commit: f1118703fac792a38357801516e0da52faf5d048
Author: Mike Gilbert <floppym <AT> gentoo <DOT> org>
AuthorDate: Wed Apr 23 16:06:57 2025 +0000
Commit: Mike Gilbert <floppym <AT> gentoo <DOT> org>
CommitDate: Wed Apr 23 16:06:57 2025 +0000
URL: https://gitweb.gentoo.org/proj/elfix.git/commit/?id=f1118703
Remove install-xattr
Moved to a separate repository.
Signed-off-by: Mike Gilbert <floppym <AT> gentoo.org>
.github/workflows/build-test-ci.yml | 7 -
misc/install-xattr/.gitignore | 15 -
misc/install-xattr/COPYING | 674 -----------------------------------
misc/install-xattr/ChangeLog | 38 --
misc/install-xattr/Makefile | 22 --
misc/install-xattr/checkcopyattrs.sh | 93 -----
misc/install-xattr/install-xattr.c | 447 -----------------------
7 files changed, 1296 deletions(-)
diff --git a/.github/workflows/build-test-ci.yml
b/.github/workflows/build-test-ci.yml
index b2f2bf0..eaa8332 100644
--- a/.github/workflows/build-test-ci.yml
+++ b/.github/workflows/build-test-ci.yml
@@ -24,7 +24,6 @@ jobs:
env:
CC: ${{ matrix.cc }}
SANITIZER: ${{ matrix.sanitize }}
- ASAN_OPTIONS: "detect_leaks=0" # known leaks in install-xattr
UBSAN_OPTIONS: "print_stacktrace=1:halt_on_error=1"
steps:
- name: Install dependencies
@@ -77,9 +76,3 @@ jobs:
make V=1
make V=1 check
make V=1 distcheck
-
- - name: Build (misc/install-xattr)
- run: |
- cd misc/install-xattr
- make V=1
- make check
diff --git a/misc/install-xattr/.gitignore b/misc/install-xattr/.gitignore
deleted file mode 100644
index 670a765..0000000
--- a/misc/install-xattr/.gitignore
+++ /dev/null
@@ -1,15 +0,0 @@
-a
-b
-c
-d/a
-d/b
-d/c
-e/a
-e/b
-e/c
-f/a
-install-xattr
-x
-y
-z
-!Makefile
diff --git a/misc/install-xattr/COPYING b/misc/install-xattr/COPYING
deleted file mode 100644
index 94a9ed0..0000000
--- a/misc/install-xattr/COPYING
+++ /dev/null
@@ -1,674 +0,0 @@
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-the GNU General Public License from time to time. Such new versions will
-be similar in spirit to the present version, but may differ in detail to
-address new problems or concerns.
-
- Each version is given a distinguishing version number. If the
-Program specifies that a certain numbered version of the GNU General
-Public License "or any later version" applies to it, you have the
-option of following the terms and conditions either of that numbered
-version or of any later version published by the Free Software
-Foundation. If the Program does not specify a version number of the
-GNU General Public License, you may choose any version ever published
-by the Free Software Foundation.
-
- If the Program specifies that a proxy can decide which future
-versions of the GNU General Public License can be used, that proxy's
-public statement of acceptance of a version permanently authorizes you
-to choose that version for the Program.
-
- Later license versions may give you additional or different
-permissions. However, no additional obligations are imposed on any
-author or copyright holder as a result of your choosing to follow a
-later version.
-
- 15. Disclaimer of Warranty.
-
- THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
-APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
-HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
-OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
-THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
-IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
-ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
-
- 16. Limitation of Liability.
-
- IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
-WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
-THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
-GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
-USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
-DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
-PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
-EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
-SUCH DAMAGES.
-
- 17. Interpretation of Sections 15 and 16.
-
- If the disclaimer of warranty and limitation of liability provided
-above cannot be given local legal effect according to their terms,
-reviewing courts shall apply local law that most closely approximates
-an absolute waiver of all civil liability in connection with the
-Program, unless a warranty or assumption of liability accompanies a
-copy of the Program in return for a fee.
-
- END OF TERMS AND CONDITIONS
-
- How to Apply These Terms to Your New Programs
-
- If you develop a new program, and you want it to be of the greatest
-possible use to the public, the best way to achieve this is to make it
-free software which everyone can redistribute and change under these terms.
-
- To do so, attach the following notices to the program. It is safest
-to attach them to the start of each source file to most effectively
-state the exclusion of warranty; and each file should have at least
-the "copyright" line and a pointer to where the full notice is found.
-
- <one line to give the program's name and a brief idea of what it does.>
- Copyright (C) <year> <name of author>
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-Also add information on how to contact you by electronic and paper mail.
-
- If the program does terminal interaction, make it output a short
-notice like this when it starts in an interactive mode:
-
- <program> Copyright (C) <year> <name of author>
- This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
- This is free software, and you are welcome to redistribute it
- under certain conditions; type `show c' for details.
-
-The hypothetical commands `show w' and `show c' should show the appropriate
-parts of the General Public License. Of course, your program's commands
-might be different; for a GUI interface, you would use an "about box".
-
- You should also get your employer (if you work as a programmer) or school,
-if any, to sign a "copyright disclaimer" for the program, if necessary.
-For more information on this, and how to apply and follow the GNU GPL, see
-<http://www.gnu.org/licenses/>.
-
- The GNU General Public License does not permit incorporating your program
-into proprietary programs. If your program is a subroutine library, you
-may consider it more useful to permit linking proprietary applications with
-the library. If this is what you want to do, use the GNU Lesser General
-Public License instead of this License. But first, please read
-<http://www.gnu.org/philosophy/why-not-lgpl.html>.
diff --git a/misc/install-xattr/ChangeLog b/misc/install-xattr/ChangeLog
deleted file mode 100644
index 1d25ca5..0000000
--- a/misc/install-xattr/ChangeLog
+++ /dev/null
@@ -1,38 +0,0 @@
-Okay we'll document changes here. This is a small project, so we don't
-have to be very formal.
-
-2015-06-08
-
- * Release 0.5
- * Correct whitespace in PORTAGE_XATTR_EXCLUDE.
- https://bugs.gentoo.org/show_bug.cgi?id=550654.
-
-2014-10-12
-
- * Release 0.4
- * Correct a fork bomb. See
https://bugs.gentoo.org/show_bug.cgi?id=523994.
-
-2014-07-21
-
- * Release 0.3
- * Correctly determine dst path if src is in a dir.
- * Exclude trusted.* extended attribute namespace.
-
-2014-06-15
-
- * Release 0.2
- * Correct the behavior of install-xattr for when it is executed in a
portage
- environment. We must chdir to OLDPWD rather than using PWD else we
wind up
- installing into /usr/lib/portage.
-
-2014-02-13
-
- * Release version 0.1. For discussion leading up to this release,
- see https://bugs.gentoo.org/show_bug.cgi?id=465000.
-
-THANKS
-
- * Mike Frysinger <[email protected]> for your relentless attention.
- * Greg Turner <[email protected]> for testing and fixing bugs.
- * Jason Zaman <[email protected]> for testing and fixing bugs.
- * Zac Medico <[email protected]> for fixing a fork bomb.
