From 8a258a2fcb48308f7aa3f1f864aee12e91e1ce3b Mon Sep 17 00:00:00 2001
From: Saikari <lin@sz.cn.eu.org>
Date: Mon, 26 Jan 2026 23:32:31 +0300
Subject: enhance shell detection for Linux by checking parent process

---
 xmake/core/base/tty.lua | 75 ++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 74 insertions(+), 1 deletion(-)

diff --git a/xmake/core/base/tty.lua b/xmake/core/base/tty.lua
index dd053b3e6..a605a4a9e 100644
--- a/xmake/core/base/tty.lua
+++ b/xmake/core/base/tty.lua
@@ -23,6 +23,7 @@ local tty = tty or {}
 
 -- load modules
 local io = require("base/io")
+local path = require("base/path")
 
 -- save metatable and builtin functions
 tty._term_mode = tty._term_mode or tty.term_mode
@@ -256,13 +257,85 @@ function tty.shell()
                 end
             end
         end
+        -- try to find the shell from the parent process (linux)
+        if not shell and os.host() == "linux" and os.isfile("/proc/self/stat") then
+            local pid = os.getpid()
+            for i = 1, 10 do
+                local stat = io.readfile("/proc/" .. pid .. "/stat")
+                if not stat or #stat == 0 then
+                    local tmpfile = path.join(os.tmpdir(), "xmake_stat_" .. os.getpid())
+                    os.execv("cp", {"/proc/" .. pid .. "/stat", tmpfile})
+                    stat = io.readfile(tmpfile)
+                    os.rm(tmpfile)
+                end
+
+                -- find last ')' to handle "pid (comm) state ppid"
+                local start = stat and stat:find(")", 1, true)
+                while start do
+                    local next_p = stat:find(")", start + 1, true)
+                    if not next_p then break end
+                    start = next_p
+                end
+
+                if start then
+                    local suffix = stat:sub(start + 1)
+                    local fields = {}
+                    for field in suffix:gmatch("%S+") do
+                        table.insert(fields, field)
+                        if #fields >= 2 then break end
+                    end
+
+                    local ppid = tonumber(fields[2])
+                    if not ppid or ppid == 0 then break end
+
+                    local shell_name = nil
+                    local shell_path = nil
+                    if os.isfile("/proc/" .. ppid .. "/exe") then
+                        local ok, link = pcall(os.readlink, "/proc/" .. ppid .. "/exe")
+                        if ok and link then
+                            shell_path = link
+                        end
+                    end
+                    if not shell_path and os.isfile("/proc/" .. ppid .. "/comm") then
+                        shell_name = io.readfile("/proc/" .. ppid .. "/comm")
+                        if not shell_name or #shell_name == 0 then
+                            local tmpfile = path.join(os.tmpdir(), "xmake_comm_" .. os.getpid())
+                            os.execv("cp", {"/proc/" .. ppid .. "/comm", tmpfile})
+                            shell_name = io.readfile(tmpfile)
+                            os.rm(tmpfile)
+                        end
+                        if shell_name then
+                            shell_name = shell_name:match("^%s*(.-)%s*$")
+                        end
+                    end
+                    if shell_path then
+                        shell_name = path.filename(shell_path)
+                    end
+
+                    if shell_name then
+                        shell_name = shell_name:gsub("^-", "")
+                        for _, name in ipairs({"zsh", "bash", "fish", "nu", "elvish", "sh"}) do
+                            if shell_name == name then
+                                shell = name
+                                break
+                            end
+                        end
+                        if shell then break end
+                    end
+                    pid = ppid
+                else
+                    break
+                end
+            end
+        end
+
         if not shell then
             shell = os.getenv("XMAKE_SHELL")
         end
         if not shell then
             shell = os.getenv("SHELL")
             if shell then
-                for _, shellname in ipairs({"zsh", "bash", "sh"}) do
+                for _, shellname in ipairs({"zsh", "bash", "fish", "nu", "elvish", "sh"}) do
                     if shell:find(shellname) then
                         shell = shellname
                         break
-- 
cgit v1.3.1


From 8855fb1173ed118bda8e75ccd75c1b0db26bdcf7 Mon Sep 17 00:00:00 2001
From: Saikari <lin@sz.cn.eu.org>
Date: Tue, 27 Jan 2026 00:19:16 +0300
Subject: add support for Alacritty terminal in tty.term function

---
 xmake/core/base/tty.lua | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/xmake/core/base/tty.lua b/xmake/core/base/tty.lua
index a605a4a9e..39c4c0d31 100644
--- a/xmake/core/base/tty.lua
+++ b/xmake/core/base/tty.lua
@@ -396,6 +396,8 @@ function tty.term()
                     term = "xterm"
                 elseif TERM == "cygwin" then
                     term = "cygwin"
+                elseif TERM:find("alacritty", 1, true) then
+                    term = "alacritty"
                 end
             end
         end
-- 
cgit v1.3.1


