release-scripts: allow forced downgrades

In case of regressions, we need a way to force downgrades quickly. The
new `--force` flag offers that option.

Suggested-by: Matthew John Cheetham <mjcheetham@outlook.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

Author: dscho

.github/release-homebrew.sh

@@ -3,10 +3,12 @@
 # Promote a microsoft/git release into the microsoft/homebrew-git tap.
 #
 # Usage:
-#   .github/release-homebrew.sh [<TAG_NAME>]
+#   .github/release-homebrew.sh [--force] [<TAG_NAME>]
 #
 # If TAG_NAME is omitted, the latest microsoft/git release is used.
 #
+# Dowgrades require `--force`.
+#
 # Prerequisites:
 #   - `gh` authenticated (via `gh auth login`) as a user with push
 #     access to microsoft/homebrew-git.
@@ -30,6 +32,11 @@ die () {
 	exit 1
 }
 
+case "$1" in
+--force) force=t; shift;;
+*) force=;;
+esac
+
 TAG_NAME=${1-}
 if [ -z "$TAG_NAME" ]; then
 	echo "==> No tag given; resolving latest microsoft/git release"
@@ -61,8 +68,10 @@ fi
 lowest=$(printf '%s\n%s\n' "$version" "$current_version" |
 	sort -V | sed 1q)
 if [ "$lowest" = "$version" ]; then
+	test -n "$force" ||
 	die "regression: cask is at $current_version," \
 		"refusing to downgrade to $version"
+	echo "warning: **downgrading** from $current_version to $version" >&2
 fi
 
 echo "==> Fetching release metadata"

.github/release-vfsforgit.sh

@@ -3,10 +3,12 @@
 # Promote a microsoft/git release into the microsoft/VFSForGit repo.
 #
 # Usage:
-#   .github/release-vfsforgit.sh [<TAG_NAME>]
+#   .github/release-vfsforgit.sh [--force] [<TAG_NAME>]
 #
 # If TAG_NAME is omitted, the latest microsoft/git release is used.
 #
+# Dowgrades require `--force`.
+#
 # Prerequisites:
 #   - `gh` authenticated (via `gh auth login`) as a user with push
 #     access to microsoft/VFSForGit.
@@ -24,6 +26,11 @@ die () {
 	exit 1
 }
 
+case "$1" in
+--force) force=t; shift;;
+*) force=;;
+esac
+
 TAG_NAME=${1-}
 if [ -z "$TAG_NAME" ]; then
 	echo "==> No tag given; resolving latest microsoft/git release"
@@ -56,8 +63,10 @@ fi
 lowest=$(printf '%s\n%s\n' "$TAG_NAME" "$current_tag" |
 	sort -V | sed 1q)
 if [ "$lowest" = "$TAG_NAME" ]; then
+	test -n "$force" ||
 	die "regression: GIT_VERSION is $current_tag," \
 		"refusing to downgrade to $TAG_NAME"
+	echo "warning: **downgrading** from $current_version to $TAG_NAME" >&2
 fi
 
 workdir=$(mktemp -d)

.github/release-winget.sh

@@ -3,10 +3,12 @@
 # Promote a microsoft/git release into the microsoft/winget-pkgs repo.
 #
 # Usage:
-#   .github/release-winget.sh [<TAG_NAME>]
+#   .github/release-winget.sh [--force] [<TAG_NAME>]
 #
 # If TAG_NAME is omitted, the latest microsoft/git release is used.
 #
+# Dowgrades require `--force`.
+#
 # Prerequisites:
 #   - Runs on Windows (the winget authoring tool wingetcreate.exe is
 #     Windows-only). Use Git for Windows' bash, an MSYS2 shell, WSL
@@ -47,6 +49,11 @@ Linux)
 	;;
 esac
 
+case "$1" in
+--force) force=t; shift;;
+*) force=;;
+esac
+
 TAG_NAME=${1-}
 if [ -z "$TAG_NAME" ]; then
 	echo "==> No tag given; resolving latest microsoft/git release"
@@ -98,8 +105,10 @@ fi
 lowest=$(printf '%s\n%s\n' "$version" "$current_version" |
 	sort -V | sed 1q)
 if [ "$lowest" = "$version" ]; then
+	test -n "$force" ||
 	die "regression: package is at $current_version," \
 		"refusing to downgrade to $version"
+	echo "warning: **downgrading** from $current_version to $version" >&2
 fi
 
 echo "==> Fetching release metadata"