| Commit message (Collapse) | Author | Age |
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Let's always write "1 << 0", "1 << 1" and so on, except where we need
more than 31 flag bits, where we write "UINT64(1) << 0", and so on to force
64bit values.
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We do this checks as protection against bind mount cycles on the same
file system. However, the check wasn't really effective for that, as
it would only detect cycles A → B → A this way. By using
fs_is_mount_point() we'll also detect cycles A → A.
Also, while we are at it, make these file system boundary checks
optional. This is not used anywhere, but might be eventually...
Most importantly though add a longer blurb explanation the why.
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Let's use the usual 1U << 0,1,2,3,4 spelling for definiting flags enums.
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Optionally, when we copy between fds with simple read/write, let's
return any remaining data we already read into the buffer if write
fails. This is useful to allow callers to use the read data otherwise,
perhaps implementing a different fallback for copying.
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Files which are installed as-is (any .service and other unit files, .conf
files, .policy files, etc), are left as is. My assumption is that SPDX
identifiers are not yet that well known, so it's better to retain the
extended header to avoid any doubt.
I also kept any copyright lines. We can probably remove them, but it'd nice to
obtain explicit acks from all involved authors before doing that.
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This changes the file copy logic of machined to set the UID/GID of all
copied files to 0 if the host and container do not share the same user
namespace.
Fixes: #4078
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This adds a unified "copy_flags" parameter to all copy_xyz() function
calls, replacing the various boolean flags so far used. This should make
many invocations more readable as it is clear what behaviour is
precisely requested. This also prepares ground for adding support for
more modes later on.
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This should be handled fine now by .dir-locals.el, so need to carry that
stuff in every file.
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Although having a two line mask like
/// UNNEEDED by elogind
#if 0
it is much more easier to read (and patch!) if those two lines were
condense into a one-line mask start like
#if 0 /// UNNEEDED by elogind
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Although it looks very ugly, substitute all declaration masks of the
form:
// UNNEEDED type foo(...);
with:
/// UNNEEDED by elogind
#if 0
type foo(...);
#endif // 0
to make future merging of upstream pathes easier, as the relevant
lines themselves are not changed any more.
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Apply remaining fixes and the performed move of utility functions
into their own foo-util.[hc] files on libbasic.
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needed by pager.c
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