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Cleaned up the buffer sizes and added started writing sql update support

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This commit is contained in:
Wyk3d 2008-12-25 02:51:33 +02:00
parent 04af12e82a
commit acb5080733
1 changed files with 79 additions and 34 deletions
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113
contrib/git_id/git_id.cpp
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@ -16,35 +16,49 @@
#include <unistd.h>
#endif
// max string sizes
#define MAX_REMOTE 256
#define MAX_MSG 16384
#define MAX_PATH 2048
#define MAX_BUF 2048
#define MAX_CMD 2048
// config
#define NUM_REMOTES 2
char remotes[NUM_REMOTES][256] = {
char remotes[NUM_REMOTES][MAX_REMOTE] = {
"git@github.com:mangos/mangos.git",
"git://github.com/mangos/mangos.git" // used for fetch if present
};
char rev_file[] = "src/shared/revision_nr.h";
char sql_update_dir[] = "sql/updates";
bool allow_replace = false;
bool local = false;
bool do_fetch = false;
bool do_sql = false;
// aux
char origins[NUM_REMOTES][256];
char origins[NUM_REMOTES][MAX_REMOTE];
int rev;
char head_message[16384];
char write_file[2048];
char buffer[256];
char head_message[MAX_MSG];
char path_prefix[MAX_PATH] = "";
char buffer[MAX_BUF];
char cmd[MAX_CMD];
FILE *cmd_pipe;
bool find_path()
{
printf("+ finding path\n");
char cur_path[2048], *ptr;
getcwd(cur_path, 2048);
int len = strnlen(cur_path, 2048);
char cur_path[MAX_PATH], *ptr;
getcwd(cur_path, MAX_PATH);
int len = strnlen(cur_path, MAX_PATH);
if(cur_path[len-1] == '/' || cur_path[len-1] == '\\')
{
@ -58,17 +72,16 @@ bool find_path()
for(ptr = cur_path-1; ptr = strchr(ptr+1, '\\'); count_back++);
int count = std::max(count_fwd, count_back);
char prefix[2048] = "", path[2048];
char path[MAX_PATH];
for(int i = 0; i < count; i++)
{
snprintf(path, 2048, "%s.git", prefix);
snprintf(path, MAX_PATH, "%s.git", path_prefix);
if(0 == chdir(path))
{
chdir(cur_path);
snprintf(write_file, 2048, "%ssrc/shared/revision_nr.h", prefix);
return true;
}
strncat(prefix, "../", 2048);
strncat(path_prefix, "../", MAX_PATH);
}
return false;
@ -81,15 +94,15 @@ bool find_origin()
return false;
bool ret = false;
while(fgets(buffer, 256, cmd_pipe))
while(fgets(buffer, MAX_BUF, cmd_pipe))
{
char name[256], remote[256];
char name[256], remote[MAX_REMOTE];
sscanf(buffer, "%s %s", name, remote);
for(int i = 0; i < NUM_REMOTES; i++)
{
if(strcmp(remote, remotes[i]) == 0)
{
strncpy(origins[i], name, 256);
strncpy(origins[i], name, MAX_REMOTE);
ret = true;
}
}
@ -101,9 +114,8 @@ bool find_origin()
bool fetch_origin()
{
printf("+ fetching origin\n");
char cmd[256];
// use the public clone url if present because the private may require a password
sprintf(cmd, "git fetch %s master", origins[1][0] ? origins[1] : origins[0]);
snprintf(cmd, MAX_CMD, "git fetch %s master", origins[1][0] ? origins[1] : origins[0]);
int ret = system(cmd);
return true;
}
@ -111,24 +123,23 @@ bool fetch_origin()
bool check_fwd()
{
printf("+ checking fast forward\n");
char cmd[256];
sprintf(cmd, "git log -n 1 --pretty=\"format:%%H\" %s/master", origins[1][0] ? origins[1] : origins[0]);
snprintf(cmd, MAX_CMD, "git log -n 1 --pretty=\"format:%%H\" %s/master", origins[1][0] ? origins[1] : origins[0]);
if( (cmd_pipe = popen( cmd, "r" )) == NULL )
return false;
char hash[256];
if(!fgets(buffer, 256, cmd_pipe)) return false;
strncpy(hash, buffer, 256);
if(!fgets(buffer, MAX_BUF, cmd_pipe)) return false;
strncpy(hash, buffer, MAX_BUF);
pclose(cmd_pipe);
