Signed-off-by: Florian Pritz <[email protected]>

 create mode 100755 find-libdeps.sh

diff --git a/Makefile b/Makefile
index 27cefba..20a4523 100644
--- a/Makefile
+++ b/Makefile
@@ -9,7 +9,8 @@ BINPROGS = \
        archbuild \
        lddd \
        finddeps \
-       rebuildpkgs
+       rebuildpkgs \
+       find-libdeps.sh
 
 SBINPROGS = \
        mkarchroot \
@@ -57,6 +58,7 @@ install:
        for l in ${COMMITPKG_LINKS}; do ln -sf commitpkg 
$(DESTDIR)/usr/bin/$$l; done
        for l in ${ARCHBUILD_LINKS}; do ln -sf archbuild 
$(DESTDIR)/usr/bin/$$l; done
        ln -sf archco $(DESTDIR)/usr/bin/communityco
+       ln -sf find-libdeps.sh $(DESTDIR)/usr/bin/find-libprovides.sh
        install -Dm0644 bash_completion 
$(DESTDIR)/etc/bash_completion.d/devtools
 
 uninstall:
diff --git a/find-libdeps.sh b/find-libdeps.sh
new file mode 100755
index 0000000..a7a3c7c
--- /dev/null
+++ b/find-libdeps.sh
@@ -0,0 +1,101 @@
+#!/bin/bash
+
+set -e
+
+IGNORE_INTERNAL=0
+
+if [[ $1 = "--ignore-internal" ]]; then
+       IGNORE_INTERNAL=1
+       shift
+fi
+
+script_mode=${0##*/find-lib}
+script_mode=${script_mode%%.sh}
+
+case $script_mode in
+       deps|provides) true;;
+       *) echo "error: unknown mode $script_mode"; exit 1;;
+esac
+
+if [[ -z $1 ]]; then
+       echo "${0##*/} [options] <package file|extracted package dir>"
+       echo "Options:"
+       echo "          --ignore-internal               ignore internal 
libraries"
+       exit 1
+fi
+
+cleanup() {
+       if [[ $tmpdir ]]; then
+               rm -rf $tmpdir;
+       fi
+}
+
+if [[ -d $1 ]]; then
+       cd $1
+else
+       tmpdir=$(mktemp -d /tmp/find-sodeps.XXXXXXX)
+       trap "cleanup" EXIT INT TERM
+
+       case ${script_mode} in
+               deps) bsdtar -C $tmpdir -xf "$1";;
+               provides)bsdtar -C $tmpdir -xf "$1" --include="*.so*";;
+       esac
+
+       cd $tmpdir
+fi
+
+in_array() {
+       local needle=$1; shift
+       [[ -z $1 ]] && return 1 # Not Found
+       local item
+       for item in "$@"; do
+       [[ $item = $needle ]] && return 0 # Found
+       done
+       return 1 # Not Found
+}
+
+process_sofile() {
+       # extract the library name: libfoo.so
+       soname="${sofile%%\.so\.*}.so"
+       # extract the major version: 1
+       soversion="${sofile##*\.so\.}"
+       if [[ "$soversion" = "$sofile" ]] && (($IGNORE_INTERNAL)); then
+               continue
+       fi
+       if ! in_array "${soname}=${soversion}-${soarch}" ${soobjects[@]}; then
+               # libfoo.so=1-64
+               echo "${soname}=${soversion}-${soarch}"
+               soobjects=(${soobjects[@]} "${soname}=${soversion}-${soarch}")
+       fi
+}
+
+case $script_mode in 
+       deps) find_args="-perm -u+x";;
+       provides) find_args="-name *.so*";;
+esac
+
+find . -type f $find_args | while read filename; do
+       if [[ $script_mode = "provides" ]]; then
+               # ignore if we don't have a shared object
+               if ! LC_ALL=C readelf -h "$filename" 2>/dev/null | grep -q 
'.*Type:.*DYN (Shared object file).*'; then
+                       continue
+               fi
+       fi
+
+       # get architecture of the file; if soarch is empty it's not an ELF 
binary
+       soarch=$(LC_ALL=C readelf -h "$filename" 2>/dev/null | sed -n 
's/.*Class.*ELF\(32\|64\)/\1/p')
+       [ -n "$soarch" ] || continue
+
+       if [[ $script_mode = "provides" ]]; then
+               # get the string binaries link to: libfoo.so.1.2 -> libfoo.so.1
+               sofile=$(LC_ALL=C readelf -d "$filename" 2>/dev/null | sed -n 
's/.*Library soname: \[\(.*\)\].*/\1/p')
+               [ -z "$sofile" ] && sofile="${filename##*/}"
+               process_sofile
+       elif [[ $script_mode = "deps" ]]; then
+               # process all libraries needed by the binary
+               for sofile in $(LC_ALL=C readelf -d "$filename" 2>/dev/null | 
sed -nr 's/.*Shared library: \[(.*)\].*/\1/p'); do
+                       process_sofile
+               done
+       fi
+done
+
-- 
1.7.6

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