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-s pill from arvo's git hash and branch

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This commit is contained in:
Ted Blackman 2017-10-30 03:17:14 -07:00
parent bef3f128b4
commit e852389fd2
3 changed files with 80 additions and 23 deletions
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1
include/vere/vere.h
View File

@ -546,6 +546,7 @@
c3_o fak; // -F, fake carrier
c3_o fog; // -X, skip last event
c3_o gab; // -g, run with garbage collector
c3_o git; // -s, pill url from arvo git hash
c3_o loh; // -L, local-only networking
c3_o mem; // -M, memory madness
c3_o nuu; // -c, new pier

91
noun/manage.c
View File

@ -1500,34 +1500,79 @@ _cm_init(c3_o chk_o)
}
}
/* _get_cmd_output(): Run a shell command and capture its output.
Exits with an error if the command fails or produces no output.
The 'out_c' parameter should be an array of sufficient length to hold
the command's output, up to a max of 2048 characters.
*/
static void
_get_cmd_output(c3_c *cmd_c, c3_c *out_c)
{
FILE *fp = popen(cmd_c, "r");
if ( NULL == fp ) {
fprintf(stderr, "'%s' failed\n", cmd_c);
exit(1);
}
if ( NULL == fgets(out_c, 2048, fp) ) {
fprintf(stderr, "'%s' produced no output\n", cmd_c);
exit(1);
}
pclose(fp);
}
/* _arvo_hash(): retrieve git hash of arvo directory.
hax_c must be an array with length >= 41.
*/
static void
_arvo_hash(c3_c *hax_c, c3_c *arv_c)
_arvo_hash(c3_c *out_c, c3_c *arv_c)
{
FILE *fp;
c3_c *cmd[2048];
c3_c cmd_c[2048];
sprintf(cmd_c, "git -C %s rev-parse HEAD", arv_c);
_get_cmd_output(cmd_c, out_c);
out_c[strcspn(out_c, "\r\n")] = 0; /* strip newline */
}
/* _git_branch(): retrieve the current git branch */
static void
_git_branch(c3_c *out_c, c3_c *arv_c)
{
c3_c cmd_c[2048];
sprintf(cmd_c, "git -C %s rev-parse --abbrev-ref HEAD", arv_c);
_get_cmd_output(cmd_c, out_c);
out_c[strcspn(out_c, "\r\n")] = 0; /* strip newline */
}
/* _pill_url(): produce a URL from which to download a pill
based on the location of an arvo git repository.
*/
static void
_pill_url(c3_c *out_c, c3_c *arv_c)
{
if ( NULL == arv_c ) {
fprintf(stderr, "Error: No arvo directory specified\n");
exit(1);
}
if ( 0 != system("which git >> /dev/null") ) {
fprintf(stderr, "Could not find git executable\n");
exit(1);
}
sprintf(cmd, "git -C %s rev-parse HEAD", arv_c);
fp = popen(cmd, "r");
if ( NULL == fp ) {
fprintf(stderr, "'git rev-parse HEAD' failed\n");
exit(1);
}
{
c3_c hax_c[2048];
c3_c bra_c[2048];
if ( NULL == fgets(hax_c, 41, fp) ) {
fprintf(stderr, "'git rev-parse HEAD' produced no output\n");
exit(1);
}
_git_branch(bra_c, arv_c);
_arvo_hash(hax_c, arv_c);
pclose(fp);
hax_c[strcspn(hax_c, "\r\n")] = 0; /* strip newline */
sprintf(out_c, "https://bootstrap.urbit.org/%s-%s.pill", hax_c, bra_c);
}
}
/* _boot_home(): create ship directory. */
@ -1579,9 +1624,12 @@ _boot_home(c3_c *dir_c, c3_c *pil_c, c3_c *url_c, c3_c *arv_c)
CURL *curl;
CURLcode result;
FILE *file;
c3_c hax_c[41];
c3_c pil_c[2048];
_arvo_hash(hax_c, arv_c);
if ( NULL == url_c ) {
url_c = pil_c;
_pill_url(url_c, arv_c);
}
snprintf(ful_c, 2048, "%s/.urb/urbit.pill", dir_c);
printf("fetching %s to %s\r\n", url_c, ful_c);
@ -1598,8 +1646,10 @@ _boot_home(c3_c *dir_c, c3_c *pil_c, c3_c *url_c, c3_c *arv_c)
result = curl_easy_perform(curl);
fclose(file);
if ( result != CURLE_OK ) {
fprintf(stderr, "failed to fetch %s: %s\n", url_c, curl_easy_strerror(result));
fprintf(stderr, "please fetch it manually and specify the location with -B\n");
fprintf(stderr, "failed to fetch %s: %s\n",
url_c, curl_easy_strerror(result));
fprintf(stderr,
"please fetch it manually and specify the location with -B\n");
exit(1);
}
curl_easy_cleanup(curl);
@ -1610,7 +1660,8 @@ _boot_home(c3_c *dir_c, c3_c *pil_c, c3_c *url_c, c3_c *arv_c)
/* u3m_boot(): start the u3 system.
*/
void
u3m_boot(c3_o nuu_o, c3_o bug_o, c3_c* dir_c, c3_c *pil_c, c3_c *url_c, c3_c *arv_c)
u3m_boot(c3_o nuu_o, c3_o bug_o, c3_c* dir_c,
c3_c *pil_c, c3_c *url_c, c3_c *arv_c)
{
/* Activate the loom.
*/

