reflog: continue walking the reflog past root commits

diff --git a/config.c b/config.c
index adf12a17ef41f70244df320df404d9ccaefd7b4b..f51c56bf92d384ace98e580c510842bd7eab9871 100644 (file)
--- a/config.c
+++ b/config.c
@@ -162,7 +162,7 @@ void git_config_push_parameter(const char *text)
 {
        struct strbuf env = STRBUF_INIT;
        const char *old = getenv(CONFIG_DATA_ENVIRONMENT);
-       if (old) {
+       if (old && *old) {
                strbuf_addstr(&env, old);
                strbuf_addch(&env, ' ');
        }
@@ -717,6 +717,9 @@ static int git_default_core_config(const char *var, const char *value)
        if (!strcmp(var, "core.attributesfile"))
                return git_config_pathname(&git_attributes_file, var, value);
 
+       if (!strcmp(var, "core.hookspath"))
+               return git_config_pathname(&git_hooks_path, var, value);
+
        if (!strcmp(var, "core.bare")) {
                is_bare_repository_cfg = git_config_bool(var, value);
                return 0;
@@ -803,8 +806,6 @@ static int git_default_core_config(const char *var, const char *value)
 
        if (!strcmp(var, "core.autocrlf")) {
                if (value && !strcasecmp(value, "input")) {
-                       if (core_eol == EOL_CRLF)
-                               return error("core.autocrlf=input conflicts with core.eol=crlf");
                        auto_crlf = AUTO_CRLF_INPUT;
                        return 0;
                }
@@ -830,8 +831,6 @@ static int git_default_core_config(const char *var, const char *value)
                        core_eol = EOL_NATIVE;
                else
                        core_eol = EOL_UNSET;
-               if (core_eol == EOL_CRLF && auto_crlf == AUTO_CRLF_INPUT)
-                       return error("core.autocrlf=input conflicts with core.eol=crlf");
                return 0;
        }
 
@@ -2017,7 +2016,7 @@ int git_config_set_multivar_in_file_gently(const char *config_filename,
        lock = xcalloc(1, sizeof(struct lock_file));
        fd = hold_lock_file_for_update(lock, config_filename, 0);
        if (fd < 0) {
-               error("could not lock config file %s: %s", config_filename, strerror(errno));
+               error_errno("could not lock config file %s", config_filename);
                free(store.key);
                ret = CONFIG_NO_LOCK;
                goto out_free;
@@ -2031,8 +2030,7 @@ int git_config_set_multivar_in_file_gently(const char *config_filename,
                free(store.key);
 
                if ( ENOENT != errno ) {
-                       error("opening %s: %s", config_filename,
-                             strerror(errno));
+                       error_errno("opening %s", config_filename);
                        ret = CONFIG_INVALID_FILE; /* same as "invalid config file" */
                        goto out_free;
                }
@@ -2116,8 +2114,7 @@ int git_config_set_multivar_in_file_gently(const char *config_filename,
                if (contents == MAP_FAILED) {
                        if (errno == ENODEV && S_ISDIR(st.st_mode))
                                errno = EISDIR;
-                       error("unable to mmap '%s': %s",
-                             config_filename, strerror(errno));
+                       error_errno("unable to mmap '%s'", config_filename);
                        ret = CONFIG_INVALID_FILE;
                        contents = NULL;
                        goto out_free;
@@ -2126,8 +2123,7 @@ int git_config_set_multivar_in_file_gently(const char *config_filename,
                in_fd = -1;
 
                if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) {
-                       error("chmod on %s failed: %s",
-                             get_lock_file_path(lock), strerror(errno));
+                       error_errno("chmod on %s failed", get_lock_file_path(lock));
                        ret = CONFIG_NO_WRITE;
                        goto out_free;
                }
@@ -2183,8 +2179,7 @@ int git_config_set_multivar_in_file_gently(const char *config_filename,
        }
 
        if (commit_lock_file(lock) < 0) {
-               error("could not write config file %s: %s", config_filename,
-                     strerror(errno));
+               error_errno("could not write config file %s", config_filename);
                ret = CONFIG_NO_WRITE;
                lock = NULL;
                goto out_free;
@@ -2335,8 +2330,8 @@ int git_config_rename_section_in_file(const char *config_filename,
        fstat(fileno(config_file), &st);
 
        if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) {
-               ret = error("chmod on %s failed: %s",
-                           get_lock_file_path(lock), strerror(errno));
+               ret = error_errno("chmod on %s failed",
+                                 get_lock_file_path(lock));
                goto out;
        }
 
@@ -2390,8 +2385,8 @@ int git_config_rename_section_in_file(const char *config_filename,
        fclose(config_file);
 unlock_and_out:
        if (commit_lock_file(lock) < 0)
-               ret = error("could not write config file %s: %s",
-                           config_filename, strerror(errno));
+               ret = error_errno("could not write config file %s",
+                                 config_filename);
 out:
        free(filename_buf);
        return ret;