From 2cd1fd1f6da5243226779acb17be9132d53ec4a9 Mon Sep 17 00:00:00 2001 From: Joshua Williams Date: Wed, 24 Sep 2008 14:11:53 -0500 Subject: [PATCH] git-gui: Add support for calling out to the prepare-commit-msg hook Signed-off-by: Joshua Williams Signed-off-by: Shawn O. Pearce --- git-gui.sh | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) diff --git a/git-gui.sh b/git-gui.sh index 1939001b5..cb0fcac99 100755 --- a/git-gui.sh +++ b/git-gui.sh @@ -1170,6 +1170,7 @@ proc rescan {after {honor_trustmtime 1}} { || [string trim [$ui_comm get 0.0 end]] eq {})} { if {[string match amend* $commit_type]} { } elseif {[load_message GITGUI_MSG]} { + } elseif {[run_prepare_commit_msg_hook]} { } elseif {[load_message MERGE_MSG]} { } elseif {[load_message SQUASH_MSG]} { } @@ -1269,6 +1270,70 @@ proc load_message {file} { return 0 } +proc run_prepare_commit_msg_hook {} { + global pch_error + + # prepare-commit-msg requires PREPARE_COMMIT_MSG exist. From git-gui + # it will be .git/MERGE_MSG (merge), .git/SQUASH_MSG (squash), or an + # empty file but existant file. + + set fd_pcm [open [gitdir PREPARE_COMMIT_MSG] a] + + if {[file isfile [gitdir MERGE_MSG]]} { + set pcm_source "merge" + set fd_mm [open [gitdir MERGE_MSG] r] + puts -nonewline $fd_pcm [read $fd_mm] + close $fd_mm + } elseif {[file isfile [gitdir SQUASH_MSG]]} { + set pcm_source "squash" + set fd_sm [open [gitdir SQUASH_MSG] r] + puts -nonewline $fd_pcm [read $fd_sm] + close $fd_sm + } else { + set pcm_source "" + } + + close $fd_pcm + + set fd_ph [githook_read prepare-commit-msg \ + [gitdir PREPARE_COMMIT_MSG] $pcm_source] + if {$fd_ph eq {}} { + catch {file delete [gitdir PREPARE_COMMIT_MSG]} + return 0; + } + + ui_status [mc "Calling prepare-commit-msg hook..."] + set pch_error {} + + fconfigure $fd_ph -blocking 0 -translation binary -eofchar {} + fileevent $fd_ph readable \ + [list prepare_commit_msg_hook_wait $fd_ph] + + return 1; +} + +proc prepare_commit_msg_hook_wait {fd_ph} { + global pch_error + + append pch_error [read $fd_ph] + fconfigure $fd_ph -blocking 1 + if {[eof $fd_ph]} { + if {[catch {close $fd_ph}]} { + ui_status [mc "Commit declined by prepare-commit-msg hook."] + hook_failed_popup prepare-commit-msg $pch_error + catch {file delete [gitdir PREPARE_COMMIT_MSG]} + exit 1 + } else { + load_message PREPARE_COMMIT_MSG + } + set pch_error {} + catch {file delete [gitdir PREPARE_COMMIT_MSG]} + return + } + fconfigure $fd_ph -blocking 0 + catch {file delete [gitdir PREPARE_COMMIT_MSG]} +} + proc read_diff_index {fd after} { global buf_rdi -- 2.26.2