From 14b0f24fc76004d1498fa7f85a6c2377b2fbd722 Mon Sep 17 00:00:00 2001
From: Saikari <lin@sz.cn.eu.org>
Date: Tue, 27 Jan 2026 00:44:11 +0300
Subject: add support for PowerShell in shell detection

---
 xmake/core/base/tty.lua | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/xmake/core/base/tty.lua b/xmake/core/base/tty.lua
index 39c4c0d31..51c301ab4 100644
--- a/xmake/core/base/tty.lua
+++ b/xmake/core/base/tty.lua
@@ -314,7 +314,7 @@ function tty.shell()
 
                     if shell_name then
                         shell_name = shell_name:gsub("^-", "")
-                        for _, name in ipairs({"zsh", "bash", "fish", "nu", "elvish", "sh"}) do
+                        for _, name in ipairs({"zsh", "bash", "fish", "nu", "elvish", "pwsh", "sh"}) do
                             if shell_name == name then
                                 shell = name
                                 break
@@ -335,7 +335,7 @@ function tty.shell()
         if not shell then
             shell = os.getenv("SHELL")
             if shell then
-                for _, shellname in ipairs({"zsh", "bash", "fish", "nu", "elvish", "sh"}) do
+                for _, shellname in ipairs({"zsh", "bash", "fish", "nu", "elvish", "pwsh", "sh"}) do
                     if shell:find(shellname) then
                         shell = shellname
                         break
-- 
cgit v1.3.1


From 6e6cf755b207fe128e6e8a534d3df15f56d9c8a4 Mon Sep 17 00:00:00 2001
From: Saikari <lin@sz.cn.eu.org>
Date: Tue, 27 Jan 2026 05:45:37 +0300
Subject: refactor tty.shell to use os.tmpfile and os.runv for improved file
 handling

---
 xmake/core/base/tty.lua | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/xmake/core/base/tty.lua b/xmake/core/base/tty.lua
index 51c301ab4..27788419b 100644
--- a/xmake/core/base/tty.lua
+++ b/xmake/core/base/tty.lua
@@ -263,8 +263,8 @@ function tty.shell()
             for i = 1, 10 do
                 local stat = io.readfile("/proc/" .. pid .. "/stat")
                 if not stat or #stat == 0 then
-                    local tmpfile = path.join(os.tmpdir(), "xmake_stat_" .. os.getpid())
-                    os.execv("cp", {"/proc/" .. pid .. "/stat", tmpfile})
+                    local tmpfile = os.tmpfile()
+                    os.runv("cp", {"/proc/" .. pid .. "/stat", tmpfile})
                     stat = io.readfile(tmpfile)
                     os.rm(tmpfile)
                 end
@@ -299,8 +299,8 @@ function tty.shell()
                     if not shell_path and os.isfile("/proc/" .. ppid .. "/comm") then
                         shell_name = io.readfile("/proc/" .. ppid .. "/comm")
                         if not shell_name or #shell_name == 0 then
-                            local tmpfile = path.join(os.tmpdir(), "xmake_comm_" .. os.getpid())
-                            os.execv("cp", {"/proc/" .. ppid .. "/comm", tmpfile})
+                            local tmpfile = os.tmpfile()
+                            os.runv("cp", {"/proc/" .. ppid .. "/comm", tmpfile})
                             shell_name = io.readfile(tmpfile)
                             os.rm(tmpfile)
                         end
-- 
cgit v1.3.1


From 41e460c869c15699d63f39e4fe433d88225818dc Mon Sep 17 00:00:00 2001
From: Saikari <lin@sz.cn.eu.org>
Date: Tue, 27 Jan 2026 05:54:28 +0300
Subject: add function to find shell from parent process in Linux

---
 xmake/core/base/tty.lua | 149 ++++++++++++++++++++++++++----------------------
 1 file changed, 80 insertions(+), 69 deletions(-)

diff --git a/xmake/core/base/tty.lua b/xmake/core/base/tty.lua
index 27788419b..788327d20 100644
--- a/xmake/core/base/tty.lua
+++ b/xmake/core/base/tty.lua
@@ -235,6 +235,84 @@ function tty.flush()
     return tty
 end
 
