Initial commit
This commit is contained in:
commit
5c96beea07
1
.gitignore
vendored
Normal file
1
.gitignore
vendored
Normal file
|
|
@ -0,0 +1 @@
|
|||
/target
|
||||
426
Cargo.lock
generated
Normal file
426
Cargo.lock
generated
Normal file
|
|
@ -0,0 +1,426 @@
|
|||
# This file is automatically @generated by Cargo.
|
||||
# It is not intended for manual editing.
|
||||
version = 3
|
||||
|
||||
[[package]]
|
||||
name = "anstream"
|
||||
version = "0.6.13"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d96bd03f33fe50a863e394ee9718a706f988b9079b20c3784fb726e7678b62fb"
|
||||
dependencies = [
|
||||
"anstyle",
|
||||
"anstyle-parse",
|
||||
"anstyle-query",
|
||||
"anstyle-wincon",
|
||||
"colorchoice",
|
||||
"utf8parse",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "anstyle"
|
||||
version = "1.0.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8901269c6307e8d93993578286ac0edf7f195079ffff5ebdeea6a59ffb7e36bc"
|
||||
|
||||
[[package]]
|
||||
name = "anstyle-parse"
|
||||
version = "0.2.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "c75ac65da39e5fe5ab759307499ddad880d724eed2f6ce5b5e8a26f4f387928c"
|
||||
dependencies = [
|
||||
"utf8parse",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "anstyle-query"
|
||||
version = "1.0.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e28923312444cdd728e4738b3f9c9cac739500909bb3d3c94b43551b16517648"
|
||||
dependencies = [
|
||||
"windows-sys",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "anstyle-wincon"
|
||||
version = "3.0.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1cd54b81ec8d6180e24654d0b371ad22fc3dd083b6ff8ba325b72e00c87660a7"
|
||||
dependencies = [
|
||||
"anstyle",
|
||||
"windows-sys",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "bitflags"
|
||||
version = "2.5.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "cf4b9d6a944f767f8e5e0db018570623c85f3d925ac718db4e06d0187adb21c1"
|
||||
|
||||
[[package]]
|
||||
name = "cc"
|
||||
version = "1.0.96"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "065a29261d53ba54260972629f9ca6bffa69bac13cd1fed61420f7fa68b9f8bd"
|
||||
dependencies = [
|
||||
"jobserver",
|
||||
"libc",
|
||||
"once_cell",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "clap"
|
||||
version = "4.5.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "90bc066a67923782aa8515dbaea16946c5bcc5addbd668bb80af688e53e548a0"
|
||||
dependencies = [
|
||||
"clap_builder",
|
||||
"clap_derive",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "clap_builder"
|
||||
version = "4.5.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ae129e2e766ae0ec03484e609954119f123cc1fe650337e155d03b022f24f7b4"
|
||||
dependencies = [
|
||||
"anstream",
|
||||
"anstyle",
|
||||
"clap_lex",
|
||||
"strsim",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "clap_derive"
|
||||
version = "4.5.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "528131438037fd55894f62d6e9f068b8f45ac57ffa77517819645d10aed04f64"
|
||||
dependencies = [
|
||||
"heck",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "clap_lex"
|
||||
version = "0.7.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "98cc8fbded0c607b7ba9dd60cd98df59af97e84d24e49c8557331cfc26d301ce"
|
||||
|
||||
[[package]]
|
||||
name = "colorchoice"
|
||||
version = "1.0.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
|
||||
|
||||
[[package]]
|
||||
name = "form_urlencoded"
|
||||
version = "1.2.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e13624c2627564efccf4934284bdd98cbaa14e79b0b5a141218e507b3a823456"
|
||||
dependencies = [
|
||||
"percent-encoding",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "gerrit-filter-branch"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"clap",
|
||||
"git2",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "git2"
|
||||
version = "0.18.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "232e6a7bfe35766bf715e55a88b39a700596c0ccfd88cd3680b4cdb40d66ef70"
|
||||
dependencies = [
|
||||
"bitflags",
|
||||
"libc",
|
||||
"libgit2-sys",
|
||||
"log",
|
||||
"openssl-probe",
|
||||
"openssl-sys",
|
||||
"url",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "heck"
|
||||
version = "0.5.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
|
||||
|
||||
[[package]]
|
||||
name = "idna"
|
||||
