When my boss has something to show me and I have to update, for some
reason I am always in the middle of doing something else, and git pull
command refuses to work in such a case.
I wrote this little script to save the changes I made, perform the
update, and then come back to where I was, but on top of the updated
commit.
This is how you would use the script:
$ git stash
$ git pull
$ git stash apply
Signed-off-by: Nanako Shiraishi <nanako3@xxxxxxxxxxxxxx>
---
Here is an updated script.
Unfortunately I haven't managed to get the suggestion to use
"export GITHEAD_xxxx=NicerName" from Johannes Schindelin working
yet.
git-stash.sh | 153 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 153 insertions(+), 0 deletions(-)
create mode 100755 git-stash.sh
diff --git a/git-stash.sh b/git-stash.sh
new file mode 100755
index 0000000..8bf83c1
--- /dev/null
+++ b/git-stash.sh
@@ -0,0 +1,153 @@
+#!/bin/sh
+# Copyright (c) 2007, Nanako Shiraishi
+
+USAGE='[ | list | show | apply | clear]'
+
+. git-sh-setup
+require_work_tree
+
+TMP="$GIT_DIR/.git-stash.$$"
+trap 'rm -f "$TMP-*"' 0
+
+ref_stash=refs/stash
+
+no_changes () {
+ git-diff-index --quiet --cached HEAD &&
+ git-diff-files --quiet
+}
+
+clear_stash () {
+ logfile="$GIT_DIR/logs/$ref_stash" &&
+ mkdir -p "$(dirname "$logfile")" &&
+ : >"$logfile"
+}
+
+save_stash () {
+ if no_changes
+ then
+ echo >&2 'No local changes to save'
+ exit 0
+ fi
+ test -f "$GIT_DIR/logs/refs/stash" ||
+ clear_stash || die "Cannot initialize stash"
+
+ # state of the base commit
+ if b_commit=$(git-rev-parse --verify HEAD)
+ then
+ head=$(git-log --abbrev-commit --pretty=oneline -n 1 HEAD)
+ else
+ die "You do not have the initial commit yet"
+ fi
+
+ if branch=$(git-symbolic-ref -q HEAD)
+ then
+ branch=${branch#refs/heads/}
+ else
+ branch='(no branch)'
+ fi
+ msg=$(printf '%s: %s' "$branch" "$head")
+
+ # state of the index
+ i_tree=$(git-write-tree) &&
+ i_commit=$(printf 'index on %s' "$msg" |
+ git-commit-tree $i_tree -p $b_commit) ||
+ die "Cannot save the current index state"
+
+ # state of the working tree
+ w_tree=$( (
+ GIT_INDEX_FILE="$TMP-index" &&
+ export GIT_INDEX_FILE &&
+
+ rm -f "$TMP-index" &&
+ git-read-tree $i_tree &&
+ git-add -u &&
+ git-write-tree &&
+ rm -f "$TMP-index"
+ ) ) ||
+ die "Cannot save the current worktree state"
+
+ # create the stash
+ w_commit=$(printf 'WIP on %s' "$msg" |
+ git-commit-tree $w_tree -p $b_commit -p $i_commit) ||
+ die "Cannot record working tree state"
+
+ git-update-ref -m "$msg" $ref_stash $w_commit ||
+ die "Cannot save the current status"
+ printf >&2 'Saved WIP on %s\n' "$msg"
+}
+
+list_stash () {
+ git-log --pretty=oneline -g "$@" $ref_stash |
+ sed -n -e 's/^[.0-9a-f]* refs\///p'
+}
+
+show_stash () {
+ flags=$(git-rev-parse --no-revs --flags "$@")
+ if test -z "$flags"
+ then
+ flags=--stat
+ fi
+ s=$(git-rev-parse --revs-only --no-flags --default $ref_stash "$@")
+
+ w_commit=$(git-rev-parse --verify "$s") &&
+ b_commit=$(git-rev-parse --verify "$s^") &&
+ git-diff $flags $b_commit $w_commit
+}
+
+apply_stash () {
+ git-diff-files --quiet ||
+ die 'Cannot restore on top of a dirty state'
+
+ # current index state
+ c_tree=$(git-write-tree) ||
+ die 'Cannot apply a stash in the middle of a merge'
+
+ s=$(git-rev-parse --revs-only --no-flags --default $ref_stash "$@") &&
+ w_tree=$(git-rev-parse --verify "$s:") &&
+ b_tree=$(git-rev-parse --verify "$s^:") ||
+ die "$*: no valid stashed state found"
+
+ if git-merge-recursive $b_tree -- $c_tree $w_tree
+ then
+ # No conflict
+ a="$TMP-added" &&
+ git-diff --cached --name-only --diff-filter=A $c_tree >"$a" &&
+ git-read-tree --reset $c_tree &&
+ git-update-index --add --stdin <"$a" ||
+ die "Cannot unstage modified files"
+ git-status
+ rm -f "$a"
+ else
+ # Merge conflict
+ exit 1
+ fi
+}
+
+# Main command set
+case "$1" in
+list)
+ shift
+ if test $# = 0
+ then
+ set x -n 10
+ shift
+ fi
+ list_stash "$@"
+ ;;
+show)
+ shift
+ show_stash "$@"
+ ;;
+apply)
+ shift
+ apply_stash "$@"
+ ;;
+clear)
+ clear_stash
+ ;;
+'')
+ save_stash && git-reset --hard
+ ;;
+*)
+ usage
+esac
--
1.5.2
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