X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=builtin-log.c;h=fedb0137bc5e3ba50ecb90ce560ce9ce9290d8df;hb=45bd0c808d2a89254ee50807a99b7cf1147aa6d7;hp=f9515a8a4ac8a53e87b6fb9f73e1964350481bfb;hpb=75dedd5a21246be03ae443e9fc6a9f75c6d2995b;p=git.git

diff --git a/builtin-log.c b/builtin-log.c
index f9515a8a4..fedb0137b 100644
--- a/builtin-log.c
+++ b/builtin-log.c
@@ -10,32 +10,30 @@
 #include "revision.h"
 #include "log-tree.h"
 #include "builtin.h"
+#include <time.h>
+#include <sys/time.h>
 
 /* this is in builtin-diff.c */
 void add_head(struct rev_info *revs);
 
-static int cmd_log_wc(int argc, const char **argv, char **envp,
+static void cmd_log_init(int argc, const char **argv, const char *prefix,
 		      struct rev_info *rev)
 {
-	struct commit *commit;
-
 	rev->abbrev = DEFAULT_ABBREV;
 	rev->commit_format = CMIT_FMT_DEFAULT;
 	rev->verbose_header = 1;
 	argc = setup_revisions(argc, argv, rev, "HEAD");
-	if (rev->always_show_header) {
-		if (rev->diffopt.pickaxe || rev->diffopt.filter) {
-			rev->always_show_header = 0;
-			if (rev->diffopt.output_format == DIFF_FORMAT_RAW)
-				rev->diffopt.output_format = DIFF_FORMAT_NO_OUTPUT;
-		}
-	}
-
+	if (rev->diffopt.pickaxe || rev->diffopt.filter)
+		rev->always_show_header = 0;
 	if (argc > 1)
 		die("unrecognized argument: %s", argv[1]);
+}
+
+static int cmd_log_walk(struct rev_info *rev)
+{
+	struct commit *commit;
 
 	prepare_revision_walk(rev);
-	setup_pager();
 	while ((commit = get_revision(rev)) != NULL) {
 		log_tree_commit(rev, commit);
 		free(commit->buffer);
@@ -46,22 +44,27 @@ static int cmd_log_wc(int argc, const char **argv, char **envp,
 	return 0;
 }
 
-int cmd_whatchanged(int argc, const char **argv, char **envp)
+int cmd_whatchanged(int argc, const char **argv, const char *prefix)
 {
 	struct rev_info rev;
 
-	init_revisions(&rev);
+	git_config(git_diff_ui_config);
+	init_revisions(&rev, prefix);
 	rev.diff = 1;
 	rev.diffopt.recursive = 1;
 	rev.simplify_history = 0;
-	return cmd_log_wc(argc, argv, envp, &rev);
+	cmd_log_init(argc, argv, prefix, &rev);
+	if (!rev.diffopt.output_format)
+		rev.diffopt.output_format = DIFF_FORMAT_RAW;
+	return cmd_log_walk(&rev);
 }
 
-int cmd_show(int argc, const char **argv, char **envp)
+int cmd_show(int argc, const char **argv, const char *prefix)
 {
 	struct rev_info rev;
 
-	init_revisions(&rev);
+	git_config(git_diff_ui_config);
+	init_revisions(&rev, prefix);
 	rev.diff = 1;
 	rev.diffopt.recursive = 1;
 	rev.combine_merges = 1;
@@ -69,17 +72,19 @@ int cmd_show(int argc, const char **argv, char **envp)
 	rev.always_show_header = 1;
 	rev.ignore_merges = 0;
 	rev.no_walk = 1;
-	return cmd_log_wc(argc, argv, envp, &rev);
+	cmd_log_init(argc, argv, prefix, &rev);
+	return cmd_log_walk(&rev);
 }
 
-int cmd_log(int argc, const char **argv, char **envp)
+int cmd_log(int argc, const char **argv, const char *prefix)
 {
 	struct rev_info rev;
 
-	init_revisions(&rev);
+	git_config(git_diff_ui_config);
+	init_revisions(&rev, prefix);
 	rev.always_show_header = 1;
-	rev.diffopt.recursive = 1;
-	return cmd_log_wc(argc, argv, envp, &rev);
+	cmd_log_init(argc, argv, prefix, &rev);
+	return cmd_log_walk(&rev);
 }
 
 static int istitlechar(char c)
@@ -96,12 +101,15 @@ static int git_format_config(const char *var, const char *value)
 	if (!strcmp(var, "format.headers")) {
 		int len = strlen(value);
 		extra_headers_size += len + 1;
-		extra_headers = realloc(extra_headers, extra_headers_size);
+		extra_headers = xrealloc(extra_headers, extra_headers_size);
 		extra_headers[extra_headers_size - len - 1] = 0;
 		strcat(extra_headers, value);
 		return 0;
 	}
-	return git_default_config(var, value);
+	if (!strcmp(var, "diff.color")) {
+		return 0;
+	}
+	return git_diff_ui_config(var, value);
 }
 
