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-rw-r--r--www/git.causal.agency/cgit/Makefile2
-rw-r--r--www/git.causal.agency/cgit/cache.c6
-rw-r--r--www/git.causal.agency/cgit/cgit.c16
-rw-r--r--www/git.causal.agency/cgit/cgit.css2
-rw-r--r--www/git.causal.agency/cgit/cgit.h8
-rw-r--r--www/git.causal.agency/cgit/cmd.c18
-rwxr-xr-xwww/git.causal.agency/cgit/filters/commit-links.sh2
-rwxr-xr-xwww/git.causal.agency/cgit/filters/html-converters/md2html7
-rw-r--r--www/git.causal.agency/cgit/parsing.c5
-rwxr-xr-xwww/git.causal.agency/cgit/tests/setup.sh12
-rwxr-xr-xwww/git.causal.agency/cgit/tests/t0001-validate-git-versions.sh4
-rwxr-xr-xwww/git.causal.agency/cgit/tests/t0105-commit.sh2
-rwxr-xr-xwww/git.causal.agency/cgit/tests/t0107-snapshot.sh17
-rwxr-xr-xwww/git.causal.agency/cgit/tests/t0109-gitconfig.sh2
-rw-r--r--www/git.causal.agency/cgit/ui-blame.c26
-rw-r--r--www/git.causal.agency/cgit/ui-blob.c20
-rw-r--r--www/git.causal.agency/cgit/ui-commit.c10
-rw-r--r--www/git.causal.agency/cgit/ui-diff.c8
-rw-r--r--www/git.causal.agency/cgit/ui-log.c42
-rw-r--r--www/git.causal.agency/cgit/ui-patch.c2
-rw-r--r--www/git.causal.agency/cgit/ui-plain.c13
-rw-r--r--www/git.causal.agency/cgit/ui-shared.c49
-rw-r--r--www/git.causal.agency/cgit/ui-snapshot.c24
-rw-r--r--www/git.causal.agency/cgit/ui-stats.c48
-rw-r--r--www/git.causal.agency/cgit/ui-tag.c6
-rw-r--r--www/git.causal.agency/cgit/ui-tree.c21
26 files changed, 179 insertions, 193 deletions
diff --git a/www/git.causal.agency/cgit/Makefile b/www/git.causal.agency/cgit/Makefile
index 0c5b632d..358a3c8e 100644
--- a/www/git.causal.agency/cgit/Makefile
+++ b/www/git.causal.agency/cgit/Makefile
@@ -14,7 +14,7 @@ htmldir = $(docdir)
 pdfdir = $(docdir)
 mandir = $(prefix)/share/man
 SHA1_HEADER = <openssl/sha.h>
-GIT_VER = 2.25.1
+GIT_VER = 2.32.0
 GIT_URL = https://www.kernel.org/pub/software/scm/git/git-$(GIT_VER).tar.gz
 INSTALL = install
 COPYTREE = cp -r
diff --git a/www/git.causal.agency/cgit/cache.c b/www/git.causal.agency/cgit/cache.c
index 580c0e80..578b73b0 100644
--- a/www/git.causal.agency/cgit/cache.c
+++ b/www/git.causal.agency/cgit/cache.c
@@ -408,12 +408,12 @@ int cache_process(int size, const char *path, const char *key, int ttl,
 static char *sprintftime(const char *format, time_t time)
 {
 	static char buf[64];
-	struct tm *tm;
+	struct tm tm;
 
 	if (!time)
 		return NULL;
-	tm = gmtime(&time);
-	strftime(buf, sizeof(buf)-1, format, tm);
+	gmtime_r(&time, &tm);
+	strftime(buf, sizeof(buf)-1, format, &tm);
 	return buf;
 }
 
diff --git a/www/git.causal.agency/cgit/cgit.c b/www/git.causal.agency/cgit/cgit.c
index 1d3a198f..a86970de 100644
--- a/www/git.causal.agency/cgit/cgit.c
+++ b/www/git.causal.agency/cgit/cgit.c
@@ -324,11 +324,11 @@ static void querystring_cb(const char *name, const char *value)
 		ctx.qry.head = xstrdup(value);
 		ctx.qry.has_symref = 1;
 	} else if (!strcmp(name, "id")) {
-		ctx.qry.sha1 = xstrdup(value);
-		ctx.qry.has_sha1 = 1;
+		ctx.qry.oid = xstrdup(value);
+		ctx.qry.has_oid = 1;
 	} else if (!strcmp(name, "id2")) {
-		ctx.qry.sha2 = xstrdup(value);
-		ctx.qry.has_sha1 = 1;
+		ctx.qry.oid2 = xstrdup(value);
+		ctx.qry.has_oid = 1;
 	} else if (!strcmp(name, "ofs")) {
 		ctx.qry.ofs = atoi(value);
 	} else if (!strcmp(name, "path")) {
@@ -986,9 +986,9 @@ static void cgit_parse_args(int argc, const char **argv)
 		} else if (skip_prefix(argv[i], "--head=", &arg)) {
 			ctx.qry.head = xstrdup(arg);
 			ctx.qry.has_symref = 1;
-		} else if (skip_prefix(argv[i], "--sha1=", &arg)) {
-			ctx.qry.sha1 = xstrdup(arg);
-			ctx.qry.has_sha1 = 1;
+		} else if (skip_prefix(argv[i], "--oid=", &arg)) {
+			ctx.qry.oid = xstrdup(arg);
+			ctx.qry.has_oid = 1;
 		} else if (skip_prefix(argv[i], "--ofs=", &arg)) {
 			ctx.qry.ofs = atoi(arg);
 		} else if (skip_prefix(argv[i], "--scan-tree=", &arg) ||
@@ -1031,7 +1031,7 @@ static int calc_ttl(void)
 	if (!strcmp(ctx.qry.page, "snapshot"))
 		return ctx.cfg.cache_snapshot_ttl;
 
-	if (ctx.qry.has_sha1)
+	if (ctx.qry.has_oid)
 		return ctx.cfg.cache_static_ttl;
 
 	if (ctx.qry.has_symref)
diff --git a/www/git.causal.agency/cgit/cgit.css b/www/git.causal.agency/cgit/cgit.css
index 36826b07..f3dbb7a9 100644
--- a/www/git.causal.agency/cgit/cgit.css
+++ b/www/git.causal.agency/cgit/cgit.css
@@ -550,7 +550,7 @@ div#cgit table.diff td span.del {
 	color: red;
 }
 
