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log and rev-list: add --graph option

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This new option causes a text-based representation of the history to be
printed to the left of the normal output.

Signed-off-by: Adam Simpkins <adam@adamsimpkins.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Adam Simpkins
2008-05-04 03:36:54 -07:00
committed by Junio C Hamano
parent c12172d2ea
commit 7fefda5cc7
6 changed files with 161 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

76
log-tree.c
View File

@ -1,6 +1,7 @@
#include "cache.h"
#include "diff.h"
#include "commit.h"
#include "graph.h"
#include "log-tree.h"
#include "reflog-walk.h"
@ -165,11 +166,16 @@ void log_write_email_headers(struct rev_info *opt, const char *name,
}
printf("From %s Mon Sep 17 00:00:00 2001\n", name);
if (opt->message_id)
graph_show_oneline(opt->graph);
if (opt->message_id) {
printf("Message-Id: <%s>\n", opt->message_id);
if (opt->ref_message_id)
graph_show_oneline(opt->graph);
}
if (opt->ref_message_id) {
printf("In-Reply-To: <%s>\nReferences: <%s>\n",
opt->ref_message_id, opt->ref_message_id);
graph_show_oneline(opt->graph);
}
if (opt->mime_boundary) {
static char subject_buffer[1024];
static char buffer[1024];
@ -220,6 +226,8 @@ void show_log(struct rev_info *opt)
opt->loginfo = NULL;
if (!opt->verbose_header) {
graph_show_commit(opt->graph);
if (commit->object.flags & BOUNDARY)
putchar('-');
else if (commit->object.flags & UNINTERESTING)
@ -234,6 +242,10 @@ void show_log(struct rev_info *opt)
if (opt->print_parents)
show_parents(commit, abbrev_commit);
show_decorations(commit);
if (opt->graph && !graph_is_commit_finished(opt->graph)) {
putchar('\n');
graph_show_remainder(opt->graph);
}
putchar(opt->diffopt.line_termination);
return;
}
@ -243,10 +255,32 @@ void show_log(struct rev_info *opt)
* Otherwise, add a diffopt.line_termination character before all
* entries but the first. (IOW, as a separator between entries)
*/
if (opt->shown_one && !opt->use_terminator)
if (opt->shown_one && !opt->use_terminator) {
/*
* If entries are separated by a newline, the output
* should look human-readable. If the last entry ended
* with a newline, print the graph output before this
* newline. Otherwise it will end up as a completely blank
* line and will look like a gap in the graph.
*
* If the entry separator is not a newline, the output is
* primarily intended for programmatic consumption, and we
* never want the extra graph output before the entry
* separator.
*/
if (opt->diffopt.line_termination == '\n' &&
!opt->missing_newline)
graph_show_padding(opt->graph);
putchar(opt->diffopt.line_termination);
}
opt->shown_one = 1;
/*
* If the history graph was requested,
* print the graph, up to this commit's line
*/
graph_show_commit(opt->graph);
/*
* Print header line of header..
*/
@ -279,8 +313,19 @@ void show_log(struct rev_info *opt)
abbrev_commit));
show_decorations(commit);
printf("%s", diff_get_color_opt(&opt->diffopt, DIFF_RESET));
putchar(opt->commit_format == CMIT_FMT_ONELINE ? ' ' : '\n');
if (opt->commit_format == CMIT_FMT_ONELINE) {
putchar(' ');
} else {
putchar('\n');
graph_show_oneline(opt->graph);
}
if (opt->reflog_info) {
/*
* setup_revisions() ensures that opt->reflog_info
* and opt->graph cannot both be set,
* so we don't need to worry about printing the
* graph info here.
*/
show_reflog_message(opt->reflog_info,
opt->commit_format == CMIT_FMT_ONELINE,
opt->date_mode);
@ -304,13 +349,30 @@ void show_log(struct rev_info *opt)
if (opt->add_signoff)
append_signoff(&msgbuf, opt->add_signoff);
if (opt->show_log_size)
if (opt->show_log_size) {
printf("log size %i\n", (int)msgbuf.len);
graph_show_oneline(opt->graph);
}
if (msgbuf.len)
/*
* Set opt->missing_newline if msgbuf doesn't
* end in a newline (including if it is empty)
*/
if (!msgbuf.len || msgbuf.buf[msgbuf.len - 1] != '\n')
opt->missing_newline = 1;
else
opt->missing_newline = 0;
if (opt->graph)
graph_show_commit_msg(opt->graph, &msgbuf);
else
fwrite(msgbuf.buf, sizeof(char), msgbuf.len, stdout);
if (opt->use_terminator)
if (opt->use_terminator) {
if (!opt->missing_newline)
graph_show_padding(opt->graph);
putchar('\n');
}
strbuf_release(&msgbuf);
}