Some workflows require coordinated development between repositories on
machines that can never be connected. This utility creates a bundle
containing a pack of objects and associated references (heads or tags)
that can be independently transferred to another machine, effectively
supporting git-push like operations between disconnected systems.
Signed-off-by: Mark Levedahl <mdl123@xxxxxxxxxxx>
---
git-bundle | 85 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 85 insertions(+), 0 deletions(-)
create mode 100755 git-bundle
diff --git a/git-bundle b/git-bundle
new file mode 100755
index 0000000..1341885
--- /dev/null
+++ b/git-bundle
@@ -0,0 +1,85 @@
+#!/bin/sh
+# Create a bundle to carry from one git repo to another (e.g., "sneaker-net" based push)
+# git-bundle <git-rev-list args>
+# git-bundle --bare <git-rev-list args>
+# creates bundle.zip in current directory (can rename of course)
+#
+# The bundle includes all refs given (--all selects every ref in the repo).
+# and all of the commit objects needed subject to the list given.
+#
+# Objects to be packed are limited by specifying one or more of
+# ^commit-ish - indicated commits already at the target (can have more than one ^commit-ish)
+# --since=xxx - Assume target repo has all relevant commits earlier than xxx
+
+USAGE='git-bundle <options> <git-rev-list arguments>
+
+Creates a bundle of objects to be carried to a disconnected repository, bringing the target
+repository''s definition of one or more references up to date as selected by the
+<git-rev-list arguments>
+
+Options:
+ -h, --help Print this help screen
+ --bare Work in a bare repository
+ --output=f Output to file f (default is bundle.zip)
+
+ examples
+ git-bundle master~10..master
+ git-bundle master next pu ^master~30 --output=mybundle.zip --bare'
+
+die() {
+ echo >&2 "$@"
+ exit 1
+}
+
+# pull out rev-list args vs program args, parse the latter
+gitrevargs=$(git-rev-parse --symbolic --revs-only $*) || exit 1
+myargs=$(git-rev-parse --no-revs $*) || exit 1
+
+bfile=bundle.zip
+for arg in $myargs ; do
+ case "$arg" in
+ --bare)
+ export GIT_DIR=.;;
+ -h|--h|--he|--hel|--help)
+ echo "$USAGE"
+ exit;;
+ --output=*)
+ bfile=${arg##--output=};;
+ -*)
+ die "unknown option: $arg";;
+ *)
+ esac
+done
+
+GIT_DIR=$(git-rev-parse --git-dir) || die "Not in a git directory"
+
+# find the refs to carry along and get sha1s for each.
+refs=
+for arg in $gitrevargs ; do
+ #ignore options and basis refs
+ case "$arg" in
+ ^*) ;;
+ -*) ;;
+ *)
+ n=$(git-show-ref "$arg" | wc -l)
+ [ $n -eq 1 ] || die "ambiguous reference: $arg"
+ refs="$refs $arg"
+ ;;
+ esac
+done
+[ -z "$refs" ] && die "No references specified, I don't know what to bundle."
+
+# put the refs into the bundle file
+[ -e "$bfile" ] && rm -f "$bfile" 2>/dev/null
+git-show-ref $refs > .gitBundleReferences
+zip -m "$bfile" .gitBundleReferences
+
+# add the pack file
+(git-rev-list --objects $gitrevargs | \
+ cut -b -40 | \
+ git pack-objects --all-progress --progress --stdout >.gitBundlePack) \
+ || (rm -f "$bfile" ; exit)
+zip -m "$bfile" .gitBundlePack
+
+# done
+echo "Created $bfile"
--
1.5.0.rc3.24.g0c5e
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