 
@@ -163,13 +171,16 @@ static void reopen_stdout(struct commit *commit, int nr, int keep_subject)
 static int get_patch_id(struct commit *commit, struct diff_options *options,
 		unsigned char *sha1)
 {
-	diff_tree_sha1(commit->parents->item->object.sha1, commit->object.sha1,
-			"", options);
+	if (commit->parents)
+		diff_tree_sha1(commit->parents->item->object.sha1,
+		               commit->object.sha1, "", options);
+	else
+		diff_root_tree_sha1(commit->object.sha1, "", options);
 	diffcore_std(options);
 	return diff_flush_patch_id(options, sha1);
 }
 
-static void get_patch_ids(struct rev_info *rev, struct diff_options *options)
+static void get_patch_ids(struct rev_info *rev, struct diff_options *options, const char *prefix)
 {
 	struct rev_info check_rev;
 	struct commit *commit;
@@ -194,7 +205,7 @@ static void get_patch_ids(struct rev_info *rev, struct diff_options *options)
 		die("diff_setup_done failed");
 
 	/* given a range a..b get all patch ids for b..a */
-	init_revisions(&check_rev);
+	init_revisions(&check_rev, prefix);
 	o1->flags ^= UNINTERESTING;
 	o2->flags ^= UNINTERESTING;
 	add_pending_object(&check_rev, o1, "o1");
@@ -219,7 +230,19 @@ static void get_patch_ids(struct rev_info *rev, struct diff_options *options)
 	o2->flags = flags2;
 }
 
-int cmd_format_patch(int argc, const char **argv, char **envp)
+static void gen_message_id(char *dest, unsigned int length, char *base)
+{
+	const char *committer = git_committer_info(1);
+	const char *email_start = strrchr(committer, '<');
+	const char *email_end = strrchr(committer, '>');
+	if(!email_start || !email_end || email_start > email_end - 1)
+		die("Could not extract email from committer identity.");
+	snprintf(dest, length, "%s.%lu.git.%.*s", base,
+		 (unsigned long) time(NULL),
+		 (int)(email_end - email_start - 1), email_start + 1);
+}
+
+int cmd_format_patch(int argc, const char **argv, const char *prefix)
 {
 	struct commit *commit;
 	struct commit **list = NULL;
@@ -230,20 +253,24 @@ int cmd_format_patch(int argc, const char **argv, char **envp)
 	int start_number = -1;
 	int keep_subject = 0;
 	int ignore_if_in_upstream = 0;
+	int thread = 0;
+	const char *in_reply_to = NULL;
 	struct diff_options patch_id_opts;
 	char *add_signoff = NULL;
+	char message_id[1024];
+	char ref_message_id[1024];
 
-	init_revisions(&rev);
+	setup_ident();
+	git_config(git_format_config);
+	init_revisions(&rev, prefix);
 	rev.commit_format = CMIT_FMT_EMAIL;
 	rev.verbose_header = 1;
 	rev.diff = 1;
-	rev.diffopt.with_raw = 0;
-	rev.diffopt.with_stat = 1;
 	rev.combine_merges = 0;
 	rev.ignore_merges = 1;
-	rev.diffopt.output_format = DIFF_FORMAT_PATCH;
+	rev.diffopt.msg_sep = "";
+	rev.diffopt.recursive = 1;
 
-	git_config(git_format_config);
 	rev.extra_headers = extra_headers;
 
 	/*
@@ -283,7 +310,6 @@ int cmd_format_patch(int argc, const char **argv, char **envp)
 			 !strcmp(argv[i], "-s")) {
 			const char *committer;
 			const char *endpos;
-			setup_ident();
 			committer = git_committer_info(1);
 			endpos = strchr(committer, '>');
 			if (!endpos)
@@ -298,6 +324,16 @@ int cmd_format_patch(int argc, const char **argv, char **envp)
 			rev.mime_boundary = argv[i] + 9;
 		else if (!strcmp(argv[i], "--ignore-if-in-upstream"))
 			ignore_if_in_upstream = 1;
+		else if (!strcmp(argv[i], "--thread"))
+			thread = 1;
+		else if (!strncmp(argv[i], "--in-reply-to=", 14))
+			in_reply_to = argv[i] + 14;
+		else if (!strcmp(argv[i], "--in-reply-to")) {
+			i++;
+			if (i == argc)
+				die("Need a Message-Id for --in-reply-to");
+			in_reply_to = argv[i];
+		}
 		else
 			argv[j++] = argv[i];
 	}
@@ -312,6 +348,12 @@ int cmd_format_patch(int argc, const char **argv, char **envp)
 	if (argc > 1)
 		die ("unrecognized argument: %s", argv[1]);
 