if( (cmd_pipe = popen( "git log --pretty=\"format:%H\"", "r" )) == NULL )
return false;
bool found = false;
while(fgets(buffer, 256, cmd_pipe))
while(fgets(buffer, MAX_BUF, cmd_pipe))
{
buffer[strnlen(buffer, 256) - 1] = '\0';
if(strncmp(hash, buffer, 256) == 0)
buffer[strnlen(buffer, MAX_BUF) - 1] = '\0';
if(strncmp(hash, buffer, MAX_BUF) == 0)
{
found = true;
break;
@ -157,14 +168,13 @@ bool find_rev()
{
if(!local && !origins[i][0]) continue;
char cmd[512];
if(local) sprintf(cmd, "git log HEAD --pretty=\"format:%%s\"");
if(local) snprintf(cmd, MAX_CMD, "git log HEAD --pretty=\"format:%%s\"");
else sprintf(cmd, "git log %s/master --pretty=\"format:%%s\"", origins[i]);
if( (cmd_pipe = popen( cmd, "r" )) == NULL )
continue;
int nr;
while(fgets(buffer, 256, cmd_pipe))
while(fgets(buffer, MAX_BUF, cmd_pipe))
{
nr = get_rev(buffer);
if(nr >= rev)
@ -195,7 +205,10 @@ bool write_rev()
sprintf(rev_str, "%d", rev);
std::string header = generateHeader(rev_str);
if(FILE* OutputFile = fopen(write_file,"wb"))
char prefixed_file[MAX_PATH];
snprintf(prefixed_file, MAX_PATH, "%s%s", path_prefix, rev_file);
if(FILE* OutputFile = fopen(prefixed_file, "wb"))
{
fprintf(OutputFile,"%s", header.c_str());
fclose(OutputFile);
@ -240,8 +253,7 @@ bool find_head_msg()
bool amend_commit()
{
printf("+ amending last commit\n");
char cmd[512];
sprintf(cmd, "git commit --amend -F- %s", write_file);
snprintf(cmd, MAX_CMD, "git commit --amend -F- %s%s", path_prefix, rev_file);
if( (cmd_pipe = popen( cmd, "w" )) == NULL )
return false;
@ -251,6 +263,30 @@ bool amend_commit()
return true;
}
bool find_sql_updates()
{
printf("+ finding sql updates on HEAD\n");
snprintf(cmd, MAX_CMD, "git ls-tree HEAD %s%s/", path_prefix, sql_update_dir);
if( (cmd_pipe = popen( cmd, "r" )) == NULL )
return false;
int dummy;
char hash[256], filename[MAX_PATH];
while(fgets(buffer, MAX_BUF, cmd_pipe))
{
sscanf(buffer, "%d tree %s %s", &dummy, hash, filename);
}
pclose(cmd_pipe);
return true;
}
bool rename_sql_updates()
{
return true;
}
#define DO(cmd) if(!cmd) { printf("FAILED\n"); return 1; }
int main(int argc, char *argv[])
@ -258,13 +294,15 @@ int main(int argc, char *argv[])
for(int i = 1; i < argc; i++)
{
if(argv[i] == NULL) continue;
if(strncmp(argv[i], "-r", 2) == 0 || strncmp(argv[i], "--replace", 2) == 0)
if(strncmp(argv[i], "-r", 2) == 0 || strncmp(argv[i], "--replace", 9) == 0)
allow_replace = true;
if(strncmp(argv[i], "-l", 2) == 0 || strncmp(argv[i], "--local", 2) == 0)
if(strncmp(argv[i], "-l", 2) == 0 || strncmp(argv[i], "--local", 7) == 0)
local = true;
if(strncmp(argv[i], "-f", 2) == 0 || strncmp(argv[i], "--fetch", 2) == 0)
if(strncmp(argv[i], "-f", 2) == 0 || strncmp(argv[i], "--fetch", 7) == 0)
do_fetch = true;
if(strncmp(argv[i], "-h", 2) == 0 || strncmp(argv[i], "--help", 2) == 0)
if(strncmp(argv[i], "-s", 2) == 0 || strncmp(argv[i], "--sql", 5) == 0)
do_sql = true;
if(strncmp(argv[i], "-h", 2) == 0 || strncmp(argv[i], "--help", 6) == 0)
{
printf("Usage: git_id [OPTION]\n");
printf("Generates a new rev number and updates revision_nr.h and the commit message.\n");
@ -274,6 +312,7 @@ int main(int argc, char *argv[])
printf(" commit\n");
printf(" -l, --local search for the highest rev number on HEAD\n");
printf(" -f, --fetch fetch from origin before searching for the new rev\n");
printf(" -s, --sql ");
return 0;
}
}
@ -290,7 +329,13 @@ int main(int argc, char *argv[])
}
DO( find_rev() );
DO( find_head_msg() );
if(do_sql)
DO( find_sql_updates() );
DO( write_rev() );
if(do_sql)
{
DO( rename_sql_updates() );
}
DO( amend_commit() );
return 0;