On Tue, Oct 03, 2006, Loïc Minier wrote:
> Please find another patch attached (incremental to the previous one)
> which workaround the limitation I explained in the report.
Here's a new version of this patch, which will also pull new packages
from experimental, and wont fail if the APT error lists more than one
broken Depends.
--
Loïc Minier <[EMAIL PROTECTED]>
diff -urN pbuilder-0.160/debian/changelog pbuilder-0.161/debian/changelog
--- pbuilder-0.160/debian/changelog 2006-10-03 15:20:25.000000000 +0200
+++ pbuilder-0.161/debian/changelog 2006-10-04 09:49:24.000000000 +0200
@@ -1,3 +1,15 @@
+pbuilder (0.161) unstable; urgency=low
+
+ * Non-maintainer upload.
+ * Recover from APT errors caused by unsufficient dependencies ("libfoo-dev
+ Depends: bar but baz is to be installed") and missing dependencies
+ ("libfoo-dev Depends: bar but it is not going to be installed"); this
+ permits simply listing build-deps when uploading to experimental; achieved
+ by moving the version matching logic in the new versioneddep_to_aptcmd()
+ helper.
+
+ -- Loic Minier <[EMAIL PROTECTED]> Wed, 4 Oct 2006 09:47:21 +0200
+
pbuilder (0.160) unstable; urgency=low
* Non-maintainer upload.
diff -urN pbuilder-0.160/pbuilder-satisfydepends
pbuilder-0.161/pbuilder-satisfydepends
--- pbuilder-0.160/pbuilder-satisfydepends 2006-10-03 15:19:43.000000000
+0200
+++ pbuilder-0.161/pbuilder-satisfydepends 2006-10-04 09:47:02.000000000
+0200
@@ -93,6 +93,43 @@
PROVIDED=$($CHROOTEXEC /usr/bin/apt-cache showpkg $PACKAGENAME | awk
'{p=0}/^Reverse Provides:/,/^$/{p=1}{if(p && ($0 !~ "Reverse
Provides:")){PACKAGE=$1}} END{print PACKAGE}')
}
+# returns either "package=version", to append to an apt-get install line, or
+# package
+function versioneddep_to_aptcmd () {
+ local INSTALLPKG="$1"
+
+ local PACKAGE
+ local PACKAGE_WITHVERSION
+ local PACKAGEVERSIONS
+ local CANDIDATE_VERSION
+ local COMPARESTRING
+ local DEPSVERSION
+
+ PACKAGE="$(echo "$INSTALLPKG" | sed -e 's/^[/]*//' -e 's/[[/(].*//')"
+ PACKAGE_WITHVERSION="$PACKAGE"
+
+ # if not versionned, we skip directly to outputting $PACKAGE
+ if echo "$INSTALLPKG" | grep '[(]' > /dev/null; then
+ # package versions returned by APT, in reversed order
+ PACKAGEVERSIONS="$( package_versions "$PACKAGE" | tac | xargs )"
+ CANDIDATE_VERSION="$( candidate_version "$PACKAGE" )"
+
+ # try the candidate version, then all available versions (asc)
+ for VERSION in $CANDIDATE_VERSION $PACKAGEVERSIONS; do
+ COMPARESTRING=$(echo "$INSTALLPKG" | tr "/" " " | sed 's/^.*([
]*\(<<\|<=\|>=\|=\|<\|>>\|>\)[ ]*\(.*\)).*$/\1/')
+ DEPSVERSION="$(echo "$INSTALLPKG" | tr "/" " " | sed 's/^.*([
]*\(<<\|<=\|>=\|=\|<\|>>\|>\)[ ]*\(.*\)).*$/\2/')"
+ if dpkg --compare-versions "$VERSION" "$COMPARESTRING"
"$DEPSVERSION"; then
+ if [ $VERSION != $CANDIDATE_VERSION ]; then
+ PACKAGE_WITHVERSION="$PACKAGE=$VERSION"
+ fi
+ break;
+ fi
+ done
+ fi
+
+ echo "$PACKAGE_WITHVERSION"
+}
+
function checkbuilddep_internal () {
# Use this function to fulfill the dependency (almost)
@@ -129,56 +166,61 @@
fi
fi
- # the default is to try to install without any version constraint
- CURRENTREALPKGNAME_WITHVERSION="$CURRENTREALPKGNAME"
+ CURRENT_APT_COMMAND="$(versioneddep_to_aptcmd "$INSTALLPKG")"
- if echo "$INSTALLPKG" | grep '[(]' > /dev/null; then
- # package versions returned by APT, in reversed order
- PACKAGEVERSIONS="$( package_versions "$CURRENTREALPKGNAME" | tac |
xargs )"
- CANDIDATE_VERSION="$( candidate_version "$CURRENTREALPKGNAME" )"
-
- # try the candidate version, then all available versions (asc)
- for VERSION in $CANDIDATE_VERSION $PACKAGEVERSIONS; do
- if [ $VERSION = $CANDIDATE_VERSION ]; then
- echo " -> Looking at APT's $CURRENTREALPKGNAME"
- else
- echo " -> Looking at APT's $CURRENTREALPKGNAME $VERSION"
- fi
- COMPARESTRING=$(echo "$INSTALLPKG" | tr "/" " " | sed 's/^.*([
]*\(<<\|<=\|>=\|=\|<\|>>\|>\)[ ]*\(.*\)).*$/\1/')
- DEPSVERSION="$(echo "$INSTALLPKG" | tr "/" " " | sed 's/^.*([
]*\(<<\|<=\|>=\|=\|<\|>>\|>\)[ ]*\(.*\)).*$/\2/')"
- if dpkg --compare-versions "$VERSION" "$COMPARESTRING"
"$DEPSVERSION"; then
- if [ $VERSION != $CANDIDATE_VERSION ]; then
-
CURRENTREALPKGNAME_WITHVERSION="$CURRENTREALPKGNAME_WITHVERSION=$VERSION"
- fi
- break;
- fi
- done
+ while [ "$SATISFIED" = "no" ]; do
+ echo " -> Trying to add ${CURRENT_APT_COMMAND}"
+ set +e
+ APT_OUTPUT="$( exec 2>&1; LC_ALL=C $CHROOTEXEC /usr/bin/apt-get -s
install ${INSTALLPKGLIST} ${CURRENT_APT_COMMAND} )"
+ error="$?"
+ set -e
+ # success, we're done
+ if [ "$error" -eq 0 ]; then
+ SATISFIED="yes"
+ INSTALLPKGLIST="${INSTALLPKGLIST} ${CURRENT_APT_COMMAND}"
+ break
+ fi
+ # try to parse APT's output to recognize lines such as:
+ # libfoo-dev: Depends: bar (>= xyz) but www is to be installed
+ DEP_INSTALLPKG="$(echo "$APT_OUTPUT" | \
+ sed -n \
+ -e "s/^ *.*: *Depends: *\(.*\) but.*is to be
installed\$/\\1/p" \
+ -e "s/^ *.*: *Depends: *\(.*\) but it is not going to be
installed\$/\\1/p" | \
+ head -1 | \
+ tr " " "/")"
+ APT_ADD_COMMAND="$(versioneddep_to_aptcmd "$DEP_INSTALLPKG")"
+ if echo "$CURRENT_APT_COMMAND" | grep -q "$APT_ADD_COMMAND"; then
+ # loop detected, give up with real packages
+ echo " -> Loop detected, last APT error was: ======"
+ echo "$APT_OUTPUT"
+ echo " -> ========================================="
+ echo " -> (not adding $APT_ADD_COMMAND to
$CURRENT_APT_COMMAND)"
+ break
+ fi
+ CURRENT_APT_COMMAND="$CURRENT_APT_COMMAND $APT_ADD_COMMAND"
+ done
+ if [ "$SATISFIED" = "yes" ]; then
+ break;
fi
- echo " -> Trying ${CURRENTREALPKGNAME_WITHVERSION}"
- if $CHROOTEXEC /usr/bin/apt-get -s install ${INSTALLPKGLIST}
${CURRENTREALPKGNAME_WITHVERSION} >& /dev/null; then
- SATISFIED="yes"
- INSTALLPKGLIST="${INSTALLPKGLIST} ${CURRENTREALPKGNAME_WITHVERSION}"
- else
- echo " -> Cannot install ${CURRENTREALPKGNAME_WITHVERSION};
apt errors follow:"
- if $CHROOTEXEC /usr/bin/apt-get -s install ${INSTALLPKGLIST}
"${CURRENTREALPKGNAME_WITHVERSION}"; then
- :
- fi
- # package could not be found. -- looking for alternative.
- PROVIDED=""
- checkbuilddep_provides "${CURRENTREALPKGNAME}"
- if [ -n "$PROVIDED" ]; then
- # something provides this package
- echo " -> Considering $PROVIDED to satisfy the dependency "
- if $CHROOTEXEC /usr/bin/apt-get -s install ${INSTALLPKGLIST}
${PROVIDED} >& /dev/null; then
- SATISFIED="yes";
- INSTALLPKGLIST="${INSTALLPKGLIST} ${PROVIDED}"
- else
- # show the error for diagnostic purposes
- echo " -> Cannot install $PROVIDED; apt errors
follow:"
- if $CHROOTEXEC /usr/bin/apt-get -s install
${INSTALLPKGLIST} ${PROVIDED}; then
- :
- fi
+ echo " -> Cannot install ${CURRENT_APT_COMMAND}; apt errors
follow:"
+ if $CHROOTEXEC /usr/bin/apt-get -s install ${INSTALLPKGLIST}
"${CURRENT_APT_COMMAND}"; then
+ :
+ fi
+ # package could not be found. -- looking for alternative.
+ PROVIDED=""
+ checkbuilddep_provides "${CURRENTREALPKGNAME}"
+ if [ -n "$PROVIDED" ]; then
+ # something provides this package
+ echo " -> Considering $PROVIDED to satisfy the dependency "
+ if $CHROOTEXEC /usr/bin/apt-get -s install ${INSTALLPKGLIST}
${PROVIDED} >& /dev/null; then
+ SATISFIED="yes";
+ INSTALLPKGLIST="${INSTALLPKGLIST} ${PROVIDED}"
+ else
+ # show the error for diagnostic purposes
+ echo " -> Cannot install $PROVIDED; apt errors follow:"
+ if $CHROOTEXEC /usr/bin/apt-get -s install ${INSTALLPKGLIST}
${PROVIDED}; then
+ :
fi
fi
fi