version = "0.5.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "634d9b1461af396cad843f47fdba5597a4f9e6ddd4bfb6ff5d85028c25cb12f6"
|
||||
dependencies = [
|
||||
"unicode-bidi",
|
||||
"unicode-normalization",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "jobserver"
|
||||
version = "0.1.31"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d2b099aaa34a9751c5bf0878add70444e1ed2dd73f347be99003d4577277de6e"
|
||||
dependencies = [
|
||||
"libc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "libc"
|
||||
version = "0.2.154"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ae743338b92ff9146ce83992f766a31066a91a8c84a45e0e9f21e7cf6de6d346"
|
||||
|
||||
[[package]]
|
||||
name = "libgit2-sys"
|
||||
version = "0.16.2+1.7.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ee4126d8b4ee5c9d9ea891dd875cfdc1e9d0950437179104b183d7d8a74d24e8"
|
||||
dependencies = [
|
||||
"cc",
|
||||
"libc",
|
||||
"libssh2-sys",
|
||||
"libz-sys",
|
||||
"openssl-sys",
|
||||
"pkg-config",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "libssh2-sys"
|
||||
version = "0.3.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2dc8a030b787e2119a731f1951d6a773e2280c660f8ec4b0f5e1505a386e71ee"
|
||||
dependencies = [
|
||||
"cc",
|
||||
"libc",
|
||||
"libz-sys",
|
||||
"openssl-sys",
|
||||
"pkg-config",
|
||||
"vcpkg",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "libz-sys"
|
||||
version = "1.1.16"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5e143b5e666b2695d28f6bca6497720813f699c9602dd7f5cac91008b8ada7f9"
|
||||
dependencies = [
|
||||
"cc",
|
||||
"libc",
|
||||
"pkg-config",
|
||||
"vcpkg",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "log"
|
||||
version = "0.4.21"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "90ed8c1e510134f979dbc4f070f87d4313098b704861a105fe34231c70a3901c"
|
||||
|
||||
[[package]]
|
||||
name = "once_cell"
|
||||
version = "1.19.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
|
||||
|
||||
[[package]]
|
||||
name = "openssl-probe"
|
||||
version = "0.1.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
|
||||
|
||||
[[package]]
|
||||
name = "openssl-sys"
|
||||
version = "0.9.102"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "c597637d56fbc83893a35eb0dd04b2b8e7a50c91e64e9493e398b5df4fb45fa2"
|
||||
dependencies = [
|
||||
"cc",
|
||||
"libc",
|
||||
"pkg-config",
|
||||
"vcpkg",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "percent-encoding"
|
||||
version = "2.3.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
|
||||
|
||||
[[package]]
|
||||
name = "pkg-config"
|
||||
version = "0.3.30"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d231b230927b5e4ad203db57bbcbee2802f6bce620b1e4a9024a07d94e2907ec"
|
||||
|
||||
[[package]]
|
||||
name = "proc-macro2"
|
||||
version = "1.0.81"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "3d1597b0c024618f09a9c3b8655b7e430397a36d23fdafec26d6965e9eec3eba"
|
||||
dependencies = [
|
||||
"unicode-ident",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "quote"
|
||||
version = "1.0.36"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0fa76aaf39101c457836aec0ce2316dbdc3ab723cdda1c6bd4e6ad4208acaca7"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "strsim"
|
||||
version = "0.11.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
|
||||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
version = "2.0.60"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "909518bc7b1c9b779f1bbf07f2929d35af9f0f37e47c6e9ef7f9dddc1e1821f3"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"unicode-ident",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "tinyvec"
|
||||
version = "1.6.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "87cc5ceb3875bb20c2890005a4e226a4651264a5c75edb2421b52861a0a0cb50"
|
||||
dependencies = [
|
||||
"tinyvec_macros",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "tinyvec_macros"
|
||||
version = "0.1.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
|
||||
|
||||
[[package]]
|
||||
name = "unicode-bidi"
|
||||
version = "0.3.15"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "08f95100a766bf4f8f28f90d77e0a5461bbdb219042e7679bebe79004fed8d75"
|
||||
|
||||
[[package]]
|
||||
name = "unicode-ident"
|
||||
version = "1.0.12"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
|
||||
|
||||
[[package]]
|
||||
name = "unicode-normalization"
|
||||