-div#cgit .sha1 {
+div#cgit .oid {
 	font-family: monospace;
 	font-size: 90%;
 }
diff --git a/www/git.causal.agency/cgit/cgit.h b/www/git.causal.agency/cgit/cgit.h
index f8471865..72fcd849 100644
--- a/www/git.causal.agency/cgit/cgit.h
+++ b/www/git.causal.agency/cgit/cgit.h
@@ -14,7 +14,7 @@
 #include <tag.h>
 #include <diff.h>
 #include <diffcore.h>
-#include <argv-array.h>
+#include <strvec.h>
 #include <refs.h>
 #include <revision.h>
 #include <log-tree.h>
@@ -164,7 +164,7 @@ struct reflist {
 
 struct cgit_query {
 	int has_symref;
-	int has_sha1;
+	int has_oid;
 	int has_difftype;
 	char *raw;
 	char *repo;
@@ -172,8 +172,8 @@ struct cgit_query {
 	char *search;
 	char *grep;
 	char *head;
-	char *sha1;
-	char *sha2;
+	char *oid;
+	char *oid2;
 	char *path;
 	char *name;
 	char *url;
diff --git a/www/git.causal.agency/cgit/cmd.c b/www/git.causal.agency/cgit/cmd.c
index bf6d8f51..0eb75b1d 100644
--- a/www/git.causal.agency/cgit/cmd.c
+++ b/www/git.causal.agency/cgit/cmd.c
@@ -74,22 +74,22 @@ static void blame_fn(void)
 
 static void blob_fn(void)
 {
-	cgit_print_blob(ctx.qry.sha1, ctx.qry.path, ctx.qry.head, 0);
+	cgit_print_blob(ctx.qry.oid, ctx.qry.path, ctx.qry.head, 0);
 }
 
 static void commit_fn(void)
 {
-	cgit_print_commit(ctx.qry.sha1, ctx.qry.path);
+	cgit_print_commit(ctx.qry.oid, ctx.qry.path);
 }
 
 static void diff_fn(void)
 {
-	cgit_print_diff(ctx.qry.sha1, ctx.qry.sha2, ctx.qry.path, 1, 0);
+	cgit_print_diff(ctx.qry.oid, ctx.qry.oid2, ctx.qry.path, 1, 0);
 }
 
 static void rawdiff_fn(void)
 {
-	cgit_print_diff(ctx.qry.sha1, ctx.qry.sha2, ctx.qry.path, 1, 1);
+	cgit_print_diff(ctx.qry.oid, ctx.qry.oid2, ctx.qry.path, 1, 1);
 }
 
 static void info_fn(void)
@@ -99,7 +99,7 @@ static void info_fn(void)
 
 static void log_fn(void)
 {
-	cgit_print_log(ctx.qry.sha1, ctx.qry.ofs, ctx.cfg.max_commit_count,
+	cgit_print_log(ctx.qry.oid, ctx.qry.ofs, ctx.cfg.max_commit_count,
 		       ctx.qry.grep, ctx.qry.search, ctx.qry.path, 1,
 		       ctx.repo->enable_commit_graph,
 		       ctx.repo->commit_sort);
@@ -125,7 +125,7 @@ static void repolist_fn(void)
 
 static void patch_fn(void)
 {
-	cgit_print_patch(ctx.qry.sha1, ctx.qry.sha2, ctx.qry.path);
+	cgit_print_patch(ctx.qry.oid, ctx.qry.oid2, ctx.qry.path);
 }
 
 static void plain_fn(void)
@@ -140,7 +140,7 @@ static void refs_fn(void)
 
 static void snapshot_fn(void)
 {
-	cgit_print_snapshot(ctx.qry.head, ctx.qry.sha1, ctx.qry.path,
+	cgit_print_snapshot(ctx.qry.head, ctx.qry.oid, ctx.qry.path,
 			    ctx.qry.nohead);
 }
 
@@ -156,12 +156,12 @@ static void summary_fn(void)
 
 static void tag_fn(void)
 {
-	cgit_print_tag(ctx.qry.sha1);
+	cgit_print_tag(ctx.qry.oid);
 }
 
 static void tree_fn(void)
 {
-	cgit_print_tree(ctx.qry.sha1, ctx.qry.path);
+	cgit_print_tree(ctx.qry.oid, ctx.qry.path);
 }
 
 #define def_cmd(name, want_repo, want_vpath, is_clone) \
diff --git a/www/git.causal.agency/cgit/filters/commit-links.sh b/www/git.causal.agency/cgit/filters/commit-links.sh
index 58819524..796ac308 100755
--- a/www/git.causal.agency/cgit/filters/commit-links.sh
+++ b/www/git.causal.agency/cgit/filters/commit-links.sh
@@ -19,7 +19,7 @@ regex=''
 
 # This expression generates links to commits referenced by their SHA1.
 regex=$regex'
-s|\b([0-9a-fA-F]{7,40})\b|<a href="./?id=\1">\1</a>|g'
+s|\b([0-9a-fA-F]{7,64})\b|<a href="./?id=\1">\1</a>|g'
 
 # This expression generates links to a fictional bugtracker.
 regex=$regex'
diff --git a/www/git.causal.agency/cgit/filters/html-converters/md2html b/www/git.causal.agency/cgit/filters/html-converters/md2html
index dc20f42a..59f43a84 100755
--- a/www/git.causal.agency/cgit/filters/html-converters/md2html
+++ b/www/git.causal.agency/cgit/filters/html-converters/md2html
@@ -86,11 +86,7 @@ div#cgit .markdown-body h1 a.toclink, div#cgit .markdown-body h2 a.toclink, div#
     margin: 15px 0;
 }
 .markdown-body hr {
-    background: transparent url("/dirty-shade.png") repeat-x 0 0;
-    border: 0 none;
-    color: #ccc;
-    height: 4px;
-    padding: 0;
+    border: 2px solid #ccc;
 }
 .markdown-body>h2:first-child, .markdown-body>h1:first-child, .markdown-body>h1:first-child+h2, .markdown-body>h3:first-child, .markdown-body>h4:first-child, .markdown-body>h5:first-child, .markdown-body>h6:first-child {
     margin-top: 0;
@@ -301,6 +297,7 @@ markdown.markdownFromFile(
 		"markdown.extensions.fenced_code",
 		"markdown.extensions.codehilite",
 		"markdown.extensions.tables",
+		"markdown.extensions.sane_lists",
 		TocExtension(anchorlink=True)],
 	extension_configs={
 		"markdown.extensions.codehilite":{"css_class":"highlight"}})
diff --git a/www/git.causal.agency/cgit/parsing.c b/www/git.causal.agency/cgit/parsing.c
index 93b4767e..72b59b3c 100644
--- a/www/git.causal.agency/cgit/parsing.c
+++ b/www/git.causal.agency/cgit/parsing.c
@@ -127,7 +127,6 @@ static int end_of_header(const char *p)
 
 struct commitinfo *cgit_parse_commit(struct commit *commit)
 {
-	const int sha1hex_len = 40;
 	struct commitinfo *ret;
 	const char *p = repo_get_commit_buffer(the_repository, commit, NULL);
 	const char *t;
@@ -140,10 +139,10 @@ struct commitinfo *cgit_parse_commit(struct commit *commit)
 
 	if (!skip_prefix(p, "tree ", &p))
 		die("Bad commit: %s", oid_to_hex(&commit->object.oid));
-	p += sha1hex_len + 1;
+	p += the_hash_algo->hexsz + 1;
 
 	while (skip_prefix(p, "parent ", &p))
-		p += sha1hex_len + 1;
+		p += the_hash_algo->hexsz + 1;
 
 	if (p && skip_prefix(p, "author ", &p)) {
 		parse_user(p, &ret->author, &ret->author_email,
diff --git a/www/git.causal.agency/cgit/tests/setup.sh b/www/git.causal.agency/cgit/tests/setup.sh
index 9a85d3a2..31e7d5bb 100755
--- a/www/git.causal.agency/cgit/tests/setup.sh
+++ b/www/git.causal.agency/cgit/tests/setup.sh
@@ -74,13 +74,17 @@ mkrepo() {
 			git commit -m "commit $n"
 			n=$(expr $n + 1)
 		done
-		if test "$3" = "testplus"
-		then
+		case "$3" in
+		testplus)
 			echo "hello" >a+b
 			git add a+b
 			git commit -m "add a+b"
 			git branch "1+2"
-		fi
+			;;
+		commit-graph)
+			git commit-graph write
+			;;
+		esac
 	)
 }
 
