Rejudge hardening: UTF-8-safe hooks, PowerShell coverage, guard/mem/workflow fixes, live demo - #8

🏁 Script executed:

#!/usr/bin/env bash
# Run in native Windows Git Bash to confirm the actual venv executable layout.
tmp="$(mktemp -d)"
trap 'rm -rf "$tmp"' EXIT
python -m venv "$tmp/venv"
find "$tmp/venv" -maxdepth 2 -type f -iname 'python*' -print
test -x "$tmp/venv/Scripts/python.exe"

Repository: blyatiful1/fable-protocol

Length of output: 565

🏁 Script executed:

#!/usr/bin/env bash
set -euo pipefail

printf '\n== bench/run.sh ==\n'
git ls-files bench/run.sh tests/test_bench.py
wc -l bench/run.sh tests/test_bench.py
printf '\n-- bench/run.sh (lines 1-120) --\n'
cat -n bench/run.sh | sed -n '1,120p'
printf '\n-- tests/test_bench.py (lines 120-190) --\n'
cat -n tests/test_bench.py | sed -n '120,190p'

printf '\n== Search for venv path handling ==\n'
rg -n 'Scripts/python|bin/python|python.exe|venv' bench tests -S

Repository: blyatiful1/fable-protocol

Length of output: 5312

🏁 Script executed:

#!/usr/bin/env bash
set -euo pipefail

sed -n '1,120p' bench/run.sh | cat -n
printf '\n----\n'
sed -n '130,180p' tests/test_bench.py | cat -n

Repository: blyatiful1/fable-protocol

Length of output: 3522

🌐 Web query:

MSYS Bash execute path without .exe suffix python.exe windows bash CreateProcess PATHEXT

💡 Result:

MSYS2 Bash does not automatically use the Windows PATHEXT environment variable to resolve executables without their file extensions [1][2]. While Windows native APIs, specifically CreateProcess, utilize PATHEXT to resolve commands when the executable extension is omitted, Bash operates as a POSIX-compliant shell that searches for files based on execution permissions within the Linux-style environment [2][3][4]. Key technical points regarding this behavior: 1. Windows API Behavior: The Windows CreateProcess function automatically appends.exe if no extension is provided and the file is not found, or iterates through PATHEXT if the executable is not in the current directory [3][4][5]. However, this logic is specific to Windows shells like cmd.exe and PowerShell, not the Bash shell itself [1][2]. 2. MSYS2/Bash Limitations: Bash requires an explicit path or filename (including the extension, such as.exe) to execute a file, unless a specific mechanism is in place to bridge this gap [6][7]. Some common Windows binaries may appear to run without extensions in MSYS2 only because they are provided as symbolic links or wrapper scripts within the MSYS2 /usr/bin directory, not because the shell is natively resolving them via PATHEXT [6]. 3. Workarounds: Users typically handle this by: - Creating aliases in.bashrc (e.g., alias python=python.exe) [6]. - Defining a command_not_found_handle function in their.bashrc that intercepts command-not-found errors, iterates through PATHEXT, and attempts to execute the command if a matching file is found [6][7]. - Creating shell scripts or wrappers in a directory already in the PATH that call the intended Windows executable [8][9]. In summary, because Bash is an independent environment, it does not share the same command resolution logic as Windows cmd.exe, and it remains the user's responsibility to handle extension-less execution through shell-level configuration [2][7].

Citations:

• 1: https://sourceware.org/pipermail/cygwin/2005-April/131877.html
• 2: https://sourceware.org/pipermail/cygwin/2016-August/229004.html
• 3: https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-createprocessa
• 4: https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-createprocessw
• 5: Fix windows create process retry/path search ziglang/zig#2705
• 6: https://superuser.com/questions/1546664/git-bash-in-windows-requires-exe-extension-for-some-but-not-all-programs
• 7: obviate typing the filename extension for Windows executables microsoft/WSL#2003
• 8: https://superuser.com/questions/1731090/run-bash-scripts-without-typing-the-file-extension-the-right-way
• 9: https://unix.stackexchange.com/questions/612352/how-to-run-windows-executables-from-terminal-without-the-explicitly-specifying-t

🏁 Script executed:

#!/usr/bin/env bash
set -euo pipefail

rg -n '\bScripts/python(\.exe)?\b|python\.exe\b|PATHEXT|msys|cygwin' -S .

Repository: blyatiful1/fable-protocol

Length of output: 377

🌐 Web query:

Cygwin Bash execute file without .exe suffix path /usr/bin/python.exe direct path no extension

💡 Result:

In the Cygwin environment, you typically do not need to include the.exe suffix to execute a binary, as Cygwin handles extensionless executable files automatically [1][2][3]. However, the ability to invoke these files depends on how the command is called and the environment from which it is executed [4][5][6]. Understanding Cygwin Execution Behavior: 1. Cygwin Shells (Bash, etc.): Within a Cygwin terminal, Bash is "Cygwin-aware." It recognizes executable files based on their POSIX permissions (chmod +x) or specific "magic" heuristics (such as the presence of #!, MZ, or: headers), regardless of whether they have a.exe extension [7][2][3]. If /usr/bin/python is in your PATH, running 'python' in a Cygwin shell should work without the.exe suffix [8][6]. 2. Windows CMD/PowerShell: Windows applications, including cmd.exe, do not share this Cygwin-specific awareness [4][5]. They generally require the literal.exe extension to identify and execute a binary correctly [4][9]. If you attempt to run /usr/bin/python (a symlink) from Windows CMD, it will likely fail because CMD does not understand the Cygwin symlink format or the expectation of implicit extension handling [4][9]. Troubleshooting and Workarounds: * Direct Path Execution: If you need to execute a file by its direct path from a Windows-native context (or a program that behaves like one), you must provide the full path including the.exe extension (e.g., C:\cygwin64\bin\python3.9.exe) [4][5]. * Creating Explicit Copies: If you require a specific command name to work across both environments (Cygwin and Windows CMD), a common workaround is to create a physical copy of the executable (or a hard link, if supported by the filesystem) with the required extension [1][4][9]. Avoid symlinks if you need to call the file from non-Cygwin programs, as these programs often fail to resolve them [4][6]. * PATH Configuration: Ensure that the directory containing the desired.exe is included in the Windows system PATH if you need to call it by name from outside the Cygwin environment [8][5][6]. For managing different versions of binaries like Python, it is recommended to use the 'alternatives' command within Cygwin to point 'python' to the desired version, which maintains the appropriate symlink structure within the Cygwin environment [8][4].

Citations:

• 1: https://superuser.com/questions/1374741/running-an-exe-file-in-cygwin
• 2: https://sourceware.org/legacy-ml/cygwin/2009-05/msg00615.html
• 3: https://stackoverflow.com/questions/787522/why-is-it-that-cygwin-can-run-bat-scripts
• 4: https://sourceware.org/pipermail/cygwin/2025-October/258868.html
• 5: https://cygwin.com/pipermail/cygwin/2021-February/247709.html
• 6: https://stackoverflow.com/questions/13070289/calling-python-from-maven-in-a-cygwin-shell
• 7: https://superuser.com/questions/329336/how-do-i-mark-batch-files-as-executables-in-bash-cygwin
• 8: https://stackoverflow.com/questions/67711956/how-to-force-cygwin-to-run-specific-application-when-multiple-with-same-name-exi
• 9: https://sourceware.org/legacy-ml/cygwin/2004-09/msg00979.html

🏁 Script executed:

#!/usr/bin/env bash
set -euo pipefail

rg -n 'windows-latest|Git Bash|MSYS|cygwin|Windows' .github bench tests README* -S

Repository: blyatiful1/fable-protocol

Length of output: 10985

🏁 Script executed:

#!/usr/bin/env bash
set -euo pipefail

printf '\n-- bench/README.md --\n'
wc -l bench/README.md
cat -n bench/README.md | sed -n '1,140p'

printf '\n-- CI / benchmark mentions --\n'
rg -n 'bench/run.sh|benchmark arm|run one benchmark|bench/' README.md .github tests bench -S

Repository: blyatiful1/fable-protocol

Length of output: 7866

• bench/run.sh#L21-L24 (this comment)
• tests/test_bench.py#L140-L160

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Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

🏁 Script executed:

sed -n '120,220p' claude/hooks/pretool-destructive-guard.py
printf '\n--- tests/search ---\n'
rg -n "rd|rmdir|remove-item|pretool-destructive-guard|RM_INVOCATION|destructive-guard" claude tests .

Repository: blyatiful1/fable-protocol

Length of output: 50382

🏁 Script executed:

sed -n '240,290p' tests/test_destructive_guard.py
printf '\n--- powershell alias search ---\n'
rg -n "rmdir|rd|remove-item|Remove-Item|PowerShell" tests/test_destructive_guard.py claude/hooks/pretool-destructive-guard.py

Repository: blyatiful1/fable-protocol

Length of output: 13129

🏁 Script executed:

sed -n '1,120p' claude/hooks/pretool-destructive-guard.py
printf '\n--- around rm parser ---\n'
sed -n '150,210p' claude/hooks/pretool-destructive-guard.py

Repository: blyatiful1/fable-protocol

Length of output: 8957

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

🏁 Script executed:

#!/bin/bash
set -euo pipefail

# Map the file first
ast-grep outline tools/check-workflows.mjs --view expanded || true

# Show the relevant section with line numbers
sed -n '1,180p' tools/check-workflows.mjs | cat -n

# Run a read-only probe that mimics the string/comment stripping logic
python3 - <<'PY'
src = "const slash = /[//]/; Date.now()"
out = ""
i = 0
while i < len(src):
    c = src[i]
    c2 = src[i+1] if i + 1 < len(src) else ""
    if c == '/' and c2 == '/':
        while i < len(src) and src[i] != '\n':
            i += 1
        continue
    if c == '/' and c2 == '*':
        i += 2
        while i < len(src) and not (src[i] == '*' and i + 1 < len(src) and src[i+1] == '/'):
            i += 1
        i += 1
        continue
    if c == "'" or c == '"':
        i += 1
        while i < len(src) and src[i] != c:
            if src[i] == '\\':
                i += 1
            i += 1
        out += ' '
        continue
    out += c
    i += 1

print("INPUT:", src)
print("OUTPUT:", out)
print("contains Date.now:", "Date.now" in out)
PY

Repository: blyatiful1/fable-protocol

Length of output: 5819