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core: C++-ify SHA1 interface

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All callers of the SHA1 code are C++. Might just as well use
a C++ like interface.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2024-04-23 21:30:40 +08:00 • committed by bstoeger
parent 729356e0b1
commit 21f68387ae
6 changed files with 71 additions and 78 deletions
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13
core/git-access.cpp
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@ -135,9 +135,6 @@ std::string normalize_cloud_name(const std::string &remote_in)
std::string get_local_dir(const std::string &url, const std::string &branch)
{
SHA_CTX ctx;
unsigned char hash[20];
// this optimization could in theory lead to odd things happening if the
// cloud backend servers ever get out of sync - but when a user switches
// between those servers (either because one is down, or because the algorithm
@ -148,11 +145,11 @@ std::string get_local_dir(const std::string &url, const std::string &branch)
// That zero-byte update is so that we don't get hash
// collisions for "repo1 branch" vs "repo 1branch".
SHA1_Init(&ctx);
SHA1_Update(&ctx, remote.c_str(), remote.size());
SHA1_Update(&ctx, "", 1);
SHA1_Update(&ctx, branch.c_str(), branch.size());
SHA1_Final(hash, &ctx);
SHA1 sha;
sha.update(remote);
sha.update("", 1);
sha.update(branch);
auto hash = sha.hash();
return format_string_std("%s/cloudstorage/%02x%02x%02x%02x%02x%02x%02x%02x",
system_default_directory(),
hash[0], hash[1], hash[2], hash[3],