11
vere/main.c
View File

@ -72,6 +72,7 @@ _main_getopt(c3_i argc, c3_c** argv)
u3_Host.ops_u.fak = c3n;
u3_Host.ops_u.fog = c3n;
u3_Host.ops_u.gab = c3n;
u3_Host.ops_u.git = c3n;
u3_Host.ops_u.loh = c3n;
u3_Host.ops_u.mem = c3n;
u3_Host.ops_u.nuu = c3n;
@ -82,7 +83,7 @@ _main_getopt(c3_i argc, c3_c** argv)
u3_Host.ops_u.veb = c3n;
u3_Host.ops_u.kno_w = DefaultKernel;
while ( (ch_i=getopt(argc, argv,"G:B:A:I:w:u:t:f:k:l:n:p:r:LabcdgqvxFMPDXR")) != -1 ) {
while ( (ch_i=getopt(argc, argv,"G:B:A:I:w:u:t:f:k:l:n:p:r:LabcdgqsvxFMPDXR")) != -1 ) {
switch ( ch_i ) {
case 'M': {
u3_Host.ops_u.mem = c3y;
@ -176,6 +177,7 @@ _main_getopt(c3_i argc, c3_c** argv)
case 'D': { u3_Host.ops_u.dry = c3y; break; }
case 'q': { u3_Host.ops_u.qui = c3y; break; }
case 'v': { u3_Host.ops_u.veb = c3y; break; }
case 's': { u3_Host.ops_u.git = c3y; break; }
case '?': default: {
return c3n;
}
@ -230,10 +232,12 @@ _main_getopt(c3_i argc, c3_c** argv)
return c3n;
}
if ( u3_Host.ops_u.nuu != c3y && u3_Host.ops_u.url_c != 0) {
if ( u3_Host.ops_u.nuu != c3y && u3_Host.ops_u.url_c != 0 ) {
fprintf(stderr, "-u only makes sense when bootstrapping a new instance\n");
return c3n;
} else if ( u3_Host.ops_u.nuu == c3y && u3_Host.ops_u.url_c == 0 ) {
} else if ( u3_Host.ops_u.nuu == c3y
&& u3_Host.ops_u.url_c == 0
&& u3_Host.ops_u.git == c3n ) {
u3_Host.ops_u.url_c = "https://bootstrap.urbit.org/latest.pill";
}
@ -312,6 +316,7 @@ u3_ve_usage(c3_i argc, c3_c** argv)
"-q Quiet\n",
"-r host Initial peer address\n",
"-R Report urbit build info\n",
"-s Pill URL from arvo git hash\n",
"-t ticket Use ~ticket automatically\n",
"-u url URL from which to download pill\n",
"-v Verbose\n",