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authortv <tv@nomic.retiolum>2014-03-14 04:54:15 +0100
committertv <tv@nomic.retiolum>2014-03-14 04:54:15 +0100
commitf92547a54d899216a4cd849ee515726824467765 (patch)
treea9c345ff9115df6d12a63bb812caa0461968af2d /.graveyard/git
parentcb00aa8f64253085965bfc63aa8b1b2bb947449d (diff)
RIP git-clone-into
Diffstat (limited to '.graveyard/git')
-rwxr-xr-x.graveyard/git/git-clone-into48
1 files changed, 48 insertions, 0 deletions
diff --git a/.graveyard/git/git-clone-into b/.graveyard/git/git-clone-into
new file mode 100755
index 00000000..67e820e6
--- /dev/null
+++ b/.graveyard/git/git-clone-into
@@ -0,0 +1,48 @@
+#! /bin/sh
+#
+# usage: git-clone-into repository directory
+#
+set -euf
+
+tempdir() {
+ set -- `tempnam $1`
+ mkdir $1
+ echo $1
+}
+
+## [prefix] -> tempnam
+tempnam() {
+ until set -- $1 ${1-}`candnam` && ! test -e $2; do :; done
+ echo $2
+}
+
+candnam() {
+ uuidgen 2>/dev/null || date +%s%N
+}
+
+
+
+ tmp_remote=`candnam`
+ tmp_branch=`candnam`
+
+ subdir=$2
+ if test -e $subdir; then
+ echo 'You are made of stupid!' >&2
+ exit 23
+ fi
+ tmpdir=`tempdir /tmp/tempdir-`
+ #trap "test -d $tmpdir && rm -vfR $tmpdir" EXIT
+ trap "test -d $tmpdir && rm -fR $tmpdir" EXIT
+ repository="${1-$repository}"
+ git clone "$repository" $tmpdir
+ (cd $tmpdir
+ subdir="$subdir" git filter-branch --tree-filter '
+ if ! test -d $subdir; then
+ mkdir -p $subdir
+ git ls-tree -z --name-only $GIT_COMMIT | xargs -I. --null mv . $subdir
+ fi
+ '
+ git checkout -b $tmp_branch)
+ git remote add $tmp_remote $tmpdir
+ git fetch $tmp_remote
+ git merge $tmp_remote/$tmp_branch # TODO configurable branch