From 9af35d5f75c83f48be10ebf4a85dbc4817a37faf Mon Sep 17 00:00:00 2001
From: mkocka <mkocka@redhat.com>
Date: Mar 31 2017 15:19:42 +0000
Subject: [PATCH 1/2] adding brt_dep_solver.sh


---

diff --git a/README.md b/README.md
index 8588bcc..d2245c0 100644
--- a/README.md
+++ b/README.md
@@ -30,4 +30,18 @@ Example usage:
 
 In order to run tests, run command:
 
-`py.test-2.7 tests/`
\ No newline at end of file
+`py.test-2.7 tests/`
+
+### Base Run Time dependency solver 
+ * `./brt_dep_solver.sh <package>` - produce files with dependencies
+
+For verbose output set variable VERBOSE to true:
+
+    # VERBOSE=true ./brt_dep_solver.sh <package>
+
+For debugging you might want to keep all files generated by dependecy solver
+(not just the ones with resuls).
+Set variable CLEAN to false to keep all these files.
+
+    # VERBOSE=false ./brt_dep_solver.sh <package>
+

From 80ceec8958fdafd066e46b2b1b98654e7ca7df77 Mon Sep 17 00:00:00 2001
From: mkocka <mkocka@redhat.com>
Date: Mar 31 2017 15:36:21 +0000
Subject: [PATCH 2/2] Adding brt_dep_solver.sh


---

diff --git a/brt_dep_solver.sh b/brt_dep_solver.sh
new file mode 100755
index 0000000..200149f
--- /dev/null
+++ b/brt_dep_solver.sh
@@ -0,0 +1,80 @@
+#!/bin/bash
+
+#set -e
+pkg=${1}
+
+CLEAN=${CLEAN:-true}
+VERBOSE=${VERBOSE:-false}
+
+function verbose_echo {
+    [ "$VERBOSE" != "true" ] && return
+
+    echo "$@"
+}
+
+# TODO: add other known dependency modules
+function get-baseruntime-caps {
+
+    provided_caps=brt-provides.txt
+    verbose_echo -n "Getting list of base-runtime rpms... "
+    wget --quiet -O api.txt  https://github.com/fedora-modularity/base-runtime/blob/master/api.txt?raw=true && verbose_echo "DONE"
+
+    verbose_echo -n "Modifying list of base-runtime rpms.."
+    # get package name of rpms on lines starting with '+', '*', or nothing
+    cat api.txt | sed '/^!/ d' | sed $'s/[+*]\t//g' | sed -e "s/-[^-]*-[^-]*$//" > brt-pkgs.txt && verbose_echo "DONE"
+
+    verbose_echo -n "Getting capabilities provided by base-runtime packages... "
+    dnf repoquery --repofrompath brt,https://fedorapeople.org/groups/modularity/repos/base-runtime/26/ --provides -q `paste -s -d ' ' brt-pkgs.txt` > ${provided_caps} && verbose_echo "DONE"
+
+}
+
+function resolve-deps {
+    if [[ ${1} == "runtime" ]]; then
+      runtime=true
+    elif [[ ${1} == "build" ]]; then
+      runtime=false
+    else
+      echo "resolve-deps: Invalid operation ${1}"
+      exit -1
+    fi
+
+    if [ "${runtime}" = "true" ]; then
+      DIR=${pkg}-runtime-res-files
+    else
+      DIR=${pkg}-build-res-files
+    fi
+
+    mkdir ${DIR}
+    cd ${DIR}
+
+    get-baseruntime-caps
+
+    verbose_echo -n "Getting ${1} capabilities required by ${pkg}... "
+    # TODO: use remote path for fedora repository
+    SRPM_FLAG=
+    [ "${runtime}" = "true" ] || SRPM_FLAG=--srpm
+      dnf --repofrompath fedora.repo,/etc/yum.repos.d/fedora.repo repoquery $SRPM_FLAG --requires -q ${pkg} > ${pkg}-caps.txt && verbose_echo "DONE"
+    while read cap; do
+      if [[ $cap != *" = "* ]]; then
+        grep -wq "^${cap}*" ${provided_caps} || echo ${cap} >> ${pkg}-filtered-caps.txt
+      else
+        grep -wq "${cap}" ${provided_caps} || echo ${cap} >> ${pkg}-filtered-caps.txt
+      fi
+    done < ${pkg}-caps.txt
+
+    while read cap; do
+      dnf repoquery --whatprovides ${cap} -q --latest-limit=1 >> cap2rpm.txt
+    done < ${pkg}-filtered-caps.txt
+
+    if [ "$runtime" = "true" ]; then
+      sort -u cap2rpm.txt | sed -e "s/-[^-]*-[^-]*$//" > ../${pkg}-runtime-deps.txt
+    else
+      sort -u cap2rpm.txt | sed -e "s/-[^-]*-[^-]*$//" > ../${pkg}-build-deps.txt
+    fi
+
+    cd ..
+    ${CLEAN} && rm ${DIR}/* && rmdir ${DIR}
+}
+
+resolve-deps "build"
+resolve-deps "runtime"