@@ -89,7 +93,7 @@ setup_repos()
 	rm -rf cache
 	mkdir -p cache
 	mkrepo repos/foo 5 >/dev/null
-	mkrepo repos/bar 50 >/dev/null
+	mkrepo repos/bar 50 commit-graph >/dev/null
 	mkrepo repos/foo+bar 10 testplus >/dev/null
 	mkrepo "repos/with space" 2 >/dev/null
 	mkrepo repos/filter 5 testplus >/dev/null
diff --git a/www/git.causal.agency/cgit/tests/t0001-validate-git-versions.sh b/www/git.causal.agency/cgit/tests/t0001-validate-git-versions.sh
index 73bd32f5..dd84fe3f 100755
--- a/www/git.causal.agency/cgit/tests/t0001-validate-git-versions.sh
+++ b/www/git.causal.agency/cgit/tests/t0001-validate-git-versions.sh
@@ -33,10 +33,10 @@ test_expect_success 'test submodule version matches Makefile' '
 	else
 		(
 			cd ../.. &&
-			sm_sha1=$(git ls-files --stage -- git |
+			sm_oid=$(git ls-files --stage -- git |
 				sed -e "s/^[0-9]* \\([0-9a-f]*\\) [0-9]	.*$/\\1/") &&
 			cd git &&
-			git describe --match "v[0-9]*" $sm_sha1
+			git describe --match "v[0-9]*" $sm_oid
 		) | sed -e "s/^v//" -e "s/-/./" >sm_version &&
 		test_cmp sm_version makefile_version
 	fi
diff --git a/www/git.causal.agency/cgit/tests/t0105-commit.sh b/www/git.causal.agency/cgit/tests/t0105-commit.sh
index d5ff96c8..cfed1e7d 100755
--- a/www/git.causal.agency/cgit/tests/t0105-commit.sh
+++ b/www/git.causal.agency/cgit/tests/t0105-commit.sh
@@ -25,7 +25,7 @@ test_expect_success 'get root commit' '
 '
 
 test_expect_success 'root commit contains diffstat' '
-	grep "<a href=./foo/diff/file-1.id=[0-9a-f]\{40\}.>file-1</a>" tmp
+	grep "<a href=./foo/diff/file-1.id=[0-9a-f]\{40,64\}.>file-1</a>" tmp
 '
 
 test_expect_success 'root commit contains diff' '
diff --git a/www/git.causal.agency/cgit/tests/t0107-snapshot.sh b/www/git.causal.agency/cgit/tests/t0107-snapshot.sh
index c164d3e2..0811ec40 100755
--- a/www/git.causal.agency/cgit/tests/t0107-snapshot.sh
+++ b/www/git.causal.agency/cgit/tests/t0107-snapshot.sh
@@ -25,7 +25,7 @@ test_expect_success 'verify gzip format' '
 
 test_expect_success 'untar' '
 	rm -rf master &&
-	tar -xzf master.tar.gz
+	gzip -dc master.tar.gz | tar -xf -
 '
 
 test_expect_success 'count files' '
@@ -61,13 +61,12 @@ test_expect_success LZIP 'strip off the header lines' '
 '
 
 test_expect_success LZIP 'verify lzip format' '
-	lzip --test master.tar.lz &&
-	cp master.tar.lz /tmp/.
+	lzip --test master.tar.lz
 '
 
 test_expect_success LZIP 'untar' '
 	rm -rf master &&
-	tar --lzip -xf master.tar.lz
+	lzip -dc master.tar.lz | tar -xf -
 '
 
 test_expect_success LZIP 'count files' '
@@ -103,13 +102,12 @@ test_expect_success XZ 'strip off the header lines' '
 '
 
 test_expect_success XZ 'verify xz format' '
-	xz --test master.tar.xz &&
-	cp master.tar.xz /tmp/.
+	xz --test master.tar.xz
 '
 
 test_expect_success XZ 'untar' '
 	rm -rf master &&
-	tar --xz -xf master.tar.xz
+	xz -dc master.tar.xz | tar -xf -
 '
 
 test_expect_success XZ 'count files' '
@@ -145,13 +143,12 @@ test_expect_success ZSTD 'strip off the header lines' '
 '
 
 test_expect_success ZSTD 'verify zstd format' '
-	zstd --test master.tar.zst &&
-	cp master.tar.zst /tmp/.
+	zstd --test master.tar.zst
 '
 
 test_expect_success ZSTD 'untar' '
 	rm -rf master &&
-	tar --zstd -xf master.tar.zst
+	zstd -dc master.tar.zst | tar -xf -
 '
 
 test_expect_success ZSTD 'count files' '
diff --git a/www/git.causal.agency/cgit/tests/t0109-gitconfig.sh b/www/git.causal.agency/cgit/tests/t0109-gitconfig.sh
index 8cee75cd..189ef281 100755
--- a/www/git.causal.agency/cgit/tests/t0109-gitconfig.sh
+++ b/www/git.causal.agency/cgit/tests/t0109-gitconfig.sh
@@ -25,7 +25,7 @@ test_no_home_access () {
 		-E CGIT_CONFIG="$PWD/cgitrc" \
 		-E QUERY_STRING="url=$1" \
 		-e access -f -o strace.out cgit &&
-	test_must_fail grep "$non_existent_path" strace.out
+	! grep "$non_existent_path" strace.out
 }
 
 test_no_home_access_success() {
diff --git a/www/git.causal.agency/cgit/ui-blame.c b/www/git.causal.agency/cgit/ui-blame.c
index 08832cd0..4adec2b9 100644
--- a/www/git.causal.agency/cgit/ui-blame.c
+++ b/www/git.causal.agency/cgit/ui-blame.c
@@ -10,7 +10,7 @@
 #include "ui-blame.h"
 #include "html.h"
 #include "ui-shared.h"
-#include "argv-array.h"
+#include "strvec.h"
 #include "blame.h"
 
 
@@ -48,7 +48,7 @@ static void emit_blame_entry_hash(struct blame_entry *ent)
 	unsigned long line = 0;
 
 	char *detail = emit_suspect_detail(suspect);
-	html("<span class='sha1'>");
+	html("<span class='oid'>");
 	cgit_commit_link(find_unique_abbrev(oid, DEFAULT_ABBREV), detail,
 			 NULL, ctx.qry.head, oid_to_hex(oid), suspect->path);
 	html("</span>");
@@ -104,7 +104,7 @@ static void print_object(const struct object_id *oid, const char *path,
 	enum object_type type;
 	char *buf;
 	unsigned long size;
-	struct argv_array rev_argv = ARGV_ARRAY_INIT;
+	struct strvec rev_argv = STRVEC_INIT;
 	struct rev_info revs;
 	struct blame_scoreboard sb;
 	struct blame_origin *o;
@@ -124,15 +124,16 @@ static void print_object(const struct object_id *oid, const char *path,
 		return;
 	}
 
