5 files changed, 46 insertions, 8 deletions

diff --git a/Makefile b/Makefile
index 2107610..2e51c31 100644
--- a/Makefile
+++ b/Makefile
@@ -1,33 +1,53 @@
 CGIT_VERSION = v0.8.1
 CGIT_SCRIPT_NAME = cgit.cgi
 CGIT_SCRIPT_PATH = /var/www/htdocs/cgit
 CGIT_CONFIG = /etc/cgitrc
 CACHE_ROOT = /var/cache/cgit
 SHA1_HEADER = <openssl/sha.h>
 GIT_VER = 1.6.0.3
 GIT_URL = http://www.kernel.org/pub/software/scm/git/git-$(GIT_VER).tar.bz2
 
+# Define NO_STRCASESTR if you don't have strcasestr.
+#
+# Define NEEDS_LIBICONV if linking with libc is not enough (eg. Darwin).
+#
+
+#-include config.mak
+
+#
+# Platform specific tweaks
+#
+
+uname_S := $(shell sh -c 'uname -s 2>/dev/null || echo not')
+uname_O := $(shell sh -c 'uname -o 2>/dev/null || echo not')
+uname_R := $(shell sh -c 'uname -r 2>/dev/null || echo not')
+
+ifeq ($(uname_O),Cygwin)
+        NO_STRCASESTR = YesPlease
+        NEEDS_LIBICONV = YesPlease
+endif
+
 #
 # Let the user override the above settings.
 #
 -include cgit.conf
 
 #
 # Define a way to invoke make in subdirs quietly, shamelessly ripped
 # from git.git
 #
 QUIET_SUBDIR0  = +$(MAKE) -C # space to separate -C and subdir
 QUIET_SUBDIR1  =
 
 ifneq ($(findstring $(MAKEFLAGS),w),w)
 PRINT_DIR = --no-print-directory
 else # "make -w"
 NO_SUBDIR = :
 endif
 
 ifndef V
         QUIET_CC       = @echo '   ' CC $@;
         QUIET_MM       = @echo '   ' MM $@;
         QUIET_SUBDIR0  = +@subdir=
         QUIET_SUBDIR1  = ;$(NO_SUBDIR) echo '   ' SUBDIR $$subdir; \
                          $(MAKE) $(PRINT_DIR) -C $$subdir
@@ -75,48 +95,51 @@ OBJECTS += ui-tree.o
 ifdef NEEDS_LIBICONV
         EXTLIBS += -liconv
 endif
 
 
 .PHONY: all libgit test install uninstall clean force-version get-git
 
 all: cgit
 
 VERSION: force-version
         @./gen-version.sh "$(CGIT_VERSION)"
 -include VERSION
 
 
 CFLAGS += -g -Wall -Igit
 CFLAGS += -DSHA1_HEADER='$(SHA1_HEADER)'
 CFLAGS += -DCGIT_VERSION='"$(CGIT_VERSION)"'
 CFLAGS += -DCGIT_CONFIG='"$(CGIT_CONFIG)"'
 CFLAGS += -DCGIT_SCRIPT_NAME='"$(CGIT_SCRIPT_NAME)"'
 CFLAGS += -DCGIT_CACHE_ROOT='"$(CACHE_ROOT)"'
 
 ifdef NO_ICONV
         CFLAGS += -DNO_ICONV
 endif
+ifdef NO_STRCASESTR
+        CFLAGS += -DNO_STRCASESTR
+endif
 
 cgit: $(OBJECTS) libgit
         $(QUIET_CC)$(CC) $(CFLAGS) $(LDFLAGS) -o cgit $(OBJECTS) $(EXTLIBS)
 
 cgit.o: VERSION
 
 -include $(OBJECTS:.o=.d)
 
 libgit:
         $(QUIET_SUBDIR0)git $(QUIET_SUBDIR1) libgit.a
         $(QUIET_SUBDIR0)git $(QUIET_SUBDIR1) xdiff/lib.a
 