+-- find the shell from the parent process (linux)
+function tty._find_shell_from_parent()
+    if os.host() ~= "linux" or not os.isfile("/proc/self/stat") then
+        return
+    end
+
+    local shell
+    local pid = os.getpid()
+    for i = 1, 10 do
+        local stat = io.readfile("/proc/" .. pid .. "/stat")
+        if not stat or #stat == 0 then
+            local tmpfile = os.tmpfile()
+            os.runv("cp", {"/proc/" .. pid .. "/stat", tmpfile})
+            stat = io.readfile(tmpfile)
+            os.rm(tmpfile)
+        end
+
+        -- find last ')' to handle "pid (comm) state ppid"
+        local start = stat and stat:find(")", 1, true)
+        while start do
+            local next_p = stat:find(")", start + 1, true)
+            if not next_p then break end
+            start = next_p
+        end
+
+        if start then
+            local suffix = stat:sub(start + 1)
+            local fields = {}
+            for field in suffix:gmatch("%S+") do
+                table.insert(fields, field)
+                if #fields >= 2 then break end
+            end
+
+            local ppid = tonumber(fields[2])
+            if not ppid or ppid == 0 then break end
+
+            local shell_name = nil
+            local shell_path = nil
+            if os.isfile("/proc/" .. ppid .. "/exe") then
+                local ok, link = pcall(os.readlink, "/proc/" .. ppid .. "/exe")
+                if ok and link then
+                    shell_path = link
+                end
+            end
+            if not shell_path and os.isfile("/proc/" .. ppid .. "/comm") then
+                shell_name = io.readfile("/proc/" .. ppid .. "/comm")
+                if not shell_name or #shell_name == 0 then
+                    local tmpfile = os.tmpfile()
+                    os.runv("cp", {"/proc/" .. ppid .. "/comm", tmpfile})
+                    shell_name = io.readfile(tmpfile)
+                    os.rm(tmpfile)
+                end
+                if shell_name then
+                    shell_name = shell_name:match("^%s*(.-)%s*$")
+                end
+            end
+            if shell_path then
+                shell_name = path.filename(shell_path)
+            end
+
+            if shell_name then
+                shell_name = shell_name:gsub("^-", "")
+                for _, name in ipairs({"zsh", "bash", "fish", "nu", "elvish", "pwsh", "sh"}) do
+                    if shell_name == name then
+                        shell = name
+                        break
+                    end
+                end
+                if shell then break end
+            end
+            pid = ppid
+        else
+            break
+        end
+    end
+    return shell
+end
+
 -- get shell name
 function tty.shell()
     local shell = tty._SHELL
@@ -258,75 +336,8 @@ function tty.shell()
             end
         end
         -- try to find the shell from the parent process (linux)
-        if not shell and os.host() == "linux" and os.isfile("/proc/self/stat") then
-            local pid = os.getpid()
-            for i = 1, 10 do
-                local stat = io.readfile("/proc/" .. pid .. "/stat")
-                if not stat or #stat == 0 then
-                    local tmpfile = os.tmpfile()
-                    os.runv("cp", {"/proc/" .. pid .. "/stat", tmpfile})
-                    stat = io.readfile(tmpfile)
-                    os.rm(tmpfile)
-                end
-
-                -- find last ')' to handle "pid (comm) state ppid"
-                local start = stat and stat:find(")", 1, true)
-                while start do
-                    local next_p = stat:find(")", start + 1, true)
-                    if not next_p then break end
-                    start = next_p
-                end
-
-                if start then
-                    local suffix = stat:sub(start + 1)
-                    local fields = {}
-                    for field in suffix:gmatch("%S+") do
-                        table.insert(fields, field)
-                        if #fields >= 2 then break end
-                    end
-
-                    local ppid = tonumber(fields[2])
-                    if not ppid or ppid == 0 then break end
-
-                    local shell_name = nil
-                    local shell_path = nil
-                    if os.isfile("/proc/" .. ppid .. "/exe") then
-                        local ok, link = pcall(os.readlink, "/proc/" .. ppid .. "/exe")
-                        if ok and link then
-                            shell_path = link
-                        end
-                    end
-                    if not shell_path and os.isfile("/proc/" .. ppid .. "/comm") then
-                        shell_name = io.readfile("/proc/" .. ppid .. "/comm")
-                        if not shell_name or #shell_name == 0 then
-                            local tmpfile = os.tmpfile()
-                            os.runv("cp", {"/proc/" .. ppid .. "/comm", tmpfile})
-                            shell_name = io.readfile(tmpfile)
-                            os.rm(tmpfile)
-                        end
-                        if shell_name then
-                            shell_name = shell_name:match("^%s*(.-)%s*$")
-                        end
-                    end
-                    if shell_path then
-                        shell_name = path.filename(shell_path)
-                    end
-
-                    if shell_name then
-                        shell_name = shell_name:gsub("^-", "")
-                        for _, name in ipairs({"zsh", "bash", "fish", "nu", "elvish", "pwsh", "sh"}) do
-                            if shell_name == name then
-                                shell = name
-                                break
-                            end
-                        end
-                        if shell then break end
-                    end
-                    pid = ppid
-                else
-                    break
-                end
-            end
+        if not shell then
+            shell = tty._find_shell_from_parent()
         end
 
         if not shell then
-- 
cgit v1.3.1


From 666f5c5b7f29beb474b1c12726f8dd39cd1babe9 Mon Sep 17 00:00:00 2001
From: Saikari <lin@sz.cn.eu.org>
Date: Tue, 27 Jan 2026 06:04:17 +0300
Subject: refactor _find_shell_from_parent function to simplify error handling
 for shell path retrieval

