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authorAllan McRae <allan@archlinux.org>2012-03-09 17:43:47 +1000
committerDan McGee <dan@archlinux.org>2012-04-07 11:27:39 -0500
commit923214497f1873a5bd1989aad867b629166d89b1 (patch)
treea91b5a5d16ad49eac2edb8280dc24da126f2a39d
parent1917c845f74640262e452b67836b41faca52eb4e (diff)
downloadpacman-923214497f1873a5bd1989aad867b629166d89b1.tar.xz
makepkg: safely change directories
In preparation for the removal of the global error trap we need a way to ensure changing directories succeeds. Add a "cd_safe" wrapper that performs the necessary check. Signed-off-by: Allan McRae <allan@archlinux.org> Signed-off-by: Dan McGee <dan@archlinux.org>
-rw-r--r--scripts/makepkg.sh.in34
1 files changed, 21 insertions, 13 deletions
diff --git a/scripts/makepkg.sh.in b/scripts/makepkg.sh.in
index 43472cb2..ffa3a34e 100644
--- a/scripts/makepkg.sh.in
+++ b/scripts/makepkg.sh.in
@@ -874,6 +874,14 @@ error_function() {
exit 2 # $E_BUILD_FAILED
}
+cd_safe() {
+ if ! cd "$1"; then
+ error "$(gettext "Failed to change to directory %s")" "$1"
+ plain "$(gettext "Aborting...")"
+ exit 1
+ fi
+}
+
run_function() {
if [[ -z $1 ]]; then
return 1
@@ -891,7 +899,7 @@ run_function() {
fi
msg "$(gettext "Starting %s()...")" "$pkgfunc"
- cd "$srcdir"
+ cd_safe "$srcdir"
# ensure all necessary build variables are exported
export CFLAGS CXXFLAGS LDFLAGS MAKEFLAGS CHOST
@@ -969,7 +977,7 @@ run_package() {
}
tidy_install() {
- cd "$pkgdir"
+ cd_safe "$pkgdir"
msg "$(gettext "Tidying install...")"
if [[ $(check_option docs) = "n" && -n ${DOC_DIRS[*]} ]]; then
@@ -1226,7 +1234,7 @@ write_pkginfo() {
}
check_package() {
- cd "$pkgdir"
+ cd_safe "$pkgdir"
# check existence of backup files
local file
@@ -1255,7 +1263,7 @@ create_package() {
check_package
- cd "$pkgdir"
+ cd_safe "$pkgdir"
msg "$(gettext "Creating package...")"
local nameofpkg
@@ -1414,7 +1422,7 @@ create_srcpackage() {
# tar it up
msg2 "$(gettext "Compressing source package...")"
- cd "${srclinks}"
+ cd_safe "${srclinks}"
if ! bsdtar -c${TAR_OPT}Lf "$pkg_file" ${pkgbase}; then
error "$(gettext "Failed to create source package file.")"
exit 1 # TODO: error code
@@ -1430,7 +1438,7 @@ create_srcpackage() {
warning "$(gettext "Failed to create symlink to source package file.")"
fi
- cd "${startdir}"
+ cd_safe "${startdir}"
rm -rf "${srclinks}"
}
@@ -1855,7 +1863,7 @@ canonicalize_path() {
if [[ -d $path ]]; then
(
- cd "$path"
+ cd_safe "$path"
pwd -P
)
else
@@ -2179,7 +2187,7 @@ fi
if (( GENINTEG )); then
mkdir -p "$srcdir"
chmod a-s "$srcdir"
- cd "$srcdir"
+ cd_safe "$srcdir"
download_sources
generate_checksums
exit 0 # $E_OK
@@ -2329,14 +2337,14 @@ if (( SOURCEONLY )); then
# Get back to our src directory so we can begin with sources.
mkdir -p "$srcdir"
chmod a-s "$srcdir"
- cd "$srcdir"
+ cd_safe "$srcdir"
if ( (( ! SKIPCHECKSUMS )) || \
( (( ! SKIPPGPCHECK )) && source_has_signatures ) ) || \
(( SOURCEONLY == 2 )); then
download_sources
fi
check_source_integrity
- cd "$startdir"
+ cd_safe "$startdir"
# if we are root or if fakeroot is not enabled, then we don't use it
if [[ $(check_buildenv fakeroot) != "y" ]] || (( EUID == 0 )); then
@@ -2392,7 +2400,7 @@ umask 0022
# get back to our src directory so we can begin with sources
mkdir -p "$srcdir"
chmod a-s "$srcdir"
-cd "$srcdir"
+cd_safe "$srcdir"
if (( NOEXTRACT )); then
warning "$(gettext "Skipping source retrieval -- using existing %s tree")" "src/"
@@ -2428,7 +2436,7 @@ else
fi
mkdir -p "$pkgdir"
chmod a-s "$pkgdir"
- cd "$startdir"
+ cd_safe "$startdir"
# if we are root or if fakeroot is not enabled, then we don't use it
if [[ $(check_buildenv fakeroot) != "y" ]] || (( EUID == 0 )); then
@@ -2458,7 +2466,7 @@ else
devel_update
(( BUILDFUNC )) && run_build
(( CHECKFUNC )) && run_check
- cd "$startdir"
+ cd_safe "$startdir"
fi
enter_fakeroot