-	argv_array_push(&rev_argv, "blame");
-	argv_array_push(&rev_argv, rev);
+	strvec_push(&rev_argv, "blame");
+	strvec_push(&rev_argv, rev);
 	init_revisions(&revs, NULL);
 	revs.diffopt.flags.allow_textconv = 1;
-	setup_revisions(rev_argv.argc, rev_argv.argv, &revs, NULL);
+	setup_revisions(rev_argv.nr, rev_argv.v, &revs, NULL);
 	init_scoreboard(&sb);
 	sb.revs = &revs;
 	sb.repo = the_repository;
-	setup_scoreboard(&sb, path, &o);
+	sb.path = path;
+	setup_scoreboard(&sb, &o);
 	o->suspects = blame_entry_prepend(NULL, 0, sb.num_lines, o);
 	prio_queue_put(&sb.commits, o->commit);
 	blame_origin_decref(o);
@@ -224,8 +225,7 @@ cleanup:
 }
 
 static int walk_tree(const struct object_id *oid, struct strbuf *base,
-		     const char *pathname, unsigned mode, int stage,
-		     void *cbdata)
+		     const char *pathname, unsigned mode, void *cbdata)
 {
 	struct walk_tree_context *walk_tree_ctx = cbdata;
 
@@ -260,7 +260,7 @@ static int basedir_len(const char *path)
 
 void cgit_print_blame(void)
 {
-	const char *rev = ctx.qry.sha1;
+	const char *rev = ctx.qry.oid;
 	struct object_id oid;
 	struct commit *commit;
 	struct pathspec_item path_items = {
@@ -294,10 +294,8 @@ void cgit_print_blame(void)
 	walk_tree_ctx.match_baselen = (path_items.match) ?
 				       basedir_len(path_items.match) : -1;
 
-	read_tree_recursive(the_repository,
-			    repo_get_commit_tree(the_repository, commit),
-			    "", 0, 0,
-			    &paths, walk_tree, &walk_tree_ctx);
+	read_tree(the_repository, repo_get_commit_tree(the_repository, commit),
+		  &paths, walk_tree, &walk_tree_ctx);
 	if (!walk_tree_ctx.state)
 		cgit_print_error_page(404, "Not found", "Not found");
 	else if (walk_tree_ctx.state == 2)
diff --git a/www/git.causal.agency/cgit/ui-blob.c b/www/git.causal.agency/cgit/ui-blob.c
index f76c641e..c10ae42e 100644
--- a/www/git.causal.agency/cgit/ui-blob.c
+++ b/www/git.causal.agency/cgit/ui-blob.c
@@ -19,7 +19,7 @@ struct walk_tree_context {
 };
 
 static int walk_tree(const struct object_id *oid, struct strbuf *base,
-		const char *pathname, unsigned mode, int stage, void *cbdata)
+		const char *pathname, unsigned mode, void *cbdata)
 {
 	struct walk_tree_context *walk_tree_ctx = cbdata;
 
@@ -56,9 +56,9 @@ int cgit_ref_path_exists(const char *path, const char *ref, int file_only)
 		goto done;
 	if (oid_object_info(the_repository, &oid, &size) != OBJ_COMMIT)
 		goto done;
-	read_tree_recursive(the_repository,
-			    repo_get_commit_tree(the_repository, lookup_commit_reference(the_repository, &oid)),
-			    "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
+	read_tree(the_repository,
+		  repo_get_commit_tree(the_repository, lookup_commit_reference(the_repository, &oid)),
+		  &paths, walk_tree, &walk_tree_ctx);
 
 done:
 	free(path_items.match);
@@ -92,10 +92,8 @@ int cgit_print_file(char *path, const char *head, int file_only)
 	type = oid_object_info(the_repository, &oid, &size);
 	if (type == OBJ_COMMIT) {
 		commit = lookup_commit_reference(the_repository, &oid);
-		read_tree_recursive(the_repository,
-				    repo_get_commit_tree(the_repository, commit),
-				    "", 0, 0, &paths, walk_tree,
-				    &walk_tree_ctx);
+		read_tree(the_repository, repo_get_commit_tree(the_repository, commit),
+			  &paths, walk_tree, &walk_tree_ctx);
 		if (!walk_tree_ctx.found_path)
 			return -1;
 		type = oid_object_info(the_repository, &oid, &size);
@@ -151,10 +149,8 @@ void cgit_print_blob(const char *hex, char *path, const char *head, int file_onl
 
 	if ((!hex) && type == OBJ_COMMIT && path) {
 		commit = lookup_commit_reference(the_repository, &oid);
-		read_tree_recursive(the_repository,
-				    repo_get_commit_tree(the_repository, commit),
-				    "", 0, 0, &paths, walk_tree,
-				    &walk_tree_ctx);
+		read_tree(the_repository, repo_get_commit_tree(the_repository, commit),
+			  &paths, walk_tree, &walk_tree_ctx);
 		type = oid_object_info(the_repository, &oid, &size);
 	}
 
diff --git a/www/git.causal.agency/cgit/ui-commit.c b/www/git.causal.agency/cgit/ui-commit.c
index ee5d2c7e..b49259e6 100644
--- a/www/git.causal.agency/cgit/ui-commit.c
+++ b/www/git.causal.agency/cgit/ui-commit.c
@@ -71,13 +71,13 @@ void cgit_print_commit(char *hex, const char *prefix)
 	html_txt(show_date(info->committer_date, info->committer_tz,
 				cgit_date_mode(DATE_ISO8601)));
 	html("</td></tr>\n");
-	html("<tr><th>commit</th><td colspan='2' class='sha1'>");
+	html("<tr><th>commit</th><td colspan='2' class='oid'>");
 	tmp = oid_to_hex(&commit->object.oid);
 	cgit_commit_link(tmp, NULL, NULL, ctx.qry.head, tmp, prefix);
 	html(" (");
 	cgit_patch_link("patch", NULL, NULL, NULL, tmp, prefix);
 	html(")</td></tr>\n");
-	html("<tr><th>tree</th><td colspan='2' class='sha1'>");
+	html("<tr><th>tree</th><td colspan='2' class='oid'>");
 	tmp = xstrdup(hex);
 	cgit_tree_link(oid_to_hex(get_commit_tree_oid(commit)), NULL, NULL,
 		       ctx.qry.head, tmp, NULL);
@@ -96,7 +96,7 @@ void cgit_print_commit(char *hex, const char *prefix)
 			continue;
 		}
 		html("<tr><th>parent</th>"
-		     "<td colspan='2' class='sha1'>");
+		     "<td colspan='2' class='oid'>");
 		tmp = tmp2 = oid_to_hex(&p->item->object.oid);
 		if (ctx.repo->enable_subject_links) {
 			parent_info = cgit_parse_commit(parent);
@@ -110,7 +110,7 @@ void cgit_print_commit(char *hex, const char *prefix)
 		parents++;
 	}
 	if (ctx.repo->snapshots) {
-		html("<tr><th>download</th><td colspan='2' class='sha1'>");
+		html("<tr><th>download</th><td colspan='2' class='oid'>");
 		cgit_print_snapshot_links(ctx.repo, hex, "<br/>");
 		html("</td></tr>");
 	}
@@ -140,7 +140,7 @@ void cgit_print_commit(char *hex, const char *prefix)
 			tmp = oid_to_hex(&commit->parents->item->object.oid);
 		else
 			tmp = NULL;
-		cgit_print_diff(ctx.qry.sha1, tmp, prefix, 0, 0);
+		cgit_print_diff(ctx.qry.oid, tmp, prefix, 0, 0);
 	}
 	strbuf_release(&notes);
 	cgit_free_commitinfo(info);
diff --git a/www/git.causal.agency/cgit/ui-diff.c b/www/git.causal.agency/cgit/ui-diff.c
index 97c1ca02..2a64ae8f 100644
--- a/www/git.causal.agency/cgit/ui-diff.c
+++ b/www/git.causal.agency/cgit/ui-diff.c
@@ -97,8 +97,8 @@ static void print_fileinfo(struct fileinfo *info)
 		html("]</span>");
 	}
 	htmlf("</td><td class='%s'>", class);
-	cgit_diff_link(info->new_path, NULL, NULL, ctx.qry.head, ctx.qry.sha1,
-		       ctx.qry.sha2, info->new_path);
+	cgit_diff_link(info->new_path, NULL, NULL, ctx.qry.head, ctx.qry.oid,
+		       ctx.qry.oid2, info->new_path);
 	if (info->status == DIFF_STATUS_COPIED || info->status == DIFF_STATUS_RENAMED) {
 		htmlf(" (%s from ",
 		      info->status == DIFF_STATUS_COPIED ? "copied" : "renamed");
@@ -194,8 +194,8 @@ static void cgit_print_diffstat(const struct object_id *old_oid,
 	int i;
 
