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Packages(Linux): Auto detect the DBPath directory for pacman on archlinux #2154

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Packages(Linux): Auto detect the DBPath directory for pacman on archlinux #2154

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2de4f23
Packages(Linux): Auto detect the DBPath directory for pacman on archl…
Jan 16, 2026
1dbaad5
fix(packages): auto-detect pacman DBPath from /etc/pacman.conf
Jan 16, 2026
28e798a
fix(packages): Add detection for `RootDir` specified in `pacman.conf`
Jan 17, 2026
46efa93
fix(packages): updated logic to detect DBPath and RootPath
Jan 18, 2026
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29 changes: 28 additions & 1 deletion src/detection/packages/packages_linux.c
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Original file line number Diff line number Diff line change
Expand Up @@ -412,6 +412,33 @@ static uint32_t getFlatpakPackages(FFstrbuf* baseDir, const char* dirname)
return num_elements;
}

static uint32_t getPacmanPackages(FFstrbuf* baseDir)
{
FF_STRBUF_AUTO_DESTROY pacmanDir = ffStrbufCreate();
// Get path to pacman.conf
uint32_t baseDirLen = baseDir->length;
ffStrbufAppendS(baseDir, "/etc/pacman.conf");

// Get DBPath for packages
ffParsePropFile(baseDir->chars, "DBPath =", &pacmanDir);
// If DBPath is specified
if (pacmanDir.length == 0) {
ffParsePropFile(baseDir->chars, "RootDir =", &pacmanDir);
// If DBpath is not specified and RootDir is specified
if (pacmanDir.length ==0)
// If both are not specified
ffStrbufClear(&pacmanDir);
ffStrbufTrimRight(&pacmanDir, '/');
ffStrbufAppendS(&pacmanDir, "/var/lib/pacman");
}
ffStrbufSubstrBefore(baseDir, baseDirLen);

ffStrbufTrimRight(&pacmanDir, '/');
ffStrbufAppendS(&pacmanDir, "/local");

return getNumElements(baseDir, pacmanDir.chars, true);
}

static void getPackageCounts(FFstrbuf* baseDir, FFPackagesResult* packageCounts, FFPackagesOptions* options)
{
if (!(options->disabled & FF_PACKAGES_FLAG_APK_BIT)) packageCounts->apk += getNumStrings(baseDir, "/lib/apk/db/installed", "C:Q", "apk");
Expand All @@ -426,7 +453,7 @@ static void getPackageCounts(FFstrbuf* baseDir, FFPackagesResult* packageCounts,
packageCounts->nixDefault += ffPackagesGetNix(baseDir, "/nix/var/nix/profiles/default");
packageCounts->nixSystem += ffPackagesGetNix(baseDir, "/run/current-system");
}
if (!(options->disabled & FF_PACKAGES_FLAG_PACMAN_BIT)) packageCounts->pacman += getNumElements(baseDir, "/var/lib/pacman/local", true);
if (!(options->disabled & FF_PACKAGES_FLAG_PACMAN_BIT)) packageCounts->pacman += getPacmanPackages(baseDir);
if (!(options->disabled & FF_PACKAGES_FLAG_LPKGBUILD_BIT)) packageCounts->lpkgbuild += getNumElements(baseDir, "/opt/Loc-OS-LPKG/lpkgbuild/remove", false);
if (!(options->disabled & FF_PACKAGES_FLAG_PKGTOOL_BIT)) packageCounts->pkgtool += getNumElements(baseDir, "/var/log/packages", false);
if (!(options->disabled & FF_PACKAGES_FLAG_RPM_BIT))
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