 test: all
         $(QUIET_SUBDIR0)tests $(QUIET_SUBDIR1) all
 
 install: all
         mkdir -p $(DESTDIR)$(CGIT_SCRIPT_PATH)
         install cgit $(DESTDIR)$(CGIT_SCRIPT_PATH)/$(CGIT_SCRIPT_NAME)
         install -m 0644 cgit.css $(DESTDIR)$(CGIT_SCRIPT_PATH)/cgit.css
         install -m 0644 cgit.png $(DESTDIR)$(CGIT_SCRIPT_PATH)/cgit.png
 
 uninstall:
         rm -f $(CGIT_SCRIPT_PATH)/$(CGIT_SCRIPT_NAME)
         rm -f $(CGIT_SCRIPT_PATH)/cgit.css
diff --git a/cgit.h b/cgit.h
index 91db98a..92f0c5a 100644
--- a/cgit.h
+++ b/cgit.h
@@ -212,32 +212,26 @@ extern int cgit_refs_cb(const char *refname, const unsigned char *sha1,
                         int flags, void *cb_data);
 
 extern void *cgit_free_commitinfo(struct commitinfo *info);
 
 extern int cgit_diff_files(const unsigned char *old_sha1,
                            const unsigned char *new_sha1,
                            linediff_fn fn);
 
 extern void cgit_diff_tree(const unsigned char *old_sha1,
                            const unsigned char *new_sha1,
                            filepair_fn fn, const char *prefix);
 
 extern void cgit_diff_commit(struct commit *commit, filepair_fn fn);
 
 extern char *fmt(const char *format,...);
 
 extern struct commitinfo *cgit_parse_commit(struct commit *commit);
 extern struct taginfo *cgit_parse_tag(struct tag *tag);
 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);
 
-/* libgit.a either links against or compiles its own implementation of
- * strcasestr(), and we'd like to reuse it. Simply re-declaring it
- * seems to do the trick.
- */
-extern char *strcasestr(const char *haystack, const char *needle);
-
 
 #endif /* CGIT_H */
diff --git a/parsing.c b/parsing.c
index c8f3048..f3f3b15 100644
--- a/parsing.c
+++ b/parsing.c
@@ -75,62 +75,66 @@ char *parse_user(char *t, char **name, char **email, unsigned long *date)
                 } else if (mode == 1 && *p == '\n') {
                         *name = substr(t, p);
                         p++;
                         break;
                 } else if (mode == 2 && *p == '>') {
                         *email = substr(t, p + 1);
                         t = p;
                         mode++;
                 } else if (mode == 2 && *p == '\n') {
                         *email = substr(t, p);
                         p++;
                         break;
                 } else if (mode == 3 && isdigit(*p)) {
                         *date = atol(p);
                         mode++;
                 } else if (*p == '\n') {
                         p++;
                         break;
                 }
                 p++;
         }
         return p;
 }
 
+#ifdef NO_ICONV
+#define reencode(a, b, c)
+#else
 const char *reencode(char **txt, const char *src_enc, const char *dst_enc)
 {
         char *tmp;
 
         if (!txt || !*txt || !src_enc || !dst_enc)
                 return *txt;
 
         tmp = reencode_string(*txt, src_enc, dst_enc);
         if (tmp) {
                 free(*txt);
                 *txt = tmp;
         }
         return *txt;
 }
+#endif
 
 struct commitinfo *cgit_parse_commit(struct commit *commit)
 {
         struct commitinfo *ret;
         char *p = commit->buffer, *t = commit->buffer;
 
         ret = xmalloc(sizeof(*ret));
         ret->commit = commit;
         ret->author = NULL;
         ret->author_email = NULL;
         ret->committer = NULL;
         ret->committer_email = NULL;
         ret->subject = NULL;
         ret->msg = NULL;
         ret->msg_encoding = NULL;
 
         if (p == NULL)
                 return ret;
 
