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-rw-r--r--ui-log.c131
1 files changed, 120 insertions, 11 deletions
diff --git a/ui-log.c b/ui-log.c
index 8028b27..ff832ce 100644
--- a/ui-log.c
+++ b/ui-log.c
@@ -12,7 +12,7 @@
#include "ui-shared.h"
#include "argv-array.h"
-static int files, add_lines, rem_lines;
+static int files, add_lines, rem_lines, lines_counted;
/*
* The list of available column colors in the commit graph.
@@ -67,7 +67,7 @@ void show_commit_decorations(struct commit *commit)
strncpy(buf, deco->name + 11, sizeof(buf) - 1);
cgit_log_link(buf, NULL, "branch-deco", buf, NULL,
ctx.qry.vpath, 0, NULL, NULL,
- ctx.qry.showmsg);
+ ctx.qry.showmsg, 0);
}
else if (starts_with(deco->name, "tag: refs/tags/")) {
strncpy(buf, deco->name + 15, sizeof(buf) - 1);
@@ -84,7 +84,7 @@ void show_commit_decorations(struct commit *commit)
cgit_log_link(buf, NULL, "remote-deco", NULL,
sha1_to_hex(commit->object.sha1),
ctx.qry.vpath, 0, NULL, NULL,
- ctx.qry.showmsg);
+ ctx.qry.showmsg, 0);
}
else {
strncpy(buf, deco->name, sizeof(buf) - 1);
@@ -98,6 +98,74 @@ next:
html("</span>");
}
+static void handle_rename(struct diff_filepair *pair)
+{
+ /*
+ * After we have seen a rename, we generate links to the previous
+ * name of the file so that commit & diff views get fed the path
+ * that is correct for the commit they are showing, avoiding the
+ * need to walk the entire history leading back to every commit we
+ * show in order detect renames.
+ */
+ if (0 != strcmp(ctx.qry.vpath, pair->two->path)) {
+ free(ctx.qry.vpath);
+ ctx.qry.vpath = xstrdup(pair->two->path);
+ }
+ inspect_files(pair);
+}
+
+static int show_commit(struct commit *commit, struct rev_info *revs)
+{
+ struct commit_list *parents = commit->parents;
+ struct commit *parent;
+ int found = 0, saved_fmt;
+ unsigned saved_flags = revs->diffopt.flags;
+
+
+ /* Always show if we're not in "follow" mode with a single file. */
+ if (!ctx.qry.follow)
+ return 1;
+
+ /*
+ * In "follow" mode, we don't show merges. This is consistent with
+ * "git log --follow -- <file>".
+ */
+ if (parents && parents->next)
+ return 0;
+
+ /*
+ * If this is the root commit, do what rev_info tells us.
+ */
+ if (!parents)
+ return revs->show_root_diff;
+
+ /* When we get here we have precisely one parent. */
+ parent = parents->item;
+ parse_commit(parent);
+
+ files = 0;
+ add_lines = 0;
+ rem_lines = 0;
+
+ DIFF_OPT_SET(&revs->diffopt, RECURSIVE);
+ diff_tree_sha1(parent->tree->object.sha1,
+ commit->tree->object.sha1,
+ "", &revs->diffopt);
+ diffcore_std(&revs->diffopt);
+
+ found = !diff_queue_is_empty();
+ saved_fmt = revs->diffopt.output_format;
+ revs->diffopt.output_format = DIFF_FORMAT_CALLBACK;
+ revs->diffopt.format_callback = cgit_diff_tree_cb;
+ revs->diffopt.format_callback_data = handle_rename;
+ diff_flush(&revs->diffopt);
+ revs->diffopt.output_format = saved_fmt;
+ revs->diffopt.flags = saved_flags;
+
+ lines_counted = 1;
+ return found;
+}
+
static void print_commit(struct commit *commit, struct rev_info *revs)
{
struct commitinfo *info;
@@ -177,7 +245,8 @@ static void print_commit(struct commit *commit, struct rev_info *revs)
cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
}
- if (ctx.repo->enable_log_filecount || ctx.repo->enable_log_linecount) {
+ if (!lines_counted && (ctx.repo->enable_log_filecount ||
+ ctx.repo->enable_log_linecount)) {
files = 0;
add_lines = 0;
rem_lines = 0;
@@ -325,7 +394,17 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
}
}
}
- if (commit_graph) {
+
+ if (!path || !ctx.cfg.enable_follow_links) {
+ /*
+ * If we don't have a path, "follow" is a no-op so make sure
+ * the variable is set to false to avoid needing to check
+ * both this and whether we have a path everywhere.
+ */
+ ctx.qry.follow = 0;
+ }
+
+ if (commit_graph && !ctx.qry.follow) {
argv_array_push(&rev_argv, "--graph");
argv_array_push(&rev_argv, "--color");
graph_set_column_colors(column_colors_html,
@@ -337,6 +416,8 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
else if (commit_sort == 2)
argv_array_push(&rev_argv, "--topo-order");
+ if (path && ctx.qry.follow)
+ argv_array_push(&rev_argv, "--follow");
argv_array_push(&rev_argv, "--");
if (path)
argv_array_push(&rev_argv, path);
@@ -347,10 +428,17 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
rev.verbose_header = 1;
rev.show_root_diff = 0;
rev.ignore_missing = 1;
+ rev.simplify_history = 1;
setup_revisions(rev_argv.argc, rev_argv.argv, &rev, NULL);
load_ref_decorations(DECORATE_FULL_REFS);
rev.show_decorations = 1;
rev.grep_filter.regflags |= REG_ICASE;
+
+ rev.diffopt.detect_rename = 1;
+ rev.diffopt.rename_limit = ctx.cfg.renamelimit;
+ if (ctx.qry.ignorews)
+ DIFF_XDL_SET(&rev.diffopt, IGNORE_WHITESPACE);
+
compile_grep_patterns(&rev.grep_filter);
prepare_revision_walk(&rev);
@@ -368,11 +456,12 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
cgit_log_link(ctx.qry.showmsg ? "Collapse" : "Expand", NULL,
NULL, ctx.qry.head, ctx.qry.sha1,
ctx.qry.vpath, ctx.qry.ofs, ctx.qry.grep,
- ctx.qry.search, ctx.qry.showmsg ? 0 : 1);
+ ctx.qry.search, ctx.qry.showmsg ? 0 : 1,
+ ctx.qry.follow);
html(")");
}
html("</th><th class='left'>Author</th>");
- if (commit_graph)
+ if (rev.graph)
html("<th class='left'>Age</th>");
if (ctx.repo->enable_log_filecount) {
html("<th class='left'>Files</th>");
@@ -388,13 +477,30 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
ofs = 0;
for (i = 0; i < ofs && (commit = get_revision(&rev)) != NULL; i++) {
+ if (show_commit(commit, &rev))
+ i++;
free_commit_buffer(commit);
free_commit_list(commit->parents);
commit->parents = NULL;
}
for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; i++) {
- print_commit(commit, &rev);
+ /*
+ * In "follow" mode, we must count the files and lines the
+ * first time we invoke diff on a given commit, and we need
+ * to do that to see if the commit touches the path we care
+ * about, so we do it in show_commit. Hence we must clear
+ * lines_counted here.
+ *
+ * This has the side effect of avoiding running diff twice
+ * when we are both following renames and showing file
+ * and/or line counts.
+ */
+ lines_counted = 0;
+ if (show_commit(commit, &rev)) {
+ i++;
+ print_commit(commit, &rev);
+ }
free_commit_buffer(commit);
free_commit_list(commit->parents);
commit->parents = NULL;
@@ -406,7 +512,8 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
cgit_log_link("[prev]", NULL, NULL, ctx.qry.head,
ctx.qry.sha1, ctx.qry.vpath,
ofs - cnt, ctx.qry.grep,
- ctx.qry.search, ctx.qry.showmsg);
+ ctx.qry.search, ctx.qry.showmsg,
+ ctx.qry.follow);
html("</li>");
}
if ((commit = get_revision(&rev)) != NULL) {
@@ -414,14 +521,16 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
cgit_log_link("[next]", NULL, NULL, ctx.qry.head,
ctx.qry.sha1, ctx.qry.vpath,
ofs + cnt, ctx.qry.grep,
- ctx.qry.search, ctx.qry.showmsg);
+ ctx.qry.search, ctx.qry.showmsg,
+ ctx.qry.follow);
html("</li>");
}
html("</ul>");
} else if ((commit = get_revision(&rev)) != NULL) {
htmlf("<tr class='nohover'><td colspan='%d'>", columns);
cgit_log_link("[...]", NULL, NULL, ctx.qry.head, NULL,
- ctx.qry.vpath, 0, NULL, NULL, ctx.qry.showmsg);
+ ctx.qry.vpath, 0, NULL, NULL, ctx.qry.showmsg,
+ ctx.qry.follow);
html("</td></tr>\n");
}
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