epm play common.sh: implement get_json_value and use it

play.d/common.sh

@@ -151,6 +151,12 @@ parse_json_value()
     epm tool json -b | grep -m1 -F "$field" | sed -e 's|.*[[:space:]]||' | sed -e 's|"\(.*\)"|\1|g'
 }
 
+# URL/file ["version"]
+get_json_value()
+{
+    eget -q -O- "$1" | parse_json_value "$2"
+}
+
 snap_get_pkgurl()
 {
     local SNAPNAME="$1"
@@ -163,7 +169,7 @@ snap_get_pkgurl()
 get_latest_version()
 {
     local ver
-    local epmver="$(epm --short --version)"
+    local epmver="$(epm --short --version 2>/dev/null)"
     local URL
     epmver=$(echo "$epmver" | sed -e 's|\.[0-9]*$||')
     for URL in "https://eepm.ru/releases/$epmver/app-versions" "https://eepm.ru/app-versions" ; do

play.d/cursor.sh

@@ -11,8 +11,7 @@ URL="https://www.cursor.com/"
 warn_version_is_not_supported
 
 arch="$(epm print info --arch-arch)"
-JSON="https://www.cursor.com/api/download?platform=linux-$arch&releaseTrack=stable"
 
-PKGURL="$(eget -O- "$JSON" | parse_json_value "downloadUrl")"
+PKGURL="$(get_json_value "https://www.cursor.com/api/download?platform=linux-$arch&releaseTrack=stable" "downloadUrl")"
 
 install_pkgurl

play.d/radicle-httpd.sh

@@ -10,7 +10,8 @@ URL="https://radicle.xyz/"
 
 warn_version_is_not_supported
 
-VERSION=$(eget -q -O- "https://files.radicle.xyz/releases/radicle-httpd/latest/radicle-httpd.json" | epm tool json -b | grep version |  awk 'gsub(/"/, "", $2) {print $2}')
+VERSION="$(get_json_value "https://files.radicle.xyz/releases/radicle-httpd/latest/radicle-httpd.json" "version")"
+
 [ -n "$VERSION" ] || fatal "Can't get version"
 
 PKGURL="https://files.radicle.xyz/releases/radicle-httpd/latest/radicle-httpd-$VERSION-x86_64-unknown-linux-musl.tar.xz"

play.d/radicle.sh

@@ -10,7 +10,7 @@ URL="https://radicle.xyz/"
 
 warn_version_is_not_supported
 
-VERSION=$(eget -q -O- "https://files.radicle.xyz/releases/latest/radicle.json" | epm tool json -b | grep version |  awk 'gsub(/"/, "", $2) {print $2}')
+VERSION="$(get_json_value "https://files.radicle.xyz/releases/latest/radicle.json" "version")"
 [ -n "$VERSION" ] || fatal "Can't get version"
 
 PKGURL="https://files.radicle.xyz/releases/latest/radicle-$VERSION-x86_64-unknown-linux-musl.tar.xz"

play.d/yougile.sh

@@ -9,7 +9,7 @@ URL="https://yougile.com"
 . $(dirname $0)/common.sh
 
 if [ "$VERSION" = "*" ] ; then
-    VERSION="$(eget -O- https://dist.yougile.com/app/latest.json | grep -o '"version":[^,}]*' | sed 's/[^0-9.]//g')"
+    VERSION="$(get_json_value https://dist.yougile.com/app/latest.json version)"
 fi
 
 PKGURL="https://dist.yougile.com/app/YouGile-$VERSION-x86_64.AppImage"