rustdesk/rustdesk · error · Exception

DRMTAP_SHA must be a full 40-character commit sha, got {LIBD

Error message

DRMTAP_SHA must be a full 40-character commit sha, got {LIBDRMTAP_SHA!r}

What it means

Error "DRMTAP_SHA must be a full 40-character commit sha, got {LIBDRMTAP_SHA!r}" thrown in rustdesk/rustdesk.

Source

Thrown at build.py:456

            ('DRMTAP_REPO', LIBDRMTAP_REPO, LIBDRMTAP_REPO_PINNED),
            ('DRMTAP_SHA', LIBDRMTAP_SHA, LIBDRMTAP_SHA_PINNED),
            ('DRMTAP_PREBUILT_DIR', prebuilt, None),
        )
        if value != pinned
    ]
    if overridden and not DRMTAP_UNPINNED_OK:
        raise Exception(
            f'{", ".join(overridden)} would build libdrmtap from something other than the pinned '
            f'{LIBDRMTAP_REPO_PINNED} at {LIBDRMTAP_SHA_PINNED}. That is supported for local work and '
            'cross-builds, but it has to be deliberate: set DRMTAP_ALLOW_UNPINNED=1 as well.')
    if overridden:
        print(f'WARNING: libdrmtap is NOT the pinned build ({", ".join(overridden)} set)')
    # Both are interpolated into shell commands below, and both are env-overridable, so validate
    # their SHAPE before they get there. This is not only about a hostile environment: a truncated
    # or abbreviated sha would otherwise reach `git fetch` and fail with something far less obvious
    # than saying so here, and an abbreviated one would defeat the point of pinning.
    if not re.fullmatch(r'[0-9a-f]{40}', LIBDRMTAP_SHA):
        raise Exception(
            f'DRMTAP_SHA must be a full 40-character commit sha, got {LIBDRMTAP_SHA!r}')
    if not re.fullmatch(r'(https://|git@)[A-Za-z0-9._~:/@-]+', LIBDRMTAP_REPO):
        raise Exception(f'DRMTAP_REPO does not look like a git remote url: {LIBDRMTAP_REPO!r}')


def _single_real_so(paths, where):
    # Return the one real libdrmtap.so.0.* object among `paths`, failing if there are zero or several.
    # glob order is arbitrary, so silently taking [0] could ship a stale or wrong-arch object left
    # over from an earlier build; a mismatch should fail the build loudly instead.
    real = sorted(p for p in paths if os.path.isfile(p) and not os.path.islink(p))
    if len(real) != 1:
        raise Exception(
            f'expected exactly one real libdrmtap.so.0.* in {where}, found {len(real)}: {real}')
    return real[0]


def build_libdrmtap_so():
    # Build libdrmtap.so from the rustdesk-org fork, fetched at the pinned LIBDRMTAP_SHA. The

View on GitHub (pinned to 7aa98d43cf)

When it happens

Trigger: Thrown at build.py:456 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of rustdesk/rustdesk@7aa98d43cf (2026-08-16). Data as JSON: /api/errors/00498f34610ec7be. Report an issue: GitHub.