[Updated] D12607: censor: make rhg fall back to python when encountering a censored node
aalekseyev (Arseniy Alekseyev)
phabricator at mercurial-scm.org
Mon May 9 15:53:27 UTC 2022
Closed by commit rHG80dfb8fe095a: censor: make rhg fall back to python when encountering a censored node (authored by aalekseyev).
This revision was automatically updated to reflect the committed changes.
REPOSITORY
rHG Mercurial
CHANGES SINCE LAST UPDATE
https://phab.mercurial-scm.org/D12607?vs=33359&id=33382
CHANGES SINCE LAST ACTION
https://phab.mercurial-scm.org/D12607/new/
REVISION DETAIL
https://phab.mercurial-scm.org/D12607
AFFECTED FILES
rust/hg-core/src/errors.rs
rust/hg-core/src/revlog/filelog.rs
rust/hg-core/src/revlog/revlog.rs
rust/rhg/src/error.rs
tests/test-censor.t
CHANGE DETAILS
diff --git a/tests/test-censor.t b/tests/test-censor.t
--- a/tests/test-censor.t
+++ b/tests/test-censor.t
@@ -10,10 +10,6 @@
#endif
- $ cat >> $HGRCPATH <<EOF
- > [extensions]
- > censor=
- > EOF
$ cp $HGRCPATH $HGRCPATH.orig
Create repo with unimpeachable content
@@ -81,7 +77,7 @@
(this also tests file pattern matching: path relative to cwd case)
$ mkdir -p foo/bar/baz
- $ hg --cwd foo/bar/baz censor -r $C2 -t "remove password" ../../../target
+ $ hg --config extensions.censor= --cwd foo/bar/baz censor -r $C2 -t "remove password" ../../../target
$ hg cat -r $H1 target | head -n 10
Tainted file is now sanitized
$ hg cat -r $H2 target | head -n 10
@@ -99,7 +95,7 @@
(this also tests file pattern matching: with 'path:' scheme)
- $ hg --cwd foo/bar/baz censor -r $C1 path:target
+ $ hg --config extensions.censor= --cwd foo/bar/baz censor -r $C1 path:target
$ hg cat -r $H1 target | head -n 10
Tainted file is now sanitized
$ hg cat -r $H2 target | head -n 10
@@ -242,7 +238,7 @@
$ echo 'advanced head H1' > target
$ hg ci -m 'advance head H1' target
$ H1=`hg id --debug -i`
- $ hg censor -r $C3 target
+ $ hg --config extensions.censor= censor -r $C3 target
$ hg update -r $H2
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg merge -r $C3
@@ -254,14 +250,14 @@
$ hg update -C -r $H2
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
- $ hg censor -r $H2 target
+ $ hg --config extensions.censor= censor -r $H2 target
abort: cannot censor file in heads (78a8fc215e79)
(clean/delete and commit first)
[255]
$ echo 'twiddling thumbs' > bystander
$ hg ci -m 'bystander commit'
$ H2=`hg id --debug -i`
- $ hg censor -r "$H2^" target
+ $ hg --config extensions.censor= censor -r "$H2^" target
abort: cannot censor file in heads (efbe78065929)
(clean/delete and commit first)
[255]
@@ -273,7 +269,7 @@
$ H2=`hg id --debug -i`
$ hg update -r "$H2^"
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
- $ hg censor -r . target
+ $ hg --config extensions.censor= censor -r . target
abort: cannot censor working directory
(clean/delete/update first)
[255]
@@ -286,7 +282,7 @@
$ hg rm target
$ hg ci -m 'delete target so it may be censored'
$ H2=`hg id --debug -i`
- $ hg censor -r $C4 target
+ $ hg --config extensions.censor= censor -r $C4 target
$ hg cat -r $C4 target | head -n 10
$ hg cat -r "$H2^^" target | head -n 10
Tainted file now super sanitized
@@ -314,7 +310,7 @@
$ hg revert -r "$H2^" target
$ hg ci -m 'cleaned 100k passwords'
$ H2=`hg id --debug -i`
- $ hg censor -r $C5 target
+ $ hg --config extensions.censor= censor -r $C5 target
$ hg cat -r $C5 target | head -n 10