version = "0.1.23"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a56d1686db2308d901306f92a263857ef59ea39678a5458e7cb17f01415101f5"
|
||||
dependencies = [
|
||||
"tinyvec",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "url"
|
||||
version = "2.5.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "31e6302e3bb753d46e83516cae55ae196fc0c309407cf11ab35cc51a4c2a4633"
|
||||
dependencies = [
|
||||
"form_urlencoded",
|
||||
"idna",
|
||||
"percent-encoding",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "utf8parse"
|
||||
version = "0.2.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
|
||||
|
||||
[[package]]
|
||||
name = "vcpkg"
|
||||
version = "0.2.15"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
|
||||
|
||||
[[package]]
|
||||
name = "windows-sys"
|
||||
version = "0.52.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
|
||||
dependencies = [
|
||||
"windows-targets",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows-targets"
|
||||
version = "0.52.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6f0713a46559409d202e70e28227288446bf7841d3211583a4b53e3f6d96e7eb"
|
||||
dependencies = [
|
||||
"windows_aarch64_gnullvm",
|
||||
"windows_aarch64_msvc",
|
||||
"windows_i686_gnu",
|
||||
"windows_i686_gnullvm",
|
||||
"windows_i686_msvc",
|
||||
"windows_x86_64_gnu",
|
||||
"windows_x86_64_gnullvm",
|
||||
"windows_x86_64_msvc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_gnullvm"
|
||||
version = "0.52.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7088eed71e8b8dda258ecc8bac5fb1153c5cffaf2578fc8ff5d61e23578d3263"
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_msvc"
|
||||
version = "0.52.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9985fd1504e250c615ca5f281c3f7a6da76213ebd5ccc9561496568a2752afb6"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnu"
|
||||
version = "0.52.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "88ba073cf16d5372720ec942a8ccbf61626074c6d4dd2e745299726ce8b89670"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnullvm"
|
||||
version = "0.52.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "87f4261229030a858f36b459e748ae97545d6f1ec60e5e0d6a3d32e0dc232ee9"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_msvc"
|
||||
version = "0.52.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "db3c2bf3d13d5b658be73463284eaf12830ac9a26a90c717b7f771dfe97487bf"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnu"
|
||||
version = "0.52.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "4e4246f76bdeff09eb48875a0fd3e2af6aada79d409d33011886d3e1581517d9"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnullvm"
|
||||
version = "0.52.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "852298e482cd67c356ddd9570386e2862b5673c85bd5f88df9ab6802b334c596"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_msvc"
|
||||
version = "0.52.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "bec47e5bfd1bff0eeaf6d8b485cc1074891a197ab4225d504cb7a1ab88b02bf0"
|
||||
10
Cargo.toml
Normal file
10
Cargo.toml
Normal file
|
|
@ -0,0 +1,10 @@
|
|||
[package]
|
||||
name = "gerrit-filter-branch"
|
||||
version = "0.1.0"
|
||||
edition = "2021"
|
||||
|
||||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||
|
||||
[dependencies]
|
||||
clap = { version = "4.5.4", features = ["derive"] }
|
||||
git2 = "0.18.3"
|
||||
251
src/main.rs
Normal file
251
src/main.rs
Normal file
|
|
@ -0,0 +1,251 @@
|
|||
use std::collections::{HashMap, HashSet};
|
||||
|
||||
use clap::Parser;
|
||||
use git2::{Oid, Repository, Signature};
|
||||
|
||||
#[derive(Parser, Debug)]
|
||||
#[command(version, about, long_about = None)]
|
||||
struct Args {
|
||||
#[arg(short, long)]
|
||||
/// The path to the repository to rewrite.
|
||||
repo: String,
|
||||
|
||||
#[arg(short, long)]
|
||||
/// The email address to look for.
|
||||
rewrite_email: String,
|
||||
|
||||
#[arg(short, long)]
|
||||
/// The author/committer name to replace the old one with.
|
||||
new_name: String,
|
||||
|
||||
#[arg(short, long)]
|
||||
/// The author/committer email to replace the old one with.
|
||||
new_email: String,
|
||||
}
|
||||
|
||||
struct State {
|
||||
repo: git2::Repository,
|
||||
rewritten: HashMap<Oid, Oid>,
|
||||
unrewritten: HashSet<Oid>,
|
||||
args: Args,
|
||||
}
|
||||
|
||||
impl State {
|
||||
/// Recursively rewrite a non-meta commit.
