Teach "git diff -p" Python funcname patterns

diff --git a/builtin-log.c b/builtin-log.c
index ae71540546ff53ae3abae12c9702d0a88d769333..9204ffd7607dd6b72a2ef45e7b18921e822070af 100644 (file)
--- a/builtin-log.c
+++ b/builtin-log.c
@@ -218,9 +218,9 @@ static int cmd_log_walk(struct rev_info *rev)
                finish_early_output(rev);
 
        /*
-        * For --check, the exit code is based on CHECK_FAILED being
-        * accumulated in rev->diffopt, so be careful to retain that state
-        * information if replacing rev->diffopt in this loop
+        * For --check and --exit-code, the exit code is based on CHECK_FAILED
+        * and HAS_CHANGES being accumulated in rev->diffopt, so be careful to
+        * retain that state information if replacing rev->diffopt in this loop
         */
        while ((commit = get_revision(rev)) != NULL) {
                log_tree_commit(rev, commit);
@@ -236,7 +236,7 @@ static int cmd_log_walk(struct rev_info *rev)
            DIFF_OPT_TST(&rev->diffopt, CHECK_FAILED)) {
                return 02;
        }
-       return 0;
+       return diff_result_code(&rev->diffopt, 0);
 }
 
 static int git_log_config(const char *var, const char *value, void *cb)
@@ -470,7 +470,7 @@ static int extra_cc_alloc;
 static void add_header(const char *value)
 {
        int len = strlen(value);
-       while (value[len - 1] == '\n')
+       while (len && value[len - 1] == '\n')
                len--;
        if (!strncasecmp(value, "to: ", 4)) {
                ALLOC_GROW(extra_to, extra_to_nr + 1, extra_to_alloc);