close #49 - update minify to use github releases

samples/godownloader-event-gateway.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 set -e
-#  Code generated by godownloader on 2018-03-09T17:26:36Z. DO NOT EDIT.
+#  Code generated by godownloader on 2018-03-09T17:30:55Z. DO NOT EDIT.
 #
 
 usage() {

samples/godownloader-goreleaser.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 set -e
-#  Code generated by godownloader on 2018-03-09T17:26:35Z. DO NOT EDIT.
+#  Code generated by godownloader on 2018-03-09T17:30:53Z. DO NOT EDIT.
 #
 
 usage() {

samples/godownloader-hugo.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 set -e
-#  Code generated by godownloader on 2018-03-09T17:26:34Z. DO NOT EDIT.
+#  Code generated by godownloader on 2018-03-09T17:30:53Z. DO NOT EDIT.
 #
 
 usage() {

samples/godownloader-minify.sh

@@ -1,23 +1,22 @@
 #!/bin/sh
 set -e
-#  Code generated by godownloader on 2018-03-09T17:26:35Z. DO NOT EDIT.
+#  Code generated by godownloader on 2018-03-09T17:30:54Z. DO NOT EDIT.
 #
 
 usage() {
   this=$1
   cat <<EOF
-
 $this: download go binaries for tdewolff/minify
 
-Usage: $this [-b bindir]
-  -b set the installation or BINDIR, defaults to ./bin
+Usage: $this [-b] bindir [-d] [tag]
+  -b sets bindir or installation directory, Defaults to ./bin
   -d turns on debug logging
+   [tag] is a tag from
+   https://github.com/tdewolff/minify/releases
+   If tag is missing, then the latest will be used.
 
-  Version is automatically selected from
-  https://dl.equinox.io/tdewolff/minify/stable
-
-Generated by godownloader
- https://github.com/goreleaser/godownloader
+ Generated by godownloader
+  https://github.com/goreleaser/godownloader
 
 EOF
   exit 2
@@ -36,25 +35,85 @@ parse_args() {
     esac
   done
   shift $((OPTIND - 1))
-  # VERSION currently unused
-  #VERSION=$1
+  TAG=$1
 }
-# wrap all destructive operations into a function
-# to prevent curl|bash network truncation and disaster
+# this function wraps all the destructive operations
+# if a curl|bash cuts off the end of the script due to
+# network, either nothing will happen or will syntax error
+# out preventing half-done work
 execute() {
   TMPDIR=$(mktmpdir)
+  http_download "${TMPDIR}/${TARBALL}" "${TARBALL_URL}"
+  http_download "${TMPDIR}/${CHECKSUM}" "${CHECKSUM_URL}"
+  hash_sha256_verify "${TMPDIR}/${TARBALL}" "${TMPDIR}/${CHECKSUM}"
 
