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Add the first 8 bytes of the git commit digest to our versions. 

Note that unlike subversion revision numbers, it isn't meaningful to
compare these for anything but equality.  We define a sort-order anyway,
in case one of these accidentally slips into a recommended-versions
list.
This commit is contained in:
Nick Mathewson 2009-06-12 13:38:37 -04:00
parent 978571587a
commit daa0326aaa
8 changed files with 58 additions and 55 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
ChangeLog
View File

@ -38,6 +38,8 @@ Changes in version 0.2.2.1-alpha - 2009-0?-??
setting FetchDirInfoEarly to 1. Previous behavior will stay the same
as only certain clients who must have this information sooner should
set this option.
- Instead of adding the svn revision to the Tor version string, report
the git commit (when we're building from a git checkout).
o Minor bugfixes:
- If any the v3 certs we download are unparseable, we should actually

56
src/or/Makefile.am
View File

@ -57,52 +57,18 @@ config_codedigest.o: or_sha1.i
tor_main.o: micro-revision.i
micro-revision.i: FORCE
@svkdir=$$SVKROOT; \
if test "x$$svkdir" = x ; then \
svkdir=$$HOME/.svk; \
fi; \
if test -d ../../.git && test -x "`which git 2>&1;true`" ; then \
if test -d ../../.git/svn && test -x "`which git-svn 2>&1;true`" ; then \
git-svn info ../../README | \
sed -n 's/^Revision: \([0-9][0-9]*\).*/"\1"/p' \
> micro-revision.tmp \
|| true; \
fi; \
elif test -d ../../.svn && test -x "`which svn 2>&1;true`" ; then \
svn info ../.. | \
sed -n 's/^Revision: \([0-9][0-9]*\).*/"\1"/p' > micro-revision.tmp \
|| true; \
elif test -x "`which svk 2>&1;true`" && test -d $$svkdir/local; then \
location=../..; \
rev=x; \
while test x$$rev = xx; do \
x=`svk info $$location | \
sed -n 's/^Mirrored From:.*, Rev\. \([0-9][0-9]*\)/\1/p'`; \
if test x$$x != x; then \
rev=$$x; \
break; \
else \
loc=`svk info $$location | \
sed -n 's/^Copied From: \(.*\), Rev\. [0-9][0-9]*/\1/p' | \
head -1`; \
if test x$$loc = x; then \
break; \
else \
location=/$$loc; \
fi; \
fi; \
done; \
if test x$$rev != xx; then \
echo \"$$rev\" > micro-revision.tmp; \
fi; \
fi; \
if test ! -f micro-revision.tmp ; then \
if test ! -f micro-revision.i ; then \
echo '""' > micro-revision.i; \
fi; \
elif test ! -f micro-revision.i || \
@rm -f micro-revision.tmp; \
if test -d ../../.git && test -x "`which git 2>&1;true`"; then \
HASH="`git rev-parse --short=16 HEAD`"; \
echo \"$$HASH\" > micro-revision.tmp; \
fi; \
if test ! -f micro-revision.tmp ; then \
if test ! -f micro-revision.i ; then \
echo '""' > micro-revision.i; \
fi; \
elif test ! -f micro-revision.i || \
test x"`cat micro-revision.tmp`" != x"`cat micro-revision.i`"; then \
mv micro-revision.tmp micro-revision.i; \
mv micro-revision.tmp micro-revision.i; \
fi; true
or_sha1.i: $(tor_SOURCES) test_data.c test.c

8
src/or/config.c
View File

@ -817,7 +817,7 @@ set_options(or_options_t *new_val, char **msg)
return 0;
}
extern const char tor_svn_revision[]; /* from tor_main.c */
extern const char tor_git_revision[]; /* from tor_main.c */
/** The version of this Tor process, as parsed. */
static char *_version = NULL;
@ -827,10 +827,10 @@ const char *
get_version(void)
{
if (_version == NULL) {
if (strlen(tor_svn_revision)) {
size_t len = strlen(VERSION)+strlen(tor_svn_revision)+8;
if (strlen(tor_git_revision)) {
size_t len = strlen(VERSION)+strlen(tor_git_revision)+16;
_version = tor_malloc(len);
tor_snprintf(_version, len, "%s (r%s)", VERSION, tor_svn_revision);
tor_snprintf(_version, len, "%s (git-%s)", VERSION, tor_git_revision);
} else {
_version = tor_strdup(VERSION);
}