|
||||
fn rewrite(&mut self, oid: Oid) -> Oid {
|
||||
if self.unrewritten.contains(&oid) {
|
||||
return oid;
|
||||
}
|
||||
|
||||
if let Some(oid) = self.rewritten.get(&oid) {
|
||||
return *oid;
|
||||
}
|
||||
|
||||
let mut commit = self.repo.find_commit(oid).unwrap();
|
||||
// If the email address matches, we will have to rewrite this commit either way, even if parent IDs match.
|
||||
let rewrite_author = commit.author().email().unwrap() == &self.args.rewrite_email;
|
||||
|
||||
let parent_ids: Vec<_> = commit.parent_ids().collect();
|
||||
drop(commit);
|
||||
|
||||
let mut new_parent_ids = Vec::new();
|
||||
let mut same_parents = true;
|
||||
// Rewrite the parents of this commit recursively.
|
||||
for id in parent_ids {
|
||||
let new_id = self.rewrite(id);
|
||||
if new_id != id {
|
||||
// Keep track if the parents are identical cheaply.
|
||||
same_parents = false;
|
||||
}
|
||||
new_parent_ids.push(new_id);
|
||||
}
|
||||
|
||||
// If this commit has nothing to rewrite, skip it now.
|
||||
if same_parents && !rewrite_author {
|
||||
self.unrewritten.insert(oid);
|
||||
return oid;
|
||||
}
|
||||
|
||||
commit = self.repo.find_commit(oid).unwrap();
|
||||
|
||||
// Find the list of new parent commits for this commit.
|
||||
let new_parents: Vec<_> = new_parent_ids
|
||||
.into_iter()
|
||||
.map(|f| self.repo.find_commit(f).unwrap())
|
||||
.collect();
|
||||
let new_parents_list: Vec<_> = new_parents.iter().collect();
|
||||
|
||||
// Rewrite author and committer respectively, where necessary.
|
||||
let mut author = commit.author().to_owned();
|
||||
if author.email().unwrap() == &self.args.rewrite_email {
|
||||
author =
|
||||
Signature::new(&self.args.new_name, &self.args.new_email, &author.when()).unwrap();
|
||||
}
|
||||
|
||||
let mut committer = commit.committer().to_owned();
|
||||
if committer.email().unwrap() == &self.args.rewrite_email {
|
||||
committer =
|
||||
Signature::new(&self.args.new_name, &self.args.new_email, &committer.when())
|
||||
.unwrap();
|
||||
}
|
||||
|
||||
// Generate a new commit (Commit::amend doesn't work when changing parents.)
|
||||
let new_id = self
|
||||
.repo
|
||||
.commit(
|
||||
None,
|
||||
&author,
|
||||
&committer,
|
||||
commit.message_raw().unwrap(),
|
||||
&commit.tree().unwrap(),
|
||||
&new_parents_list[..],
|
||||
)
|
||||
.unwrap();
|
||||
|
||||
self.rewritten.insert(oid, new_id);
|
||||
|
||||
new_id
|
||||
}
|
||||
|
||||
/// Rewrite a comment/meta commit.
|
||||
fn rewrite_meta(&mut self, oid: Oid) -> Oid {
|
||||
let mut commit = self.repo.find_commit(oid).unwrap();
|
||||
|
||||
// A notedb commit always has one parent; simplify the logic and rewrite the parent if needed.
|
||||
let mut parent = None;
|
||||
if commit.parent_count() > 0 {
|
||||
let parent_oid = commit.parent_id(0).unwrap();
|
||||
drop(commit);
|
||||
let new_meta = self.rewrite_meta(parent_oid);
|
||||
parent = Some(self.repo.find_commit(new_meta).unwrap());
|
||||
commit = self.repo.find_commit(oid).unwrap();
|
||||
}
|
||||
|
||||
let tree = commit.tree().unwrap();
|
||||
let mut builder = self.repo.treebuilder(None).unwrap();
|
||||
|
||||
// Notedb comment files are always in the root of the tree.
|
||||
for entry in &tree {
|
||||
let name = entry.name().unwrap();
|
||||
|
||||
// The name of the meta file is a valid OID of a commit.
|
||||
let oid = Oid::from_str(name).expect("unexpected filename");
|
||||
|
||||
// Find the new OID to use for the filename.