 	html("<div class='diffstat-header'>");
-	cgit_diff_link("Diffstat", NULL, NULL, ctx.qry.head, ctx.qry.sha1,
-		       ctx.qry.sha2, NULL);
+	cgit_diff_link("Diffstat", NULL, NULL, ctx.qry.head, ctx.qry.oid,
+		       ctx.qry.oid2, NULL);
 	if (prefix) {
 		html(" (limited to '");
 		html_txt(prefix);
diff --git a/www/git.causal.agency/cgit/ui-log.c b/www/git.causal.agency/cgit/ui-log.c
index 773950cd..b443ca73 100644
--- a/www/git.causal.agency/cgit/ui-log.c
+++ b/www/git.causal.agency/cgit/ui-log.c
@@ -10,7 +10,7 @@
 #include "ui-log.h"
 #include "html.h"
 #include "ui-shared.h"
-#include "argv-array.h"
+#include "strvec.h"
 
 static int files, add_lines, rem_lines, lines_counted;
 
@@ -65,7 +65,7 @@ void show_commit_decorations(struct commit *commit)
 		return;
 	html("<span class='decoration'>");
 	while (deco) {
-		struct object_id peeled;
+		struct object_id oid_tag, peeled;
 		int is_annotated = 0;
 
 		strlcpy(buf, prettify_refname(deco->name), sizeof(buf));
@@ -82,8 +82,8 @@ void show_commit_decorations(struct commit *commit)
 			break;
 		case DECORATION_REF_TAG:
 			html(" ");
-			if (!peel_ref(deco->name, &peeled))
-				is_annotated = !oidcmp(&commit->object.oid, &peeled);
+			if (!read_ref(deco->name, &oid_tag) && !peel_iterated_oid(&oid_tag, &peeled))
+				is_annotated = !oideq(&oid_tag, &peeled);
 			cgit_tag_link(buf, NULL, is_annotated ? "tag-annotated-deco" : "tag-deco", buf);
 			break;
 		case DECORATION_REF_REMOTE:
@@ -371,23 +371,23 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
 {
 	struct rev_info rev;
 	struct commit *commit;
-	struct argv_array rev_argv = ARGV_ARRAY_INIT;
+	struct strvec rev_argv = STRVEC_INIT;
 	int i, columns = commit_graph ? 4 : 3;
 	int must_free_tip = 0;
 
 	/* rev_argv.argv[0] will be ignored by setup_revisions */
-	argv_array_push(&rev_argv, "log_rev_setup");
+	strvec_push(&rev_argv, "log_rev_setup");
 
 	if (!tip)
 		tip = ctx.qry.head;
 	tip = disambiguate_ref(tip, &must_free_tip);
-	argv_array_push(&rev_argv, tip);
+	strvec_push(&rev_argv, tip);
 
 	if (grep && pattern && *pattern) {
 		pattern = xstrdup(pattern);
 		if (!strcmp(grep, "grep") || !strcmp(grep, "author") ||
 		    !strcmp(grep, "committer")) {
-			argv_array_pushf(&rev_argv, "--%s=%s", grep, pattern);
+			strvec_pushf(&rev_argv, "--%s=%s", grep, pattern);
 		} else if (!strcmp(grep, "range")) {
 			char *arg;
 			/* Split the pattern at whitespace and add each token
@@ -395,14 +395,14 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
 			 * rev-list options. Also, replace the previously
 			 * pushed tip (it's no longer relevant).
 			 */
-			argv_array_pop(&rev_argv);
+			strvec_pop(&rev_argv);
 			while ((arg = next_token(&pattern))) {
 				if (*arg == '-') {
 					fprintf(stderr, "Bad range expr: %s\n",
 						arg);
 					break;
 				}
-				argv_array_push(&rev_argv, arg);
+				strvec_push(&rev_argv, arg);
 			}
 		}
 	}
@@ -417,22 +417,22 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
 	}
 
 	if (commit_graph && !ctx.qry.follow) {
-		argv_array_push(&rev_argv, "--graph");
-		argv_array_push(&rev_argv, "--color");
+		strvec_push(&rev_argv, "--graph");
+		strvec_push(&rev_argv, "--color");
 		graph_set_column_colors(column_colors_html,
 					COLUMN_COLORS_HTML_MAX);
 	}
 
 	if (commit_sort == 1)
-		argv_array_push(&rev_argv, "--date-order");
+		strvec_push(&rev_argv, "--date-order");
 	else if (commit_sort == 2)
-		argv_array_push(&rev_argv, "--topo-order");
+		strvec_push(&rev_argv, "--topo-order");
 
 	if (path && ctx.qry.follow)
-		argv_array_push(&rev_argv, "--follow");
-	argv_array_push(&rev_argv, "--");
+		strvec_push(&rev_argv, "--follow");
+	strvec_push(&rev_argv, "--");
 	if (path)
-		argv_array_push(&rev_argv, path);
+		strvec_push(&rev_argv, path);
 
 	init_revisions(&rev, NULL);
 	rev.abbrev = DEFAULT_ABBREV;
@@ -441,7 +441,7 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
 	rev.show_root_diff = 0;
 	rev.ignore_missing = 1;
 	rev.simplify_history = 1;
-	setup_revisions(rev_argv.argc, rev_argv.argv, &rev, NULL);
+	setup_revisions(rev_argv.nr, rev_argv.v, &rev, NULL);
 	load_ref_decorations(NULL, DECORATE_FULL_REFS);
 	rev.show_decorations = 1;
 	rev.grep_filter.ignore_case = 1;
@@ -468,7 +468,7 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
 	if (pager) {
 		html(" (");
 		cgit_log_link(ctx.qry.showmsg ? "Collapse" : "Expand", NULL,
-			      NULL, ctx.qry.head, ctx.qry.sha1,
+			      NULL, ctx.qry.head, ctx.qry.oid,
 			      ctx.qry.vpath, ctx.qry.ofs, ctx.qry.grep,
 			      ctx.qry.search, ctx.qry.showmsg ? 0 : 1,
 			      ctx.qry.follow);
@@ -524,7 +524,7 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
 		if (ofs > 0) {
 			html("<li>");
 			cgit_log_link("[prev]", NULL, NULL, ctx.qry.head,
-				      ctx.qry.sha1, ctx.qry.vpath,
+				      ctx.qry.oid, ctx.qry.vpath,
 				      ofs - cnt, ctx.qry.grep,
 				      ctx.qry.search, ctx.qry.showmsg,
 				      ctx.qry.follow);
@@ -533,7 +533,7 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
 		if ((commit = get_revision(&rev)) != NULL) {
 			html("<li>");
 			cgit_log_link("[next]", NULL, NULL, ctx.qry.head,
-				      ctx.qry.sha1, ctx.qry.vpath,
+				      ctx.qry.oid, ctx.qry.vpath,
 				      ofs + cnt, ctx.qry.grep,
 				      ctx.qry.search, ctx.qry.showmsg,
 				      ctx.qry.follow);
diff --git a/www/git.causal.agency/cgit/ui-patch.c b/www/git.causal.agency/cgit/ui-patch.c
index 5a964108..4ac03cbe 100644
--- a/www/git.causal.agency/cgit/ui-patch.c
+++ b/www/git.causal.agency/cgit/ui-patch.c
@@ -61,7 +61,7 @@ void cgit_print_patch(const char *new_rev, const char *old_rev,
 	}
 