3
src/or/or.h
View File

@ -4698,6 +4698,9 @@ typedef struct tor_version_t {
int patchlevel;
char status_tag[MAX_STATUS_TAG_LEN];
int svn_revision;
int git_tag_len;
char git_tag[DIGEST_LEN];
} tor_version_t;
int router_get_router_hash(const char *s, char *digest);

2
src/or/router.c
View File

@ -1608,8 +1608,6 @@ router_guess_address_from_dir_headers(uint32_t *guess)
return -1;
}
extern const char tor_svn_revision[]; /* from tor_main.c */
/** Set <b>platform</b> (max length <b>len</b>) to a NUL-terminated short
* string describing the version of Tor and the operating system we're
* currently running on.

25
src/or/routerparse.c
View File

@ -3325,7 +3325,7 @@ tor_version_as_new_as(const char *platform, const char *cutoff)
if (!*start) return 0;
s = (char *)find_whitespace(start); /* also finds '\0', which is fine */
s2 = (char*)eat_whitespace(s);
if (!strcmpstart(s2, "(r"))
if (!strcmpstart(s2, "(r") || !strcmpstart(s2, "(git-"))
s = (char*)find_whitespace(s2);
if ((size_t)(s-start+1) >= sizeof(tmp)) /* too big, no */
@ -3421,6 +3421,21 @@ tor_version_parse(const char *s, tor_version_t *out)
if (!strcmpstart(cp, "(r")) {
cp += 2;
out->svn_revision = (int) strtol(cp,&eos,10);
} else if (!strcmpstart(cp, "(git-")) {
char *close_paren = strchr(cp, ')');
int hexlen;
char digest[DIGEST_LEN];
if (! close_paren)
return -1;
cp += 5;
hexlen = (close_paren-cp);
memset(digest, 0, sizeof(digest));
if (hexlen > HEX_DIGEST_LEN || hexlen == 0 || (hexlen % 2) == 1)
return -1;
if (base16_decode(digest, hexlen/2, cp, hexlen))
return -1;
memcpy(out->git_tag, digest, hexlen/2);
out->git_tag_len = hexlen/2;
}
return 0;
@ -3446,8 +3461,14 @@ tor_version_compare(tor_version_t *a, tor_version_t *b)
return i;
else if ((i = strcmp(a->status_tag, b->status_tag)))
return i;
else if ((i = a->svn_revision - b->svn_revision))
return i;
else if ((i = a->git_tag_len - b->git_tag_len))
return i;
else if (a->git_tag_len)
return memcmp(a->git_tag, b->git_tag, a->git_tag_len);
else
return a->svn_revision - b->svn_revision;
return 0;
}
/** Return true iff versions <b>a</b> and <b>b</b> belong to the same series.

15
src/or/test.c
View File

@ -5,7 +5,7 @@
/* Ordinarily defined in tor_main.c; this bit is just here to provide one
* since we're not linking to tor_main.c */
const char tor_svn_revision[] = "";
const char tor_git_revision[] = "";
/**
* \file test.c
@ -3212,6 +3212,19 @@ test_dir_format(void)
"Tor 0.2.1.0-dev (r99)"));
test_eq(1, tor_version_as_new_as("Tor 0.2.1.1",
"Tor 0.2.1.0-dev (r99)"));
/* Now try git revisions */
test_eq(0, tor_version_parse("0.5.6.7 (git-ff00ff)", &ver1));
test_eq(0, ver1.major);
test_eq(5, ver1.minor);
test_eq(6, ver1.micro);
test_eq(7, ver1.patchlevel);
test_eq(3, ver1.git_tag_len);
test_memeq(ver1.git_tag, "\xff\x00\xff", 3);
test_eq(-1, tor_version_parse("0.5.6.7 (git-ff00xx)", &ver1));
test_eq(-1, tor_version_parse("0.5.6.7 (git-ff00fff)", &ver1));
test_eq(0, tor_version_parse("0.5.6.7 (git ff00fff)", &ver1));
done:
if (r1)
routerinfo_free(r1);

2
src/or/tor_main.c
View File

@ -7,7 +7,7 @@
* built from. This string is generated by a bit of shell kludging int
* src/or/Makefile.am, and is usually right.
*/
const char tor_svn_revision[] =
const char tor_git_revision[] =
#ifndef _MSC_VER
#include "micro-revision.i"
#endif