2005-10-23 21:30:45 +00:00
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#include "cache.h"
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#include "quote.h"
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2006-01-11 02:12:17 +00:00
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#include "exec_cmd.h"
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2007-10-09 14:33:25 +00:00
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#include "strbuf.h"
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2008-08-20 01:05:43 +00:00
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#include "builtin.h"
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2005-10-23 21:30:45 +00:00
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static int do_generic_cmd(const char *me, char *arg)
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{
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const char *my_argv[4];
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2008-07-21 19:19:52 +00:00
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setup_path();
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2005-11-26 04:57:02 +00:00
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if (!arg || !(arg = sq_dequote(arg)))
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2005-10-23 21:30:45 +00:00
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die("bad argument");
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Mechanical conversion to use prefixcmp()
This mechanically converts strncmp() to use prefixcmp(), but only when
the parameters match specific patterns, so that they can be verified
easily. Leftover from this will be fixed in a separate step, including
idiotic conversions like
if (!strncmp("foo", arg, 3))
=>
if (!(-prefixcmp(arg, "foo")))
This was done by using this script in px.perl
#!/usr/bin/perl -i.bak -p
if (/strncmp\(([^,]+), "([^\\"]*)", (\d+)\)/ && (length($2) == $3)) {
s|strncmp\(([^,]+), "([^\\"]*)", (\d+)\)|prefixcmp($1, "$2")|;
}
if (/strncmp\("([^\\"]*)", ([^,]+), (\d+)\)/ && (length($1) == $3)) {
s|strncmp\("([^\\"]*)", ([^,]+), (\d+)\)|(-prefixcmp($2, "$1"))|;
}
and running:
$ git grep -l strncmp -- '*.c' | xargs perl px.perl
Signed-off-by: Junio C Hamano <junkio@cox.net>
2007-02-20 09:53:29 +00:00
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if (prefixcmp(me, "git-"))
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2006-01-11 02:12:17 +00:00
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die("bad command");
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2005-10-23 21:30:45 +00:00
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2006-01-11 02:12:17 +00:00
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my_argv[0] = me + 4;
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2005-10-23 21:30:45 +00:00
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my_argv[1] = arg;
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my_argv[2] = NULL;
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2006-03-05 10:47:29 +00:00
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return execv_git_cmd(my_argv);
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2005-10-23 21:30:45 +00:00
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}
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2007-10-09 14:33:25 +00:00
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static int do_cvs_cmd(const char *me, char *arg)
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{
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const char *cvsserver_argv[3] = {
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"cvsserver", "server", NULL
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};
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if (!arg || strcmp(arg, "server"))
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die("git-cvsserver only handles server: %s", arg);
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2008-07-21 19:19:52 +00:00
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setup_path();
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2007-10-09 14:33:25 +00:00
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return execv_git_cmd(cvsserver_argv);
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}
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2005-10-23 21:30:45 +00:00
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static struct commands {
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const char *name;
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int (*exec)(const char *me, char *arg);
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} cmd_list[] = {
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{ "git-receive-pack", do_generic_cmd },
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{ "git-upload-pack", do_generic_cmd },
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2007-10-09 14:33:25 +00:00
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{ "cvs", do_cvs_cmd },
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2005-10-23 21:30:45 +00:00
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{ NULL },
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};
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2008-08-20 01:05:43 +00:00
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int cmd_shell(int argc, const char **argv, const char *prefix)
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2005-10-23 21:30:45 +00:00
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{
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char *prog;
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struct commands *cmd;
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2007-12-02 06:16:19 +00:00
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/*
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* Special hack to pretend to be a CVS server
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*/
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2007-10-09 14:33:25 +00:00
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if (argc == 2 && !strcmp(argv[1], "cvs server"))
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argv--;
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2007-12-02 06:16:19 +00:00
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/*
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* We do not accept anything but "-c" followed by "cmd arg",
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* where "cmd" is a very limited subset of git commands.
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*/
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2007-10-09 14:33:25 +00:00
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else if (argc != 3 || strcmp(argv[1], "-c"))
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2005-10-23 21:30:45 +00:00
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die("What do you think I am? A shell?");
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2008-08-20 01:05:43 +00:00
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prog = xstrdup(argv[2]);
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2007-12-02 06:16:19 +00:00
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if (!strncmp(prog, "git", 3) && isspace(prog[3]))
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/* Accept "git foo" as if the caller said "git-foo". */
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prog[3] = '-';
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2005-10-23 21:30:45 +00:00
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for (cmd = cmd_list ; cmd->name ; cmd++) {
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int len = strlen(cmd->name);
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char *arg;
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if (strncmp(cmd->name, prog, len))
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continue;
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arg = NULL;
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switch (prog[len]) {
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case '\0':
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arg = NULL;
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break;
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case ' ':
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arg = prog + len + 1;
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break;
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default:
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continue;
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}
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exit(cmd->exec(cmd->name, arg));
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}
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die("unrecognized command '%s'", prog);
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}
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