts/migrate-tags.sh b/scripts/migrate-tags.sh
index 7e32b926a91..6f445f01029 100755
--- a/scripts/migrate-tags.sh
+++ b/scripts/migrate-tags.sh
@@ -1,27 +1,67 @@
 #!/usr/bin/env bash
 
-package_name="$1"
-remote=${2:-'origin'}
-release_commits_regex=${3:-'^\d\{1,3\}\.\d\{1,3\}\.\d\{1,3\}'}
+source "$PWD/scripts/semver.sh"
+
+remote='origin'
+release_commits_regex='^\d\{1,3\}\.\d\{1,3\}\.\d\{1,3\}'
+version_before_package_rename='99999.0.0'
+tag_prefix_before_package_rename="$1"
+
+while [[ $# -gt 0 ]]; do
+  key="$1"
+
+  case $key in
+  -r | --remote)
+    remote="$2"
+    shift # past argument
+    shift # past value
+    ;;
+  -p | --regex-pattern)
+    release_commits_regex="$2"
+    shift # past argument
+    shift # past value
+    ;;
+  -v | --version-before-package-rename)
+    version_before_package_rename="$2"
+    shift # past argument
+    shift # past value
+    ;;
+  -t | --tag-prefix-before-package-rename)
+    tag_prefix_before_package_rename="$2"
+    shift # past argument
+    shift # past value
+    ;;
+  *) # package name
+    package_name="$1"
+    shift # past argument
+    ;;
+  esac
+done
 
 get-version-commit-pairs() {
-  for log in "$(git log --oneline --grep $release_commits_regex merged-packages/$package_name)"; do
-    echo "$log" | cut -d' ' -f1,2 | sed 's/\([^ ]*\)\([ ]*\) \([^ ]*\)\([ ]*\)/\3\4 \1\2/'
-  done
+  while read -r log; do
+    commit="$(echo "$log" | cut -d' ' -f1)"
+    version="$(echo "$log" | cut -d' ' -f2)"
+    echo "$version $commit"
+  done <<<"$(git log --oneline --grep $release_commits_regex merged-packages/$package_name)"
 }
 
 prepend-package-name() {
-  for pair in "$(get-version-commit-pairs)"; do
-    echo "$pair" | sed "s/\([^ ]*\)\([ ]*\) \([^ ]*\)\([ ]*\)/@metamask\/$package_name@\1\2 \3\4/"
-  done
+  while read -r pair; do
+    version="$(echo "$pair" | cut -d' ' -f1)"
+    commit="$(echo "$pair" | cut -d' ' -f2)"
+    if semverLT "$version" "$version_before_package_rename" || semverEQ "$version" "$version_before_package_rename"; then
+      tag_name="$tag_prefix_before_package_rename@$version"
+    else
+      tag_name="@metamask/$package_name@$version"
+    fi
+    echo "$tag_name $commit"
+  done <<<"$(get-version-commit-pairs)"
 }
 
