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zsh-workers/8084

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This commit is contained in:
Tanaka Akira 1999-09-28 10:45:54 +00:00
parent 4908fb3158
commit b015f25ec9
2 changed files with 28 additions and 3 deletions
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7
Doc/Zsh/builtins.yo
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@ -682,7 +682,12 @@ item(tt(pwd) [ tt(-rLP) ])(
Print the absolute pathname of the current working directory.
If the tt(-r) or the tt(-P) flag is specified, or the tt(CHASE_LINKS)
option is set and the tt(-L) flag is not given, the printed path will not
contain symbolic links.
contain symbolic links. Otherwise, the shell will print the stored
directory, i.e. the value to which tt($PWD) was last set. In this case, it
will check that the current tt($PWD) is still valid; if it is, or if it is
unable to find a valid path because the current directory no longer exists,
it will print that, and if it is not, it will print the full path without
symbolic links and update tt($PWD) accordingly.
)
alias(r)(fc -e -)
findex(read)

24
Src/builtin.c
View file

@ -572,8 +572,28 @@ bin_pwd(char *name, char **argv, char *ops, int func)
if (ops['r'] || ops['P'] || (isset(CHASELINKS) && !ops['L']))
printf("%s\n", zgetcwd());
else {
zputs(pwd, stdout);
putchar('\n');
struct stat stdot, stpwd;
char *tmppwd;
/*
* We could print nothing and return status 1 if we can't
* stat ., but that's incompatible with both ksh and what
* we used to do.
*/
if (stat(".", &stdot) < 0 ||
stat(pwd, &stpwd) >= 0 && stpwd.st_ino == stdot.st_ino) {
zputs(pwd, stdout);
putchar('\n');
} else {
/*
* The directory has changed without us noticing it. We
* need to change pwd, since directory changing commands
* are liable to fail otherwise.
*/
zsfree(pwd);
printf("%s\n", tmppwd = zgetcwd());
pwd = metafy(tmppwd, -1, META_DUP);
set_pwd_env();
}
}
return 0;
}