Support SDKMAN! Package Count

src/detection/packages/packages.h

@@ -43,6 +43,7 @@ typedef struct FFPackagesResult {
     uint32_t rpm;
     uint32_t scoopGlobal;
     uint32_t scoopUser;
+    uint32_t sdkman;
     uint32_t snap;
     uint32_t soar;
     uint32_t sorcery;

src/detection/packages/packages_linux.c

@@ -287,6 +287,34 @@ static uint32_t getAMUser(void) {
     return packagesPath.length > 0 ? getAMPackages(&packagesPath) : 0;
 }
 
+static uint32_t getSDKMAN(void) {
+    const char* candidatesDir = getenv("SDKMAN_CANDIDATES_DIR");
+    if (!ffStrSet(candidatesDir))
+        return 0;
+
+    FF_AUTO_CLOSE_DIR DIR* dir = opendir(candidatesDir);
+    if (!dir)
+        return 0;
+
+    uint32_t count = 0;
+    char path[PATH_MAX];
+    struct dirent *entry;
+    while ((entry = readdir(dir)) != NULL)
+    {
+        if (entry->d_name[0] == '.')
+            continue;
+
+        if (entry->d_type == DT_DIR || entry->d_type == DT_UNKNOWN)
+        {
+            snprintf(path, sizeof(path), "%s/%s/current", candidatesDir, entry->d_name);
+            if (ffPathExists(path, FF_PATHTYPE_DIRECTORY))
+                ++count;
+        }
+    }
+
+    return count;
+}
+
 static int compareHash(const void* a, const void* b) {
     return memcmp(a, b, 32);
 }
@@ -640,6 +668,10 @@ void ffDetectPackagesImpl(FFPackagesResult* result, FFPackagesOptions* options)
         result->amUser = getAMUser();
     }
 
+    if (FF_PACKAGES_IS_ENABLED(options, SDKMAN)) {
+        result->sdkman = getSDKMAN();
+    }
+
     if (FF_PACKAGES_IS_ENABLED(options, SOAR)) {
         result->soar += getSQLite3Int(&baseDir, ".local/share/soar/db/soar.db", "SELECT COUNT(DISTINCT pkg_id || pkg_name) FROM packages WHERE is_installed = true", "soar");
     }

src/modules/packages/option.h

@@ -39,6 +39,7 @@ typedef enum FF_A_PACKED FFPackagesFlags {
     FF_PACKAGES_FLAG_MOSS_BIT = UINT64_C(1) << 32U,
     FF_PACKAGES_FLAG_APPIMAGE_BIT = UINT64_C(1) << 33U,
     FF_PACKAGES_FLAG_CARDS_BIT = UINT64_C(1) << 34U,
+    FF_PACKAGES_FLAG_SDKMAN_BIT = UINT64_C(1) << 35U,
     FF_PACKAGES_FLAG_FORCE_UNSIGNED = UINT64_MAX,
 } FFPackagesFlags;
 static_assert(sizeof(FFPackagesFlags) == sizeof(uint64_t), "");

src/modules/packages/packages.c

@@ -128,6 +128,7 @@ bool ffPrintPackages(FFPackagesOptions* options) {
         } else {
             FF_PRINT_PACKAGE_NAME(scoopUser, "scoop")
         }
+        FF_PRINT_PACKAGE_NAME(sdkman, "sdk")
         FF_PRINT_PACKAGE(snap)
         FF_PRINT_PACKAGE(soar)
         FF_PRINT_PACKAGE(sorcery)
@@ -190,6 +191,7 @@ bool ffPrintPackages(FFPackagesOptions* options) {
                 FF_ARG(counts.rpm, "rpm"),
                 FF_ARG(counts.scoopGlobal, "scoop-global"),
                 FF_ARG(counts.scoopUser, "scoop-user"),
+                FF_ARG(counts.sdkman, "sdk"),
                 FF_ARG(counts.snap, "snap"),
                 FF_ARG(counts.soar, "soar"),
                 FF_ARG(counts.sorcery, "sorcery"),
@@ -328,6 +330,7 @@ void ffParsePackagesJsonObject(FFPackagesOptions* options, yyjson_val* module) {
                             if (false)
                                 ;
                             FF_TEST_PACKAGE_NAME(SCOOP)
+                            FF_TEST_PACKAGE_NAME(SDKMAN)
                             FF_TEST_PACKAGE_NAME(SNAP)
                             FF_TEST_PACKAGE_NAME(SOAR)
                             FF_TEST_PACKAGE_NAME(SORCERY)
@@ -403,6 +406,7 @@ void ffGeneratePackagesJsonConfig(FFPackagesOptions* options, yyjson_mut_doc* do
     FF_TEST_PACKAGE_NAME(PKGTOOL)
     FF_TEST_PACKAGE_NAME(RPM)
     FF_TEST_PACKAGE_NAME(SCOOP)
+    FF_TEST_PACKAGE_NAME(SDKMAN)
     FF_TEST_PACKAGE_NAME(SNAP)
     FF_TEST_PACKAGE_NAME(SOAR)
     FF_TEST_PACKAGE_NAME(SORCERY)
@@ -470,6 +474,7 @@ bool ffGeneratePackagesJsonResult(FFPackagesOptions* options, yyjson_mut_doc* do
     FF_APPEND_PACKAGE_COUNT(rpm)
     FF_APPEND_PACKAGE_COUNT(scoopGlobal)
     FF_APPEND_PACKAGE_COUNT(scoopUser)
+    FF_APPEND_PACKAGE_COUNT(sdkman)
     FF_APPEND_PACKAGE_COUNT(snap)
     FF_APPEND_PACKAGE_COUNT(soar)
     FF_APPEND_PACKAGE_COUNT(sorcery)
@@ -551,6 +556,7 @@ FFModuleBaseInfo ffPackagesModuleInfo = {
         { "Number of rpm packages", "rpm" },
         { "Number of scoop-global packages", "scoop-global" },
         { "Number of scoop-user packages", "scoop-user" },
+        {"Number of SDKMAN! packages", "sdk"},
         { "Number of snap packages", "snap" },
         { "Number of soar packages", "soar" },
         { "Number of sorcery packages", "sorcery" },