---
 xmake/core/base/tty.lua | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/xmake/core/base/tty.lua b/xmake/core/base/tty.lua
index 788327d20..5c7f360c2 100644
--- a/xmake/core/base/tty.lua
+++ b/xmake/core/base/tty.lua
@@ -274,8 +274,8 @@ function tty._find_shell_from_parent()
             local shell_name = nil
             local shell_path = nil
             if os.isfile("/proc/" .. ppid .. "/exe") then
-                local ok, link = pcall(os.readlink, "/proc/" .. ppid .. "/exe")
-                if ok and link then
+                local link = os.readlink("/proc/" .. ppid .. "/exe")
+                if link then
                     shell_path = link
                 end
             end
-- 
cgit v1.3.1


From b6578fbe40e03b075c9581895d55d256c0c4205b Mon Sep 17 00:00:00 2001
From: Saikari <lin@sz.cn.eu.org>
Date: Tue, 27 Jan 2026 12:17:41 +0300
Subject: refactor _find_shell_from_parent function for improved shell
 detection and error handling

---
 xmake/core/base/tty.lua | 96 ++++++++++++++++++++-----------------------------
 1 file changed, 38 insertions(+), 58 deletions(-)

diff --git a/xmake/core/base/tty.lua b/xmake/core/base/tty.lua
index 5c7f360c2..9f339e4f4 100644
--- a/xmake/core/base/tty.lua
+++ b/xmake/core/base/tty.lua
@@ -243,73 +243,53 @@ function tty._find_shell_from_parent()
 
     local shell
     local pid = os.getpid()
-    for i = 1, 10 do
-        local stat = io.readfile("/proc/" .. pid .. "/stat")
-        if not stat or #stat == 0 then
-            local tmpfile = os.tmpfile()
-            os.runv("cp", {"/proc/" .. pid .. "/stat", tmpfile})
-            stat = io.readfile(tmpfile)
-            os.rm(tmpfile)
+    local tmpfile = os.tmpfile()
+    while pid ~= 0 do
+        local shell_name = nil
+        local shell_path = nil
+        if os.isfile("/proc/" .. pid .. "/exe") then
+            local link = os.readlink("/proc/" .. pid .. "/exe")
+            if link then
+                shell_path = link
+            end
         end
 
-        -- find last ')' to handle "pid (comm) state ppid"
-        local start = stat and stat:find(")", 1, true)
-        while start do
-            local next_p = stat:find(")", start + 1, true)
-            if not next_p then break end
-            start = next_p
+        if not shell_path and os.isfile("/proc/" .. pid .. "/comm") then
+             shell_name = io.readfile("/proc/" .. pid .. "/comm")
+             if not shell_name or #shell_name == 0 then
+                 os.runv("cp", {"/proc/" .. pid .. "/comm", tmpfile})
+                 shell_name = io.readfile(tmpfile)
+             end
+             if shell_name then
+                 shell_name = shell_name:match("^%s*(.-)%s*$")
+             end
+        end
+        if shell_path then
+            shell_name = path.filename(shell_path)
         end
 
-        if start then
-            local suffix = stat:sub(start + 1)
-            local fields = {}
-            for field in suffix:gmatch("%S+") do
-                table.insert(fields, field)
-                if #fields >= 2 then break end
-            end
-
-            local ppid = tonumber(fields[2])
-            if not ppid or ppid == 0 then break end
-
-            local shell_name = nil
-            local shell_path = nil
-            if os.isfile("/proc/" .. ppid .. "/exe") then
-                local link = os.readlink("/proc/" .. ppid .. "/exe")
-                if link then
-                    shell_path = link
-                end
-            end
-            if not shell_path and os.isfile("/proc/" .. ppid .. "/comm") then
-                shell_name = io.readfile("/proc/" .. ppid .. "/comm")
-                if not shell_name or #shell_name == 0 then
-                    local tmpfile = os.tmpfile()
-                    os.runv("cp", {"/proc/" .. ppid .. "/comm", tmpfile})
-                    shell_name = io.readfile(tmpfile)
-                    os.rm(tmpfile)
-                end
-                if shell_name then
-                    shell_name = shell_name:match("^%s*(.-)%s*$")
+        if shell_name then
+            shell_name = shell_name:gsub("^-", "")
+            for _, name in ipairs({"zsh", "bash", "fish", "nu", "elvish", "pwsh", "sh"}) do
+                if shell_name == name then
+                    shell = name
+                    break
                 end
             end
-            if shell_path then
-                shell_name = path.filename(shell_path)
-            end
+            if shell then break end
+        end
 