|
||||
let newoid = if self.unrewritten.contains(&oid) {
|
||||
oid
|
||||
} else {
|
||||
*self.rewritten.get(&oid).unwrap()
|
||||
};
|
||||
|
||||
let blob = self.repo.find_blob(entry.id()).unwrap();
|
||||
let content = std::str::from_utf8(blob.content()).unwrap();
|
||||
let mut newcontent = content.to_owned();
|
||||
// Rewrite each commit ID that we've rewritten so far.
|
||||
// This is a hack: the data is JSON and we could parse it as such, but this will be likely as reliable,
|
||||
// and SHA1 hashes are unique enough we don't have to worry about accidental misrewrites causing invalid data.
|
||||
for (from, to) in &self.rewritten {
|
||||
newcontent = newcontent.replace(&from.to_string(), &to.to_string());
|
||||
}
|
||||
|
||||
// Store as a blob, and insert into the tree using the rewritten OID's name.
|
||||
let blob = self.repo.blob(newcontent.as_bytes()).unwrap();
|
||||
builder
|
||||
.insert(newoid.to_string(), blob, entry.filemode_raw())
|
||||
.unwrap();
|
||||
}
|
||||
|
||||
// Write the tree to disk.
|
||||
let newtree = builder.write().unwrap();
|
||||
|
||||
// Replace the rewritten OIDs in the update messages too.
|
||||
// This is a hack: see above for why it's fine.
|
||||
let mut message = commit.message_raw().unwrap().to_string();
|
||||
for (from, to) in &self.rewritten {
|
||||
message = message.replace(&from.to_string(), &to.to_string());
|
||||
}
|
||||
|
||||
// Write the commit back to disk.
|
||||
if let Some(parent) = parent.as_ref() {
|
||||
self.repo
|
||||
.commit(
|
||||
None,
|
||||
&commit.author(),
|
||||
&commit.committer(),
|
||||
&message,
|
||||
&self.repo.find_tree(newtree).unwrap(),
|
||||
&[parent],
|
||||
)
|
||||
.unwrap()
|
||||
} else {
|
||||
self.repo
|
||||
.commit(
|
||||
None,
|
||||
&commit.author(),
|
||||
&commit.committer(),
|
||||
&message,
|
||||
&self.repo.find_tree(newtree).unwrap(),
|
||||
&[],
|
||||
)
|
||||
.unwrap()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn main() {
|
||||
let args = Args::parse();
|
||||
let repo = args.repo.clone();
|
||||
|
||||
let mut state = State {
|
||||
repo: Repository::open_bare(repo).unwrap(),
|
||||
rewritten: HashMap::new(),
|
||||
unrewritten: HashSet::new(),
|
||||
args,
|
||||
};
|
||||
|
||||
let refs: Vec<String> = state
|
||||
.repo
|
||||
.references()
|
||||
.unwrap()
|
||||
.names()
|
||||
.map(|f| f.unwrap().to_owned())
|
||||
.collect();
|
||||
|
||||
// First rewrite the non-meta references, as the meta references will always refer to these.
|
||||
for gref in &refs {
|
||||
if gref.ends_with("/meta") {
|
||||
continue;
|
||||
}
|
||||
|
||||
let refoid = state.repo.find_reference(&gref).unwrap().target().unwrap();
|
||||
let newoid = state.rewrite(refoid);
|
||||
if refoid != newoid {
|
||||
println!("{:?}: {:?} -> {:?}", gref, refoid, newoid);
|
||||
state
|
||||
.repo
|
||||
.reference(&gref, newoid, true, "filter-branch rewrite")
|
||||
.unwrap();
|
||||
} else {
|
||||
println!("{:?}: {:?} (unchanged)", gref, refoid);
|
||||
}
|
||||
}
|
||||
|
||||
for gref in &refs {
|
||||
if !gref.ends_with("/meta") {
|
||||
continue;
|
||||
}
|
||||
|
||||
let refoid = state.repo.find_reference(&gref).unwrap().target().unwrap();
|
||||
let newoid = state.rewrite_meta(refoid);
|
||||
|
||||
if refoid != newoid {
|
||||
println!("{:?}: {:?} -> {:?}", gref, refoid, newoid);
|
||||
state
|
||||
.repo
|
||||
.reference(&gref, newoid, true, "filter-branch rewrite")
|
||||
.unwrap();
|
||||
} else {
|
||||
println!("{:?}: {:?} (unchanged)", gref, refoid);
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue