added reposync script

1 files changed, 98 insertions, 0 deletions

diff --git a/reposync b/reposync
new file mode 100755
index 0000000..60be131
--- /dev/null
+++ b/reposync
@@ -0,0 +1,98 @@
+#!/bin/sh -e
+#
+# script to sync repos
+# required /etc/reposync.conf
+#
+# /etc/reposync.conf format:
+#  <git url>|<branch>|<local path to sync>
+#
+
+log() {
+    msg="$1"
+    if [ "$LOG" ]; then
+		echo "$(date +'%Y-%m-%d %H:%M:%S') $msg" | tee -a "$LOGFILE"
+	else
+		echo "$msg"
+	fi
+}
+
+run_cmd() {
+    if [ "$DRY_RUN" ]; then
+        log " [dry-run] $*"
+    else
+        log " $*"
+        eval "$@"
+    fi
+}
+
+syncrepo() {
+    url=$1
+    branch=$2
+    path=$3
+    
+    # if url is empty, do nothing
+    if [ ! "$url" ]; then
+		exit 0
+	fi
+    
+    # if $path empty, your format is wrong
+    if [ ! "$path" ]; then
+		echo "/etc/reposync.conf format: <git url>|<branch>|<local path to sync>"
+		exit
+	fi
+
+    if [ "$FORCE" ]; then
+        if [ -d "$path" ]; then
+            log "=> Force removing repo directory $path..."
+            run_cmd "rm -rf \"$path\""
+        fi
+    fi
+
+    if [ ! -d "$path/.git" ]; then
+        log "=> Sync repo $path..."
+        run_cmd "mkdir -p \"$path\""
+        run_cmd "git clone --branch \"$branch\" --single-branch \"$url\" \"$path\""
+    else
+        log "=> Updating repo $path..."
+        run_cmd "cd \"$path\" && git fetch origin \"$branch\""
+        run_cmd "cd \"$path\" && git reset --hard \"origin/$branch\""
+        run_cmd "cd \"$path\" && git clean -fdx"
+    fi
+}
+
+usage() {
+    echo "Usage: $0 [-n|-l|-f]"
+    echo " -n  dry-run"
+    echo " -l  logging (/var/log/reposync.log)"
+    echo " -f  force sync"
+    exit 1
+}
+
+while [ "$1" ]; do
+    case "$1" in
+        -n) DRY_RUN=1;;
+        -l) LOG=1;;
+        -f) FORCE=1;;
+        -h) usage;;
+    esac
+    shift
+done
+
+command -v git >/dev/null 2>&1 || {
+    echo "error: git is not installed." >&2
+    exit 1
+}
+
+LOGFILE="/var/log/reposync.log"
+CONFFILE="/etc/reposync.conf"
+
+if [ ! -f "$CONFFILE" ]; then
+	echo "error: config file not found: $CONFFILE" >&2
+	exit 1
+fi
+
+grep -Ev '^#|^$' "$CONFFILE" | while IFS='|' read -r url branch path _; do
+    syncrepo "$url" "$branch" "$path"
+done
+
+exit 0