add tests of commit --squash

diff --git a/pretty.c b/pretty.c
index 4b85373ba6797069eefa96a63141438bd5de8803..85499347514ec3e1d62d6caa9f53b886c556e345 100644 (file)
--- a/pretty.c
+++ b/pretty.c
@@ -403,8 +403,8 @@ static char *replace_encoding_header(char *buf, const char *encoding)
        return strbuf_detach(&tmp, NULL);
 }
 
-static char *logmsg_reencode(const struct commit *commit,
-                            const char *output_encoding)
+char *logmsg_reencode(const struct commit *commit,
+                     const char *output_encoding)
 {
        static const char *utf8 = "UTF-8";
        const char *use_encoding;
@@ -555,6 +555,7 @@ struct format_commit_context {
        const struct pretty_print_context *pretty_ctx;
        unsigned commit_header_parsed:1;
        unsigned commit_message_parsed:1;
+       char *message;
        size_t width, indent1, indent2;
 
        /* These offsets are relative to the start of the commit message. */
@@ -591,7 +592,7 @@ static int add_again(struct strbuf *sb, struct chunk *chunk)
 
 static void parse_commit_header(struct format_commit_context *context)
 {
-       const char *msg = context->commit->buffer;
+       const char *msg = context->message;
        int i;
 
        for (i = 0; msg[i]; i++) {
@@ -677,8 +678,8 @@ const char *format_subject(struct strbuf *sb, const char *msg,
 
 static void parse_commit_message(struct format_commit_context *c)
 {
-       const char *msg = c->commit->buffer + c->message_off;
-       const char *start = c->commit->buffer;
+       const char *msg = c->message + c->message_off;
+       const char *start = c->message;
 
        msg = skip_empty_lines(msg);
        c->subject_off = msg - start;
@@ -741,7 +742,7 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
 {
        struct format_commit_context *c = context;
        const struct commit *commit = c->commit;
-       const char *msg = commit->buffer;
+       const char *msg = c->message;
        struct commit_list *p;
        int h1, h2;
 
@@ -886,8 +887,7 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
        case 'N':
                if (c->pretty_ctx->show_notes) {
                        format_display_notes(commit->object.sha1, sb,
-                                   git_log_output_encoding ? git_log_output_encoding
-                                                           : git_commit_encoding, 0);
+                                   get_log_output_encoding(), 0);
                        return 1;
                }
                return 0;
@@ -941,7 +941,8 @@ static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
        enum {
                NO_MAGIC,
                ADD_LF_BEFORE_NON_EMPTY,
-               DEL_LF_BEFORE_EMPTY
+               DEL_LF_BEFORE_EMPTY,
+               ADD_SP_BEFORE_NON_EMPTY
        } magic = NO_MAGIC;
 
        switch (placeholder[0]) {
@@ -951,6 +952,9 @@ static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
        case '+':
                magic = ADD_LF_BEFORE_NON_EMPTY;
                break;
+       case ' ':
+               magic = ADD_SP_BEFORE_NON_EMPTY;
+               break;
        default:
                break;
        }
@@ -965,8 +969,11 @@ static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
        if ((orig_len == sb->len) && magic == DEL_LF_BEFORE_EMPTY) {
                while (sb->len && sb->buf[sb->len - 1] == '\n')
                        strbuf_setlen(sb, sb->len - 1);
-       } else if ((orig_len != sb->len) && magic == ADD_LF_BEFORE_NON_EMPTY) {
-               strbuf_insert(sb, orig_len, "\n", 1);
+       } else if (orig_len != sb->len) {
+               if (magic == ADD_LF_BEFORE_NON_EMPTY)
+                       strbuf_insert(sb, orig_len, "\n", 1);
+               else if (magic == ADD_SP_BEFORE_NON_EMPTY)
+                       strbuf_insert(sb, orig_len, " ", 1);
        }
        return consumed + 1;
 }
@@ -976,7 +983,7 @@ static size_t userformat_want_item(struct strbuf *sb, const char *placeholder,
 {
        struct userformat_want *w = context;
 
-       if (*placeholder == '+' || *placeholder == '-')
+       if (*placeholder == '+' || *placeholder == '-' || *placeholder == ' ')
                placeholder++;
 
        switch (*placeholder) {
@@ -1005,13 +1012,27 @@ void format_commit_message(const struct commit *commit,
                           const struct pretty_print_context *pretty_ctx)
 {
        struct format_commit_context context;
+       static const char utf8[] = "UTF-8";
+       const char *enc;
+       const char *output_enc = pretty_ctx->output_encoding;
 
        memset(&context, 0, sizeof(context));
        context.commit = commit;
        context.pretty_ctx = pretty_ctx;
        context.wrap_start = sb->len;
+       context.message = commit->buffer;
+       if (output_enc) {
+               enc = get_header(commit, "encoding");
+               enc = enc ? enc : utf8;
+               if (strcmp(enc, output_enc))
+                       context.message = logmsg_reencode(commit, output_enc);
+       }
+
        strbuf_expand(sb, format, format_commit_item, &context);
        rewrap_message_tail(sb, &context, 0, 0, 0);
+
+       if (context.message != commit->buffer)
+               free(context.message);
 }
 
 static void pp_header(enum cmit_fmt fmt,
@@ -1152,11 +1173,7 @@ char *reencode_commit_message(const struct commit *commit, const char **encoding
 {
        const char *encoding;
 
-       encoding = (git_log_output_encoding
-                   ? git_log_output_encoding
-                   : git_commit_encoding);
-       if (!encoding)
-               encoding = "UTF-8";
+       encoding = get_log_output_encoding();
        if (encoding_p)
                *encoding_p = encoding;
        return logmsg_reencode(commit, encoding);