diff --git a/misc/install-xattr/Makefile b/misc/install-xattr/Makefile
deleted file mode 100644
index 0474569..0000000
--- a/misc/install-xattr/Makefile
+++ /dev/null
@@ -1,22 +0,0 @@
-CFLAGS ?= -O2 -pipe -g
-CFLAGS += -Wall
-PWD = $$(pwd)
-
-all: install-xattr
-
-install-xattr: install-xattr.c
- $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o $@ $< $(LDLIBS)
-
-PREFIX = /usr
-BINDIR = $(PREFIX)/bin
-install: install-xattr
- install -m 755 -D install-xattr $(DESTDIR)$(BINDIR)/$<
-
-check: checkcopyattrs.sh install-xattr
- $(PWD)/checkcopyattrs.sh
- rm -rf a b c d e f g h x y z backup-a* mode-a target-a
target-install-xattr
-
-clean:
- rm -f *.o *~ install-xattr
-
-.PHONY: all check clean install
diff --git a/misc/install-xattr/checkcopyattrs.sh
b/misc/install-xattr/checkcopyattrs.sh
deleted file mode 100755
index 9d5dc13..0000000
--- a/misc/install-xattr/checkcopyattrs.sh
+++ /dev/null
@@ -1,93 +0,0 @@
-#!/usr/bin/env bash
-set -ex
-
-touch a b c
-mkdir -p d e h
-setfattr -n user.foo -v "bar" a
-setfattr -n user.bas -v "x" a
-setfattr -n user.pax.flags -v "mr" a
-setfattr -n user.pax.flags -v "p" b
-setfattr -n user.pax.flags -v "r" c
-
-./install-xattr a x
-./install-xattr b y
-./install-xattr c z
-
-[[ "$(getfattr --only-values -n user.foo x)" == "bar" ]]
-[[ "$(getfattr --only-values -n user.bas x)" == "x" ]]
-[[ "$(getfattr --only-values -n user.pax.flags x)" == "mr" ]]
-[[ "$(getfattr --only-values -n user.pax.flags y)" == "p" ]]
-[[ "$(getfattr --only-values -n user.pax.flags z)" == "r" ]]
-
-./install-xattr a b c d
-
-[[ "$(getfattr --only-values -n user.foo d/a)" == "bar" ]]
-[[ "$(getfattr --only-values -n user.bas d/a)" == "x" ]]
-[[ "$(getfattr --only-values -n user.pax.flags d/a)" == "mr" ]]
-[[ "$(getfattr --only-values -n user.pax.flags d/b)" == "p" ]]
-[[ "$(getfattr --only-values -n user.pax.flags d/c)" == "r" ]]
-
-# This tests if the src file was inside a directory
-# the correct dst location should be f/a. NOT f/d/a.
-./install-xattr d/a h
-
-[[ -x h/a ]]
-[[ ! -x h/d/a ]]
-[[ "$(getfattr --only-values -n user.foo h/a)" == "bar" ]]
-[[ "$(getfattr --only-values -n user.bas h/a)" == "x" ]]
-
-./install-xattr -t e a b c
-
-[[ "$(getfattr --only-values -n user.foo e/a)" == "bar" ]]
-[[ "$(getfattr --only-values -n user.bas e/a)" == "x" ]]
-[[ "$(getfattr --only-values -n user.pax.flags e/a)" == "mr" ]]
-[[ "$(getfattr --only-values -n user.pax.flags e/b)" == "p" ]]
-[[ "$(getfattr --only-values -n user.pax.flags e/c)" == "r" ]]
-
-./install-xattr a -D f/a
-[[ "$(getfattr --only-values -n user.foo f/a)" == "bar" ]]
-[[ "$(getfattr --only-values -n user.bas f/a)" == "x" ]]
-[[ "$(getfattr --only-values -n user.pax.flags f/a)" == "mr" ]]
-
-# Check that we can copy large files
-truncate -s2G a
-./install-xattr a x
-
-# The following are just tests to make sure the raw install
-# options don't get lost in our optargs parsing.
-# See: https://bugs.gentoo.org/show_bug.cgi?id=465000#c57
-# These should all silently succeed.
-
-./install-xattr --backup=off a backup-a
-./install-xattr --backup=numbered a backup-a
-./install-xattr --backup=existing a backup-a
-./install-xattr --backup=simple a backup-a
-./install-xattr --backup a backup-a
-./install-xattr -b a backup-a
-./install-xattr -C a backup-a
-./install-xattr -p a backup-a
-./install-xattr -d g/g/g
-
-./install-xattr -o "$(id -u)" a mode-a
-./install-xattr -g "$(id -g)" a mode-a
-./install-xattr -m 666 a mode-a
-
-# Let's abuse ourselves
-./install-xattr -s install-xattr target-install-xattr
-[[ -x /usr/bin/sstrip ]] && ./install-xattr -s --strip-program=/usr/bin/sstrip
install-xattr target-install-xattr
-
-./install-xattr -T a target-a
-./install-xattr --help >/dev/null
-./install-xattr --version >/dev/null
-
-# -S, --suffix=SUFFIX
-# override the usual backup suffix
-#
-# --preserve-context
-# preserve SELinux security context
-#
-# -Z, --context=CONTEXT
-# set SELinux security context of files and directories
-
-# Okay, let's clean up after ourselves
-rm -rf a b c d e f g h x y z backup-a* mode-a target-a target-install-xattr
diff --git a/misc/install-xattr/install-xattr.c
b/misc/install-xattr/install-xattr.c
deleted file mode 100644
index 8484f55..0000000
--- a/misc/install-xattr/install-xattr.c
+++ /dev/null
@@ -1,447 +0,0 @@
-/* Copyright 2014-2023 Gentoo Foundation
- * Distributed under the terms of the GNU General Public License v2
- *
- * Wrapper for coreutils install to preserve extended attributes.
