7 files changed, 188 insertions, 7 deletions

diff --git a/cgitrc.5.txt b/cgitrc.5.txtindex dba9751..d066dcc 100644--- a/cgitrc.5.txt+++ b/cgitrc.5.txt@@ -131,6 +131,19 @@ css:: 	Default value: "/cgit.css".  May be given multiple times, each 	css URL path is added in the head section of the document in turn. +date-format::+	Format used for the calendar dates in the age columns of the log, refs+	and index pages, both when "enable-relative-dates" is off and when a+	log entry is too old to be shown as an age. Accepts the same names as+	git's --date option: "default", "human", "iso" (or "iso8601"),+	"iso-strict" (or "iso8601-strict"), "raw", "relative", "rfc" (or+	"rfc2822"), "short" and "unix", each of which may carry a "-local"+	suffix, plus "format:<strftime>" for an arbitrary layout. An+	unrecognised value is ignored. Dates elsewhere, such as the author and+	committer lines on the commit page, are always ISO 8601 and are not+	affected, nor are the exact timestamps shown on hover. Default+	value: "short". See also: "local-time".+ email-filter:: 	Specifies a command which will be invoked to format names and email 	address of committers, authors, and taggers, as represented in various@@ -210,6 +223,12 @@ enable-log-linecount:: 	and removed lines for each commit on the repository log page. Default 	value: "0". +enable-relative-dates::+	Flag which, when set to "1", shows the age columns of the log, refs and+	index pages as an elapsed time such as "3 days" rather than a calendar+	date. When set to "0" those columns always show a date, formatted+	according to "date-format". Default value: "1".+ enable-remote-branches:: 	Flag which, when set to "1", will make cgit display remote branches 	in the summary and refs views. Default value: "0". See also:@@ -266,7 +285,7 @@ js::  local-time:: 	Flag which, if set to "1", makes cgit print commit and tag times in the-	servers timezone. Default value: "0".+	servers timezone. Default value: "0". See also: "date-format".  logo:: 	Url which specifies the source of an image which will be used as a logo
diff --git a/cgitrc.5.txt b/cgitrc.5.txt
index dba9751..d066dcc 100644
--- a/cgitrc.5.txt
+++ b/cgitrc.5.txt
@@ -131,6 +131,19 @@ css::
 	Default value: "/cgit.css".  May be given multiple times, each
 	css URL path is added in the head section of the document in turn.
 
+date-format::
+	Format used for the calendar dates in the age columns of the log, refs
+	and index pages, both when "enable-relative-dates" is off and when a
+	log entry is too old to be shown as an age. Accepts the same names as
+	git's --date option: "default", "human", "iso" (or "iso8601"),
+	"iso-strict" (or "iso8601-strict"), "raw", "relative", "rfc" (or
+	"rfc2822"), "short" and "unix", each of which may carry a "-local"
+	suffix, plus "format:<strftime>" for an arbitrary layout. An
+	unrecognised value is ignored. Dates elsewhere, such as the author and
+	committer lines on the commit page, are always ISO 8601 and are not
+	affected, nor are the exact timestamps shown on hover. Default
+	value: "short". See also: "local-time".
+
 email-filter::
 	Specifies a command which will be invoked to format names and email
 	address of committers, authors, and taggers, as represented in various
@@ -210,6 +223,12 @@ enable-log-linecount::
 	and removed lines for each commit on the repository log page. Default
 	value: "0".
 
+enable-relative-dates::
+	Flag which, when set to "1", shows the age columns of the log, refs and
+	index pages as an elapsed time such as "3 days" rather than a calendar
+	date. When set to "0" those columns always show a date, formatted
+	according to "date-format". Default value: "1".
+
 enable-remote-branches::
 	Flag which, when set to "1", will make cgit display remote branches
 	in the summary and refs views. Default value: "0". See also:
@@ -266,7 +285,7 @@ js::
 
 local-time::
 	Flag which, if set to "1", makes cgit print commit and tag times in the
-	servers timezone. Default value: "0".
+	servers timezone. Default value: "0". See also: "date-format".
 