-            if shell_name then
-                shell_name = shell_name:gsub("^-", "")
-                for _, name in ipairs({"zsh", "bash", "fish", "nu", "elvish", "pwsh", "sh"}) do
-                    if shell_name == name then
-                        shell = name
-                        break
-                    end
-                end
-                if shell then break end
-            end
-            pid = ppid
-        else
-            break
+        local stat = io.readfile("/proc/" .. pid .. "/stat")
+        if not stat or #stat == 0 then
+            os.runv("cp", {"/proc/" .. pid .. "/stat", tmpfile})
+            stat = io.readfile(tmpfile)
         end
+
+        local ppid = stat and tonumber(stat:match(".*%) %S+ (%d+)"))
+        if not ppid or ppid == 0 then break end
+        pid = ppid
     end
+    os.rm(tmpfile)
     return shell
 end
 
-- 
cgit v1.3.1


From 93b10aae53d6a3fc751894695161b8b472525a4b Mon Sep 17 00:00:00 2001
From: Saikari <lin@sz.cn.eu.org>
Date: Tue, 27 Jan 2026 12:35:58 +0300
Subject: limit shell detection loop to prevent infinite iterations

---
 xmake/core/base/tty.lua | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/xmake/core/base/tty.lua b/xmake/core/base/tty.lua
index 9f339e4f4..a162e6341 100644
--- a/xmake/core/base/tty.lua
+++ b/xmake/core/base/tty.lua
@@ -244,7 +244,10 @@ function tty._find_shell_from_parent()
     local shell
     local pid = os.getpid()
     local tmpfile = os.tmpfile()
-    while pid ~= 0 do
+    local count = 0
+    while pid ~= 0 and count < 10 do
+        count = count + 1
+        print(count)
         local shell_name = nil
         local shell_path = nil
         if os.isfile("/proc/" .. pid .. "/exe") then
-- 
cgit v1.3.1


From 33ec7a0a2ea8b21b8c896e828ecb80b6da6398d1 Mon Sep 17 00:00:00 2001
From: Saikari <lin@sz.cn.eu.org>
Date: Tue, 27 Jan 2026 12:36:23 +0300
Subject: remove debug print statement from _find_shell_from_parent function

---
 xmake/core/base/tty.lua | 1 -
 1 file changed, 1 deletion(-)

diff --git a/xmake/core/base/tty.lua b/xmake/core/base/tty.lua
index a162e6341..1976a8bb2 100644
--- a/xmake/core/base/tty.lua
+++ b/xmake/core/base/tty.lua
@@ -247,7 +247,6 @@ function tty._find_shell_from_parent()
     local count = 0
     while pid ~= 0 and count < 10 do
         count = count + 1
-        print(count)
         local shell_name = nil
         local shell_path = nil
         if os.isfile("/proc/" .. pid .. "/exe") then
-- 
cgit v1.3.1


From 9914c5cb87077a289f2ec32e360762e91a4378e4 Mon Sep 17 00:00:00 2001
From: Saikari <lin@sz.cn.eu.org>
Date: Tue, 27 Jan 2026 12:39:49 +0300
Subject: limit shell detection loop to prevent excessive iterations

---
 xmake/core/base/tty.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xmake/core/base/tty.lua b/xmake/core/base/tty.lua
index 1976a8bb2..0144795f9 100644
--- a/xmake/core/base/tty.lua
+++ b/xmake/core/base/tty.lua
@@ -245,7 +245,7 @@ function tty._find_shell_from_parent()
     local pid = os.getpid()
     local tmpfile = os.tmpfile()
     local count = 0
-    while pid ~= 0 and count < 10 do
+    while pid ~= 0 and count < 4 do
         count = count + 1
         local shell_name = nil
         local shell_path = nil
-- 
cgit v1.3.1


From fe562739ac876196e39cab1dfadaf89294bbc7c6 Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Wed, 28 Jan 2026 22:49:21 +0800
Subject: fix io.read to read /proc files

---
 core/src/xmake/io/file_read.c | 37 +++++++++++++++++++++++++++++++------
 1 file changed, 31 insertions(+), 6 deletions(-)

diff --git a/core/src/xmake/io/file_read.c b/core/src/xmake/io/file_read.c
index 6b7e560ce..b9be64e10 100644
--- a/core/src/xmake/io/file_read.c
+++ b/core/src/xmake/io/file_read.c
@@ -43,6 +43,27 @@ typedef enum __xm_pushline_state_e {
 /* //////////////////////////////////////////////////////////////////////////////////////
  * implementation
  */
+static tb_bool_t xm_io_file_stream_skip_sequential(tb_stream_ref_t stream, tb_hize_t size) {
+    tb_byte_t discard[TB_STREAM_BLOCK_MAXN];
+    tb_hize_t left = size;
+    while (left) {
+        tb_size_t need = left > (tb_hize_t)sizeof(discard) ? (tb_size_t)sizeof(discard) : (tb_size_t)left;
+        tb_long_t read = tb_stream_read(stream, discard, need);
+        if (read != (tb_long_t)need) {
+            return tb_false;
+        }
+        left -= need;
+    }
+    return tb_true;
+}
+
+static tb_bool_t xm_io_file_stream_skip(tb_stream_ref_t stream, tb_hize_t size, tb_bool_t sequential) {
+    if (sequential) {
+        return xm_io_file_stream_skip_sequential(stream, size);
+    }
+    return tb_stream_skip(stream, size);
+}
+
 static tb_long_t xm_io_file_buffer_readline(tb_stream_ref_t stream, tb_buffer_ref_t line) {
     tb_assert_and_check_return_val(stream && line, -1);
 