 	if (is_null_oid(&old_rev_oid)) {
-		memcpy(rev_range, oid_to_hex(&new_rev_oid), GIT_SHA1_HEXSZ + 1);
+		memcpy(rev_range, oid_to_hex(&new_rev_oid), the_hash_algo->hexsz + 1);
 	} else {
 		xsnprintf(rev_range, REV_RANGE_LEN, "%s..%s", oid_to_hex(&old_rev_oid),
 			oid_to_hex(&new_rev_oid));
diff --git a/www/git.causal.agency/cgit/ui-plain.c b/www/git.causal.agency/cgit/ui-plain.c
index 2a7b18cc..65a205fa 100644
--- a/www/git.causal.agency/cgit/ui-plain.c
+++ b/www/git.causal.agency/cgit/ui-plain.c
@@ -99,7 +99,7 @@ static void print_dir(const struct object_id *oid, const char *base,
 			fullpath = NULL;
 		}
 		html("<li>");
-		cgit_plain_link("../", NULL, NULL, ctx.qry.head, ctx.qry.sha1,
+		cgit_plain_link("../", NULL, NULL, ctx.qry.head, ctx.qry.oid,
 				fullpath);
 		html("</li>\n");
 	}
@@ -118,7 +118,7 @@ static void print_dir_entry(const struct object_id *oid, const char *base,
 	if (S_ISGITLINK(mode)) {
 		cgit_submodule_link(NULL, fullpath, oid_to_hex(oid));
 	} else
-		cgit_plain_link(path, NULL, NULL, ctx.qry.head, ctx.qry.sha1,
+		cgit_plain_link(path, NULL, NULL, ctx.qry.head, ctx.qry.oid,
 				fullpath);
 	html("</li>\n");
 	free(fullpath);
@@ -130,7 +130,7 @@ static void print_dir_tail(void)
 }
 
 static int walk_tree(const struct object_id *oid, struct strbuf *base,
-		const char *pathname, unsigned mode, int stage, void *cbdata)
+		const char *pathname, unsigned mode, void *cbdata)
 {
 	struct walk_tree_context *walk_tree_ctx = cbdata;
 
@@ -163,7 +163,7 @@ static int basedir_len(const char *path)
 
 void cgit_print_plain(void)
 {
-	const char *rev = ctx.qry.sha1;
+	const char *rev = ctx.qry.oid;
 	struct object_id oid;
 	struct commit *commit;
 	struct pathspec_item path_items = {
@@ -198,9 +198,8 @@ void cgit_print_plain(void)
 	}
 	else
 		walk_tree_ctx.match_baselen = basedir_len(path_items.match);
-	read_tree_recursive(the_repository,
-		            repo_get_commit_tree(the_repository, commit),
-		            "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
+	read_tree(the_repository, repo_get_commit_tree(the_repository, commit),
+		  &paths, walk_tree, &walk_tree_ctx);
 	if (!walk_tree_ctx.match)
 		cgit_print_error_page(404, "Not found", "Not found");
 	else if (walk_tree_ctx.match == 2)
diff --git a/www/git.causal.agency/cgit/ui-shared.c b/www/git.causal.agency/cgit/ui-shared.c
index d7fa8b2a..dfaf5952 100644
--- a/www/git.causal.agency/cgit/ui-shared.c
+++ b/www/git.causal.agency/cgit/ui-shared.c
@@ -22,10 +22,11 @@ static char *http_date(time_t t)
 	static char month[][4] =
 		{"Jan", "Feb", "Mar", "Apr", "May", "Jun",
 		 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
-	struct tm *tm = gmtime(&t);
-	return fmt("%s, %02d %s %04d %02d:%02d:%02d GMT", day[tm->tm_wday],
-		   tm->tm_mday, month[tm->tm_mon], 1900 + tm->tm_year,
-		   tm->tm_hour, tm->tm_min, tm->tm_sec);
+	struct tm tm;
+	gmtime_r(&t, &tm);
+	return fmt("%s, %02d %s %04d %02d:%02d:%02d GMT", day[tm.tm_wday],
+		   tm.tm_mday, month[tm.tm_mon], 1900 + tm.tm_year,
+		   tm.tm_hour, tm.tm_min, tm.tm_sec);
 }
 
 void cgit_print_error(const char *fmt, ...)
@@ -521,45 +522,45 @@ static void cgit_self_link(char *name, const char *title, const char *class)
 	else if (!strcmp(ctx.qry.page, "summary"))
 		cgit_summary_link(name, title, class, ctx.qry.head);
 	else if (!strcmp(ctx.qry.page, "tag"))
-		cgit_tag_link(name, title, class, ctx.qry.has_sha1 ?
-			       ctx.qry.sha1 : ctx.qry.head);
+		cgit_tag_link(name, title, class, ctx.qry.has_oid ?
+			       ctx.qry.oid : ctx.qry.head);
 	else if (!strcmp(ctx.qry.page, "tree"))
 		cgit_tree_link(name, title, class, ctx.qry.head,
-			       ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
+			       ctx.qry.has_oid ? ctx.qry.oid : NULL,
 			       ctx.qry.path);
 	else if (!strcmp(ctx.qry.page, "plain"))
 		cgit_plain_link(name, title, class, ctx.qry.head,
-				ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
+				ctx.qry.has_oid ? ctx.qry.oid : NULL,
 				ctx.qry.path);
 	else if (!strcmp(ctx.qry.page, "blame"))
 		cgit_blame_link(name, title, class, ctx.qry.head,
-				ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
+				ctx.qry.has_oid ? ctx.qry.oid : NULL,
 				ctx.qry.path);
 	else if (!strcmp(ctx.qry.page, "log"))
 		cgit_log_link(name, title, class, ctx.qry.head,
-			      ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
+			      ctx.qry.has_oid ? ctx.qry.oid : NULL,
 			      ctx.qry.path, ctx.qry.ofs,
 			      ctx.qry.grep, ctx.qry.search,
 			      ctx.qry.showmsg, ctx.qry.follow);
 	else if (!strcmp(ctx.qry.page, "commit"))
 		cgit_commit_link(name, title, class, ctx.qry.head,
-				 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
+				 ctx.qry.has_oid ? ctx.qry.oid : NULL,
 				 ctx.qry.path);
 	else if (!strcmp(ctx.qry.page, "patch"))
 		cgit_patch_link(name, title, class, ctx.qry.head,
-				ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
+				ctx.qry.has_oid ? ctx.qry.oid : NULL,
 				ctx.qry.path);
 	else if (!strcmp(ctx.qry.page, "refs"))
 		cgit_refs_link(name, title, class, ctx.qry.head,
-			       ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
+			       ctx.qry.has_oid ? ctx.qry.oid : NULL,
 			       ctx.qry.path);
 	else if (!strcmp(ctx.qry.page, "snapshot"))
 		cgit_snapshot_link(name, title, class, ctx.qry.head,
-				   ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
+				   ctx.qry.has_oid ? ctx.qry.oid : NULL,
 				   ctx.qry.path);
 	else if (!strcmp(ctx.qry.page, "diff"))
 		cgit_diff_link(name, title, class, ctx.qry.head,
-			       ctx.qry.sha1, ctx.qry.sha2,
+			       ctx.qry.oid, ctx.qry.oid2,
 			       ctx.qry.path);
 	else if (!strcmp(ctx.qry.page, "stats"))
 		cgit_stats_link(name, title, class, ctx.qry.head,
@@ -927,10 +928,10 @@ void cgit_add_hidden_formfields(int incl_head, int incl_search,
 	    strcmp(ctx.qry.head, ctx.repo->defbranch))
 		html_hidden("h", ctx.qry.head);
 