- *
- * Copyright 2014 Anthony G. Basile - <[email protected]>
- * Copyright 2014 Mike Frysinger - <[email protected]>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <ctype.h>
-#include <err.h>
-#include <errno.h>
-#include <fnmatch.h>
-#include <getopt.h>
-#include <libgen.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <signal.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <sys/stat.h>
-#include <sys/xattr.h>
-#include <unistd.h>
-
-static char *
-xstrdup(const char *s)
-{
- char *ret = strdup(s);
- if (ret == NULL)
- err(1, "strdup() failed");
- return ret;
-}
-
-static void *
-xmalloc(size_t size)
-{
- void *ret = malloc(size);
- if (ret == NULL)
- err(1, "malloc() failed");
- return ret;
-}
-
-static void *
-xrealloc(void *p, size_t size)
-{
- void *ret = realloc(p, size);
- if (ret == NULL)
- err(1, "realloc() failed");
- return ret;
-}
-
-static char *
-path_join(const char *path, const char *file)
-{
- size_t len_path = strlen(path);
- size_t len_file = strlen(file);
- char *ret = xmalloc(len_path + len_file + 2);
-
- memcpy(ret, path, len_path);
- ret[len_path] = '/';
- memcpy(ret + len_path + 1, file, len_file);
- ret[len_path + len_file + 1] = '\0';
-
- return ret;
-}
-
-static ssize_t
-xlistxattr(const char *path, char *list, size_t size)
-{
- ssize_t ret = listxattr(path, list, size);
- if (ret < 0)
- err(1, "listxattr() failed");
- return ret;
-}
-
-static ssize_t
-xgetxattr(const char *path, char *list, char *value, size_t size)
-{
- ssize_t ret = getxattr(path, list, value, size);
- if (ret < 0)
- err(1, "getxattr() failed");
- return ret;
-}
-
-static ssize_t
-xsetxattr(const char *path, char *list, char *value, size_t size)
-{
- ssize_t ret = setxattr(path, list, value, size, 0);
- if (ret < 0)
- err(1, "setxattr() failed");
- return ret;
-}
-
-char *exclude; /* strings of excluded xattr names */
-size_t len_exclude; /* length of the string of excluded xattr names */
-
-static void
-copyxattr(const char *source, const char *target)
-{
- ssize_t i, j; /* counters to walk through strings
*/
- ssize_t lsize, xsize; /* size in bytes of the list of xattrs and the
values */
- char *lxattr; /* string of xattr names
*/
- static char *value = NULL ; /* string of an xattr name's value
*/
- static size_t value_size = 0; /* size of the value string
*/
-
- lsize = listxattr(source, NULL, 0);
-
- if (lsize < 0) {
- perror("listxattr() failed");
- if (errno == ENOTSUP)
- return;
- exit(1);
- }
-
- /* There's no xattrs at all. */
- if (lsize == 0)
- return;
-
- lxattr = xmalloc(lsize);
- lsize = xlistxattr(source, lxattr, lsize);
-
- i = 0;
- while (1) {
- while (lxattr[i++] == 0)
- continue;
- if (i >= lsize)
- break;
-
- j = 0;
- while (1) {
- while (exclude[j++] == 0)
- continue;
- if (j >= len_exclude)
- break;
- if (!fnmatch(&exclude[j - 1], &lxattr[i - 1], 0))
- goto skip;
- while (exclude[j++] != 0)
- continue;
- if (j >= len_exclude)
- break;
- }
-
- xsize = xgetxattr(source, &lxattr[i-1], 0, 0);
- if (xsize > value_size) {
- value_size = xsize;
- value = xrealloc(value, value_size);
- }
- xgetxattr(source, &lxattr[i-1], value, xsize);
- xsetxattr(target, &lxattr[i-1], value, xsize);
-
- skip:
- while (lxattr[i++] != 0)
- continue;
- if (i >= lsize)
- break;
- }
-
- /* No need to free(value) on return because its static and we */
- /* just keep reusing the same allocated memory on each call. */
- free(lxattr);
-}
-
-
-static char *
-which(char *mypath, char *portage_helper_path)
-{
- /* $PATH for system install */
- char *path = NULL, *env_path = getenv("PATH");
-
- /* If we don't have $PATH in our environment, then pick a sane path. */
- if (env_path == NULL) {
- size_t len = confstr(_CS_PATH, 0, 0);
- path = xmalloc(len);
- confstr(_CS_PATH, path, len);
- } else
- path = xstrdup(env_path);
-
- char *dir; /* one directory in the colon delimited $PATH string */
- char *canpath; /* candidate install's canonical path */
- char *savedptr; /* reentrant context for strtok_r() */
-
- dir = strtok_r(path, ":", &savedptr);
-
- while (dir) {
- char *canfile = path_join(dir, "install");
- canpath = realpath(canfile, NULL);
- free(canfile);
-
- /* ignore invalid paths that cannot be canonicalized */
- if (!canpath)
- goto skip;
-
- /* If argv[0]'s canonical path == candidate install's canonical
path,
- * then we skip this path otheriwise we get into an infinite
self-invocation.