@@ -51,20 +72,21 @@ static tb_long_t xm_io_file_buffer_readline(tb_stream_ref_t stream, tb_buffer_re
     tb_hize_t offset = 0;
     tb_byte_t *data = tb_null;
     tb_hong_t size = tb_stream_size(stream);
-    while (size < 0 || (offset = tb_stream_offset(stream)) < size) {
+    tb_bool_t sequential_consume = (size == 0);
+    while (sequential_consume || (offset = tb_stream_offset(stream)) < size) {
         tb_long_t real = tb_stream_peek(stream, &data, XM_IO_BLOCK_MAXN);
         if (real > 0) {
             tb_char_t const *e = tb_strnchr((tb_char_t const *)data, real, '\n');
             if (e) {
                 tb_size_t n = (tb_byte_t const *)e + 1 - data;
-                if (!tb_stream_skip(stream, n))
-                    return -1;
                 tb_buffer_memncat(line, data, n);
+                if (!xm_io_file_stream_skip(stream, n, sequential_consume))
+                    return -1;
                 break;
             } else {
-                if (!tb_stream_skip(stream, real))
-                    return -1;
                 tb_buffer_memncat(line, data, real);
+                if (!xm_io_file_stream_skip(stream, (tb_hize_t)real, sequential_consume))
+                    return -1;
             }
         } else if (!real) {
             real = tb_stream_wait(stream, TB_STREAM_WAIT_READ, -1);
@@ -184,7 +206,10 @@ static tb_int_t xm_io_file_read_all_directly(lua_State *lua, xm_io_file_t *file)
 
     // read all
     tb_stream_ref_t stream = file->u.file_ref;
-    while (!tb_stream_beof(stream)) {
+    tb_hize_t offset = 0;
+    tb_hong_t size = tb_stream_size(stream);
+    tb_bool_t sequential_consume = (size == 0);
+    while (sequential_consume || (offset = tb_stream_offset(stream)) < size) {
         tb_long_t real = tb_stream_read(stream, data, XM_IO_BLOCK_MAXN);
         if (real > 0) {
             tb_buffer_memncat(&buf, data, real);
-- 
cgit v1.3.1


From 58be018b11ea325940c8e63aa130d04bd972ef45 Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Wed, 28 Jan 2026 22:50:25 +0800
Subject: test read /proc

---
 tests/modules/io/test.lua | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/tests/modules/io/test.lua b/tests/modules/io/test.lua
index 2b8bad8bf..a87151e32 100644
--- a/tests/modules/io/test.lua
+++ b/tests/modules/io/test.lua
@@ -160,3 +160,17 @@ function test_convert(t)
 
     os.tryrm("temp")
 end
+
+function test_read_proc_cpuinfo(t)
+    if not is_host("linux") then
+        return t:skip("wrong host platform")
+    end
+    if not os.isfile("/proc/cpuinfo") then
+        return t:skip("missing /proc/cpuinfo")
+    end
+    local data = io.readfile("/proc/cpuinfo", {encoding = "binary"})
+    t:require(data and #data > 0)
+
+    local data2 = io.readfile("/proc/cpuinfo")
+    t:require(data2 and #data2 > 0)
+end
-- 
cgit v1.3.1


From 190df86ff49ed5cf80069ad8ccd34be11d2d948c Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Wed, 28 Jan 2026 22:56:40 +0800
Subject: optimize to read all

---
 core/src/xmake/io/file_read.c | 146 +++++++++++++++++++++++++++++++++++-------
 1 file changed, 124 insertions(+), 22 deletions(-)

