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authorEli Schwartz <eschwartz@archlinux.org>2017-10-30 14:03:28 -0400
committerAllan McRae <allan@archlinux.org>2017-12-07 15:06:10 +1000
commitc50ce453dc4adc1339577e3f0f1010590be3724f (patch)
tree96e512e42c7cd7d1ab937b8a4539892567b97e19
parentad0517d3711b6826cd7a95b99beb36ccd072c2e0 (diff)
makepkg: reorganize the restoration of settings by precedence
The extra variables on the commandline were inconsistently applied. They should override anything else, instead, most were overridden by environment variables with the exception of BUILDDIR (and this was not sanity-checked to see if it had write permissions). e.g. given the commandline: `PKGDEST="$(pwd)"` BUILDDIR="$(pwd)" makepkg PKGDEST=/doesnt/exist BUILDDIR=/doesnt/exist` We would incorrectly use the current working directory for PKGDEST. Meanwhile, we checked the wrong directory for BUILDDIR, and later errored when we tried to create $srcdir inside the non-writable directory "/doesnt/exist". In order to fix this, use the preferred bash builtin for saving variable definitions, similar to how we restore traps etc. rather than tediously redefining each one by hand, and restore this immediately after makepkg.conf is sourced. Finally, the `make`-style commandline overrides are applied. Also canonicalize_path is applied only on the final paths we try to use. While it is unlikely the value in makepkg.conf will be a relative path, since we now properly respect commandline overrides, they should be canonicalized as well. Signed-off-by: Eli Schwartz <eschwartz@archlinux.org> Signed-off-by: Allan McRae <allan@archlinux.org>
-rw-r--r--scripts/makepkg.sh.in50
1 files changed, 16 insertions, 34 deletions
diff --git a/scripts/makepkg.sh.in b/scripts/makepkg.sh.in
index 73170f1f..68e5187f 100644
--- a/scripts/makepkg.sh.in
+++ b/scripts/makepkg.sh.in
@@ -1325,17 +1325,8 @@ done
trap 'trap_exit INT "$(gettext "Aborted by user! Exiting...")"' INT
trap 'trap_exit USR1 "$(gettext "An unknown error has occurred. Exiting...")"' ERR
-# preserve environment variables and canonicalize path
-[[ -n ${PKGDEST} ]] && _PKGDEST=$(canonicalize_path ${PKGDEST})
-[[ -n ${SRCDEST} ]] && _SRCDEST=$(canonicalize_path ${SRCDEST})
-[[ -n ${SRCPKGDEST} ]] && _SRCPKGDEST=$(canonicalize_path ${SRCPKGDEST})
-[[ -n ${LOGDEST} ]] && _LOGDEST=$(canonicalize_path ${LOGDEST})
-[[ -n ${BUILDDIR} ]] && _BUILDDIR=$(canonicalize_path ${BUILDDIR})
-[[ -n ${PKGEXT} ]] && _PKGEXT=${PKGEXT}
-[[ -n ${SRCEXT} ]] && _SRCEXT=${SRCEXT}
-[[ -n ${GPGKEY} ]] && _GPGKEY=${GPGKEY}
-[[ -n ${PACKAGER} ]] && _PACKAGER=${PACKAGER}
-[[ -n ${CARCH} ]] && _CARCH=${CARCH}
+# preserve environment variables to override makepkg.conf
+restore_envvars=$(declare -p PKGDEST SRCDEST SRCPKGDEST LOGDEST BUILDDIR PKGEXT SRCEXT GPGKEY PACKAGER CARCH 2>/dev/null || true)
# default config is makepkg.conf
MAKEPKG_CONF=${MAKEPKG_CONF:-$confdir/makepkg.conf}
@@ -1360,6 +1351,20 @@ if [[ "$MAKEPKG_CONF" = "$confdir/makepkg.conf" ]]; then
fi
fi
+eval "$restore_envvars"
+
+# override settings from extra variables on commandline, if any
+if (( ${#extra_environment[*]} )); then
+ export "${extra_environment[@]}"
+fi
+
+# canonicalize paths and provide defaults if anything is still undefined
+for var in PKGDEST SRCDEST SRCPKGDEST LOGDEST BUILDDIR; do
+ printf -v "$var" "$(canonicalize_path "${!var:-$startdir}")"
+done
+unset var
+PACKAGER=${PACKAGER:-"Unknown Packager"}
+
# set pacman command if not already defined
PACMAN=${PACMAN:-pacman}
# save full path to command as PATH may change when sourcing /etc/profile
@@ -1373,9 +1378,6 @@ else
fi
-# override settings with an environment variable for batch processing
-BUILDDIR=${_BUILDDIR:-$BUILDDIR}
-BUILDDIR=${BUILDDIR:-$startdir} #default to $startdir if undefined
if [[ ! -d $BUILDDIR ]]; then
if ! mkdir -p "$BUILDDIR"; then
error "$(gettext "You do not have write permission to create packages in %s.")" "$BUILDDIR"
@@ -1390,29 +1392,18 @@ if [[ ! -w $BUILDDIR ]]; then
exit $E_FS_PERMISSIONS
fi
-# override settings from extra variables on commandline, if any
-if (( ${#extra_environment[*]} )); then
- export "${extra_environment[@]}"
-fi
-
-PKGDEST=${_PKGDEST:-$PKGDEST}
-PKGDEST=${PKGDEST:-$startdir} #default to $startdir if undefined
if (( ! (NOBUILD || GENINTEG) )) && [[ ! -w $PKGDEST ]]; then
error "$(gettext "You do not have write permission to store packages in %s.")" "$PKGDEST"
plain "$(gettext "Aborting...")"
exit $E_FS_PERMISSIONS
fi
-SRCDEST=${_SRCDEST:-$SRCDEST}
-SRCDEST=${SRCDEST:-$startdir} #default to $startdir if undefined
if [[ ! -w $SRCDEST ]] ; then
error "$(gettext "You do not have write permission to store downloads in %s.")" "$SRCDEST"
plain "$(gettext "Aborting...")"
exit $E_FS_PERMISSIONS
fi
-SRCPKGDEST=${_SRCPKGDEST:-$SRCPKGDEST}
-SRCPKGDEST=${SRCPKGDEST:-$startdir} #default to $startdir if undefined
if (( SOURCEONLY )); then
if [[ ! -w $SRCPKGDEST ]]; then
error "$(gettext "You do not have write permission to store source tarballs in %s.")" "$SRCPKGDEST"
@@ -1425,21 +1416,12 @@ if (( SOURCEONLY )); then
IGNOREARCH=1
fi
-LOGDEST=${_LOGDEST:-$LOGDEST}
-LOGDEST=${LOGDEST:-$startdir} #default to $startdir if undefined
if (( LOGGING )) && [[ ! -w $LOGDEST ]]; then
error "$(gettext "You do not have write permission to store logs in %s.")" "$LOGDEST"
plain "$(gettext "Aborting...")"
exit $E_FS_PERMISSIONS
fi
-PKGEXT=${_PKGEXT:-$PKGEXT}
-SRCEXT=${_SRCEXT:-$SRCEXT}
-GPGKEY=${_GPGKEY:-$GPGKEY}
-PACKAGER=${_PACKAGER:-$PACKAGER}
-PACKAGER=${PACKAGER:-"Unknown Packager"} #default if undefined
-CARCH=${_CARCH:-$CARCH}
-
if (( ! INFAKEROOT )); then
if (( EUID == 0 )); then
error "$(gettext "Running %s as root is not allowed as it can cause permanent,\n\