 logo::
 	Url which specifies the source of an image which will be used as a logo
diff --git a/custom/cgitrc b/custom/cgitrcindex fd4ac34..d456301 100644--- a/custom/cgitrc+++ b/custom/cgitrc@@ -213,6 +213,10 @@ enable-log-filecount=0 # Default is 0. enable-log-linecount=0 +# Show ages in the log, refs and index columns as an elapsed time such as+# "3 days" rather than a calendar date. Values are 0 or 1. Default is 1.+enable-relative-dates=1+ # Display remote branches in summary and refs views. Values are 0 or 1. # Default is 0. enable-remote-branches=0@@ -384,6 +388,11 @@ side-by-side-diffs=0 # Default is 0. local-time=0 +# Format for the calendar dates in the age columns. Accepts the names git+# takes for --date, such as short, iso8601, rfc2822, human and unix, each of+# which may carry a -local suffix, plus format:<strftime>. Default is short.+date-format=short+ # Ordering of commits in the log view. Leaving this unset uses the git log # default. Values are date or topo. Default is unset. #commit-sort=date
diff --git a/custom/cgitrc b/custom/cgitrc
index fd4ac34..d456301 100644
--- a/custom/cgitrc
+++ b/custom/cgitrc
@@ -213,6 +213,10 @@ enable-log-filecount=0
 # Default is 0.
 enable-log-linecount=0
 
+# Show ages in the log, refs and index columns as an elapsed time such as
+# "3 days" rather than a calendar date. Values are 0 or 1. Default is 1.
+enable-relative-dates=1
+
 # Display remote branches in summary and refs views. Values are 0 or 1.
 # Default is 0.
 enable-remote-branches=0
@@ -384,6 +388,11 @@ side-by-side-diffs=0
 # Default is 0.
 local-time=0
 
+# Format for the calendar dates in the age columns. Accepts the names git
+# takes for --date, such as short, iso8601, rfc2822, human and unix, each of
+# which may carry a -local suffix, plus format:<strftime>. Default is short.
+date-format=short
+
 # Ordering of commits in the log view. Leaving this unset uses the git log
 # default. Values are date or topo. Default is unset.
 #commit-sort=date
diff --git a/source/cgit.c b/source/cgit.cindex c824da6..412d5f3 100644--- a/source/cgit.c+++ b/source/cgit.c@@ -199,6 +199,8 @@ static void config_cb(const char *name, const char *value) 		ctx.cfg.enable_log_filecount = atoi(value); 	else if (!strcmp(name, "enable-log-linecount")) 		ctx.cfg.enable_log_linecount = atoi(value);+	else if (!strcmp(name, "enable-relative-dates"))+		ctx.cfg.enable_relative_dates = atoi(value); 	else if (!strcmp(name, "enable-remote-branches")) 		ctx.cfg.enable_remote_branches = atoi(value); 	else if (!strcmp(name, "enable-subject-links"))@@ -311,6 +313,8 @@ static void config_cb(const char *name, const char *value) 		ctx.cfg.clone_url = strdup_first_line(value); 	else if (!strcmp(name, "local-time")) 		ctx.cfg.local_time = atoi(value);+	else if (!strcmp(name, "date-format"))+		cgit_parse_date_format(value, &ctx.cfg.date_mode); 	else if (!strcmp(name, "commit-sort")) { 		if (!strcmp(value, "date")) 			ctx.cfg.commit_sort = 1;@@ -412,6 +416,8 @@ static void prepare_context(void) 	ctx.cfg.logo = "/cgit.png"; 	ctx.cfg.favicon = "/favicon.ico"; 	ctx.cfg.local_time = 0;+	ctx.cfg.date_mode = date_mode_from_type(DATE_SHORT);+	ctx.cfg.enable_relative_dates = 1; 	ctx.cfg.enable_http_clone = 1; 	ctx.cfg.enable_index_owner = 1; 	ctx.cfg.enable_tree_linenumbers = 1;
diff --git a/source/cgit.c b/source/cgit.c
index c824da6..412d5f3 100644
--- a/source/cgit.c
+++ b/source/cgit.c
@@ -199,6 +199,8 @@ static void config_cb(const char *name, const char *value)
 		ctx.cfg.enable_log_filecount = atoi(value);
 	else if (!strcmp(name, "enable-log-linecount"))
 		ctx.cfg.enable_log_linecount = atoi(value);
+	else if (!strcmp(name, "enable-relative-dates"))
+		ctx.cfg.enable_relative_dates = atoi(value);
 	else if (!strcmp(name, "enable-remote-branches"))
 		ctx.cfg.enable_remote_branches = atoi(value);
 	else if (!strcmp(name, "enable-subject-links"))
@@ -311,6 +313,8 @@ static void config_cb(const char *name, const char *value)
 		ctx.cfg.clone_url = strdup_first_line(value);
 	else if (!strcmp(name, "local-time"))
 		ctx.cfg.local_time = atoi(value);
+	else if (!strcmp(name, "date-format"))
+		cgit_parse_date_format(value, &ctx.cfg.date_mode);
 	else if (!strcmp(name, "commit-sort")) {
 		if (!strcmp(value, "date"))
 			ctx.cfg.commit_sort = 1;
@@ -412,6 +416,8 @@ static void prepare_context(void)
 	ctx.cfg.logo = "/cgit.png";
 	ctx.cfg.favicon = "/favicon.ico";
 	ctx.cfg.local_time = 0;
+	ctx.cfg.date_mode = date_mode_from_type(DATE_SHORT);
+	ctx.cfg.enable_relative_dates = 1;
 	ctx.cfg.enable_http_clone = 1;
 	ctx.cfg.enable_index_owner = 1;
 	ctx.cfg.enable_tree_linenumbers = 1;
diff --git a/source/cgit.h b/source/cgit.hindex 78129b5..c41854e 100644--- a/source/cgit.h+++ b/source/cgit.h@@ -7,6 +7,7 @@  #include <archive.h> #include <commit.h>+#include <date.h> #include <diffcore.h> #include <diff.h> #include <environment.h>@@ -217,6 +218,7 @@ struct cgit_config { 	char *repository_sort; 	char *virtual_root;	/* Always ends with '/'. */ 	char *strict_export;+	struct date_mode date_mode; 	int cache_size; 	int cache_dynamic_ttl; 	int cache_repo_ttl;@@ -237,6 +239,7 @@ struct cgit_config { 	int enable_commit_graph; 	int enable_log_filecount; 	int enable_log_linecount;+	int enable_relative_dates; 	int enable_remote_branches; 	int enable_subject_links; 	int enable_html_serving;@@ -382,6 +385,7 @@ extern void cgit_parse_url(const char *url); extern const char *cgit_repobasename(const char *reponame);  extern int cgit_parse_snapshots_mask(const char *str);+extern void cgit_parse_date_format(const char *format, struct date_mode *mode); extern const struct object_id *cgit_snapshot_get_sig(const char *ref, 						     const struct cgit_snapshot_format *f); extern const unsigned cgit_snapshot_format_bit(const struct cgit_snapshot_format *f);
diff --git a/source/cgit.h b/source/cgit.h
index 78129b5..c41854e 100644
--- a/source/cgit.h
+++ b/source/cgit.h
@@ -7,6 +7,7 @@
 
