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Package (macOS): try supporting nix

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This commit is contained in:
李通洲
2023-11-16 10:04:17 +08:00
parent 413984963e
commit 3f9462d7c8
1 changed files with 42 additions and 5 deletions
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src/detection/packages/packages_apple.c
+42 -5
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@@ -1,12 +1,12 @@
#include "packages.h"
#include "common/io/io.h"
#include "common/parsing.h"
#include "common/processing.h"
#include "util/stringUtils.h"
#include <dirent.h>
static uint32_t getNumElements(const char* dirname, unsigned char type)
{
DIR* dirp = opendir(dirname);
FF_AUTO_CLOSE_DIR DIR* dirp = opendir(dirname);
if(dirp == NULL)
return 0;
@@ -21,8 +21,6 @@ static uint32_t getNumElements(const char* dirname, unsigned char type)
if(type == DT_DIR)
num_elements -= 2; // accounting for . and ..
closedir(dirp);
return num_elements;
}
@@ -68,8 +66,47 @@ static uint32_t getMacPortsPackages()
return countMacPortsPackages(FASTFETCH_TARGET_DIR_ROOT"/opt/local");
}
static uint32_t getNixPackagesImpl(char* path)
{
//Nix detection is kinda slow, so we only do it if the dir exists
if(!ffPathExists(path, FF_PATHTYPE_DIRECTORY))
return 0;
FF_STRBUF_AUTO_DESTROY output = ffStrbufCreateA(128);
//https://github.com/fastfetch-cli/fastfetch/issues/195#issuecomment-1191748222
FF_STRBUF_AUTO_DESTROY command = ffStrbufCreateA(255);
ffStrbufAppendS(&command, "for x in $(nix-store --query --requisites ");
ffStrbufAppendS(&command, path);
ffStrbufAppendS(&command, "); do if [ -d $x ]; then echo $x ; fi ; done | cut -d- -f2- | egrep '([0-9]{1,}\\.)+[0-9]{1,}' | egrep -v '\\-doc$|\\-man$|\\-info$|\\-dev$|\\-bin$|^nixos-system-nixos-' | uniq | wc -l");
ffProcessAppendStdOut(&output, (char* const[]) {
"/bin/sh",
"-c",
command.chars,
NULL
});
return (uint32_t) strtol(output.chars, NULL, 10);
}
static uint32_t getNixPackages(FFstrbuf* baseDir, const char* dirname)
{
uint32_t baseDirLength = baseDir->length;
ffStrbufAppendS(baseDir, dirname);
uint32_t num_elements = getNixPackagesImpl(baseDir->chars);
ffStrbufSubstrBefore(baseDir, baseDirLength);
return num_elements;
}
void ffDetectPackagesImpl(FFPackagesResult* result, FF_MAYBE_UNUSED FFPackagesOptions* options)
{
getBrewPackages(result);
result->port = getMacPortsPackages();
FF_STRBUF_AUTO_DESTROY baseDir = ffStrbufCreateS(FASTFETCH_TARGET_DIR_ROOT);
result->nixDefault += getNixPackages(&baseDir, "/nix/var/nix/profiles/default");
result->nixSystem += getNixPackages(&baseDir, "/run/current-system");
ffStrbufSet(&baseDir, &instance.state.platform.homeDir);
result->nixUser = getNixPackages(&baseDir, "/.nix-profile");
}