From 8f404fb26fdf9f74f2b39bc4f98b3d29338d4839 Mon Sep 17 00:00:00 2001
From: Hari Sekhon <harisekhon@gmail.com>
Date: Fri, 18 Oct 2019 14:45:59 +0100
Subject: [PATCH] added git_update_repos_submodules.sh

---
 git_update_repos_submodules.sh | 71 ++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100755 git_update_repos_submodules.sh

diff --git a/git_update_repos_submodules.sh b/git_update_repos_submodules.sh
new file mode 100755
index 00000000..dee9850f
--- /dev/null
+++ b/git_update_repos_submodules.sh
@@ -0,0 +1,71 @@
+#!/usr/bin/env bash
+#  vim:ts=4:sts=4:sw=4:et
+#
+#  Author: Hari Sekhon
+#  Date: 2016-01-17 12:14:06 +0000 (Sun, 17 Jan 2016)
+#
+#  https://github.com/harisekhon/bash-tools
+#
+#  License: see accompanying Hari Sekhon LICENSE file
+#
+#  If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help improve or steer this or other code I publish
+#
+#  https://www.linkedin.com/in/harisekhon
+#
+
+set -euo pipefail
+[ -n "${DEBUG:-}" ] && set -x
+srcdir="$(cd "$(dirname "$0")" && pwd)"
+
+git_url="${GIT_URL:-https://github.com}"
+
+git_base_dir=~/github
+
+mkdir -pv "$git_base_dir"
+
+cd "$git_base_dir"
+
+repofile="$srcdir/setup/repolist.txt"
+
+if [ $# -gt 0 ]; then
+    repolist="$*"
+else
+    repolist="${*:-${REPOS:-}}"
+    if [ -n "$repolist" ]; then
+        :
+    elif [ -f "$repofile" ]; then
+        echo "processing repos from file: $repofile"
+        repolist="$(sed 's/#.*//; /^[[:space:]]*$/d' < "$repofile")"
+    else
+        echo "fetching repos from GitHub repo list"
+        repolist="$(curl -sL https://raw.githubusercontent.com/HariSekhon/bash-tools/master/setup/repolist.txt | sed 's/#.*//')"
+    fi
+fi
+
+run(){
+    local repolist="$*"
+    echo "Updating Git submodules"
+    echo
+    for repo in $repolist; do
+        repo_dir="${repo##*/}"
+        repo_dir="${repo_dir##*:}"
+        repo="${repo%%:*}"
+        if ! echo "$repo" | grep -q "/"; then
+            repo="HariSekhon/$repo"
+        fi
+        if ! [ -d "$repo_dir" ]; then
+            git clone "$git_url/$repo" "$repo_dir"
+        fi
+        pushd "$repo_dir"
+        # make update does git pull but if that mechanism is broken then this first git pull will allow the repo to self-fix itself
+        git pull
+        git submodule update --init --remote
+        for submodule in $(git submodule | awk '{print $2}'); do
+            echo "committing latest hashref for submodule $submodule"
+            git ci -m "updated submodule $submodule" || :
+        done
+        popd
+    done
+}
+
+run "$repolist"