 #include <archive.h>
 #include <commit.h>
+#include <date.h>
 #include <diffcore.h>
 #include <diff.h>
 #include <environment.h>
@@ -217,6 +218,7 @@ struct cgit_config {
 	char *repository_sort;
 	char *virtual_root;	/* Always ends with '/'. */
 	char *strict_export;
+	struct date_mode date_mode;
 	int cache_size;
 	int cache_dynamic_ttl;
 	int cache_repo_ttl;
@@ -237,6 +239,7 @@ struct cgit_config {
 	int enable_commit_graph;
 	int enable_log_filecount;
 	int enable_log_linecount;
+	int enable_relative_dates;
 	int enable_remote_branches;
 	int enable_subject_links;
 	int enable_html_serving;
@@ -382,6 +385,7 @@ extern void cgit_parse_url(const char *url);
 extern const char *cgit_repobasename(const char *reponame);
 
 extern int cgit_parse_snapshots_mask(const char *str);
+extern void cgit_parse_date_format(const char *format, struct date_mode *mode);
 extern const struct object_id *cgit_snapshot_get_sig(const char *ref,
 						     const struct cgit_snapshot_format *f);
 extern const unsigned cgit_snapshot_format_bit(const struct cgit_snapshot_format *f);
diff --git a/source/shared.c b/source/shared.cindex 59f1c8e..058d938 100644--- a/source/shared.c+++ b/source/shared.c@@ -439,6 +439,39 @@ int cgit_parse_snapshots_mask(const char *str) 	return rv; } +/*+ * Git's parse_date_format() dies on anything it does not recognize, which+ * would turn a typo in cgitrc into a failed request, so gate it behind the+ * set of formats cgit documents and leave the mode alone otherwise.+ */+void cgit_parse_date_format(const char *format, struct date_mode *mode)+{+	static const char * const names[] = {+		"default", "human", "iso", "iso-strict", "iso8601",+		"iso8601-strict", "local", "raw", "relative", "rfc",+		"rfc2822", "short", "unix",+	};+	const char *rest;+	size_t i;++	if (skip_prefix(format, "format:", &rest)) {+		// an empty strftime format would render every date blank+		if (*rest)+			parse_date_format(format, mode);+		return;+	}++	for (i = 0; i < ARRAY_SIZE(names); i++) {+		if (!skip_prefix(format, names[i], &rest))+			continue;+		// "iso" also prefixes "iso8601", so keep looking on a partial hit+		if (*rest && strcmp(rest, "-local"))+			continue;+		parse_date_format(format, mode);+		return;+	}+}+ typedef struct { 	char * name; 	char * value;
diff --git a/source/shared.c b/source/shared.c
index 59f1c8e..058d938 100644
--- a/source/shared.c
+++ b/source/shared.c
@@ -439,6 +439,39 @@ int cgit_parse_snapshots_mask(const char *str)
 	return rv;
 }
 
+/*
+ * Git's parse_date_format() dies on anything it does not recognize, which
+ * would turn a typo in cgitrc into a failed request, so gate it behind the
+ * set of formats cgit documents and leave the mode alone otherwise.
+ */
+void cgit_parse_date_format(const char *format, struct date_mode *mode)
+{
+	static const char * const names[] = {
+		"default", "human", "iso", "iso-strict", "iso8601",
+		"iso8601-strict", "local", "raw", "relative", "rfc",
+		"rfc2822", "short", "unix",
+	};
+	const char *rest;
+	size_t i;
+
+	if (skip_prefix(format, "format:", &rest)) {
+		// an empty strftime format would render every date blank
+		if (*rest)
+			parse_date_format(format, mode);
+		return;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(names); i++) {
+		if (!skip_prefix(format, names[i], &rest))
+			continue;
+		// "iso" also prefixes "iso8601", so keep looking on a partial hit
+		if (*rest && strcmp(rest, "-local"))
+			continue;
+		parse_date_format(format, mode);
+		return;
+	}
+}
+
 typedef struct {
 	char * name;
 	char * value;
diff --git a/source/ui-shared.c b/source/ui-shared.cindex ace06b2..d023243 100644--- a/source/ui-shared.c+++ b/source/ui-shared.c@@ -672,6 +672,28 @@ const struct date_mode cgit_date_mode(enum date_mode_type type) 	return mode; } +/*+ * The mode date-format selects, used wherever an age column falls back to a+ * calendar date. local-time still forces local rendering on top of it.+ */+static const struct date_mode cgit_configured_date_mode(void)+{+	struct date_mode mode = ctx.cfg.date_mode;++	if (ctx.cfg.local_time)+		mode.local = 1;+	return mode;+}++static void print_abs_date(time_t t, int tz)+{+	html("<span title='");+	html_attr(show_date(t, tz, cgit_date_mode(DATE_ISO8601)));+	html("'>");+	html_txt(show_date(t, tz, cgit_configured_date_mode()));+	html("</span>");+}+ static void print_rel_date(time_t t, int tz, double value, 	const char *class, const char *suffix) {@@ -691,12 +713,9 @@ void cgit_print_age(time_t t, int tz, time_t max_relative) 	if (secs < 0) 		secs = 0; -	if (secs > max_relative && max_relative >= 0) {-		html("<span title='");-		html_attr(show_date(t, tz, cgit_date_mode(DATE_ISO8601)));-		html("'>");-		html_txt(show_date(t, tz, cgit_date_mode(DATE_SHORT)));-		html("</span>");+	if (!ctx.cfg.enable_relative_dates ||+	    (secs > max_relative && max_relative >= 0)) {+		print_abs_date(t, tz); 		return; 	} 
diff --git a/source/ui-shared.c b/source/ui-shared.c
index ace06b2..d023243 100644
--- a/source/ui-shared.c
+++ b/source/ui-shared.c
@@ -672,6 +672,28 @@ const struct date_mode cgit_date_mode(enum date_mode_type type)
 	return mode;
 }
 
+/*
+ * The mode date-format selects, used wherever an age column falls back to a
+ * calendar date. local-time still forces local rendering on top of it.
+ */
+static const struct date_mode cgit_configured_date_mode(void)
+{
+	struct date_mode mode = ctx.cfg.date_mode;
+
+	if (ctx.cfg.local_time)
+		mode.local = 1;
+	return mode;
+}
+
+static void print_abs_date(time_t t, int tz)
+{
+	html("<span title='");
+	html_attr(show_date(t, tz, cgit_date_mode(DATE_ISO8601)));
+	html("'>");
+	html_txt(show_date(t, tz, cgit_configured_date_mode()));
+	html("</span>");
+}
+
 static void print_rel_date(time_t t, int tz, double value,
 	const char *class, const char *suffix)
 {
@@ -691,12 +713,9 @@ void cgit_print_age(time_t t, int tz, time_t max_relative)
 	if (secs < 0)
 		secs = 0;
 
-	if (secs > max_relative && max_relative >= 0) {
-		html("<span title='");
-		html_attr(show_date(t, tz, cgit_date_mode(DATE_ISO8601)));
-		html("'>");
-		html_txt(show_date(t, tz, cgit_date_mode(DATE_SHORT)));
-		html("</span>");
+	if (!ctx.cfg.enable_relative_dates ||
+	    (secs > max_relative && max_relative >= 0)) {
+		print_abs_date(t, tz);
 		return;
 	}
 
diff --git a/tests/t0203-dates.sh b/tests/t0203-dates.shnew file mode 100755index 0000000..1bd6253--- /dev/null+++ b/tests/t0203-dates.sh@@ -0,0 +1,91 @@+#!/bin/sh++test_description='Check the date display options'+. ./setup.sh++# An old commit and a fresh one, so a single log page exercises both the+# relative rendering and the calendar fallback past the two week cutoff.+test_expect_success 'set up a dated repo' '+	mkrepo repos/dated 1 &&+	(+		cd repos/dated &&+		GIT_AUTHOR_DATE="@1112911993 +0000" \+		GIT_COMMITTER_DATE="@1112911993 +0000" \+			git commit --allow-empty -m old &&+		GIT_AUTHOR_DATE="@$(date +%s) +0000" \+		GIT_COMMITTER_DATE="@$(date +%s) +0000" \+			git commit --allow-empty -m fresh+	)+'++# Each argument is written as one extra config line.+daterc() {+	{+		echo "virtual-root=/"+		echo "cache-size=0"+		printf '%s\n' "$@"+		echo "repo.url=dated"+		echo "repo.path=$PWD/repos/dated/.git"+	} >daterc+}++dateq() { CGIT_CONFIG="$PWD/daterc" QUERY_STRING="$1" cgit; }++test_expect_success 'relative dates are on by default' '+	daterc &&+	dateq "url=dated/refs/" >tmp &&+	grep "class=.age-" tmp+'++test_expect_success 'enable-relative-dates=0 shows a calendar date' '+	daterc "enable-relative-dates=0" &&+	dateq "url=dated/refs/" >tmp &&+	! grep "class=.age-" tmp &&+	grep "[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]<" tmp+'++test_expect_success 'the index and log columns follow the same flag' '+	daterc "enable-relative-dates=0" &&+	dateq "" >tmp &&+	! grep "class=.age-" tmp &&+	dateq "url=dated/log/" >tmp &&+	! grep "class=.age-" tmp+'++test_expect_success 'date-format selects the calendar format' '+	daterc "enable-relative-dates=0" "date-format=iso8601" &&+	dateq "url=dated/refs/" >tmp &&+	grep ">[0-9-]* [0-9][0-9]:[0-9][0-9]:[0-9][0-9] +0000<" tmp+'++test_expect_success 'date-format accepts a strftime format' '+	daterc "enable-relative-dates=0" "date-format=format:%Y/%m/%d" &&+	dateq "url=dated/refs/" >tmp &&+	grep ">[0-9][0-9][0-9][0-9]/[0-9][0-9]/[0-9][0-9]<" tmp+'++test_expect_success 'an unknown date-format falls back to short' '+	daterc "enable-relative-dates=0" "date-format=nonsense" &&+	dateq "url=dated/refs/" >tmp &&+	grep "[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]<" tmp &&+	daterc "enable-relative-dates=0" "date-format=format:" &&+	dateq "url=dated/refs/" >tmp &&+	grep "[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]<" tmp+'++test_expect_success 'date-format still formats the log fallback' '+	daterc "date-format=rfc2822" &&+	dateq "url=dated/log/" >tmp &&+	grep "class=.age-" tmp &&+	grep ">[A-Z][a-z][a-z], [0-9]* Apr 2005 " tmp+'++test_expect_success 'date-format leaves the commit page on ISO 8601' '+	daterc "date-format=rfc2822" &&+	sha=$(git -C repos/dated rev-parse HEAD~1) &&+	dateq "url=dated/commit/&id=$sha" >tmp &&+	grep "2005-04-07 [0-9:]* +0000" tmp &&+	! grep "Apr 2005" tmp+'++test_done
diff --git a/tests/t0203-dates.sh b/tests/t0203-dates.sh