+	if (!rev.diffopt.output_format)
+		rev.diffopt.output_format = DIFF_FORMAT_DIFFSTAT | DIFF_FORMAT_PATCH;
+
+	if (!output_directory)
+		output_directory = prefix;
+
 	if (output_directory) {
 		if (use_stdout)
 			die("standard output, or directory, which one?");
@@ -326,7 +368,7 @@ int cmd_format_patch(int argc, const char **argv, char **envp)
 	}
 
 	if (ignore_if_in_upstream)
-		get_patch_ids(&rev, &patch_id_opts);
+		get_patch_ids(&rev, &patch_id_opts, prefix);
 
 	if (!use_stdout)
 		realstdout = fdopen(dup(1), "w");
@@ -345,17 +387,30 @@ int cmd_format_patch(int argc, const char **argv, char **envp)
 			continue;
 
 		nr++;
-		list = realloc(list, nr * sizeof(list[0]));
+		list = xrealloc(list, nr * sizeof(list[0]));
 		list[nr - 1] = commit;
 	}
 	total = nr;
 	if (numbered)
 		rev.total = total + start_number - 1;
 	rev.add_signoff = add_signoff;
+	rev.ref_message_id = in_reply_to;
 	while (0 <= --nr) {
 		int shown;
 		commit = list[nr];
 		rev.nr = total - nr + (start_number - 1);
+		/* Make the second and subsequent mails replies to the first */
+		if (thread) {
+			if (nr == (total - 2)) {
+				strncpy(ref_message_id, message_id,
+					sizeof(ref_message_id));
+				ref_message_id[sizeof(ref_message_id)-1]='\0';
+				rev.ref_message_id = ref_message_id;
+			}
+			gen_message_id(message_id, sizeof(message_id),
+				       sha1_to_hex(commit->object.sha1));
+			rev.message_id = message_id;
+		}
 		if (!use_stdout)
 			reopen_stdout(commit, rev.nr, keep_subject);
 		shown = log_tree_commit(&rev, commit);
@@ -385,3 +440,109 @@ int cmd_format_patch(int argc, const char **argv, char **envp)
 	return 0;
 }
 
+static int add_pending_commit(const char *arg, struct rev_info *revs, int flags)
+{
+	unsigned char sha1[20];
+	if (get_sha1(arg, sha1) == 0) {
+		struct commit *commit = lookup_commit_reference(sha1);
+		if (commit) {
+			commit->object.flags |= flags;
+			add_pending_object(revs, &commit->object, arg);
+			return 0;
+		}
+	}
+	return -1;
+}
+
+static const char cherry_usage[] =
+"git-cherry [-v] <upstream> [<head>] [<limit>]";
+int cmd_cherry(int argc, const char **argv, const char *prefix)
+{
+	struct rev_info revs;
+	struct diff_options patch_id_opts;
+	struct commit *commit;
+	struct commit_list *list = NULL;
+	const char *upstream;
+	const char *head = "HEAD";
+	const char *limit = NULL;
+	int verbose = 0;
+
+	if (argc > 1 && !strcmp(argv[1], "-v")) {
+		verbose = 1;
+		argc--;
+		argv++;
+	}
+
+	switch (argc) {
+	case 4:
+		limit = argv[3];
+		/* FALLTHROUGH */
+	case 3:
+		head = argv[2];
+		/* FALLTHROUGH */
+	case 2:
+		upstream = argv[1];
+		break;
+	default:
+		usage(cherry_usage);
+	}
+
+	init_revisions(&revs, prefix);
+	revs.diff = 1;
+	revs.combine_merges = 0;
+	revs.ignore_merges = 1;
+	revs.diffopt.recursive = 1;
+
+	if (add_pending_commit(head, &revs, 0))
+		die("Unknown commit %s", head);
+	if (add_pending_commit(upstream, &revs, UNINTERESTING))
+		die("Unknown commit %s", upstream);
+
+	/* Don't say anything if head and upstream are the same. */
+	if (revs.pending.nr == 2) {
+		struct object_array_entry *o = revs.pending.objects;
+		if (hashcmp(o[0].item->sha1, o[1].item->sha1) == 0)
+			return 0;
+	}
+
+	get_patch_ids(&revs, &patch_id_opts, prefix);
+
+	if (limit && add_pending_commit(limit, &revs, UNINTERESTING))
+		die("Unknown commit %s", limit);
+
+	/* reverse the list of commits */
+	prepare_revision_walk(&revs);
+	while ((commit = get_revision(&revs)) != NULL) {
+		/* ignore merges */
+		if (commit->parents && commit->parents->next)
+			continue;
+
+		commit_list_insert(commit, &list);
+	}
+
+	while (list) {
+		unsigned char sha1[20];
+		char sign = '+';
+
+		commit = list->item;
+		if (!get_patch_id(commit, &patch_id_opts, sha1) &&
+		    lookup_object(sha1))
+			sign = '-';
+
+		if (verbose) {
+			static char buf[16384];
+			pretty_print_commit(CMIT_FMT_ONELINE, commit, ~0,
+			                    buf, sizeof(buf), 0, NULL, NULL, 0);
+			printf("%c %s %s\n", sign,
+			       sha1_to_hex(commit->object.sha1), buf);
+		}
+		else {
+			printf("%c %s\n", sign,
+			       sha1_to_hex(commit->object.sha1));
+		}
+
+		list = list->next;
+	}
+
+	return 0;
+}