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author | Carlos Martín Nieto <cmn@dwim.me> | 2015-04-23 17:23:04 +0200 |
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committer | Carlos Martín Nieto <cmn@dwim.me> | 2015-04-23 17:23:04 +0200 |
commit | 69c333f997f4a798082e28d5a3e2bc69f8dfdf09 (patch) | |
tree | b18702ea9259ebee24a54f40edbcfd819278f9e9 | |
parent | 63e8b08dfcaa039e7bbbcfa4b5cdcea8bddf13c0 (diff) | |
parent | 9a810c5e336afe10188c7cf3fb68c598d3c2a876 (diff) | |
download | libgit2-69c333f997f4a798082e28d5a3e2bc69f8dfdf09.tar.gz |
Merge pull request #3064 from rcorre/config-write-fix
config_write -- handle duplicate section headers when deleting entries
-rw-r--r-- | src/config_file.c | 5 | ||||
-rw-r--r-- | tests/config/write.c | 38 |
2 files changed, 42 insertions, 1 deletions
diff --git a/src/config_file.c b/src/config_file.c index 350473434..7c6cb81fe 100644 --- a/src/config_file.c +++ b/src/config_file.c @@ -1460,9 +1460,12 @@ static int config_write(diskfile_backend *cfg, const char *key, const regex_t *p * don't loose that information, but we only need to * update post_start if we're going to use it in this * iteration. + * If the section doesn't match and we are trying to delete an entry + * (value == NULL), we must continue searching; there may be another + * matching section later. */ if (!section_matches) { - if (!last_section_matched) { + if (!last_section_matched || value == NULL) { reader_consume_line(reader); continue; } diff --git a/tests/config/write.c b/tests/config/write.c index 32e6f27b4..bcc87571c 100644 --- a/tests/config/write.c +++ b/tests/config/write.c @@ -106,6 +106,44 @@ void test_config_write__delete_value_at_specific_level(void) git_config_free(cfg); } +/* + * This test exposes a bug where duplicate empty section headers could prevent + * deletion of config entries. + */ +void test_config_write__delete_value_with_duplicate_header(void) +{ + const char *file_name = "config-duplicate-header"; + const char *entry_name = "remote.origin.url"; + git_config *cfg; + git_config_entry *entry; + + /* This config can occur after removing and re-adding the origin remote */ + const char *file_content = + "[remote \"origin\"]\n" \ + "[branch \"master\"]\n" \ + " remote = \"origin\"\n" \ + "[remote \"origin\"]\n" \ + " url = \"foo\"\n"; + + /* Write the test config and make sure the expected entry exists */ + cl_git_mkfile(file_name, file_content); + cl_git_pass(git_config_open_ondisk(&cfg, file_name)); + cl_git_pass(git_config_get_entry(&entry, cfg, entry_name)); + + /* Delete that entry */ + cl_git_pass(git_config_delete_entry(cfg, entry_name)); + + /* Reopen the file and make sure the entry no longer exists */ + git_config_entry_free(entry); + git_config_free(cfg); + cl_git_pass(git_config_open_ondisk(&cfg, file_name)); + cl_git_fail(git_config_get_entry(&entry, cfg, entry_name)); + + /* Cleanup */ + git_config_entry_free(entry); + git_config_free(cfg); +} + void test_config_write__write_subsection(void) { git_config *cfg; |