new file mode 100755
index 0000000..1bd6253
--- /dev/null
+++ b/tests/t0203-dates.sh
@@ -0,0 +1,91 @@
+#!/bin/sh
+
+test_description='Check the date display options'
+. ./setup.sh
+
+# An old commit and a fresh one, so a single log page exercises both the
+# relative rendering and the calendar fallback past the two week cutoff.
+test_expect_success 'set up a dated repo' '
+	mkrepo repos/dated 1 &&
+	(
+		cd repos/dated &&
+		GIT_AUTHOR_DATE="@1112911993 +0000" \
+		GIT_COMMITTER_DATE="@1112911993 +0000" \
+			git commit --allow-empty -m old &&
+		GIT_AUTHOR_DATE="@$(date +%s) +0000" \
+		GIT_COMMITTER_DATE="@$(date +%s) +0000" \
+			git commit --allow-empty -m fresh
+	)
+'
+
+# Each argument is written as one extra config line.
+daterc() {
+	{
+		echo "virtual-root=/"
+		echo "cache-size=0"
+		printf '%s\n' "$@"
+		echo "repo.url=dated"
+		echo "repo.path=$PWD/repos/dated/.git"
+	} >daterc
+}
+
+dateq() { CGIT_CONFIG="$PWD/daterc" QUERY_STRING="$1" cgit; }
+
+test_expect_success 'relative dates are on by default' '
+	daterc &&
+	dateq "url=dated/refs/" >tmp &&
+	grep "class=.age-" tmp
+'
+
+test_expect_success 'enable-relative-dates=0 shows a calendar date' '
+	daterc "enable-relative-dates=0" &&
+	dateq "url=dated/refs/" >tmp &&
+	! grep "class=.age-" tmp &&
+	grep "[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]<" tmp
+'
+
+test_expect_success 'the index and log columns follow the same flag' '
+	daterc "enable-relative-dates=0" &&
+	dateq "" >tmp &&
+	! grep "class=.age-" tmp &&
+	dateq "url=dated/log/" >tmp &&
+	! grep "class=.age-" tmp
+'
+
+test_expect_success 'date-format selects the calendar format' '
+	daterc "enable-relative-dates=0" "date-format=iso8601" &&
+	dateq "url=dated/refs/" >tmp &&
+	grep ">[0-9-]* [0-9][0-9]:[0-9][0-9]:[0-9][0-9] +0000<" tmp
+'
+
+test_expect_success 'date-format accepts a strftime format' '
+	daterc "enable-relative-dates=0" "date-format=format:%Y/%m/%d" &&
+	dateq "url=dated/refs/" >tmp &&
+	grep ">[0-9][0-9][0-9][0-9]/[0-9][0-9]/[0-9][0-9]<" tmp
+'
+
+test_expect_success 'an unknown date-format falls back to short' '
+	daterc "enable-relative-dates=0" "date-format=nonsense" &&
+	dateq "url=dated/refs/" >tmp &&
+	grep "[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]<" tmp &&
+	daterc "enable-relative-dates=0" "date-format=format:" &&
+	dateq "url=dated/refs/" >tmp &&
+	grep "[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]<" tmp
+'
+
+test_expect_success 'date-format still formats the log fallback' '
+	daterc "date-format=rfc2822" &&
+	dateq "url=dated/log/" >tmp &&
+	grep "class=.age-" tmp &&
+	grep ">[A-Z][a-z][a-z], [0-9]* Apr 2005 " tmp
+'
+
+test_expect_success 'date-format leaves the commit page on ISO 8601' '
+	daterc "date-format=rfc2822" &&
+	sha=$(git -C repos/dated rev-parse HEAD~1) &&
+	dateq "url=dated/commit/&id=$sha" >tmp &&
+	grep "2005-04-07 [0-9:]* +0000" tmp &&
+	! grep "Apr 2005" tmp
+'
+
+test_done