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Prevent no branches #1074

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Prevent no branches #1074

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269d7e0
ignore
Oct 9, 2022
a98426c
sanitize undefined in LDFLAGS
Oct 9, 2022
d82e00a
add some unit tests for branches update
Oct 9, 2022
f5937ad
return ENOTSUP when branches empty after update
Oct 9, 2022
ece486d
error out when no branches left
Oct 9, 2022
f283cba
py3 + decode utf-8 in git2debcl for é
Oct 9, 2022
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6 changes: 6 additions & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,8 @@
# build artifacts
mergerfs
obj/
*.d
build/
src/version.hpp

# Debian files
Expand All @@ -23,3 +25,7 @@ debian/changelog

# RPM files
rpmbuild/

# IDEs
\.idea/
VERSION
4 changes: 4 additions & 0 deletions Makefile
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Expand Up @@ -93,6 +93,10 @@ LDFLAGS := \
-pthread \
-lrt

ifeq ($(DEBUG),1)
LDFLAGS := ${LDFLAGS} -fsanitize=undefined
endif

DESTDIR =
PREFIX = /usr/local
EXEC_PREFIX = $(PREFIX)
Expand Down
16 changes: 12 additions & 4 deletions src/branches.cpp
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Expand Up @@ -80,11 +80,8 @@ namespace l
uint64_t offset;

offset = s_.find_first_not_of("+<>-=");
if(offset > 1)
offset = 2;
*values_ = ((offset != std::string::npos) ? s_.substr(offset) : "");
*instr_ = s_.substr(0,offset);
if(offset != std::string::npos)
*values_ = s_.substr(offset);
}

static
Expand Down Expand Up @@ -205,6 +202,9 @@ namespace l
Branches::Impl tmp_branches(branches_->minfreespace());

str::split(str_,':',&paths);
if (paths.empty())
return -ENOTSUP;

for(auto &path : paths)
{
rv = l::parse(path,&tmp_branches);
Expand Down Expand Up @@ -269,6 +269,9 @@ namespace l
int
erase_begin(Branches::Impl *branches_)
{
if (branches_->size() <= 1)
return -ENOTSUP;

branches_->erase(branches_->begin());

return 0;
Expand All @@ -278,6 +281,9 @@ namespace l
int
erase_end(Branches::Impl *branches_)
{
if (branches_->size() <= 1)
return -ENOTSUP;

branches_->pop_back();

return 0;
Expand All @@ -299,6 +305,8 @@ namespace l
{
match = ::fnmatch(pi->c_str(),i->path.c_str(),0);
}
if (match == 0 && branches_->size() == 1)
return -ENOTSUP;

i = ((match == 0) ? branches_->erase(i) : (i+1));
}
Expand Down
62 changes: 62 additions & 0 deletions tests/tests.cpp
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Expand Up @@ -115,6 +115,67 @@ test_config_branches()
TEST_CHECK(b.from_string("./foo/bar:/bar/baz:blah/asdf") == 0);
}


void
test_config_update_branches()
{
uint64_t minfreespace;
Branches b(minfreespace);

minfreespace = 1234;

//
TEST_CHECK(b.from_string("/first:/second") == 0);

TEST_CHECK(b.from_string("-/first") == 0);
TEST_CHECK(b.to_string() == "/second=RW");

TEST_CHECK(b.from_string("+>/last") == 0);
TEST_CHECK(b.to_string() == "/second=RW:/last=RW");

TEST_CHECK(b.from_string("+/last") == 0);
TEST_CHECK(b.to_string() == "/second=RW:/last=RW:/last=RW");

//
TEST_CHECK(b.from_string("/second") == 0);

TEST_CHECK(b.from_string("+</first") == 0);
TEST_CHECK(b.to_string() == "/first=RW:/second=RW");

//
TEST_CHECK(b.from_string("/first:/second") == 0);
TEST_CHECK(b.from_string("-/second") == 0);
TEST_CHECK(b.to_string() == "/first=RW");

//
TEST_CHECK(b.from_string("/first:/second") == 0);

TEST_CHECK(b.from_string("->") == 0);
TEST_CHECK(b.to_string() == "/first=RW");

//
TEST_CHECK(b.from_string("/first:/second") == 0);

TEST_CHECK(b.from_string("-<") == 0);
TEST_CHECK(b.to_string() == "/second=RW");

//
TEST_CHECK(b.from_string("=/dir") == 0);
TEST_CHECK(b.to_string() == "/dir=RW");
TEST_CHECK(b.from_string("/dir") == 0);
TEST_CHECK(b.to_string() == "/dir=RW");

// error out when no branches left
TEST_CHECK(b.from_string("=/dir") == 0);
TEST_CHECK(b.from_string("-/dir") < 0);
TEST_CHECK(b.from_string("-<") < 0);
TEST_CHECK(b.from_string("->") < 0);

// error out when setting empty branches
TEST_CHECK(b.from_string("=") < 0);
TEST_CHECK(b.from_string("") < 0);
}

void
test_config_cachefiles()
{
Expand Down Expand Up @@ -274,6 +335,7 @@ TEST_LIST =
{"config_int",test_config_int},
{"config_str",test_config_str},
{"config_branches",test_config_branches},
{"config_update_branches",test_config_update_branches},
{"config_cachefiles",test_config_cachefiles},
{"config_inodecalc",test_config_inodecalc},
{"config_moveonenospc",test_config_moveonenospc},
Expand Down
4 changes: 2 additions & 2 deletions tools/git2debcl
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
#!/usr/bin/env python
#!/usr/bin/env python3

# Copyright (c) 2016, Antonio SJ Musumeci <trapexit@spawn.link>

Expand All @@ -19,7 +19,7 @@ import subprocess
import argparse

def call(args):
return subprocess.Popen(args,stdout=subprocess.PIPE).communicate()[0].decode()
return subprocess.Popen(args,stdout=subprocess.PIPE).communicate()[0].decode('utf-8')

def git_tags():
args = ["git", "tag", '-l']
Expand Down