diff --git a/core/src/xmake/io/file_read.c b/core/src/xmake/io/file_read.c
index b9be64e10..e38f7bd0d 100644
--- a/core/src/xmake/io/file_read.c
+++ b/core/src/xmake/io/file_read.c
@@ -229,6 +229,57 @@ static tb_int_t xm_io_file_read_all_directly(lua_State *lua, xm_io_file_t *file)
     tb_buffer_exit(&buf);
     return 1;
 }
+
+static tb_bool_t xm_io_file_read_all_to_buffer(xm_io_file_t *file, tb_buffer_ref_t buf) {
+    tb_assert(file && xm_io_file_is_file(file) && file->u.file_ref && buf);
+
+    tb_byte_t *data = tb_buffer_resize(&file->rcache, XM_IO_BLOCK_MAXN);
+    tb_assert_and_check_return_val(data, tb_false);
+
+    tb_stream_ref_t stream = file->u.file_ref;
+    tb_hize_t offset = 0;
+    tb_hong_t size = tb_stream_size(stream);
+    tb_bool_t sequential_consume = (size == 0);
+    while (sequential_consume || (offset = tb_stream_offset(stream)) < size) {
+        tb_long_t real = tb_stream_read(stream, data, XM_IO_BLOCK_MAXN);
+        if (real > 0) {
+            tb_buffer_memncat(buf, data, real);
+        } else if (!real) {
+            real = tb_stream_wait(stream, TB_STREAM_WAIT_READ, -1);
+            tb_check_break(real > 0);
+        } else {
+            break;
+        }
+    }
+    return tb_true;
+}
+
+static tb_int_t xm_io_file_read_all_with_continuation(lua_State *lua, xm_io_file_t *file, tb_char_t const *continuation) {
+    tb_assert(lua && file && continuation && xm_io_file_is_file(file) && file->u.file_ref);
+
+    tb_buffer_t buf;
+    if (!tb_buffer_init(&buf)) {
+        xm_io_return_error(lua, "init buffer failed!");
+    }
+    while (1) {
+        tb_int_t state = xm_io_file_buffer_pushline(&buf, file, continuation, tb_true);
+        if (state == PL_EOF) {
+            break;
+        }
+        if (state == PL_FAIL) {
+            tb_buffer_exit(&buf);
+            xm_io_return_error(lua, "failed to readall");
+        }
+    }
+    if (tb_buffer_size(&buf)) {
+        lua_pushlstring(lua, (tb_char_t const *)tb_buffer_data(&buf), tb_buffer_size(&buf));
+    } else {
+        lua_pushliteral(lua, "");
+    }
+    tb_buffer_exit(&buf);
+    return 1;
+}
+
 static tb_int_t xm_io_file_read_all(lua_State *lua, xm_io_file_t *file, tb_char_t const *continuation) {
     tb_assert(lua && file && continuation && xm_io_file_is_file(file) && file->u.file_ref);
 
@@ -238,35 +289,86 @@ static tb_int_t xm_io_file_read_all(lua_State *lua, xm_io_file_t *file, tb_char_
         return xm_io_file_read_all_directly(lua, file);
     }
 
-    // init buffer
-    tb_buffer_t buf;
-    if (!tb_buffer_init(&buf)) {
-        xm_io_return_error(lua, "init buffer failed!");
+    if (*continuation != '\0') {
+        return xm_io_file_read_all_with_continuation(lua, file, continuation);
     }
 
-    // read all
-    tb_bool_t has_content = tb_false;
-    while (1) {
-        switch (xm_io_file_buffer_pushline(&buf, file, continuation, tb_true)) {
-        case PL_EOF:
-            if (!has_content) {
-                lua_pushliteral(lua, "");
+    tb_buffer_t raw;
+    tb_buffer_t out;
+    tb_bool_t raw_ok = tb_false;
+    tb_bool_t out_ok = tb_false;
+    tb_int_t result = 0;
+    tb_char_t const *errors = tb_null;
+    do {
+        if (!tb_buffer_init(&raw)) {
+            errors = "init buffer failed!";
+            result = 2;
+            break;
+        }
+        raw_ok = tb_true;
+
+        if (!xm_io_file_read_all_to_buffer(file, &raw)) {
+            errors = "failed to read all";
+            result = 2;
+            break;
+        }
+
+        tb_size_t rawsize = tb_buffer_size(&raw);
+
+        if (!tb_buffer_init(&out)) {
+            errors = "init buffer failed!";
+            result = 2;
+            break;
+        }
+        out_ok = tb_true;
+
+        if (!rawsize) {
+            lua_pushliteral(lua, "");
+            result = 1;
+            break;
+        }
+
+        tb_byte_t const *rawdata = (tb_byte_t const *)tb_buffer_data(&raw);
+        tb_byte_t const *p = rawdata;
+        tb_byte_t const *b = rawdata;
+        tb_byte_t const *e = rawdata + rawsize;
+        while (p < e) {
+            if (*p == '\r' && p + 1 < e && p[1] == '\n') {
+                if (p > b) {
+                    tb_buffer_memncat(&out, b, p - b);
+                }
+                tb_buffer_memncat(&out, (tb_byte_t const *)"\n", 1);
+                p += 2;
+                b = p;
             } else {
-                lua_pushlstring(lua, (tb_char_t const *)tb_buffer_data(&buf), tb_buffer_size(&buf));
+                p++;
             }
-            tb_buffer_exit(&buf);
-            return 1;
-        case PL_FIN:
-        case PL_CONL:
-            has_content = tb_true;
-            continue;
-        case PL_FAIL:
-        default:
-            tb_buffer_exit(&buf);
-            xm_io_return_error(lua, "failed to read all");
+        }
+        if (tb_buffer_size(&out)) {
+            if (e > b) {
+                tb_buffer_memncat(&out, b, e - b);
+            }
+            lua_pushlstring(lua, (tb_char_t const *)tb_buffer_data(&out), tb_buffer_size(&out));
+            result = 1;
             break;
         }
+
+        lua_pushlstring(lua, (tb_char_t const *)rawdata, rawsize);
+        result = 1;
+
+    } while (0);
+
+    if (out_ok) {
+        tb_buffer_exit(&out);
+    }
+    if (raw_ok) {
+        tb_buffer_exit(&raw);
     }
+    if (result == 2) {
+        lua_pushnil(lua);
+        lua_pushstring(lua, errors);
+    }
+    return result;
 }
 
 static tb_int_t xm_io_file_read_line(lua_State *lua,
-- 
cgit v1.3.1


From 83fd24bc6a601620f827338904eae23effb95099 Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Wed, 28 Jan 2026 23:22:54 +0800
Subject: update tbox