         if (strncmp(p, "tree ", 5))
                 die("Bad commit: %s", sha1_to_hex(commit->object.sha1));
         else
                 p += 46; // "tree " + hex[40] + "\n"
 
diff --git a/ui-log.c b/ui-log.c
index 8dd8b89..d212984 100644
--- a/ui-log.c
+++ b/ui-log.c
@@ -43,60 +43,73 @@ void print_commit(struct commit *commit)
         html_link_open(tmp, NULL, NULL);
         cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
         html_link_close();
         html("</td><td>");
         cgit_commit_link(info->subject, NULL, NULL, ctx.qry.head,
                          sha1_to_hex(commit->object.sha1));
         html("</td><td>");
         html_txt(info->author);
         if (ctx.repo->enable_log_filecount) {
                 files = 0;
                 add_lines = 0;
                 rem_lines = 0;
                 cgit_diff_commit(commit, inspect_files);
                 html("</td><td>");
                 htmlf("%d", files);
                 if (ctx.repo->enable_log_linecount) {
                         html("</td><td>");
                         htmlf("-%d/+%d", rem_lines, add_lines);
                 }
         }
         html("</td></tr>\n");
         cgit_free_commitinfo(info);
 }
 
+static const char *disambiguate_ref(const char *ref)
+{
+        unsigned char sha1[20];
+        const char *longref;
+
+        longref = fmt("refs/heads/%s", ref);
+        if (get_sha1(longref, sha1) == 0)
+                return longref;
+
+        return ref;
+}
 
 void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
                     char *path, int pager)
 {
         struct rev_info rev;
         struct commit *commit;
-        const char *argv[] = {NULL, tip, NULL, NULL, NULL};
+        const char *argv[] = {NULL, NULL, NULL, NULL, NULL};
         int argc = 2;
         int i, columns = 3;
 
         if (!tip)
-                argv[1] = ctx.qry.head;
+                tip = ctx.qry.head;
+
+        argv[1] = disambiguate_ref(tip);
 
         if (grep && pattern && (!strcmp(grep, "grep") ||
                                 !strcmp(grep, "author") ||
                                 !strcmp(grep, "committer")))
                 argv[argc++] = fmt("--%s=%s", grep, pattern);
 
         if (path) {
                 argv[argc++] = "--";
                 argv[argc++] = path;
         }
         init_revisions(&rev, NULL);
         rev.abbrev = DEFAULT_ABBREV;
         rev.commit_format = CMIT_FMT_DEFAULT;
         rev.verbose_header = 1;
         rev.show_root_diff = 0;
         setup_revisions(argc, argv, &rev, NULL);
         rev.grep_filter.regflags |= REG_ICASE;
         compile_grep_patterns(&rev.grep_filter);
         prepare_revision_walk(&rev);
 
         if (pager)
                 html("<table class='list nowrap'>");
 
         html("<tr class='nohover'><th class='left'>Age</th>"
diff --git a/ui-repolist.c b/ui-repolist.c
index c23232c..2324273 100644
--- a/ui-repolist.c
+++ b/ui-repolist.c
@@ -1,32 +1,36 @@
 /* ui-repolist.c: functions for generating the repolist page
  *
  * Copyright (C) 2006 Lars Hjemli
  *
  * Licensed under GNU General Public License v2
  *   (see COPYING for full license text)
  */
 
+/* This is needed for strcasestr to be defined by <string.h> */
+#define _GNU_SOURCE 1
+#include <string.h>
+
 #include <time.h>
 
 #include "cgit.h"
 #include "html.h"
 #include "ui-shared.h"
 
 time_t read_agefile(char *path)
 {
         FILE *f;
         static char buf[64], buf2[64];
 
         if (!(f = fopen(path, "r")))
                 return -1;
         if (fgets(buf, sizeof(buf), f) == NULL)
                 return -1;
         fclose(f);
         if (parse_date(buf, buf2, sizeof(buf2)))
                 return strtoul(buf2, NULL, 10);
         else
                 return 0;
 }
 
 static void print_modtime(struct cgit_repo *repo)
 {