$ hg cat -r $H2 target | head -n 10
fresh start
@@ -393,7 +389,7 @@
$ CLEANREV=$H2
$ hg cat -r $REV target | head -n 10
Passwords: hunter2hunter2
- $ hg censor -r $REV target
+ $ hg --config extensions.censor= censor -r $REV target
$ hg cat -r $REV target | head -n 10
$ hg cat -r $CLEANREV target | head -n 10
Re-sanitized; nothing to see here
@@ -503,7 +499,7 @@
Can import bundle where first revision of a file is censored
$ hg init ../rinit
- $ hg censor -r 0 target
+ $ hg --config extensions.censor= censor -r 0 target
$ hg bundle -r 0 --base null ../rinit/initbundle
1 changesets found
$ cd ../rinit
@@ -553,7 +549,7 @@
$ hg cat -r $B1 target | wc -l
*50002 (re)
- $ hg censor -r $B1 target
+ $ hg --config extensions.censor= censor -r $B1 target
$ hg cat -r $B1 target | wc -l
*0 (re)
diff --git a/rust/rhg/src/error.rs b/rust/rhg/src/error.rs
--- a/rust/rhg/src/error.rs
+++ b/rust/rhg/src/error.rs
@@ -73,6 +73,9 @@
HgError::UnsupportedFeature(message) => {
CommandError::unsupported(message)
}
+ HgError::CensoredNodeError => {
+ CommandError::unsupported("Encountered a censored node")
+ }
HgError::Abort {
message,
detailed_exit_code,
diff --git a/rust/hg-core/src/revlog/revlog.rs b/rust/hg-core/src/revlog/revlog.rs
--- a/rust/hg-core/src/revlog/revlog.rs
+++ b/rust/hg-core/src/revlog/revlog.rs
@@ -378,7 +378,7 @@
}
}
- pub fn is_cencored(&self) -> bool {
+ pub fn is_censored(&self) -> bool {
(self.flags & REVISION_FLAG_CENSORED) != 0
}
@@ -389,7 +389,7 @@
}
/// The data for this entry, after resolving deltas if any.
- pub fn data(&self) -> Result<Cow<'a, [u8]>, HgError> {
+ pub fn rawdata(&self) -> Result<Cow<'a, [u8]>, HgError> {
let mut entry = self.clone();
let mut delta_chain = vec![];
@@ -414,6 +414,13 @@
Revlog::build_data_from_deltas(entry, &delta_chain)?.into()
};
+ Ok(data)
+ }
+
+ fn check_data(
+ &self,
+ data: Cow<'a, [u8]>,
+ ) -> Result<Cow<'a, [u8]>, HgError> {
if self.revlog.check_hash(
self.p1,
self.p2,
@@ -426,6 +433,14 @@
}
}
+ pub fn data(&self) -> Result<Cow<'a, [u8]>, HgError> {
+ let data = self.rawdata()?;
+ if self.is_censored() {
+ return Err(HgError::CensoredNodeError)
+ }
+ self.check_data(data)
+ }
+
/// Extract the data contained in the entry.
/// This may be a delta. (See `is_delta`.)
fn data_chunk(&self) -> Result<Cow<'a, [u8]>, HgError> {
diff --git a/rust/hg-core/src/revlog/filelog.rs b/rust/hg-core/src/revlog/filelog.rs
--- a/rust/hg-core/src/revlog/filelog.rs
+++ b/rust/hg-core/src/revlog/filelog.rs
@@ -95,7 +95,7 @@
// Let’s call `file_data_len` what would be returned by
// `self.data().file_data().len()`.
- if self.0.is_cencored() {
+ if self.0.is_censored() {
let file_data_len = 0;
return other_len != file_data_len;
}
diff --git a/rust/hg-core/src/errors.rs b/rust/hg-core/src/errors.rs
--- a/rust/hg-core/src/errors.rs
+++ b/rust/hg-core/src/errors.rs
@@ -42,6 +42,9 @@
/// and syntax of each value.
#[from]
ConfigValueParseError(ConfigValueParseError),
+
+ /// Censored revision data.
+ CensoredNodeError,
}
/// Details about where an I/O error happened
@@ -101,6 +104,9 @@
HgError::UnsupportedFeature(explanation) => {
write!(f, "unsupported feature: {}", explanation)
}
+ HgError::CensoredNodeError => {
+ write!(f, "encountered a censored node")
+ }
HgError::ConfigValueParseError(error) => error.fmt(f),
}
}
To: aalekseyev, #hg-reviewers, Alphare
Cc: mercurial-patches
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