-	if (ctx.qry.sha1)
-		html_hidden("id", ctx.qry.sha1);
-	if (ctx.qry.sha2)
-		html_hidden("id2", ctx.qry.sha2);
+	if (ctx.qry.oid)
+		html_hidden("id", ctx.qry.oid);
+	if (ctx.qry.oid2)
+		html_hidden("id2", ctx.qry.oid2);
 	if (ctx.qry.showmsg)
 		html_hidden("showmsg", "1");
 
@@ -1059,7 +1060,7 @@ void cgit_print_pageheader(void)
 				  ctx.qry.head);
 		html(" ");
 		cgit_refs_link("refs", NULL, hc("refs"), ctx.qry.head,
-			       ctx.qry.sha1, NULL);
+			       ctx.qry.oid, NULL);
 		html(" ");
 		cgit_log_link("log", NULL, hc("log"), ctx.qry.head,
 			      NULL, ctx.qry.vpath, 0, NULL, NULL,
@@ -1067,16 +1068,16 @@ void cgit_print_pageheader(void)
 		html(" ");
 		if (ctx.qry.page && !strcmp(ctx.qry.page, "blame"))
 			cgit_blame_link("blame", NULL, hc("blame"), ctx.qry.head,
-				        ctx.qry.sha1, ctx.qry.vpath);
+				        ctx.qry.oid, ctx.qry.vpath);
 		else
 			cgit_tree_link("tree", NULL, hc("tree"), ctx.qry.head,
-				       ctx.qry.sha1, ctx.qry.vpath);
+				       ctx.qry.oid, ctx.qry.vpath);
 		html(" ");
 		cgit_commit_link("commit", NULL, hc("commit"),
-				 ctx.qry.head, ctx.qry.sha1, ctx.qry.vpath);
+				 ctx.qry.head, ctx.qry.oid, ctx.qry.vpath);
 		html(" ");
 		cgit_diff_link("diff", NULL, hc("diff"), ctx.qry.head,
-			       ctx.qry.sha1, ctx.qry.sha2, ctx.qry.vpath);
+			       ctx.qry.oid, ctx.qry.oid2, ctx.qry.vpath);
 		if (ctx.repo->max_stats) {
 			html(" ");
 			cgit_stats_link("stats", NULL, hc("stats"),
diff --git a/www/git.causal.agency/cgit/ui-snapshot.c b/www/git.causal.agency/cgit/ui-snapshot.c
index 8b81e374..28013935 100644
--- a/www/git.causal.agency/cgit/ui-snapshot.c
+++ b/www/git.causal.agency/cgit/ui-snapshot.c
@@ -13,35 +13,35 @@
 
 static int write_archive_type(const char *format, const char *hex, const char *prefix)
 {
-	struct argv_array argv = ARGV_ARRAY_INIT;
+	struct strvec argv = STRVEC_INIT;
 	const char **nargv;
 	int result;
-	argv_array_push(&argv, "snapshot");
-	argv_array_push(&argv, format);
+	strvec_push(&argv, "snapshot");
+	strvec_push(&argv, format);
 	if (prefix) {
 		struct strbuf buf = STRBUF_INIT;
 		strbuf_addstr(&buf, prefix);
 		strbuf_addch(&buf, '/');
-		argv_array_push(&argv, "--prefix");
-		argv_array_push(&argv, buf.buf);
+		strvec_push(&argv, "--prefix");
+		strvec_push(&argv, buf.buf);
 		strbuf_release(&buf);
 	}
-	argv_array_push(&argv, hex);
+	strvec_push(&argv, hex);
 	/*
 	 * Now we need to copy the pointers to arguments into a new
 	 * structure because write_archive will rearrange its arguments
 	 * which may result in duplicated/missing entries causing leaks
-	 * or double-frees in argv_array_clear.
+	 * or double-frees in strvec_clear.
 	 */
-	nargv = xmalloc(sizeof(char *) * (argv.argc + 1));
-	/* argv_array guarantees a trailing NULL entry. */
-	memcpy(nargv, argv.argv, sizeof(char *) * (argv.argc + 1));
+	nargv = xmalloc(sizeof(char *) * (argv.nr + 1));
+	/* strvec guarantees a trailing NULL entry. */
+	memcpy(nargv, argv.v, sizeof(char *) * (argv.nr + 1));
 
 	if (fflush(stdout))
 		return errno;
 
-	result = write_archive(argv.argc, nargv, NULL, the_repository, NULL, 0);
-	argv_array_clear(&argv);
+	result = write_archive(argv.nr, nargv, NULL, the_repository, NULL, 0);
+	strvec_clear(&argv);
 	free(nargv);
 	return result;
 }
diff --git a/www/git.causal.agency/cgit/ui-stats.c b/www/git.causal.agency/cgit/ui-stats.c
index 7272a61a..09b3625e 100644
--- a/www/git.causal.agency/cgit/ui-stats.c
+++ b/www/git.causal.agency/cgit/ui-stats.c
@@ -166,7 +166,7 @@ static void add_commit(struct string_list *authors, struct commit *commit,
 	struct authorstat *authorstat;
 	struct string_list *items;
 	char *tmp;
-	struct tm *date;
+	struct tm date;
 	time_t t;
 	uintptr_t *counter;
 