---
 core/src/tbox/tbox | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/src/tbox/tbox b/core/src/tbox/tbox
index e74624e1b..5fce13a45 160000
--- a/core/src/tbox/tbox
+++ b/core/src/tbox/tbox
@@ -1 +1 @@
-Subproject commit e74624e1bbe199a1b0ec255e2cb917441dd816ef
+Subproject commit 5fce13a458679ba0662f30a5eea32a5380eb8c13
-- 
cgit v1.3.1


From d0e47424619d453a1c74a7b248c26bab82bdd876 Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Wed, 28 Jan 2026 23:40:27 +0800
Subject: fix read

---
 core/src/xmake/io/file_read.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/core/src/xmake/io/file_read.c b/core/src/xmake/io/file_read.c
index e38f7bd0d..1d0ae7368 100644
--- a/core/src/xmake/io/file_read.c
+++ b/core/src/xmake/io/file_read.c
@@ -49,10 +49,14 @@ static tb_bool_t xm_io_file_stream_skip_sequential(tb_stream_ref_t stream, tb_hi
     while (left) {
         tb_size_t need = left > (tb_hize_t)sizeof(discard) ? (tb_size_t)sizeof(discard) : (tb_size_t)left;
         tb_long_t read = tb_stream_read(stream, discard, need);
-        if (read != (tb_long_t)need) {
+        if (read > 0) {
+            left -= read;
+        } else if (!read) {
+            read = tb_stream_wait(stream, TB_STREAM_WAIT_READ, -1);
+            tb_check_return_val(read > 0, tb_false);
+        } else {
             return tb_false;
         }
-        left -= need;
     }
     return tb_true;
 }
-- 
cgit v1.3.1


From 5c99e2d9e452e08de4fd7595f4429790ce8efed7 Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Wed, 28 Jan 2026 22:00:56 +0800
Subject: Update tty.lua

---
 xmake/core/base/tty.lua | 24 ++++++++----------------
 1 file changed, 8 insertions(+), 16 deletions(-)

diff --git a/xmake/core/base/tty.lua b/xmake/core/base/tty.lua
index 0144795f9..b3ac35b2b 100644
--- a/xmake/core/base/tty.lua
+++ b/xmake/core/base/tty.lua
@@ -243,7 +243,6 @@ function tty._find_shell_from_parent()
 
     local shell
     local pid = os.getpid()
-    local tmpfile = os.tmpfile()
     local count = 0
     while pid ~= 0 and count < 4 do
         count = count + 1
@@ -258,12 +257,8 @@ function tty._find_shell_from_parent()
 
         if not shell_path and os.isfile("/proc/" .. pid .. "/comm") then
              shell_name = io.readfile("/proc/" .. pid .. "/comm")
-             if not shell_name or #shell_name == 0 then
-                 os.runv("cp", {"/proc/" .. pid .. "/comm", tmpfile})
-                 shell_name = io.readfile(tmpfile)
-             end
              if shell_name then
-                 shell_name = shell_name:match("^%s*(.-)%s*$")
+                 shell_name = shell_name:trim()
              end
         end
         if shell_path then
@@ -271,27 +266,25 @@ function tty._find_shell_from_parent()
         end
 
         if shell_name then
-            shell_name = shell_name:gsub("^-", "")
+            shell_name = shell_name:ltrim("-")
             for _, name in ipairs({"zsh", "bash", "fish", "nu", "elvish", "pwsh", "sh"}) do
                 if shell_name == name then
                     shell = name
                     break
                 end
             end
-            if shell then break end
+            if shell then
+                break
+            end
         end
 
         local stat = io.readfile("/proc/" .. pid .. "/stat")
-        if not stat or #stat == 0 then
-            os.runv("cp", {"/proc/" .. pid .. "/stat", tmpfile})
-            stat = io.readfile(tmpfile)
-        end
-
         local ppid = stat and tonumber(stat:match(".*%) %S+ (%d+)"))
-        if not ppid or ppid == 0 then break end
+        if not ppid or ppid == 0 then
+            break
+        end
         pid = ppid
     end
-    os.rm(tmpfile)
     return shell
 end
 
@@ -628,4 +621,3 @@ end
 
 -- return module
 return tty
-
-- 
cgit v1.3.1