revert(3p/git): Revert merge of git upstream at v2.26.2 r/852

This causes cgit to serve error pages, which is undesirable.

This reverts commit 5229c9b232de5bfa959ad6ebbb4c8192ac513352, reversing
changes made to f2b211131f2347342dde63975b09cf603149f1a3.

1 files changed, 24 insertions, 16 deletions

diff --git a/third_party/git/builtin/blame.c b/third_party/git/builtin/blame.c
index edd4bf7e3bb3..7ebd51ae4d2e 100644
--- a/third_party/git/builtin/blame.c
+++ b/third_party/git/builtin/blame.c
@@ -26,6 +26,7 @@
 #include "progress.h"
 #include "object-store.h"
 #include "blame.h"
+#include "string-list.h"
 #include "refs.h"
 
 static char blame_usage[] = N_("git blame [<options>] [<rev-opts>] [<rev>] [--] <file>");
@@ -319,18 +320,18 @@ static const char *format_time(timestamp_t time, const char *tz_str,
 	return time_buf.buf;
 }
 
-#define OUTPUT_ANNOTATE_COMPAT      (1U<<0)
-#define OUTPUT_LONG_OBJECT_NAME     (1U<<1)
-#define OUTPUT_RAW_TIMESTAMP        (1U<<2)
-#define OUTPUT_PORCELAIN            (1U<<3)
-#define OUTPUT_SHOW_NAME            (1U<<4)
-#define OUTPUT_SHOW_NUMBER          (1U<<5)
-#define OUTPUT_SHOW_SCORE           (1U<<6)
-#define OUTPUT_NO_AUTHOR            (1U<<7)
-#define OUTPUT_SHOW_EMAIL           (1U<<8)
-#define OUTPUT_LINE_PORCELAIN       (1U<<9)
-#define OUTPUT_COLOR_LINE           (1U<<10)
-#define OUTPUT_SHOW_AGE_WITH_COLOR  (1U<<11)
+#define OUTPUT_ANNOTATE_COMPAT	001
+#define OUTPUT_LONG_OBJECT_NAME	002
+#define OUTPUT_RAW_TIMESTAMP	004
+#define OUTPUT_PORCELAIN	010
+#define OUTPUT_SHOW_NAME	020
+#define OUTPUT_SHOW_NUMBER	040
+#define OUTPUT_SHOW_SCORE	0100
+#define OUTPUT_NO_AUTHOR	0200
+#define OUTPUT_SHOW_EMAIL	0400
+#define OUTPUT_LINE_PORCELAIN	01000
+#define OUTPUT_COLOR_LINE	02000
+#define OUTPUT_SHOW_AGE_WITH_COLOR	04000
 
 static void emit_porcelain_details(struct blame_origin *suspect, int repeat)
 {
@@ -459,7 +460,7 @@ static void emit_other(struct blame_scoreboard *sb, struct blame_entry *ent, int
 
 	for (cnt = 0; cnt < ent->num_lines; cnt++) {
 		char ch;
-		int length = (opt & OUTPUT_LONG_OBJECT_NAME) ? the_hash_algo->hexsz : abbrev;
+		int length = (opt & OUTPUT_LONG_OBJECT_NAME) ? GIT_SHA1_HEXSZ : abbrev;
 
 		if (opt & OUTPUT_COLOR_LINE) {
 			if (cnt > 0) {
@@ -861,6 +862,14 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
 		OPT_STRING_LIST(0, "ignore-revs-file", &ignore_revs_file_list, N_("file"), N_("Ignore revisions from <file>")),
 		OPT_BIT(0, "color-lines", &output_option, N_("color redundant metadata from previous line differently"), OUTPUT_COLOR_LINE),
 		OPT_BIT(0, "color-by-age", &output_option, N_("color lines by age"), OUTPUT_SHOW_AGE_WITH_COLOR),
+
+		/*
+		 * The following two options are parsed by parse_revision_opt()
+		 * and are only included here to get included in the "-h"
+		 * output:
+		 */
+		{ OPTION_LOWLEVEL_CALLBACK, 0, "indent-heuristic", NULL, NULL, N_("Use an experimental heuristic to improve diffs"), PARSE_OPT_NOARG, NULL, 0, parse_opt_unknown_cb },
+
 		OPT_BIT(0, "minimal", &xdl_opts, N_("Spend extra cycles to find better match"), XDF_NEED_MINIMAL),
 		OPT_STRING('S', NULL, &revs_file, N_("file"), N_("Use revisions from <file> instead of calling git-rev-list")),
 		OPT_STRING(0, "contents", &contents_from, N_("file"), N_("Use <file>'s contents as the final image")),
@@ -876,7 +885,6 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
 	struct range_set ranges;
 	unsigned int range_i;
 	long anchor;
-	const int hexsz = the_hash_algo->hexsz;
 
 	setup_default_color_by_age();
 	git_config(git_blame_config, &output_option);
@@ -923,11 +931,11 @@ parse_done:
 	} else if (show_progress < 0)
 		show_progress = isatty(2);
 
-	if (0 < abbrev && abbrev < hexsz)
+	if (0 < abbrev && abbrev < GIT_SHA1_HEXSZ)
 		/* one more abbrev length is needed for the boundary commit */
 		abbrev++;
 	else if (!abbrev)
-		abbrev = hexsz;
+		abbrev = GIT_SHA1_HEXSZ;
 
 	if (revs_file && read_ancestry(revs_file))
 		die_errno("reading graft file '%s' failed", revs_file);