@@ -180,9 +180,9 @@ static void add_commit(struct string_list *authors, struct commit *commit,
 	authorstat = author->util;
 	items = &authorstat->list;
 	t = info->committer_date;
-	date = gmtime(&t);
-	period->trunc(date);
-	tmp = xstrdup(period->pretty(date));
+	gmtime_r(&t, &date);
+	period->trunc(&date);
+	tmp = xstrdup(period->pretty(&date));
 	item = string_list_insert(items, tmp);
 	counter = (uintptr_t *)&item->util;
 	if (*counter)
@@ -215,15 +215,15 @@ static struct string_list collect_stats(const struct cgit_period *period)
 	int argc = 3;
 	time_t now;
 	long i;
-	struct tm *tm;
+	struct tm tm;
 	char tmp[11];
 
 	time(&now);
-	tm = gmtime(&now);
-	period->trunc(tm);
+	gmtime_r(&now, &tm);
+	period->trunc(&tm);
 	for (i = 1; i < period->count; i++)
-		period->dec(tm);
-	strftime(tmp, sizeof(tmp), "%Y-%m-%d", tm);
+		period->dec(&tm);
+	strftime(tmp, sizeof(tmp), "%Y-%m-%d", &tm);
 	argv[2] = xstrdup(fmt("--since=%s", tmp));
 	if (ctx.qry.path) {
 		argv[3] = "--";
@@ -261,21 +261,21 @@ static void print_combined_authorrow(struct string_list *authors, int from,
 	struct string_list_item *date;
 	time_t now;
 	long i, j, total, subtotal;
-	struct tm *tm;
+	struct tm tm;
 	char *tmp;
 
 	time(&now);
-	tm = gmtime(&now);
-	period->trunc(tm);
+	gmtime_r(&now, &tm);
+	period->trunc(&tm);
 	for (i = 1; i < period->count; i++)
-		period->dec(tm);
+		period->dec(&tm);
 
 	total = 0;
 	htmlf("<tr><td class='%s'>%s</td>", leftclass,
 		fmt(name, to - from + 1));
 	for (j = 0; j < period->count; j++) {
-		tmp = period->pretty(tm);
-		period->inc(tm);
+		tmp = period->pretty(&tm);
+		period->inc(&tm);
 		subtotal = 0;
 		for (i = from; i <= to; i++) {
 			author = &authors->items[i];
@@ -300,20 +300,20 @@ static void print_authors(struct string_list *authors, int top,
 	struct string_list_item *date;
 	time_t now;
 	long i, j, total;
-	struct tm *tm;
+	struct tm tm;
 	char *tmp;
 
 	time(&now);
-	tm = gmtime(&now);
-	period->trunc(tm);
+	gmtime_r(&now, &tm);
+	period->trunc(&tm);
 	for (i = 1; i < period->count; i++)
-		period->dec(tm);
+		period->dec(&tm);
 
 	html("<table class='stats'><tr><th>Author</th>");
 	for (j = 0; j < period->count; j++) {
-		tmp = period->pretty(tm);
+		tmp = period->pretty(&tm);
 		htmlf("<th>%s</th>", tmp);
-		period->inc(tm);
+		period->inc(&tm);
 	}
 	html("<th>Total</th></tr>\n");
 
@@ -329,10 +329,10 @@ static void print_authors(struct string_list *authors, int top,
 		items = &authorstat->list;
 		total = 0;
 		for (j = 0; j < period->count; j++)
-			period->dec(tm);
+			period->dec(&tm);
 		for (j = 0; j < period->count; j++) {
-			tmp = period->pretty(tm);
-			period->inc(tm);
+			tmp = period->pretty(&tm);
+			period->inc(&tm);
 			date = string_list_lookup(items, tmp);
 			if (!date)
 				html("<td>0</td>");
diff --git a/www/git.causal.agency/cgit/ui-tag.c b/www/git.causal.agency/cgit/ui-tag.c
index c499516d..05952429 100644
--- a/www/git.causal.agency/cgit/ui-tag.c
+++ b/www/git.causal.agency/cgit/ui-tag.c
@@ -33,7 +33,7 @@ static void print_tag_content(char *buf)
 
 static void print_download_links(char *revname)
 {
-	html("<tr><th>download</th><td class='sha1'>");
+	html("<tr><th>download</th><td class='oid'>");
 	cgit_print_snapshot_links(ctx.repo, revname, "<br/>");
 	html("</td></tr>");
 }
@@ -91,7 +91,7 @@ void cgit_print_tag(char *revname)
 			cgit_close_filter(ctx.repo->email_filter);
 			html("</td></tr>\n");
 		}
-		html("<tr><td>tagged object</td><td class='sha1'>");
+		html("<tr><td>tagged object</td><td class='oid'>");
 		cgit_object_link(tag->tagged);
 		html("</td></tr>\n");
 		if (ctx.repo->snapshots)
@@ -106,7 +106,7 @@ void cgit_print_tag(char *revname)
 		html("<tr><td>tag name</td><td>");
 		html_txt(revname);
 		html("</td></tr>\n");
-		html("<tr><td>tagged object</td><td class='sha1'>");
+		html("<tr><td>tagged object</td><td class='oid'>");
 		cgit_object_link(obj);
 		html("</td></tr>\n");
 		if (ctx.repo->snapshots)
diff --git a/www/git.causal.agency/cgit/ui-tree.c b/www/git.causal.agency/cgit/ui-tree.c
index 34e7e63a..21e0b884 100644
--- a/www/git.causal.agency/cgit/ui-tree.c
+++ b/www/git.causal.agency/cgit/ui-tree.c
@@ -141,8 +141,7 @@ struct single_tree_ctx {
 };
 
 static int single_tree_cb(const struct object_id *oid, struct strbuf *base,
-			  const char *pathname, unsigned mode, int stage,
-			  void *cbdata)
+			  const char *pathname, unsigned mode, void *cbdata)
 {
 	struct single_tree_ctx *ctx = cbdata;
 
@@ -187,8 +186,7 @@ static void write_tree_link(const struct object_id *oid, char *name,
 		tree_ctx.name = NULL;
 		tree_ctx.count = 0;
 
-		read_tree_recursive(the_repository, tree, "", 0, 1,
-			&paths, single_tree_cb, &tree_ctx);
+		read_tree(the_repository, tree, &paths, single_tree_cb, &tree_ctx);
 
 		if (tree_ctx.count != 1)
 			break;
@@ -201,7 +199,7 @@ static void write_tree_link(const struct object_id *oid, char *name,
 }
 
 static int ls_item(const struct object_id *oid, struct strbuf *base,
-		const char *pathname, unsigned mode, int stage, void *cbdata)
+		const char *pathname, unsigned mode, void *cbdata)
 {
 	struct walk_tree_context *walk_tree_ctx = cbdata;
 	char *name;
@@ -320,14 +318,13 @@ static void ls_tree(const struct object_id *oid, const char *path, struct walk_t
 	}
 
 	ls_head();
-	read_tree_recursive(the_repository, tree, "", 0, 1,
-		&paths, ls_item, walk_tree_ctx);
+	read_tree(the_repository, tree, &paths, ls_item, walk_tree_ctx);
 	ls_tail();
 }
 
 
 static int walk_tree(const struct object_id *oid, struct strbuf *base,
-		const char *pathname, unsigned mode, int stage, void *cbdata)
+		const char *pathname, unsigned mode, void *cbdata)
 {
 	struct walk_tree_context *walk_tree_ctx = cbdata;
 
@@ -352,7 +349,7 @@ static int walk_tree(const struct object_id *oid, struct strbuf *base,
 			return 0;
 		}
 	}
-	ls_item(oid, base, pathname, mode, stage, walk_tree_ctx);
+	ls_item(oid, base, pathname, mode, walk_tree_ctx);
 	return 0;
 }
 
@@ -400,10 +397,8 @@ void cgit_print_tree(const char *rev, char *path)
 		goto cleanup;
 	}
 
-	read_tree_recursive(the_repository,
-			    repo_get_commit_tree(the_repository, commit),
-			    "", 0, 0,
-			    &paths, walk_tree, &walk_tree_ctx);
+	read_tree(the_repository, repo_get_commit_tree(the_repository, commit),
+		  &paths, walk_tree, &walk_tree_ctx);
 	if (walk_tree_ctx.state == 1)
 		ls_tail();
 	else if (walk_tree_ctx.state == 2)