- */
- if (!strcmp(mypath, canpath))
- goto skip;
-
- /* If portage install's canonical path == candidate install's
canonical path,
- * then we skip this path otheriwise we get into an infinite
self-invocation.
- */
- if (portage_helper_path)
- if (!strcmp(portage_helper_path, canpath))
- goto skip;
-
- /* If the canpath exists and is either a regular file or sym
link,
- * assume we found the system's install.
- */
- struct stat s;
-
- if (stat(canpath, &s) == 0)
- if (S_ISREG(s.st_mode)) {
- free(path);
- return canpath;
- }
-
-
- skip:
- free(canpath);
- dir = strtok_r(NULL, ":", &savedptr);
- }
-
- if (env_path == NULL)
- err(1, "failed to find 'install' in standard utilities path");
- else
- err(1, "failed to find 'install' in PATH=%s", env_path);
-}
-
-
-
-int
-main(int argc, char* argv[])
-{
- int i;
- int status; /* exit status of child "install"
process */
-
- char** argv_copy; /* copy argv to avoid mangling by
getopt_long() */
-
- int opts_directory = 0; /* if -d was given, then all arguments
are directories */
- int opts_target_directory = 0; /* if -t was given, then we're
installing to a target directory */
- int target_is_directory = 0; /* is the target a directory?
*/
-
- int first, last; /* argv indices of the first
file/directory and last */
- char *target = NULL; /* the target file or directory
*/
- char *path; /* path to the target file
*/
-
- char *install; /* path to the system
install */
-
- struct stat s; /* test if a file is a regular file or a
directory */
-
- char *portage_xattr_exclude; /* strings of excluded xattr names from
$PORTAGE_XATTR_EXCLUDE */
-
- portage_xattr_exclude = getenv("PORTAGE_XATTR_EXCLUDE");
- if (portage_xattr_exclude == NULL)
- exclude = xstrdup("btrfs.* security.* trusted.*
system.nfs4_acl");
- else
- exclude = xstrdup(portage_xattr_exclude);
-
- len_exclude = strlen(exclude);
-
- /* We convert exclude[] to an array of concatenated NUL terminated
- * strings. Also, no need to free(exclude) before we exit().
- */
- char *p = exclude;
- char *pend = p + len_exclude;
- while (p != pend) {
- if (isspace(*p))
- *p = '\0';
- p++;
- }
-
- opterr = 0; /* we skip many legitimate flags, so silence any warning */
-
- static struct option long_options[] = {
- { "directory", no_argument, 0, 'd'},
- { "target-directory", required_argument, 0, 't'},
- { "group", required_argument, 0, 'g'},
- { "mode", required_argument, 0, 'm'},
- { "owner", required_argument, 0, 'o'},
- { "suffix", required_argument, 0, 'S'},
- { "context", optional_argument, 0, 'Z'},
- { "backup", optional_argument, 0, 'b'},
- { "help", no_argument, 0, 0 },
- { 0, 0, 0, 0 }
- };
-
- /* We copy argv[] because getopts_long() mangles the order of the
arguments.