-tag_commit_pairs=$(prepend-package-name)
-
-for pair in "$tag_commit_pairs"; do
-  echo "$pair" | xargs -n 2 bash -c 'git tag "$0" "$1"'
-done
-
-for pair in "$tag_commit_pairs"; do
-  echo "$pair" | cut -d' ' -f1 | xargs -n 1 bash -c 'git push '"$remote"' "$0"'
-done
+while read -r pair; do
+  tag="$(echo "$pair" | cut -d' ' -f1)"
+  commit="$(echo "$pair" | cut -d' ' -f2)"
+  git tag "$tag" "$commit"
+  git push "$remote" "$tag"
+done <<<"$(prepend-package-name)"
diff --git a/scripts/semver.sh b/scripts/semver.sh
new file mode 100644
index 00000000000..22de8e64ad5
--- /dev/null
+++ b/scripts/semver.sh
@@ -0,0 +1,132 @@
+#!/usr/bin/env sh
+
+# https://github.com/cloudflare/semver_bash/blob/master/semver.sh
+
+function semverParseInto() {
+    local RE='[^0-9]*\([0-9]*\)[.]\([0-9]*\)[.]\([0-9]*\)\([0-9A-Za-z-]*\)'
+    #MAJOR
+    eval $2=`echo $1 | sed -e "s#$RE#\1#"`
+    #MINOR
+    eval $3=`echo $1 | sed -e "s#$RE#\2#"`
+    #MINOR
+    eval $4=`echo $1 | sed -e "s#$RE#\3#"`
+    #SPECIAL
+    eval $5=`echo $1 | sed -e "s#$RE#\4#"`
+}
+
+function semverEQ() {
+    local MAJOR_A=0
+    local MINOR_A=0
+    local PATCH_A=0
+    local SPECIAL_A=0
+
+    local MAJOR_B=0
+    local MINOR_B=0
+    local PATCH_B=0
+    local SPECIAL_B=0
+
+    semverParseInto $1 MAJOR_A MINOR_A PATCH_A SPECIAL_A
+    semverParseInto $2 MAJOR_B MINOR_B PATCH_B SPECIAL_B
+
+    if [ $MAJOR_A -ne $MAJOR_B ]; then
+        return 1
+    fi
+
+    if [ $MINOR_A -ne $MINOR_B ]; then
+        return 1
+    fi
+
+    if [ $PATCH_A -ne $PATCH_B ]; then
+        return 1
+    fi
+
+    if [[ "_$SPECIAL_A" != "_$SPECIAL_B" ]]; then
+        return 1
+    fi
+
+
+    return 0
+
+}
+
+function semverLT() {
+    local MAJOR_A=0
+    local MINOR_A=0
+    local PATCH_A=0
+    local SPECIAL_A=0
+
+    local MAJOR_B=0
+    local MINOR_B=0
+    local PATCH_B=0
+    local SPECIAL_B=0
+
+    semverParseInto $1 MAJOR_A MINOR_A PATCH_A SPECIAL_A
+    semverParseInto $2 MAJOR_B MINOR_B PATCH_B SPECIAL_B
+
+    if [ $MAJOR_A -lt $MAJOR_B ]; then
+        return 0
+    fi
+
+    if [[ $MAJOR_A -le $MAJOR_B  && $MINOR_A -lt $MINOR_B ]]; then
+        return 0
+    fi
+
+    if [[ $MAJOR_A -le $MAJOR_B  && $MINOR_A -le $MINOR_B && $PATCH_A -lt $PATCH_B ]]; then
+        return 0
+    fi
+
+    if [[ "_$SPECIAL_A"  == "_" ]] && [[ "_$SPECIAL_B"  == "_" ]] ; then
+        return 1
+    fi
+    if [[ "_$SPECIAL_A"  == "_" ]] && [[ "_$SPECIAL_B"  != "_" ]] ; then
+        return 1
+    fi
+    if [[ "_$SPECIAL_A"  != "_" ]] && [[ "_$SPECIAL_B"  == "_" ]] ; then
+        return 0
+    fi
+
+    if [[ "_$SPECIAL_A" < "_$SPECIAL_B" ]]; then
+        return 0
+    fi
+
+    return 1
+
+}
+
+function semverGT() {
+    semverEQ $1 $2
+    local EQ=$?
+
+    semverLT $1 $2
+    local LT=$?
+
+    if [ $EQ -ne 0 ] && [ $LT -ne 0 ]; then
+        return 0
+    else
+        return 1
+    fi
+}
+
+if [ "___semver.sh" == "___`basename $0`" ]; then
+
+MAJOR=0
+MINOR=0
+PATCH=0
+SPECIAL=""
+
+semverParseInto $1 MAJOR MINOR PATCH SPECIAL
+echo "$1 -> M: $MAJOR m:$MINOR p:$PATCH s:$SPECIAL"
+
+semverParseInto $2 MAJOR MINOR PATCH SPECIAL
+echo "$2 -> M: $MAJOR m:$MINOR p:$PATCH s:$SPECIAL"
+
+semverEQ $1 $2
+echo "$1 == $2 -> $?."
+
+semverLT $1 $2
+echo "$1 < $2 -> $?."
+
+semverGT $1 $2
+echo "$1 > $2 -> $?."
+
+fi