-  log_info "seeking '${CHANNEL}' latest from $TARGET"
-  TARBALL_URL=$(http_copy "$TARGET" | grep "$TARBALL" | cut -d '"' -f 2)
-
-  log_info "downloading from ${TARBALL_URL}"
-  http_download "${TMPDIR}/${TARBALL}" "$TARBALL_URL"
-
-  (cd "$TMPDIR" && untar "$TARBALL")
+  (cd "${TMPDIR}" && untar "${TARBALL}")
   install -d "${BINDIR}"
   install "${TMPDIR}/${BINARY}" "${BINDIR}/"
-  log_info "installed ${BINDIR}/${BINARY}"
+  log_info "installed as ${BINDIR}/${BINARY}"
+}
+is_supported_platform() {
+  platform=$1
+  found=1
+  case "$platform" in
+    windows/amd64) found=0 ;;
+    windows/386) found=0 ;;
+
+    windows/arm64) found=0 ;;
+    linux/amd64) found=0 ;;
+    linux/386) found=0 ;;
+
+    linux/arm64) found=0 ;;
+    darwin/amd64) found=0 ;;
+    darwin/386) found=0 ;;
+
+    darwin/arm64) found=0 ;;
+    windows/armv6) found=0 ;;
+    linux/armv6) found=0 ;;
+    darwin/armv6) found=0 ;;
+  esac
+  return $found
 }
+check_platform() {
+  if is_supported_platform "$PLATFORM"; then
+    # optional logging goes here
+    true
+  else
+    log_crit "platform $PLATFORM is not supported.  Make sure this script is up-to-date and file request at https://github.com/${PREFIX}/issues/new"
+    exit 1
+  fi
+}
+tag_to_version() {
+  if [ -z "${TAG}" ]; then
+    log_info "checking GitHub for latest tag"
+  else
+    log_info "checking GitHub for tag '${TAG}'"
+  fi
+  REALTAG=$(github_release "$OWNER/$REPO" "${TAG}") && true
+  if test -z "$REALTAG"; then
+    log_crit "unable to find '${TAG}' - use 'latest' or see https://github.com/${PREFIX}/releases for details"
+    exit 1
+  fi
+  # if version starts with 'v', remove it
+  TAG="$REALTAG"
+  VERSION=${TAG#v}
+}
+adjust_format() {
+  # change format (tar.gz or zip) based on ARCH
+  case ${ARCH} in
+    windows) FORMAT=zip ;;
+  esac
+  true
+}
+adjust_os() {
+  # adjust archive name based on OS
+  true
+}
+adjust_arch() {
+  # adjust archive name based on ARCH
+  true
+}
+
 cat /dev/null <<EOF
 ------------------------------------------------------------------------
 https://github.com/client9/shlib - portable posix shell functions
@@ -287,28 +346,46 @@ cat /dev/null <<EOF
 End of functions from https://github.com/client9/shlib
 ------------------------------------------------------------------------
 EOF
+
 OWNER=tdewolff
 REPO="minify"
 BINARY=minify
-FORMAT=tgz
-BINDIR=${BINDIR:-./bin}
-CHANNEL=stable
+FORMAT=tar.gz
+OS=$(uname_os)
+ARCH=$(uname_arch)
 PREFIX="$OWNER/$REPO"
+
 # use in logging routines
 log_prefix() {
-        echo "$PREFIX"
+	echo "$PREFIX"
 }
-OS=$(uname_os)
-ARCH=$(uname_arch)
+PLATFORM="${OS}/${ARCH}"
+GITHUB_DOWNLOAD=https://github.com/${OWNER}/${REPO}/releases/download
 
 uname_os_check "$OS"
 uname_arch_check "$ARCH"
 
 parse_args "$@"
 
-TARGET=https://dl.equinox.io/${OWNER}/${REPO}/${CHANNEL}
-TARBALL="${BINARY}-${CHANNEL}-${OS}-${ARCH}.${FORMAT}"
+check_platform
+
+tag_to_version
+
+adjust_format
+
+adjust_os
+
+adjust_arch
+
+log_info "found version: ${VERSION} for ${TAG}/${OS}/${ARCH}"
+
+NAME=${BINARY}_${VERSION}_${OS}_${ARCH}
+TARBALL=${NAME}.${FORMAT}
+TARBALL_URL=${GITHUB_DOWNLOAD}/${TAG}/${TARBALL}
+CHECKSUM=${BINARY}_${VERSION}_checksums.txt
+CHECKSUM_URL=${GITHUB_DOWNLOAD}/${TAG}/${CHECKSUM}
 
+# Adjust binary name if windows
 if [ "$OS" = "windows" ]; then
   BINARY="${BINARY}.exe"
 fi

samples/godownloader-misspell.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 set -e
-#  Code generated by godownloader on 2018-03-09T17:26:35Z. DO NOT EDIT.
+#  Code generated by godownloader on 2018-03-09T17:30:54Z. DO NOT EDIT.
 #
 
 usage() {

samples/godownloader-shfmt.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 set -e
-#  Code generated by godownloader on 2018-03-09T17:26:35Z. DO NOT EDIT.
+#  Code generated by godownloader on 2018-03-09T17:30:54Z. DO NOT EDIT.
 #
 
 usage() {

scripts/build_samples.sh

@@ -2,7 +2,11 @@
 ./godownloader -repo gohugoio/hugo >samples/godownloader-hugo.sh
 ./godownloader -repo goreleaser/goreleaser >samples/godownloader-goreleaser.sh
 ./godownloader -repo client9/misspell >samples/godownloader-misspell.sh
-./godownloader -source equinoxio -repo tdewolff/minify >samples/godownloader-minify.sh
+./godownloader -repo tdewolff/minify >samples/godownloader-minify.sh
 ./godownloader -source raw -repo mvdan/sh -exe shfmt >samples/godownloader-shfmt.sh
 ./godownloader -repo serverless/event-gateway >samples/godownloader-event-gateway.sh
 chmod a+x samples/*.sh
+
+# https://github.com/goreleaser/godownloader/issues/49
+# still available and good to test equinoxio but no longer current
+#./godownloader -source equinoxio -repo tdewolff/minify >samples/godownloader-minify.sh