- * We pass the original argv[] to install in the fork() while we use
- * argv_copy[] for the copying of the xattrs since optind assumes a
reorder
- * parameter list.
- */
- argv_copy = (char **)malloc(argc*sizeof(char *));
-
- for (i = 0; i < argc; i++)
- argv_copy[i] = strdup(argv[i]);
-
- while (1) {
- int option_index;
- int c = getopt_long(argc, argv_copy, "dt:g:m:o:S:Zb",
long_options, &option_index);
-
- if (c == -1)
- break;
-
- switch (c) {
- case 0:
- case 'g':
- case 'm':
- case 'o':
- case 'S':
- case 'Z':
- case 'b':
- case '?':
- /* We skip the flags we don't care about */
- break;
-
- case 'd':
- opts_directory = 1;
- break;
-
- case 't':
- opts_target_directory = 1;
- target = optarg;
- break;
-
- default:
- err(1, "getopt_long() failed");
- }
- }
-
- first = optind;
- last = argc - 1;
-
- /* Do we need to chdir to OLDPWD? This is required when we are called
my a
- * wrapper like ${__PORTAGE_HELPER_PATH} which then passes its
directory as
- * $PWD and the source directory from which it was called as $OLDPWD.
But
- * we want the system install to run in the source directory, ie
$OLDPWD,
- * so we chdir to it. Currently we assume that if __PORTAGE_HELPER_PATH
- * is set, then we chdir to oldpwd.
- */
- char *oldpwd = getenv("OLDPWD");
- char *portage_helper_path = getenv("__PORTAGE_HELPER_PATH");
- char *portage_helper_canpath = NULL;
- if (portage_helper_path)
- if (!oldpwd || chdir(oldpwd) != 0)
- err(1, "failed to chdir %s", oldpwd);
-
- switch (fork()) {
- case -1:
- err(1, "fork() failed");
-
- case 0: {
- char *mypath = realpath("/proc/self/exe", NULL); /*
path to argv[0] */
-
- /* find system install avoiding mypath and
portage_helper_path! */
- if (portage_helper_path)
- portage_helper_canpath =
realpath(portage_helper_path, NULL);
- install = which(mypath, portage_helper_canpath);
- free(mypath);
- free(portage_helper_canpath);
- argv[0] = install; /* so coreutils'
lib/program.c behaves */
- execv(install, argv); /* The kernel will
free(install). */
- err(1, "execv() failed");
- }
-
- default:
- wait(&status);
-
- /* Are there enough files/directories on the cmd line to
- * proceed? This can happen if install is called with
no
- * arguments or with just --help. In which case there
is
- * nothing for the parent to do.
- */
- if (first >= last)
- goto done;
-
- /* If all the targets are directories, do nothing. */
- if (opts_directory)
- goto done;
-
- if (!opts_target_directory) {
- target = argv_copy[last];
- if (stat(target, &s) != 0) {
- err(1, "failed to stat %s", target);
- return EXIT_FAILURE;
- }
- target_is_directory = S_ISDIR(s.st_mode);
- } else {
- /* target was set above with the -t option */
- target_is_directory = 1;
- }
-
- if (target_is_directory) {
- /* If -t was passed, then the last argv *is*
- * a file, so we include it for copyxattr().
- */
- if (opts_target_directory)
- last++;
-
- for (i = first; i < last; i++) {
- if (stat(argv_copy[i], &s) != 0) {
- err(1, "failed to stat %s",
argv_copy[i]);
- return EXIT_FAILURE;
- }
- /* We reproduce install's behavior and
skip
- * all extra directories on the command
line
- * that are not the final target
directory.
- */
- if (S_ISDIR(s.st_mode))
- continue;
-
- path = path_join(target,
basename(argv_copy[i]));
- copyxattr(argv_copy[i], path);
- free(path);
- }
- } else
- copyxattr(argv_copy[first], target);
-
-
- done:
- /* Do the right thing and pass the signal back up. See:
- * http://www.cons.org/cracauer/sigint.html
- */
- if (WIFSIGNALED(status)) {
- int signum = WTERMSIG(status);
- kill(getpid(), signum);
- return 128 + signum;
- } else if (WIFEXITED(status))
- return WEXITSTATUS(status);
- else
- return EXIT_FAILURE; /* We should never get
here. */
-
- }
-}
