Support SDKMAN! Package Count

src/detection/packages/packages.h

@@ -40,6 +40,7 @@ typedef struct FFPackagesResult
     uint32_t rpm;
     uint32_t scoopUser;
     uint32_t scoopGlobal;
+    uint32_t sdkman;
     uint32_t snap;
     uint32_t soar;
     uint32_t sorcery;

src/detection/packages/packages_linux.c

@@ -272,6 +272,35 @@ 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);
@@ -556,6 +585,9 @@ void ffDetectPackagesImpl(FFPackagesResult* result, FFPackagesOptions* options)
     if (!(options->disabled & FF_PACKAGES_FLAG_AM_BIT))
         result->amUser = getAMUser();
 
+    if (!(options->disabled & FF_PACKAGES_FLAG_SDKMAN_BIT))
+        result->sdkman = getSDKMAN();
+
     if (!(options->disabled & FF_PACKAGES_FLAG_SOAR_BIT))
         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

@@ -36,6 +36,7 @@ typedef enum __attribute__((__packed__)) FFPackagesFlags
     FF_PACKAGES_FLAG_HPKG_BIT = 1ULL << 28,
     FF_PACKAGES_FLAG_PISI_BIT = 1ULL << 29,
     FF_PACKAGES_FLAG_SOAR_BIT = 1ULL << 30,
+    FF_PACKAGES_FLAG_SDKMAN_BIT = 1ULL << 31,
     FF_PACKAGES_FLAG_FORCE_UNSIGNED = UINT64_MAX,
 } FFPackagesFlags;
 static_assert(sizeof(FFPackagesFlags) == sizeof(uint64_t), "");

src/modules/packages/packages.c

@@ -146,6 +146,7 @@ bool ffPrintPackages(FFPackagesOptions* options)
         FF_PRINT_PACKAGE(mport)
         FF_PRINT_PACKAGE(pisi)
         FF_PRINT_PACKAGE(soar)
+        FF_PRINT_PACKAGE_NAME(sdkman, "sdk")
 
         putchar('\n');
     }
@@ -194,6 +195,7 @@ bool ffPrintPackages(FFPackagesOptions* options)
             FF_FORMAT_ARG(counts.hpkgUser, "hpkg-user"),
             FF_FORMAT_ARG(counts.pisi, "pisi"),
             FF_FORMAT_ARG(counts.soar, "soar"),
+            FF_FORMAT_ARG(counts.sdkman, "sdk"),
             FF_FORMAT_ARG(nixAll, "nix-all"),
             FF_FORMAT_ARG(flatpakAll, "flatpak-all"),
             FF_FORMAT_ARG(brewAll, "brew-all"),
@@ -297,6 +299,7 @@ void ffParsePackagesJsonObject(FFPackagesOptions* options, yyjson_val* module)
                             break;
                         case 'S': 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)
@@ -362,6 +365,7 @@ void ffGeneratePackagesJsonConfig(FFPackagesOptions* options, yyjson_mut_doc* do
     FF_TEST_PACKAGE_NAME(PKGSRC)
     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)
@@ -423,6 +427,7 @@ bool ffGeneratePackagesJsonResult(FF_MAYBE_UNUSED FFPackagesOptions* options, yy
     FF_APPEND_PACKAGE_COUNT(rpm)
     FF_APPEND_PACKAGE_COUNT(scoopUser)
     FF_APPEND_PACKAGE_COUNT(scoopGlobal)
+    FF_APPEND_PACKAGE_COUNT(sdkman)
     FF_APPEND_PACKAGE_COUNT(snap)
     FF_APPEND_PACKAGE_COUNT(soar)
     FF_APPEND_PACKAGE_COUNT(sorcery)
@@ -498,6 +503,7 @@ FFModuleBaseInfo ffPackagesModuleInfo = {
         {"Number of hpkg-user packages", "hpkg-user"},
         {"Number of pisi packages", "pisi"},
         {"Number of soar packages", "soar"},
+        {"Number of SDKMAN! SDK packages", "sdk"},
         {"Total number of all nix packages", "nix-all"},
         {"Total number of all flatpak app packages", "flatpak-all"},
         {"Total number of all brew packages", "brew-all"},